FOOT WORN PHYSIOLOGICAL SENSOR AND SYSTEMS INCLUDING SAME

A system for measuring at least one physiological parameter includes a wearable device configured to be secured to a subject's foot and a camera configured to captures images of the subject. An electronic device may be in communication with the system and can display information relating to physiological data and/or images collected by the system.

INCORPORATION BY REFERENCE TO ANY PRIORITY APPLICATIONS

TECHNICAL FIELD

The present disclosure relates to wearable systems, devices, and methods for measuring and/or monitoring a subject's physiological information.

BACKGROUND

Pulse oximetry is a widely accepted noninvasive procedure for measuring the oxygen saturation level of arterial blood, an indicator of a person's oxygen supply. Pulse oximetry sensors generally include one or more light sources transmitting optical radiation into or reflecting off through a portion of the body. After attenuation by tissue and fluids of the portion of the body, one or more photodetection devices detect the attenuated light and output one or more detector signals responsive to the detected attenuated light. The pulse oximetry sensor can be utilized for determination of a variety of physiological parameters and/or characteristics, including but not limited to oxygen saturation (SpO2), pulse rate, a plethysmograph waveform, perfusion index (PI), pleth variability index (PVI), methemoglobin (MetHb), carboxyhemoglobin (CoHb), total hemoglobin (tHb), glucose, and/or otherwise, and the pulse oximetry sensor can be utilized for display on one or more monitors the foregoing parameters individually, in groups, in trends, as combinations, or as an overall wellness or other index. Devices incorporating pulse oximetry can be utilized in medical setting (such as hospitals and nursing homes) as well as in non-hospital settings (such as in a home).

SUMMARY

In some circumstances, particularly for infants with small hands and fingers, it can be advantageous to select a foot as a site for pulse oximetry. The present disclosure describes various implementations of systems which secure to a subject (for example, to a foot, an ankle, and/or a lower leg of the subject). Some implementations include one or more sensors for determining physiological data and/or motion data. Some implementations of the systems disclosed herein employ pulse oximetry at the foot of the subject. Various implementations disclosed herein provide increased user comfort, increased ergonomics, increased convenience, facilitate better sensor-skin contact and engagement in order to provide more accurate physiological parameter determination, and provide better stability in securement. Various implementations of the systems disclosed herein can be utilized in a medical setting (such as a hospital or other care facility) as well as in non-hospital settings (such as in a home).

Some implementations of the systems disclosed herein include a wearable device configured to be secured to a subject's foot and a sensor component. In some implementations, the sensor component is removably secureable to the wearable device. The sensor component can include one or more sensors for determining physiological data and/or motion data. In some implementations, the sensor component includes at least one emitter and at least one detector providing for pulse oximetry functionality. In some implementations, the sensor component includes: a sensor hub that is removably securable to a portion of the wearable device; and a sensor strap that is configured to be wrapped around a portion of the subject's foot and secured to a portion of the wearable device, thereby securing the sensor hub and wearable device to the subject's foot. The sensor hub and the sensor strap can include various electronic components, and can form a unitary structure with one another in some implementations. In some implementations, the sensor hub includes a power source and one or more processors. In some implementations, the wearable device does not include a power source. In some variants, the wearable device and the sensor component are integral with one another (for example, are not separable from one another).

Advantageously, some implementations of the systems disclosed herein can easily be adapted and/or customized to fit subjects with body parts (e.g., feet, ankles, and/or lower legs) of various sizes and/or shapes. For example, some implementations of the systems disclosed herein include a wearable device that is removable from electronic component(s) of the system (for example, the sensor component discussed above), which allows different sizes of the wearable device to be selected and utilized with the same electronic component(s) of the system. As another example, the systems disclosed herein can have one or more adjustable straps that can allow for a customized fit of the system to the subject's foot. Further, the systems described herein (or portions thereof such as the wearable device) can be made of a resilient material that can accommodate and/or adapt to a foot, ankle, and/or lower leg of various sizes and/or shapes. Additionally, the systems disclosed herein (or portions thereof such as the wearable device) can be provided in various sizes and/or shapes (e.g., small, medium, large) to further enable a customized fit for a subject.

Some implementations of the systems disclosed herein can advantageously provide for a system that is reusable and/or durable (e.g., lasting weeks and/or months). Some implementations of the systems disclosed herein incorporate at least one detector in a strap that, when wrapped around a portion of the subject's foot, operably position the at least one detector adjacent a top portion of the subject's foot. Some of such implementations include at least one emitter in a portion of the system that is operably positioned adjacent a bottom portion of the subject's foot and/or substantially aligned with the at least one detector. Some variants include alternative positioning of such at least one emitter and such at least one detector.

Disclosed herein is a system for measuring at least one physiological parameter of a subject, the system comprising: a wearable device configured to be secured to a foot of the subject; and a sensor component removably securable to the wearable device and comprising one or more sensors for measuring said at least one physiological parameter of the subject, said sensor component further comprising a sensor strap configured to be wrapped around a portion of the subject's foot and secured to a portion of the wearable device, thereby securing the wearable device and the sensor component to the subject's foot.

In some implementations: said sensor strap comprises a first portion of the sensor component that is configured to be wrapped around said portion of the subject's foot and secured to a first portion of the wearable device; and a second portion of the sensor component is configured to be removably secured to a second portion of the wearable device. In some implementations, the wearable device defines a first volume configured to receive the subject's foot and a second volume configured to removably receive said second portion of the sensor component. Said second portion of the sensor component can be any of the sensor hubs described and/or illustrated herein. In some implementations, the wearable device comprises: a base configured to contact at least a portion of a bottom of the subject's foot, said second volume of said wearable device formed by a cavity of said base; and a wall extending outward from the base and configured to surround a heel and at least a portion of one or more sides of the subject's foot. In some implementations: the wearable device further comprises a frame arranged within said cavity, said frame configured to removably secure said second portion of the sensor component; said base and said wall form a unitary structure made of a first material; and said frame is made of a second material that is more rigid than the first material. The wearable device can be formed by, for example, overmolding (e.g., via injection molding) the base and/or wall over the frame. In some implementations, said first portion of the wearable device is arranged on a portion of said wall. In some implementations, said first portion of the wearable device comprises an opening in said portion of said wall, and wherein said sensor strap is configured to be inserted through said opening. In some implementations, said first volume is defined by said base and said wall at a location above said cavity of said base. In some implementations, said wall extends around a portion of a perimeter edge of said base. In some implementations, said wall extends around less than an entirety of said perimeter edge of said base. In some implementations, said wall does not extend around an entirety of said cavity.

In some implementations, said sensor component comprises: a sensor hub comprising one or more processors, said sensor hub configured to be removably secured to said second portion of the wearable device, wherein said sensor strap is connected to and extends outward from the sensor hub; one or more emitters configured to emit optical radiation into tissue of the subject's foot, said one or more emitters located within the sensor hub; and one or more detectors configured to detect at least a portion of the emitted optical radiation after passing through the tissue and output at least one signal responsive to the detected optical radiation, said one or more detectors located within the sensor strap, wherein the one or more processors of the sensor hub are configured to receive the at least one signal outputted by the one or more detectors to determine said at least one physiological parameter of the subject.

In some implementations, the system is configured such that, when the sensor hub is secured to said second portion of the wearable device and the sensor strap is secured to said first portion of the wearable device: the one or more detectors are positioned adjacent a top or side portion of the subject's foot; and the one or more emitters are positioned adjacent a bottom portion of the subject's foot.

In some implementations, the sensor hub and the sensor strap form a unitary structure. In some implementations, the sensor strap comprises: a first section connected to and extending outward from the sensor hub, wherein the one or more detectors are positioned within the first section; and a second section that is releasably connectable to the first section, wherein the second section is configured to secure to said first portion of the wearable device. In some implementations: the first and second sections have different lengths; and/or the first and second sections comprise different materials. In some implementations, the first section is more stretchable than the second section. In some implementations, the sensor strap is configured to be stretched to allow adjustment of a position of the one or more detectors relative to the subject's foot. In some implementations, the sensor hub comprises: a housing, the housing comprising an opening configured to be positioned adjacent skin of the subject's foot when the sensor hub is secured to said second portion of the wearable device; a thermally conductive probe positioned at least partially within said opening; and a temperature sensor positioned within said housing. In some implementations, said thermally conductive probe is configured to transmit thermal energy from the skin at least partially toward said temperature sensor. In some implementations, said thermally conductive probe extends through said opening and is configured to contact the skin of the subject's foot.

In some implementations: said sensor strap is configured to be wrapped around the portion of the subject's foot and secured to a first portion of the wearable device; and the system further comprises an additional strap removably securable to a second portion of the wearable device and configured to be: (i) wrapped around another portion of the subject's foot or a portion of an ankle or a leg of the subject and (ii) secured to a third portion of the wearable device. The sensor strap can be secured to the first portion of the wearable device in a variety of ways, for example, by inserting a portion of the sensor strap through an opening in the first portion of the wearable device and then securing a portion of the sensor strap to itself. Similarly, the additional strap can be secured to the third portion of the wearable device by inserting a portion of the additional strap through an opening in the third portion of the wearable device and then securing a portion of the additional strap to itself. In some implementations: said sensor strap is configured to be wrapped around the portion of the subject's foot and secured to a first portion of the wearable device; and the system further comprises an additional strap having a first end that is connected to a second portion of the wearable device and a second end that is configured to be: (i) wrapped around another portion of the subject's foot or a portion of the subject's ankle or leg and (ii) secured to a third portion of the wearable device. The sensor strap can be secured to the first portion of the wearable device in a variety of ways, for example, by inserting a portion of the sensor strap through an opening in the first portion of the wearable device and then securing a portion of the sensor strap to itself. Similarly, the additional strap can be secured to the third portion of the wearable device by inserting a portion of the additional strap through an opening in the third portion of the wearable device and then securing a portion of the additional strap to itself.

Disclosed herein is a system for measuring at least one physiological parameter of a subject, the system comprising: a wearable device configured to be secured to a foot of the subject, said wearable device comprising a cavity; a sensor hub configured to be removably secured within the cavity of the wearable device, said sensor hub comprising one or more processors; a sensor strap connected to and extending outward from the sensor hub, said sensor strap configured to be wrapped around a portion of the subject's foot and secured to a portion of the wearable device; one or more emitters configured to emit optical radiation into tissue of the subject's foot, said one or more emitters arranged within one of the sensor hub and the sensor strap; and one or more detectors configured to detect at least a portion of the emitted optical radiation after passing through the tissue and output at least one signal responsive to the detected optical radiation, said one or more detectors arranged within the other one of the sensor hub and the sensor strap. In some implementations, the one or more processors of the sensor hub are configured to receive the at least one signal outputted by the one or more detectors to determine the at least one physiological parameter of the subject.

In some implementations, the wearable device is configured such that the cavity is positioned adjacent a bottom portion of the subject's foot when the wearable device is secured to the subject's foot. In some implementations, the system is configured such that: the one or more detectors are configured to be positioned adjacent a top portion of the subject's foot when the system is in use; and the one or more emitters are configured to be positioned adjacent a bottom portion of the subject's foot when the system is in use. In some implementations, when the sensor hub is secured within the cavity and the sensor strap is secured to the portion of the wearable device: the one or more detectors are arranged within the sensor strap to face toward the sensor hub; and the one or more emitters are arranged within the sensor hub to face toward the sensor strap. In some implementations, the sensor hub and the sensor strap form a unitary structure. In some implementations, the sensor strap comprises: a first section connected to and extending outward from the sensor hub, wherein the one or more detectors are positioned within the first section; and a second section that is releasably connectable to the first section, wherein the second section is configured to secure to the portion of the wearable device. In some implementations, the first and second sections have different lengths. In some implementations, the first section is more stretchable than the second section.

In some implementations, the wearable device comprises: a main body and a frame. The main body can comprise: a base configured to contact at least a portion of a bottom of the subject's foot, the base comprising said cavity; and a wall extending outward from the base and configured to surround a heel and at least a portion of one or more sides of the subject's foot. The frame can be positioned within said cavity, said frame configured to removably secure to the sensor hub. In some implementations, the main body is made of a first material and the frame is made of a second material that is more rigid than the first material. The wearable device can be formed by, for example, overmolding (e.g., via injection molding) the base and/or wall over the frame. In some implementations: said base comprises a base surface that is configured to contact said at least the portion of the bottom of the subject's foot; said cavity has a first depth below said base surface; and the wearable device further comprises a recess positioned along an exterior edge of the base and adjacent said cavity, said recess having a second depth below said base surface, said second depth being smaller than said first depth and substantially equal to a thickness of the sensor strap, said recess configured to receive a portion of the sensor strap when the sensor hub is secured within said cavity such that the sensor hub and said portion of the sensor strap form a substantially flush surface with said base surface.

In some implementations: said sensor strap is configured to be wrapped around the portion of the subject's foot and secured to the portion of the wearable device, said portion of the wearable device being a first portion of the wearable device; and the system further comprises an additional strap separate from said sensor strap and configured to be: (i) wrapped around another portion of the subject's foot or a portion of an ankle or a leg of the subject and (ii) secured to a second portion of the wearable device. The sensor strap can be secured to the first portion of the wearable device in a variety of ways, for example, by inserting a portion of the sensor strap through an opening in the first portion of the wearable device and then securing a portion of the sensor strap to itself. Similarly, the additional strap can be secured to the second portion of the wearable device by inserting a portion of the additional strap through an opening in the second portion of the wearable device and then securing a portion of the additional strap to itself. In some implementations, the sensor hub comprises: a housing, the housing comprising an opening configured to be positioned adjacent skin of the subject's foot when the sensor hub is secured within the cavity of the wearable device; a thermally conductive probe positioned at least partially within said opening; and a temperature sensor positioned within said housing. In some implementations, said thermally conductive probe is configured to transmit thermal energy from said skin at least partially toward said temperature sensor. In some implementations, said thermally conductive probe extends through said opening and is configured to contact said skin when the system is in use.

In some implementations: said one or more detectors are arranged within the sensor strap and said one or more emitters are arranged within the sensor hub; the wearable device further comprises a flexible circuit extending within a portion of the sensor hub and a portion of the sensor strap and electrically connecting the one or more detectors with the one or more processors or another circuit to which the one or more processors are connected; said portion of the sensor strap is configured to be stretched from a first state to a second state, said portion of the sensor strap having a greater length when in said second state than when in said first state; said one or more detectors are arranged at a first location within said portion of the sensor strap that is spaced a first distance from the sensor hub; and a length of a portion of the flexible circuit that is positioned within said portion of the sensor strap is greater than said first distance to allow the flexible circuit to accommodate said stretching of said portion of the sensor strap from the first state to the second state while maintaining connection between the one or more detectors with the one or more processors or said another circuit to which the one or more processors are connected. In some implementations: said one or more detectors are arranged within the sensor strap and said one or more emitters are arranged within the sensor hub; and said sensor strap is configured to be stretched to allow adjustment of a position of the one or more detectors relative to the subject's foot.

For purposes of summarizing the disclosure, certain aspects, advantages and novel features of several implementations have been described herein. It is to be understood that not necessarily all such advantages are achieved in accordance with any particular implementation of the technology disclosed herein. Thus, the implementations disclosed herein can be implemented or carried out in a manner that achieves or optimizes one advantage or group of advantages as taught herein without necessarily achieving other advantages that can be taught or suggested herein.

DETAILED DESCRIPTION

Various features and advantages of this disclosure will now be described with reference to the accompanying figures. The following description is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses. This disclosure extends beyond the specifically disclosed implementations and/or uses and obvious modifications and equivalents thereof. Thus, it is intended that the scope of this disclosure should not be limited by any particular implementations described below. The features of the illustrated implementations can be modified, combined, removed, and/or substituted as will be apparent to those of ordinary skill in the art upon consideration of the principles disclosed herein. Furthermore, implementations disclosed herein can include several novel features, no single one of which is solely responsible for its desirable attributes or which is essential to practicing the systems, devices, and/or methods disclosed herein.

Disclosed herein are systems that can be used to measure, monitor, transmit (for example, wirelessly or via wired connection), process, and/or determine one or more physiological parameters (which may also be referred to herein as “physiological data”), motion data, and/or location data of a subject (which may also be referred to herein as a “user”, “patient”, or “wearer”). The disclosed systems can generate one or more signals associated with and/or indicative of one or more physiological parameters, motion data, and/or location data of a subject and process such one or more signals to determine such physiological parameters, motion data, and/or location data.

Some implementations of the disclosed systems generate and transmit one or more signals associated with and/or indicative of one or more physiological parameters, motion data, and/or location data of a subject to a separate monitoring and/or computing device (wirelessly or via wired connection), for example, a patient monitor, which is capable of processing and/or determining such physiological parameters, motion data, and/or location data based on the transmitted signals. The systems disclosed herein can measure, monitor, transmit, process, and/or determine such physiological parameters, motion data, and/or location data continuously or intermittently. Any of the disclosed systems and/or devices in communication with the disclosed systems can include hardware and/or software capable of determining and/or monitoring a variety of physiological parameters, including but not limited to blood oxygenation levels in veins and/or arteries, heart rate, blood flow, respiratory rates, body temperature, and/or other physiological parameters or characteristics such as those discussed herein. Any of the systems described herein can include and/or employ pulse oximetry (for example, via an optical sensor) to measure physiological parameters of the subject and/or to generate, transmit, and/or process one or more signals associated with and/or indicative of such physiological parameters and/or to determine such physiological parameters. As discussed below, such optical sensor can include one or more emitters configured to emit optical radiation (e.g., light) of one or more wavelengths (e.g., wavelength(s) in the visible spectrum, near infrared wavelength(s), infrared wavelength(s), far infrared wavelength(s), etc.) and one or more detectors configured to detect at least a portion of the emitted optical radiation after attenuation and/or after passing through tissue of the subject.

FIGS.1A-1Billustrate perspective views of a system100(which can also be referred to herein as a “wearable system,” “wearable sensor system,” or “wearable physiological sensor system”) secured to a foot 2 of a subject 1. As shown, in securing to the subject's foot 2, the system100can also be secured to an ankle 3, a heel 4, and/or a lower leg 5 of the subject 1. Further as shown, when secured to the subject's foot 2, the system100can support the subject's foot 2, ankle 3, heel 4, and/or lower leg 5. The system100can include a wearable device, a sensor dock, and a sensor hub, all of which are discussed further below.

AlthoughFIGS.1A-1Bshow the system100secured to a foot 2 of the subject 1 in a particular manner which can provide certain advantages as described herein, such illustrated manner and/or location of securement is not intended to be limiting. System100can be secured to various portions of the subject's foot 2, ankle 3, heel 4, and/or lower leg 5 in a variety of manners and/or using a variety of methods. Accordingly, while system100is described herein primarily with reference to a foot 2, ankle 3, heel 4, and/or lower leg 5 of the subject 1, such description is not intended to be limiting. Further, while system100is shown secured to a left foot of the subject 1, the system100can be secured to either a left or a right foot of the subject 1.FIG.1Cillustrates the system100ofFIGS.1A-1Bsecured to the subject 1 and wirelessly communicating with one or more separate computing device(s), which can be for example, a patient monitor10a(which can also be referred to herein as an “external patient monitor”) and/or a mobile phone10bas shown, via any of a variety of wireless communication protocols (such as any of those discussed herein). The system100can wirelessly transmit subject physiological data, motion data, and/or location data to the separate computing device10(e.g.,10a,10b, or others) as described further herein.

FIG.1Dillustrates a cross-section of the system ofFIGS.1A-1Bsecured to the subject's foot 2. As shown, when secured to the subject's foot 2, the system100can operably position one or more emitters104aand one or more detectors104bat opposite sides of the subject's foot 2. Also shown, when secured to the subject's foot 2, the system100can operably position one or more temperature sensors104cadjacent a bottom of the subject's foot 2.

FIGS.2A-2Eillustrate various perspective views of the system100ofFIG.1A.

The system100can include a wearable device102. The wearable device102can be configured to receive and/or secure an electronic device including one or more sensors for monitoring information relating to physiological, motion, and/or location of the subject 1. For example, the wearable device can be configured to receive and/or secure a sensor component103(which may also be referred to herein as a “sensor assembly”) or a portion thereof, as described further herein. Such sensor component103can include a sensor dock104and a sensor hub106. In some implementations, the system100can include the wearable device102, the sensor dock104, and the sensor hub106. As shown inFIGS.2A-2C, the wearable device102, the sensor dock104, and the sensor hub106can form a unitary structure configured to be secured to the subject's foot.FIG.2Dillustrates the wearable device102and sensor dock104connected to one another and the sensor hub106disconnected from the wearable device102and sensor dock104.FIG.2Eillustrates an exploded view of system100, illustrating the wearable device102, sensor dock104, and sensor hub106separated from one another. Although the figures illustrate implementations of the system100in which the wearable device102, sensor dock104, and sensor hub106are removably connectable to one another, various ones of these components may be integrally formed with one another. For example, in some variants, the wearable device102and sensor dock104are integrally formed and are removably connectable to the sensor hub106. As another example, in some variants, the sensor dock104and sensor hub106are integrally formed and are removably connectable to the wearable device102. As another example, in some variants, the wearable device102, sensor dock104, and sensor hub106are integrally formed with one another. Implementations of the system100in which wearable device102is removably connectable from sensor dock104and/or sensor hub106can advantageously allow for a wearable device102of various sizes (e.g., small, medium, and large) and/or shapes to be utilized with the system100, for example, so as to accommodate various sizes and/or shapes of a subject's foot 2, ankle 3, heel 4, and/or lower leg 5. In this way, the system100can be customized to a subject 1 by selecting an appropriately configured wearable device102while allowing for all other aspects of the system100, such as the sensor dock104and sensor hub106, to remain the same and/or be universal across subjects. In some implementations the sensor dock104and the sensor hub106can advantageously be configured to removably connect from each other (e.g., so that the sensor hub106can be recharged separate of the sensor dock104). In some implementations, for example as shown inFIG.2E, the sensor dock104and the sensor hub106form the sensor component103that can be removably connected to the wearable device102.

As mentioned above,FIG.2Eillustrates an exploded view of system100. The wearable device102can have a base160and a wall162. The wall162can extend from the base160. For example, the wall162can extend from a periphery of the base160. In some implementations, the wall162can extend around a portion of a perimeter edge of the base160. The base160and the wall162can form a main body105of the wearable device102. In various places in the present disclosure, the “base” and “wall” may be referred to as being part of the “main body” for ease of reference. However, this is not intended to be limiting nor to require that the “wearable device” requires a “main body”. In some implementations, the wearable device102can have a main body105and a holder170extending outward from the main body105. The main body105can include the base160, an opening171in the base160, and the wall162extending from the base160. In some implementations, the main body105additionally includes a wearable device strap166(which can also be referred to herein as an “additional strap”) extending from the wall162. The base160(which may also be referred to herein as “bottom portion”) of the wearable device102can be configured to contact a bottom portion of the subject's foot 2 when the system100is in use. For example, the base160can be configured to contact a heel, an arch, a ball, and/or one or more toes of the subject's foot 2. The opening171in the base160can be configured to be positioned adjacent a bottom portion of the subject's foot 2 when the system100is in use. For example and as shown, the opening171can extend through the base160and be positioned such that it underlies the ball of the subject's foot 2 when the wearable device is secured to the subject's foot 2. The holder170extending outward from the main body105can, as shown, extend from the main body105adjacent the opening171of the base160and away from the bottom portion of the subject's foot 2 when the system100is in use. The holder170can include a cavity172configured to removably receive the sensor dock104and the sensor hub106, for example, when the sensor hub106is connected to the sensor dock104. Further, the opening171can open into the cavity172of the holder170as shown. The sensor dock104can have a main body120and a sensor strap130(also referred to herein as “strap”) connected to and extending from the main body120. The sensor strap130of the sensor dock104can operably position one or more emitters104aand one or more detectors104bof the system100and can be configured to be positioned at least partially within and extend outward from the opening171when the sensor dock104is connected to the holder170. The above and other aspects of the system100are discussed further below.

FIG.3illustrates a schematic diagram of certain features which can be incorporated in the system100as well as any other implementations of systems described herein.FIG.3schematically illustrates sensor dock104and sensor hub106. As shown, the sensor dock104can include one or more emitters104a, one or more detectors104b, and one or more temperature sensors104c. Also shown, the sensor hub106can include one or more processors106a, one or more storage devices106b, a communication module106c, a battery106d, an information element106e, one or more other sensors106f, one or more status indicators106g, and/or a vibration motor106h.

The one or more emitters104aand the one or more detectors104bof the system100can be utilized to obtain physiological information indicative of one or more physiological parameters of the subject. These parameters can include various blood analytes such as oxygen, carbon monoxide, methemoglobin, total hemoglobin, glucose, proteins, glucose, lipids, a percentage thereof (for example, concentration or saturation), and the like. The one or more emitters104aand the one or more detectors104bof the system100can also be used to obtain a photoplethysmograph, a measure of plethysmograph variability, pulse rate, a measure of blood perfusion, and the like. Information such as oxygen saturation (SpO2), pulse rate, a plethysmograph waveform, respiratory effort index (REI), acoustic respiration rate (RRa), EEG, ECG, pulse arrival time (PAT), perfusion index (PI), pleth variability index (PVI), methemoglobin (MetHb), carboxyhemoglobin (CoHb), total hemoglobin (tHb), and/or glucose, can be obtained from the system100and data related to such information can be processed and/or transmitted by the system100(for example, via communication module106c) to a separate computing device10(such as a computing device at a caregiver's workstation, a patient monitor, and/or a mobile phone). The one or more emitters104aand the one or more detectors104bcan be optically based and, for example, utilize optical radiation. Further, the one or more emitters104acan serve as a source of optical radiation that can be directed towards tissue of the subject 1 when the system100is in use. The system100can include one, two, three, four, five, six, seven, or eight or more emitters104aand/or one, two, three, four, five, six, seven, or eight or more detectors104b. The one or more emitters104acan be one or more light-emitting diodes (LEDs) (for example, such as low-power, high-brightness LEDs), laser diodes, incandescent bulbs with appropriate frequency-selective filters, and/or any other source(s) of optical radiation and/or any combinations of the same, or the like. The one or more emitters104acan emit optical radiation of one or more wavelengths and can emit visible and near-infrared optical radiation. The one or more detectors104bcan be configured to detect optical radiation generated by the one or more emitters104a. The one or more detectors104bcan detect optical radiation that attenuates through and/or is reflected by tissue of the subject 1, for example, tissue of the subject's foot 2. The one or more detectors104bcan output one or more signals responsive to the detected optical radiation. In some implementations, the one or more detectors104bcan be one or more photodiodes, phototransistors, or the like.

The one or more processors106acan be configured, among other things, to process data, execute instructions to perform one or more functions, and/or control the operation of the system100. For example, the one or more processors106acan control operation of the one or more emitters104a, the one or more detectors104b, the one or more temperature sensors104c, and/or the one or more other sensors106fof the system100. As another example, the one or more processors106acan process signals and/or physiological data received and/or obtained from the one or more detectors104b, the one or more temperature sensors104c, and/or the one or more other sensors106fof the system100. Further, the one or more processors106acan execute instructions to perform functions related to storing and/or transmitting such signals and/or physiological data received and/or obtained from the one or more detectors104band/or the one or more other sensors106fof the system100. The processor106acan execute instructions to perform functions related to storing and/or transmitting any or all of such received data.

The one or more storage devices106bcan include one or more memory devices that store data, including without limitation, dynamic and/or static random access memory (RAM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), and the like. Such stored data can be processed and/or unprocessed physiological data obtained from the system100, for example.

The communication module106ccan facilitate communication (via wires and/or wireless connection) between the system100(and/or components thereof) and separate devices, such as separate monitoring, computing, electrical, and/or mobile devices, such as patient monitor10aand/or mobile phone10bshown inFIG.1C. For example, the communication module106ccan be configured to allow the system100to wirelessly communicate with other devices, systems, and/or networks over any of a variety of communication protocols. The communication module106ccan be configured to use any of a variety of wireless communication protocols, such as Wi-Fi (802.11x), Bluetooth®, ZigBee®, Z-wave®, cellular telephony, infrared, near-field communications (NFC), RFID, satellite transmission, proprietary protocols, combinations of the same, and the like. The communication module106ccan allow data and/or instructions to be transmitted and/or received to and/or from the system100and separate computing devices. The communication module106ccan be configured to transmit (for example, wirelessly) processed and/or unprocessed physiological parameters, data and/or other information to one or more separate computing devices, which can include, among others, a patient monitor, a mobile device (for example, an iOS or Android enabled smartphone, tablet, laptop), a desktop computer, a server or other computing or processing device for display and/or further processing, among other things. Such separate computing devices can be configured to store and/or further process the received physiological parameters, data, and/or other information, to display information indicative of or derived from the received parameters, data, and/or information, and/or to transmit information—including displays, alarms, alerts, and notifications—to various other types of computing devices and/or systems that can be associated with a hospital, a caregiver (for example, a primary care provider), and/or a user (for example, an employer, a school, friends, family) that have permission to access the subject's data. As another example, the communication module106cof the system100can be configured to wirelessly transmit processed and/or unprocessed obtained physiological parameters, data, information and/or other information (for example, motion and/or location data) to a mobile phone which can include one or more processors configured to execute an application that generates a graphical user interface displaying information representative of the processed or unprocessed physiological parameters, data, information and/or other information obtained from the system100. The communication module106ccan be and/or include a wireless transceiver. The communication module106ccan be embodied in an antenna and/or an NFC chip.

The battery106dcan provide power for hardware components of the system100described herein. The battery106dcan be rechargeable. For example, the battery106dcan be a lithium, a lithium polymer, a lithium-ion, a lithium-ion polymer, a lead-acid, a nickel-cadmium, or a nickel-metal hydride battery. In some implementations, the battery106dcan be non-rechargeable. Additionally or alternatively, the system100can be configured to obtain power from a power source that is external to the system100. For example, the system100can include or can be configured to connect to a cable which can itself connect to an external power source to provide power to the system100.

The information element106ecan be a memory storage element that stores, in non-volatile memory, information used to help maintain a standard of quality associated with the system100. Illustratively, the information element106ecan store information regarding whether the system100has been previously activated and whether the system100has been previously operational for a prolonged period of time, such as, for example, four hours, one day, two days, five days, ten days, twenty days, a month, multiple months, or any period of time. The information stored in the information element106ecan be used to help detect improper re-use of the system100, for example.

In some implementations, the system100can include one or more other sensor(s)106fThe other sensor(s)106fcan comprise a motion sensor, for example, including one or more accelerometers and/or gyroscopes, that can be utilized to determine motion of the subject and/or a portion of the subject's body (for example, foot 2, ankle 3, heel 4, and/or lower leg 5). In some implementations where the system100(for example, sensor hub106) includes a motion sensor, the processor(s)106acan determine whether the subject's foot 2, ankle 3, heel 4, and/or lower leg 5 are moving and, responsive to such determination, not receive, not process, and/or not determine one or more physiological parameters (since such determinations can include inaccuracies because of such movement). The other sensor(s)106fcan be disposed on, within, and/or be operably positioned by any one or more of the aspects of the system100. For example, the other sensor(s) can be disposed on, within, and/or be operably positioned by any one or more of the wearable device102, the sensor dock104, and/or the sensor hub106. The other sensor(s)106fcan be operably connected to the one or more processors106a, which can control operation of the other sensor(s)106fand/or process data received from the other sensor(s)106f.

The one or more status indicators106gcan be configured to provide and/or indicate a status of the system100and/or a status of one or more physiological parameters of the subject 1 determined by the system100and/or any devices in communication with the system100. In some implementations, the one or more status indicators106gcan be configured to indicate a status of the system100, such as whether the system100is in an operational (“on”) mode, whether the system100is pairing or has paired with a separate device, whether an error has been detected, and/or a power level of the system100(for example, a charge of battery106dof sensor hub106). For example, the one or more status indicators106gcan be configured to light up and/or cast optical radiation of one or more wavelengths from one or more portions of the system100. As another example, the one or more status indicators106gcan be configured to light up and/or emit optical radiation from one or more portions of the sensor hub106of the system100. The one or more processors106acan be in communication with the one or more status indicators106gand can be configured to instruct the one or more status indicators106gto cause any of such above-described status indications and/or lighting.

In some cases, the one or more status indicators106gcan be configured to provide optical radiation (e.g., light) feedback to the subject when the system100is secured to the subject and/or when sensor hub106and sensor dock104are connected together. In some implementations, system100can be configured to cause optical radiation feedback to the subject 1 (when the system100is secured to the subject) responsive to one or more physiological parameters determined by system100and/or by any devices (such as separate computing and/or mobile devices, for example, a patient monitor) in communication with the system100. The one or more processors106acan instruct the one or more status indicators106gto emit or stop emitting optical radiation and/or instruct the one or more status indicators106gto alter a characteristic of optical radiation (for example, increase/reduce optical radiation brightness, change optical radiation wavelength and/or color, change a rate of blinking of optical radiation, etc.) responsive to the one or more determined physiological parameters. Such action by the one or more processors106acan dynamically track with physiological parameter determination over time, for example. As an example, in some implementations, the one or more processors106acan provide instructions to the one or more status indicators106g(such as those discussed above) responsive to a condition of the subject using the system100. For example, if one or more physiological parameters determined by the system100and/or any devices in communication with the system100are indicative of hypoxemia (low blood oxygen) when the subject is using the system100, the one or more processors106acan instruct the one or more status indicators106gto produce optical radiation to notify the subject and/or their care providers to restore proper breathing and/or safe blood oxygen levels. As another example, if one or more physiological parameters determined by the system100and/or any devices in communication with the system100are indicative of edema (swelling caused by excess fluid trapped in body tissue) when the subject is using the system100, the one or more processors106acan instruct the one or more status indicators106gto cause optical radiation to be emitted from the system100as described above. In some implementations, the one or more processors106aand/or any devices in communication with the system100can instruct the one or more status indicators106gto cause optical radiation to be emitted if a determined subject physiological parameter of interest meets and/or exceeds a set threshold, meets and/or falls below a set threshold, and/or meets, exceeds, and/or falls below a set range. In some cases, optical radiation emitted from the one or more status indicators106gcan correspond to an alert, an alarm, a notification, and/or any other situation wherein the subject and/or a care provider may need to intervene in the subject's care. The one or more status indicators106gcan be positioned within various portions of the system100, for example, within sensor hub106, such that optical radiation emitted from the one or more status indicators emit out of and/or through a hole and/or opening in the sensor hub106, such as by status indicator167shown in and described with respect toFIGS.51and5Jthrough hole153of the sensor hub106shown and described with respect toFIGS.5A,5B, and5C.

The vibration motor106hcan be configured to vibrate one or more portions of the system100(for example, the wearable device102, the sensor hub106and/or the sensor dock104when sensor hub106and sensor dock104are coupled together), which in turn can vibrate one or more portions of a subject's body (for example, foot) when the system100is secured to the subject. For example, vibration motor106hcan be configured to vibrate the sensor hub106or portions thereof. The one or more processors106acan be in communication with vibration motor106hand can be configured to instruct vibration motor106hto cause any of such above-described vibration.

In some cases, the vibration motor106hcan be utilized to provide haptic feedback to the subject when the system100is secured to the subject. In some implementations, the system100can be configured to cause vibration of and/or provide haptic feedback to one or more portions of the subject's body (when the system100is secured to the subject) via the vibration motor106hresponsive to one or more physiological parameters determined by system100and/or by any devices (such as separate computing, electrical, and/or mobile devices, for example, a patient monitor10) in communication with the system100. The one or more processors106acan instruct the vibration motor106hto cause vibration, cease vibrating, and/or instruct the vibration motor106hto alter a characteristic of vibration (for example, increase/reduce vibration rate, increase/reduce vibration strength, change vibration pattern, etc.) responsive to the one or more determined physiological parameters. Such action by the one or more processors106acan dynamically track with physiological parameter determination over time, for example. As an example, in some implementations, the one or more processors106acan provide instructions to vibration motor106h(such as those discussed above) responsive to a condition of the subject using the system100. For example, if one or more physiological parameters determined by the system100and/or any devices in communication with the system100are indicative of hypoxemia (low blood oxygen) when the subject is using the system100, the one or more processors106acan instruct the vibration motor106hto vibrate to cause the subject to wake up in an attempt to restore proper breathing and/or safe blood oxygen levels. This can be significantly beneficial when the system100is worn by an infant or young child where continuous or intermittent monitoring is important. As another example, if one or more physiological parameters determined by the system100and/or any devices in communication with the system100are indicative of edema (swelling caused by excess fluid trapped in body tissue) when the subject is using the system100, the one or more processors106acan instruct the vibration motor106hto cause vibration of a portion of the subject's body, such as their foot, ankle, heel, lower leg, and/or any other portion of the subject's body. In some implementations, the one or more processors106aand/or any devices in communication with the system100can instruct the vibration motor106hto cause a vibration if a determined subject physiological parameter of interest meets and/or exceeds a set threshold, meets and/or falls below a set threshold, and/or meets, exceeds, and/or falls below a set range. In some cases, a vibration of the vibration motor106hcan correspond to an alert, an alarm, a notification, and/or any other situation wherein the subject and/or a care provider can need to intervene in the subject's care. In some implementations, the one or more processors106acan instruct the vibration motor106hto vibrate responsive to a status of battery106d(for example, when a charge of the battery106ddrops below a certain threshold). In some implementations, system100can include more than one vibration motor106h, for example, two, or three or more vibration motors106h. Vibration motor(s)106hcan be positioned within various portions of the system100, for example, within sensor hub106.

FIGS.4A-4Gillustrate various perspective views of the sensor dock104of the system100. As shown, the sensor dock104can have a main body120and a sensor strap130(which also may be referred to herein as “strap”) connected to and extending outward from the main body120. The main body120can include a base128and arm(s)122extending outward from the base128. In some implementations, the main body120further includes a shell127which is described further below. The sensor strap130can include the one or more emitters104aand the one or more detectors104band can be configured to secure the system100to the subject's foot 2 as described further herein (for example, alone or in combination with wearable device strap166of wearable device102). In some implementations, the system100includes an emitter package144(shown inFIG.4E) comprising the one or more emitters104a. Similarly, in some implementations the system100includes a detector package146(shown inFIG.4E) comprising the one or more detectors104b. The sensor strap130can be configured to receive the emitter package144to operably position the one or more emitters104a. Similarly, the sensor strap130can be configured to receive the detector package146to operably position the one or more detectors104b. The one or more emitters104ain emitter package144and the one or more detectors104bin detector package146can be in electrical communication with an electrical connector124of the sensor dock104via a circuit layer147disposed within the sensor strap130and a portion147cof the circuit layer147that extends from the circuit layer147in the sensor strap130to the electrical connector124(shown inFIG.4F).

The electrical connector124can be configured to releasably electrically connect the sensor dock104(and therefore the one or more emitters104aand the one or more detectors104b) to the sensor hub106. The sensor dock104can also include features for mechanically engaging/connecting with the sensor hub106. For example and as shown, the arm(s)122extending from the base128can be configured to releasably mechanically engage/connect with the sensor hub106. In some implementations, when the sensor hub106is mechanically engaged/connected with the arm(s)122of the sensor dock104, an electrical connector of the sensor hub106(for example, electrical connector151shown inFIGS.5A-5B) can releasably mechanically and electrically engage/connect with the electrical connector124of the sensor dock104.

As shown inFIGS.4A-4G, in some implementations the main body120of the sensor dock104has a length and/or a width that are greater than a height of the sensor dock104. In some implementations, the sensor dock104includes two arm(s)122. The arm(s)122of the sensor dock104can extend from the base128in the same direction so as to form a generally U-shaped structure. The arm(s)122can be generally parallel to each other, such that a gap is formed between the arm(s)122. Such a gap can be, for example, sized to accommodate the sensor hub106and/or at least a portion of the sensor hub106. In some implementations, the arm(s)122are the same length. Furthermore, the arm(s)122can mirror each other in size, shape, and other features. In some implementations, the sensor dock104can include one or more retaining features configured to engage the sensor hub106. For example, each of the arm(s)122of the sensor dock104can include a protrusion123configured to engage with the sensor hub106to allow the sensor dock104to connect to the sensor hub106. The protrusion(s)123can be disposed along an inner surface of each of the arm(s)122, such that they face towards the sensor hub106when the sensor hub106is connected to the sensor dock104. The protrusion(s)123can smoothly transition from the inner surface(s) of the arm(s)122such that the sensor hub106can slidably engage with the protrusion(s)123. For example, the protrusion(s)123can include ramp-like structures that define a smooth transition between the inner surface of the arm(s)122and the maximum “height” of the protrusion(s)123. As another example, the protrusion(s)123can be rounded, have a rounded tip, and/or have a parabolic cross-section that allow for a smooth transition with the inner surface of the arm(s)122. The protrusion(s)123can interact with corresponding recess(es) in the sensor hub106, which can serve to releasably lock the sensor hub106in place with the sensor dock104. In some implementations, interaction between the protrusion(s)123of the sensor dock104and recess(es) of the sensor hub106can provide tactile feedback to the subject that indicates complete engagement/connection of the sensor hub106with the sensor dock104. Details of such recess(es) of the sensor hub106are described later with respect toFIGS.5A-5J. Any number of retaining features can be provided on the sensor dock104to aid in releasably connecting the sensor hub106to the sensor dock104. In some cases, other types of retaining features can be utilized. For example, edges of the arm(s)122, which can be defined as the transition between the inner surface of the arm(s)122and outer surfaces of the arm(s)122, can be configured to aid in the connection between the sensor dock104and the sensor hub106. In some implementations, the arm(s)122are sized and shaped to releasably connect to the sensor hub106. In some cases, the sensor hub106slidably connects to the sensor dock104.

As discussed above and as shown inFIGS.4A-4B, the sensor dock104can include an electrical connector124. The electrical connector124can be configured to releasably electrically and mechanically connect to a corresponding electrical connector of the sensor hub106, such that when connected to each other, the sensor hub106is placed in electrical communication with the one or more emitters104aand the one or more detectors104bof the system100. The electrical connector124can include any number of pins. For example, with reference toFIGS.4A-4B, the electrical connector124can include 8 pins. In some implementations, the electrical connector124includes an alternative number of pins. In some implementations, the electrical connector124can include a number of openings that correspond to a number of pins of a corresponding electrical connector of the sensor hub106. As shown inFIGS.4A-4B, the electrical connector124can be disposed at an inner portion of the base128of the sensor dock104, such that it faces the sensor hub106when the sensor hub106is connected to the sensor dock104. In some implementations, the sensor dock104can include one or more features to aid in aligning the electrical connector124to the corresponding electrical connector of the sensor hub106. For example, the sensor dock104can include walls126positioned adjacent the electrical connector124, and the walls126can be configured to aid in releasably connecting the electrical connector124with the corresponding electrical connector of the sensor hub106.

The base128of the sensor dock104can include a top portion128aand a bottom portion128b(shown, for example, inFIGS.4F-4G) that can be integrally formed (or alternatively, separable from one another). The top portion128acan include the electrical connector124and the walls126, and the bottom portion128bcan include the arm(s)122. In some implementations, a shell127fits over and connects to the base128and the arm(s)122, and/or is integral with the base128and the arm(s)122. For example, the shell127can connect to the base128and arm(s)122via connecting portions121disposed on the arm(s)122. In some cases, the shell127is integral with the sensor strap130as shown. In some implementations, the main body120of the sensor dock104does not include the shell127. The main body120of the sensor dock104can be configured to connect to the holder170of the wearable device102. For example, the main body120of the sensor dock104including the base128and arm(s)122can be sized and/or shaped to fit within at least a portion of the cavity172of the holder170.

The sensor dock104can include one or more features for aiding in gripping and/or holding the sensor dock104, such as for gripping and/or holding the sensor dock104when connecting and/or disconnecting sensor hub106to the sensor dock104. For example, the sensor dock104can include one or more ribs125disposed on a portion of the base128(e.g., the bottom portion128b) of the sensor dock104, the ribs125configured to aid in gripping and/or holding the sensor dock104. The ribs125can include generally linear protrusions that protrude out from the surface of the sensor dock104and extend along a portion of the sensor dock opposite of where it would contact the wearable device102when connected to the holder170(e.g., the ribs can be disposed along a “bottom” portion of the sensor dock104). Alternatively, or in addition, in some implementations the sensor dock104can include other features configured to aid in gripping and/or holding the sensor dock104, such as bumps, a roughened surface texture, etc.

As discussed above and as shown inFIGS.4A-4F, the sensor dock104can include a sensor strap130that connects to and extends outward from the main body120of the sensor dock104. As shown and in some implementations, the sensor strap130connects to a top of the main body120of the sensor dock104such that the sensor strap130is raised (e.g., forms a raised surface) relative to the rest of the sensor dock104. Furthermore, the sensor strap130can be disposed at an end of the main body120adjacent the electrical connector124. Additionally, the sensor strap130can extend from the main body120in a direction substantially perpendicular to the arm(s)122of the sensor dock104. The sensor strap130can be configured to fit within and extend from the opening171in the wearable device102when the main body120of the sensor dock104is connected to the holder170of the wearable device102(for example, when the main body120of the sensor dock104is disposed within the cavity172of the holder170). A portion of the sensor strap130that fits within the opening171can be configured to form a substantially flush surface (e.g., a substantially coplanar surface) with the base160of the wearable device102for receiving a bottom portion of the subject's foot 2. Additionally, a portion of the sensor strap130that extends from the opening171can be configured to wrap around at least a portion of the subject's foot and secure the wearable device102to the subject's foot 2.

Strap130can include a sensor section141and a securement section131as shown inFIGS.4A and4C. The sensor section141can connect to and extend outward from the main body120of the sensor dock104, while the securement section can be disposed at an end137of the sensor strap130opposite the sensor section141. The securement section141can include one or more features for securing the system100to the subject's foot 2. For example and as shown, the securement section141can include hole(s)133and/or ridge(s)135that can interact with one or more features of the wearable device102described later herein for securing the system100to the subject's foot 2, although other methods of securement can be used. In some implementations, at least a portion of the strap130is stretchable. For example, at least a portion of the sensor section141and/or at least a portion of the securement section131can be configured to be stretchable.

FIGS.4C-4Gillustrate perspective views of the sensor dock104that progressively show the various aspects, components, and/or features that the sensor dock104, in particular the sensor strap130, can include. As shown inFIG.4D, the sensor strap130can include a cover143(which may also be referred to as a “cover plate”) configured to cover the electrical circuitry of the sensor strap130, such as the circuit layer147. The cover143can fit into a recess149aof the sensor strap130, such that the cover143and the surface of the sensor strap130adjacent the cover143form a substantially flush surface. The cover143can include an opening143aconfigured to overlie the one or more detectors104bin detector package146so as to allow optical radiation emitted from the one or more emitters104ain emitter package144to reach the detectors. Similarly, the cover143can include an opening143bconfigured to overlie the one or more emitters104ain emitter package144so as to allow optical radiation emitted from the one or more emitters104ato pass through. In some implementations, openings143a,143bare covered by transparent material (for example, to prevent ingress of liquid therethrough). However, in alternative implementations, openings143a,143bare not covered.

In addition to the cover143, the sensor strap130can include a stiffener145configured to increase the stiffness of a portion of the sensor strap130that is positioned within the opening171of the wearable device102when the sensor dock104is connected to the holder170. The stiffener145can be disposed below the cover143and can include an opening145aconfigured to allow optical radiation to pass through (e.g., so as not to block optical radiation from being emitted by the one or more emitters104aor optical radiation from being received by the one or more detectors104b). Also shown inFIG.4Dis the circuit layer147, which can be disposed below the cover143and the stiffener145and can fit into a recess149bof the sensor strap130(shown inFIG.4E-4F). As mentioned above, the circuit layer147can electrically connect the one or more emitters104ain emitter package144and the one or more detectors104bin detector package146to the electrical connector124of the sensor dock104. In some implementations, the circuit layer147also electrically connects the temperature sensor(s)104cof the sensor dock104to the electrical connector124. The circuit layer147can be configured as a flexible circuit that can bend freely with the sensor strap130. For this, the circuit layer147can have a length that is greater than a distance between where the circuit layer147electrically connects to the one or more emitters104ain emitter package144and the one or more detectors104bin detector package146. For example, the circuit layer147can have one or more bends (e.g., can be serpentine). Similar to the opening143aand the opening143bin the cover143, the circuit layer147can include an opening147aand an opening147bconfigured to overlie the one or more detectors104band one or more emitters104a, respectively, and allow optical radiation to be received and/or emitted therethrough.

FIG.4Eshows the sensor dock104with the cover143, the stiffener145, and the circuit layer147removed from view. This view shows the emitter package144, the detector package146, and the temperature sensor(s)104cin a temperature sensor package148positioned by the sensor strap130. The one or more emitters104ain emitter package144can be positioned within a first portion of the sensor strap130that is outside of and/or spaced away from the opening171of the wearable device102when the sensor dock104is connected to the holder170. For example, the emitter package144can be disposed within a cavity149cof the sensor strap130(shown inFIG.4F). The one or more detectors104bin detector package146and the temperature sensor(s)104cin temperature sensor package148can be positioned within a second portion of the sensor strap130that can be positioned within the opening171of the wearable device102when the sensor dock104is connected to the holder170. The temperature sensor(s)104cin temperature sensor package148can be positioned proximate to but spaced from the one or more detectors104bin detector package146. For example, the detector package146and the temperature sensor package148can be disposed within a cavity149dof the sensor strap130(shown inFIG.4F). The sensor section141of the sensor strap130can include both of such first portion and second portion described above.

The one or more emitters104ain emitter package144can be aligned with, for example vertically aligned, and/or aimed towards the one or more detectors104bin detector package146when the sensor strap130is wrapped around a top portion of the subject's foot 2 (for example, as shown inFIG.1D). The temperature sensor(s)104cin temperature sensor package148can be horizontally aligned with the detector package146and not vertically aligned with the emitter package144when the sensor strap130is wrapped around the top portion of the subject's foot 2 (also shown inFIG.1D). In such positions and with the sensor strap130wrapped around the top portion of the subject's foot 2, the emitter package144can be operably positioned against and/or adjacent to tissue of the top of the subject's foot 2, and the detector package146and temperature sensor package148can be operably positioned against and/or adjacent to tissue of the bottom of the subject's foot 2 (e.g., tissue of the ball of the subject's foot 2). Thus, the detector package146can be operably positioned by the sensor strap130such that optical radiation emitted from the emitter package144can pass through and/or be attenuated by the tissue of the subject's foot 2 before being detected by the detector package146. In some implementations, the locations of the one or more emitters104ain emitter package144and the one or more detectors104bin detector package146can be switched. In such implementations, and with the sensor strap130wrapped around the top portion of the subject's foot 2, the detector package146can be operably positioned against and/or adjacent to tissue of the top of the subject's foot 2, and the emitter package144can be operably positioned against and/or adjacent to tissue of the bottom of the subject's foot 2 (e.g., tissue of the ball of the subject's foot 2).

With continued reference toFIG.4E, the sensor strap130can also include a detector shield132. The detector shield132can at least partially enclose and/or surround the detector package146comprising the one or more detectors104b. The detector shield132can be configured to inhibit, prevent, and/or reduce ambient light, stray light, and/or light emitted from the emitter package144that does not pass through tissue from being received by the detector package146, which can advantageously improve the integrity of physiological parameter determination. Additionally, or alternatively, detector shield132can shield the detector package146against and/or with respect to electromagnetic noise. For example, in some implementations, the detector shield132can act as a Faraday cage or a shield to block electromagnetic fields. The sensor strap130can also include optical transmission material configured to direct optical radiation toward the detector package146after passing through tissue of the subject's foot 2. In some cases, the optical transmission material can include a lens. In some cases, the optical transmission material can include a diffuser configured to diffuse, spread out, disseminate, and/or scatter optical radiation attenuated by tissue prior to being received by the detector package146. The optical transmission material can form a part of the detector package146, or it can be configured to be positioned between the detector package146and tissue of the subject 1 when the system100is secured to the subject 1. In some implementations, the optical transmission material is disposed within the opening143aof the cover143overlying the detector package146. Similarly, the sensor strap130can include optical transmission material configured to focus or diffuse optical radiation emitted from the emitter package144. In some cases, the optical transmission material can include a lens. In some cases, the optical transmission material can include a diffuser configured to diffuse, spread out, disseminate, and/or scatter optical radiation emitted from the emitter package144prior to such optical radiation entering the subject's tissue. In some cases, this can permit optical radiation emitted from the emitter package144to pass through a greater amount of tissue and can facilitate more accurate determination of physiological parameters (such as any of those discussed herein). The optical transmission material can form a part of the emitter package144, or it can be configured to be positioned between the emitter package144and tissue of the subject 1 when the system100is secured to the subject 1. In some implementations, the optical transmission material is disposed within the opening143bof the cover143overlying the emitter package144.

Advantageously, at least a portion of the sensor strap130can be made of a pliable material. For example, at least a portion of the sensor strap130can be made of silicone, such as a medical grade and/or biocompatible silicone, a thermoplastic elastomer, such as a medical grade and/or biocompatible thermoplastic elastomer, and/or any biocompatible material and/or polymer that is pliable, flexible, stretchy, soft, and/or conformable. A pliable sensor strap130can advantageously position the emitter package144and the detector package146close to, against, and or adjacent to a portion of the subject's body, such as the tissue of the subject's foot 2, for optimal function of the system100. For example, by conforming to the subject's foot 2, the sensor strap130can optimally position the emitter package144against, adjacent, and/or near to the subject's foot 2 such that optical radiation emitted from the emitter package144is directed to/through the subject's foot 2. By way of another example, by the sensor strap130conforming to the subject's foot 2, ambient and/or stray optical radiation and/or optical radiation not produced/emitted by the emitter package144can be reduced, eliminated, and/or prevented from being received by the detector package146. Furthermore, a pliable sensor strap130can advantageously improve comfort for the subject 1 when the system100is secured to and/or worn by the subject 1. In some implementations, the sensor strap130and/or portions thereof can be rigid or semi-rigid. In some cases, the sensor strap130can be a composite material and/or a composite of rigid, semi-rigid, and/or pliable/conforming material.

In some implementations, the sensor strap130can be configured to inhibit, prevent, and/or reduce an amount of ambient light, stray light, and/or any optical radiation not emitted from the emitter package144from reaching the detector package146. Additionally, or alternatively, the sensor strap130can be configured to inhibit, prevent, and/or reduce an amount of optical radiation emitted by the emitter package144that has not been attenuated by, reflected by, and/or passed through tissue of the subject from being received by the detector package146. In some cases, the sensor strap130can be opaque and/or generally light blocking and/or have a light blocking coating. In some implementations, sensor strap130can be semi-transparent or transparent. In some implementations, the sensor strap130can include portions that are opaque and/or light blocking and portions that are semi-transparent and/or transparent.

FIGS.5A-5Billustrate perspective views,FIG.5Cillustrates a bottom view,FIG.5Dillustrates a top view,FIGS.5E-5Fillustrate side views, andFIGS.5G-5Hillustrate front and back views, respectively, of the sensor hub106.FIGS.5I-5Jillustrate perspective exploded views of the sensor hub106.

As shown inFIGS.5A-5J, the sensor hub106can include a first end150, a second end152opposite the first end150, a first side154, and a second side156opposite the first side154. Sensor hub106can comprise a length along sides154,156and/or a width along ends150,152greater than a height of the sensor hub106. As discussed above with respect toFIG.3, the sensor hub106can include one or more processors106a, one or more storage devices106b, a communication module106c, a battery106d, an information element106e, one or more other sensors106f, one or more status indicators106g, and/or a vibration motor106h. Further as discussed above, the sensor hub106can be configured to releasably mechanically and electrically connect with the sensor dock104. For this, the sensor hub106can be sized and/or shaped and/or include one or more features (for example, recesses) for releasably mechanically and electrically connecting to the sensor dock104. In some cases, the sensor hub106includes one or more features for engaging with one or more retaining features of the sensor dock104. For example, in some implementations the sensor hub106includes recessed portion(s)158disposed along at least a portion of the sides154,156configured to slidably and releasably mechanically connect with the arm(s)122of the sensor dock104. The recessed portion(s)158can extend from end150along sides154,156towards end152, and in some cases can terminate adjacent to and/or near the end152. In addition to recessed portion(s)158, the sensor hub106can include one or more features for releasably mechanically connecting to the sensor dock104. For example, the sensor hub106can include recess(es)158a, non-recessed portion(s)158b, and recess(es)158c, which can as shown be disposed along recessed portion(s)158. In some implementations, the recess(es)158aand the recess(es)158ccan be configured to slidably receive the protrusion(s)123of the sensor dock104when the recessed portion(s)158of the sensor hub106slidably engage with the arm(s)122of the sensor dock104. For example, the sensor hub106can be mechanically connected to the sensor dock104by aligning recessed portion(s)158with arm(s)122of the sensor dock104while the sensor hub106is positioned away from the sensor dock104but generally in the same plane as the sensor dock104and with end150of the sensor hub106facing the sensor dock104, sliding the sensor hub106towards the sensor dock104such that the arm(s)122engage with the recessed portion(s)158, continuing to slide the sensor hub106towards the sensor dock104such that the recess(es)158areceive the protrusion(s)123, continuing to slide the sensor hub106towards the sensor dock104such that the non-recessed portion(s)158bengage and/or interact with the protrusion(s)123, and continuing to slide the sensor hub106towards the sensor dock104until the recess(es)158creceive the protrusion(s)123. In the example above, the interaction between the non-recessed portion(s)158bof the sensor hub106and the protrusion(s)123of the sensor dock104can provide tactile feedback to the subject, such as the feel of a “snap” when the non-recessed portion(s)158bare slid past the protrusion(s)123. In the case of connecting the sensor hub106to the sensor dock104, such a “snap” feel can indicate to the subject that the sensor hub106is fully connected to the sensor dock104once the protrusion(s)123have slid past the non-recessed portion(s)158band the recess(es)158chave received the protrusion(s)123.

With continued reference toFIGS.5A-5Jand as discussed above, the sensor hub106can include an electrical connector151configured to electrically and mechanically connect with the corresponding electrical connector124of the sensor dock104. The sensor hub106and its components, such as processor(s)106aand battery106d, can be operably connected to the one or more emitters104aand the one or more detectors104bof the system100when the electrical connector151of the sensor hub106is connected to the electrical connector124of the sensor dock104. In some implementations, the electrical connector151of the sensor hub106can be electrically and mechanically connected to the electrical connector124of the sensor dock104when the sensor hub106is mechanically connected to the sensor dock104, such as by the connection between the arm(s)122of the dock and the recessed portion(s)158of the sensor hub106as described above. The electrical connector151of the sensor hub106can include one or more openings configured to receive one or more pins of the corresponding electrical connector124of the sensor dock104. For example and as shown inFIGS.5A-5B, the electrical connector151of the sensor hub106can include 8 openings, the openings configured to electrically and mechanically connect with corresponding pins of the electrical connector124of the sensor dock104. In some implementations, the electrical connector151can include any number of openings. In some implementations, the electrical connector151can include one or more pins configured to electrically and mechanically connect with one or more corresponding openings in the electrical connector124of the sensor dock104. As shown inFIGS.5A-5B, the electrical connector151can be disposed at end150of the sensor hub106, for example, such that it faces towards the electrical connector124of the sensor dock104when the sensor hub106is connected to the sensor dock104. In some implementations, the sensor hub106can include one or more features to aid in aligning the electrical connector151to the corresponding electrical connector124of the sensor dock104. For example, the sensor hub106can include slot(s)159adjacent the electrical connector151, the slot(s)159configured to releasably receive the walls126of the sensor dock104and aid in releasably connecting the electrical connector151with the corresponding electrical connector124.

As shown inFIGS.5A-5C,5E-5H, the sensor hub106can include one or more features for aiding in gripping, holding, moving, and/or sliding the sensor hub106, such as for sliding the sensor hub106when connecting and/or disconnecting the sensor hub106to the sensor dock104. For example, the sensor hub106can include one or more ribs155disposed on a portion of the sensor hub106, the ribs155configured to aid in gripping, holding, moving, and/or sliding the sensor hub106. As shown, the ribs155can include generally linear protrusions that protrude out from a surface of the sensor hub106and extend at least partially from side154towards side156along a portion of the sensor hub106near end152(e.g., the ribs can be disposed along an outward-facing portion of the sensor hub106). Alternatively, or in addition, in some implementations the sensor hub106can include other features configured to aid in gripping, holding, moving, and/or sliding the sensor hub106, such as bumps, a roughened surface texture, etc.

With continued reference toFIGS.5A-5Jand as discussed above, the sensor hub106can include one or more status indicators106g. The one or more status indicators106gcan be configured, for example, to emit optical radiation out of and/or through a hole and/or opening in the sensor hub106, such as through the hole/opening153in a top shell160of the sensor hub106. As shown inFIGS.5I-5J, the one or more status indicators106gcan include status indicator167, which can be an emitter (e.g., an LED) configured to emit optical radiation. The status indicator167can be operably coupled to a circuit board (also referred to herein as a “PCB”)163and the processor(s)106aof the sensor hub106. The hole/opening153can allow the optical radiation emitted by the status indicator167to be visible from a location external to the sensor hub106, such as by the subject 1 when wearing/using the system100and/or by the subject's care providers. In some implementations, hole/opening153can be at least partially aligned with status indicator167to allow optical radiation emitted from the status indicator167to more easily pass through the top shell160. Additionally, or alternatively, the top shell160and/or a bottom shell161of the sensor hub106can comprise a transparent or semi-transparent material that allows optical radiation emitted from the status indicator167to be seen from a location external to the sensor hub106.

In some implementations, the sensor hub106can include an RFID reader and the sensor dock104can include an RFID tag. The RFID tag of the sensor dock104can be configured to communicate with the RFID reader of the sensor hub106. In some implementations, the sensor hub106can include an RFID tag and the sensor dock104can include an RFID reader. The RFID tag of the sensor hub106can be configured to communicate with the RFID reader of the sensor dock104.

Referring to the perspective exploded views ofFIGS.5I-5J, shown are components of the sensor hub106in accordance with some implementations. As shown, the sensor hub106can include the bottom shell161, a battery165, the PCB163, and the top shell160. In some implementations, the sensor hub106can also include a vibration motor164, the status indicator167described above, and/or a PCB overmolding162. The vibration motor164can be an example implementation of vibration motor106hdiscussed herein, and can be configured to provide haptic feedback, vibration, alerts, notifications, alarms, etc. to the subject 1 and/or their care providers when the system100is secured to the subject. The battery165can correspond to battery106ddiscussed herein, and can be configured to provide power to the system100. The PCB163can include and/or be operably coupled with the processor(s)106a, the storage device(s)106b, the communication module106c, the information element106e, the status indicator(s)106gand status indicator167, and/or the vibration motor106hand vibration motor164discussed previously. The PCB overmolding162can be configured to seal the PCB163, at least a portion of the PCB163, and/or at least some of the PCB's components, such as against water, other liquids, air, dust, contaminants, etc. The PCB overmolding162can also be configured to provide shock and/or drop protection for the PCB163and/or its components. The battery165can be configured to operably connect to the PCB163, components of the PCB163, and/or the electrical connector151of the sensor hub106. The bottom shell161and the top shell160can be configured to contain components of the sensor hub106and can connect/join to each other (for example, by ultrasonic welding) to create a housing/shell of the sensor hub106. As such, the top shell160and/or the bottom shell161can comprise the one or more features of the sensor hub106configured to releasably connect with the sensor dock104, such as recessed portion(s)158, recess(es)158a, non-recessed portion(s)158b, and recess(es)158c.

FIGS.6A-6Dillustrate perspective views of the wearable device102of the system100ofFIGS.1A-1Bin accordance with some implementations of this disclosure. The wearable device102can be configured to receive and support the foot 2, ankle 3, heel 4, and/or lower leg 5 of the subject 1. Furthermore, the wearable device102can be made of a resilient material. Resilient can include the ability to return to original shape after bending, stretching, or being compressed. For example, the wearable device102can be made of silicone, such as a medical grade and/or biocompatible silicone, a thermoplastic elastomer, such as a medical grade and/or biocompatible thermoplastic elastomer, and/or any biocompatible material and/or polymer. As discussed with respect toFIG.2E, the wearable device102can have a main body105including the base160, the opening171in the base160, and the wall162extending from the base160. Also discussed and in some implementations, the main body105additionally includes the wearable device strap166extending from the wall162. As shown inFIGS.6A-6D, the wall162of the wearable device102can extend upward from a periphery of the base160and include a side portion162a(which can also be referred to herein as a “sidewall portion”), a back portion162b(which can also be referred to herein as a “back wall portion”), and a side portion162c(which can also be referred to herein as a “sidewall portion”) configured to wrap around and support portions of the subject's foot 2, such as side(s) of the subject's foot 2, the subject's ankle 3, the subject's heel 4, and/or the subject's lower leg 5. The wall162can be discontinuous such that it does not enclose the complete periphery of the base160, leaving space for the sensor strap130to extend from the opening171in the base160. Furthermore, the wall162can be discontinuous such that the toes of the subject's foot 2 are not enclosed. The wall162can have a variable height as it extends upward from the base. For example and as shown inFIGS.6A-6D, the wall162can have a maximum height at the back portion162bso as to surround and support the subject's heel 4, and a reduced height at side portions162aand162c. In some implementations, the main body105of the wearable device102can include a plurality of hole(s)164for venting and/or for tuning the resilience of the wearable device102. For example, the wall162and/or the base160can have a plurality of hole(s)164therethrough. Furthermore and in some implementations, the main body105of the wearable device102can include an opening161configured to receive the heel 4 of the subject's foot 2. The opening161can be located in the back portion162bof the wall162.

With continued reference toFIGS.6A-6D, the wearable device102can also include one or more features for securing to the subject's foot 2. For example and as shown, the main body105of the wearable device102can include the wearable device strap166mentioned previously that can extend outward from the wall162, as well as a protrusion165and/or a strap loop163aconfigured to interact with hole(s)168and/or ridge(s)167of the wearable device strap166, respectively, positioned adjacent an end169of the wearable device strap166. The wearable device strap166can be configured to wrap over a portion of the subject's foot 2, ankle 3, and/or lower leg 5 and be secured to the protrusion165and/or the strap loop163a. The wearable device strap166can extend from side portion162aof the wall162at a location adjacent where the wearable device102would receive the subject's ankle 3 if secured to the subject 1. Further, the wearable device strap166can extend from the side portion162aat an acute angle with respect to the base160when viewed from a side of the wearable device102. The protrusion165and/or the strap loop163acan extend outward and generally orthogonal from the side portion162cof the wall162(e.g., a side of the wall162opposite from where from the wearable device strap166extends from) to interact with the hole(s)168and/or ridge(s)167of the wearable device strap166, respectively. The protrusion165can be generally mushroom-shaped and have an enlarged end for releasably securing through the hole(s)168of the wearable device strap166. The strap loop163acan create a generally elongate opening configured to releasably receive the end169and ridge(s)167of the wearable device strap166. The main body105of the wearable device102can also include one or more features for releasably securing to the sensor strap130when the sensor dock104is connected to the holder170. For example and as shown, the side portion162cof the wall162can include another protrusion165and/or a strap loop163b(which can be the same as or similar to the strap loop163a) that can interact with the hole(s)133and/or ridge(s)135of the sensor strap130similar to or the same as how such features interact with the wearable device strap166. To customize the fit of the system100to the subject's foot 2, the wearable device strap166and/or the sensor strap130can be wrapped over the subject's foot 2, pulled through strap loops163aand163b, respectively, and a protrusion165secured through an appropriate hole (e.g., one of hole(s)168and133, respectively) of the strap(s).

FIGS.7A-7Killustrate various views of a charging station200.FIGS.7A-7Billustrate perspective views of the charging station200with the sensor hub106described herein removed from the charging station200,FIG.7Cillustrates a top view of the charging station200ofFIG.7A,FIG.7Dillustrates a bottom view of the charging station200ofFIG.7A,FIGS.7E-7Fillustrate front and back views, respectively, of the charging station200ofFIG.7A,FIGS.7G-7Hillustrate side views of the charging station200ofFIG.7A,FIGS.71-7Jillustrate perspective views of the charging station200ofFIG.7A, andFIG.7Killustrates a perspective cross sectional view through the charging station200ofFIG.9Aas indicated inFIG.7C.

The charging station200can be configured to releasably mechanically and electrically connect to (e.g., receive) the sensor hub106. The charging station200can, when electrically connected to the sensor hub106, charge and/or recharge the battery165of the sensor hub106. As shown inFIGS.7A-7K, the charging station200(which can also be referred to herein as a “charging base,” a “hub,” and/or “base station”) can comprise a generally cube like body206with a bottom plate204(which can also be referred to herein as a “bottom surface”), a top plate202(which can also be referred to herein as a “top surface”), a cavity203, and an electrical connector210. The body206of the charging station200can have a rounded square like cross section, seen most clearly in the top and bottom views ofFIGS.7C-7D. The charging station200can include an indicator212, opening(s)208, one or more speakers, opening(s)209, a reset button214, and other features as described further below. Furthermore, the charging station200can include any one or more of the features described with respect to the schematic diagram ofFIG.3, including one or more processor(s)106a, one or more storage device(s)106b, a communication module106c, a battery106d, an information element106e, one or more other sensor(s)106f, one or more status indicator(s)106g, and a vibration motor106h.

As shown inFIGS.7A-7K, the bottom plate204can connect to the body206and form the bottom portion of the charging station200. The opening(s)208can be disposed on the bottom plate204and can, for example, facilitate communication and/or sound from one or more speakers and/or other indicators disposed within the charging station200from being transmitted to outside of the charging station200(e.g., for a subject to hear and/or be notified). The opening(s)209can also be disposed on the bottom plate204and can, for example, allow for any foreign matter (liquids, debris, etc.) that may fall into the charging station200to escape. The charging station200can be configured to rest on a surface, such as a table top, and as such the bottom plate204can include one or more pads, non-slip features, etc. and/or be otherwise configured to provide a stable base for the charging station200. The bottom plate204can also include the electrical connector210, which can be disposed along a side of the bottom plate204such that it is accessible when the charging station200rests on/against a surface. As shown, the electrical connector210can be disposed along the side of the bottom plate204at an end of the charging station200that is the back of the charging station200. In some implementations the electrical connector210can instead be disposed on a portion of the body206, for example the side of the body206that is the back end of the charging station200. The electrical connector210can be a connector and/or charging port, such as a USB-C connector/port, that can be configured to provide power to the charging station200when operably connected to a power source. In some implementations, the charging station200can include a reset button214disposed on the bottom plate204configured to reset the charging station200if pressed and/or pressed and held by the subject.

Further as shown, the top plate202can connect to the body206and form the top portion of the charging station200. The top plate202can be configured as a push-button, such that the subject can push down on a surface (e.g, the top facing surface) of the top plate202to interact with the charging station200. In some implementations, the surface of the top plate202slopes downward towards its center, creating a generally concave surface of the top plate202. The indicator212can be disposed at and/or between the peripheral connection between the top plate202and the body206. For example, the indicator212can at least partially circumferentially surround the top plate202(as shown, the indicator212fully circumferentially surrounds the top plate202). The indicator212can be configured to emit optical radiation and/or allow emission of optical radiation. As an example, the indicator212can include one or more emitters configured to emit optical radiation from the charging station200. As another example, the indicator212can be made of a transparent, a semi-transparent, a light transmissible, and/or a partially light transmissible material that can allow optical radiation from one or more emitters located inside the charging station200to pass and/or partially pass through. The indicator212can be configured to indicate a status of the charging station200and/or to indicate a status of the sensor hub106when the sensor hub106is connected to the charging station200(e.g., to indicate a charge state of the battery165of the sensor hub106, such as low charge, medium charge, and/or fully charged).

With continued reference toFIGS.7A-7K, the cavity203of the charging station200can be configured to releasably mechanically receive the sensor hub106. As such, the cavity203can be shaped and sized to receive the sensor hub106. The cavity203can be disposed within and/or be defined by an opening in the top plate202, such that the cavity203extends down from the top surface of the charging station200towards the bottom of the charging station200. The cavity203can include one or more features for releasably mechanically connecting to the sensor hub106. For example, the cavity203can include stem(s)220configured to releasably mechanically connect with the sensor hub106. The stem(s)220can releasably mechanically connect with the sensor hub106similar to how the arm(s)122of the sensor dock104can connect with the sensor hub106. For example, the stem(s)220can be disposed and extend along opposite sides of the cavity203and can slidably fit the recessed portion(s)158of the sensor hub106when the sensor hub106is slid into the cavity203. In some implementations and as shown (e.g., in particular in the top view ofFIG.9C), the cavity203can have a variable contour and/or a contour on one side that is different from a contour of an opposite side (e.g., sides that do not have the stem(s)220) to ensure and/or aid in proper alignment and placement of the sensor hub106with the charging station200.

The cavity203can include one or more additional and/or alternative features for releasably electrically and mechanically connecting the sensor hub106with the charging station200. With continued reference toFIGS.7A-7K, the cavity203can include an electrical connector224configured to electrically and mechanically connect with the corresponding electrical connector151of the sensor hub106. The sensor hub106and its components, such as processor(s)106aand battery106d/165, can be operably connected to the charging station200and components thereof, including electrical connector210for receiving electrical power, when the electrical connector151of the sensor hub106is connected to the electrical connector224of the charging station200. In some implementations, the electrical connector151of the sensor hub106can be electrically and mechanically connected to the electrical connector224of the charging station200when the sensor hub106is mechanically connected to the charging station200, such as by the connection between the stem(s)220of the charging station and the recessed portion(s)158of the sensor hub106as described above. In some cases, the sensor hub106can be electrically and mechanically connected to the charging station200when it is placed inside the cavity203. The electrical connector224of the charging station200can include one or more pins, for example 8 pins as shown inFIGS.7C and7K. In some implementations, the electrical connector224can include any number of pins. In some implementations, the electrical connector224can include one or more openings configured to receive one or more pins of the corresponding electrical connector of the sensor hub106. As shown inFIGS.7C and7K, the electrical connector224can be disposed within the cavity203, for example at the bottom of the cavity203, such that it faces the sensor hub106when the sensor hub106is connected to the charging station200. In some implementations, the charging station200can include one or more features to aid in aligning the electrical connector224to the corresponding electrical connector of the sensor hub106. For example, the cavity203can include walls222adjacent the electrical connector224, the walls222configured to aid in releasably connecting the electrical connector224with the corresponding electrical connector151of the sensor hub106.

In some implementations, the charging station200includes a communication module that comprises an NFC antenna (for example, within a front side of the body206) for recognizing and/or communicating with other electronic device(s) and/or sensor(s). In some implementations, the sensor hub106can automatically pair with and/or begin electrical communication with the charging station200when the sensor hub106is mechanically and electrically coupled to the charging station200, such as by when the sensor hub106is seated within cavity203of the charging station200and the electrical connector151of the sensor hub106is operably connected with the electrical connector224of the charging station200(e.g., when the sensor hub106is docked with the charging station200). The charging station200can charge the battery165of the sensor hub106when the sensor hub106is docked with the charging station200. Further, and in some implementations, the sensor hub106can download data, such as physiological data from the subject 1, to the charging station200and/or to a server, another electronic device, the cloud, and/or a wireless or wired network via the charging station200. In some implementations, the charging station200can update software of the sensor hub106when the sensor hub106is docked with the charging station200.

In some implementations, the charging station200can be configured as an array such that it can releasably electrically and mechanically connect to more than one sensor hub106at a time. For example, the charging station200can be configured to have more than one cavity203configured to releasably electrically and mechanically connect to more than one sensor hub106. In some implementations, the charging station200can be configured as a linear array of cavities203(e.g., an array of two, three, four, or more cavities). In some cases, the charging station200can be configured as an array of cavities203with one or more “rows” and one or more “columns.” In some implementations, the charging station200can be configured to slidably receive the sensor hub106in a vertical orientation, such as shown inFIG.7A. In some implementations, the charging station200can be configured to slidably receive the sensor hub106in an orientation other than vertical, such as at an angle to the vertical, sideways, horizontally, etc.

In some implementations, the charging station200can include a battery106dconfigured as a backup battery for providing power/charge to a sensor hub106even if the power source that provides power to the charging station200is unavailable. Such a backup battery can be sized/rated and/or have a capacity to provide a partial charge, a full charge, two full charges, more than two full charges or any amount of a partial or a full charge to the sensor hub106in the case of a power outage.

FIGS.8A-8Billustrate perspective views of another implementation of a system300(which can also be referred to herein as a “wearable system,” “wearable sensor system,” or “wearable physiological sensor system”) configured to be secured to the subject's foot 2 and measure at least one physiological parameter of the subject 1. The system300can be similar or identical to the system100in some or many respects. For example, the system300can have a wearable device302, a sensor dock304, and/or a sensor hub306that are similar or identical to the wearable device102, the sensor dock104, and the sensor hub106of the system100, respectively in some or many respects. The system300can be secured to the subject's foot 2, ankle 3, heel 4, and/or lower leg 5 similar or identical to how the system100can be secured to the subject 1. Furthermore, the system300can include one or more emitters304ain an emitter package344, one or more detectors304bin a detector package346, and one or more temperature sensors304cin a temperature sensor package348that are similar or identical to the one or more emitters104ain emitter package144, the one or more detectors104bin detector package146, and the one or more temperature sensors304cin the temperature sensor package148of the system100, respectively. The system300can include any of the features or components discussed with respect toFIG.3above. The system300can wirelessly communicate with one or more separate computing device(s), which can be for example, a patient monitor10aand/or a mobile phone10b, via any of a variety of wireless communication protocols such as any of those discussed herein with respect to the system100. Furthermore, the system300can wirelessly transmit subject physiological data and/or physiological parameters to separate computing device(s) (such as patient monitor10aand/or mobile phone10b) as described herein with respect to the system100.

FIG.8Cillustrates a cross-section of the system300ofFIGS.8A-8Bsecured to the subject's foot 2. As shown, when secured to the subject's foot 2, the system300can operably position one or more emitters304aand one or more detectors304bat opposite sides of the subject's foot 2. Also shown, when secured to the subject's foot 2, the system300can operably position one or more temperature sensors304cadjacent a bottom of the subject's foot 2.

FIGS.9A-9Eillustrate various perspective views of the system300ofFIG.8A.

The system300can include the wearable device302. The wearable device302can be configured to receive and/or secure an electronic device including one or more sensors for monitoring information relating to physiological, motion, and/or location of the subject 1. For example, the wearable device can be configured to receive and/or secure a sensor component303(which may also be referred to herein as a “sensor assembly”) or a portion thereof, as described further herein. Such sensor component303can include a sensor dock304and a sensor hub306. In some implementations, the system100can include the wearable device302, the sensor dock304, and the sensor hub306. As shown inFIGS.9A-9C, the wearable device302, the sensor dock304, and the sensor hub306can form a unitary structure configured to be secured to the subject's foot.FIG.9Dillustrates the wearable device302and sensor dock304connected to one another and the sensor hub306disconnected from the wearable device302and sensor dock304.FIG.9Eillustrates an exploded view of system300, illustrating the wearable device302, sensor dock304, and sensor hub306separated from one another. Although the figures illustrate implementations of the system300in which the wearable device302, sensor dock304, and sensor hub306are removably connectable to one another, various ones of these components may be integrally formed with one another. For example, in some variants, the wearable device302and sensor dock304are integrally formed and are removably connectable to the sensor hub306. As another example, in some variants, the sensor dock304and sensor hub306are integrally formed and are removably connectable to the wearable device302. As another example, in some variants, the wearable device302, sensor dock304, and sensor hub306are integrally formed with one another. Implementations of the system300in which wearable device302is removably connectable from sensor dock304and/or sensor hub306can advantageously allow for a wearable device302of various sizes (e.g., small, medium, and large) and/or shapes to be utilized with the system300, for example, so as to accommodate various sizes and/or shapes of a subject's foot 2, ankle 3, heel 4, and/or lower leg 5. In this way, the system300can be customized to a subject 1 by selecting an appropriately configured wearable device302while allowing for all other aspects of the system300, such as the sensor dock304and sensor hub306, to remain the same and/or be universal across subjects. In some implementations the sensor dock304and the sensor hub306can advantageously be configured to removably connect from each other (e.g., so that the sensor hub306can be recharged separate of the sensor dock304). In some implementations, for example as shown inFIG.9E, the sensor dock304and the sensor hub306form the sensor component303that can be removably connected to the wearable device302.

As mentioned above,FIG.9Eillustrates an exploded view of system300. The wearable device302can have a base360and a wall362. The wall362can extend from the base360. For example, the wall362can extend from a periphery of the base360. In some implementations, the wall362can extend around a portion of a perimeter edge of the base360. The base360and the wall362can form a main body305of the wearable device302. In some implementations, the wearable device302can have a main body305and a holder370extending outward from the main body305. The main body305can include the base360, an opening371in the base360, and the wall362extending from the base360. In some implementations, the main body305additionally includes a wearable device strap366(which can also be referred to herein as an “additional strap”) configured to connect to and extend from the wall362. The base360(which can also be referred to herein as “bottom portion”) of the wearable device302can be configured to contact a bottom portion of the subject's foot 2 when the system300is in use. For example, the base360can be configured to contact a heel, an arch, a ball, and/or one or more toes of the subject's foot 2. The opening371in the base360can be configured to be positioned adjacent a bottom portion of the subject's foot 2 when the system300is in use. For example and as shown, the opening371can extend through the base360and be positioned such that it underlies the ball of the subject's foot 2 when the wearable device is secured to the subject's foot 2. The holder370extending outward from the main body305can, as shown, extend from the main body305adjacent the opening371of the base360and away from the bottom portion of the subject's foot 2 when the system300is in use. The holder370can include a cavity372configured to removably receive the sensor dock304and the sensor hub306, for example, when the sensor hub306is connected to the sensor dock304. Further, the opening371can open into the cavity372of the holder370as shown. The sensor dock304can have a main body320and a sensor strap330(also referred to herein as “strap”) connected to and extending from the main body320. The sensor strap330of the sensor dock304can operably position one or more emitters304aand one or more detectors304bof the system300and can be configured to be positioned at least partially within and extend outward from the opening371when the sensor dock304is connected to the holder370. The above and other aspects of the system300are discussed further below.

FIGS.10A-10Fillustrate various perspective views of the sensor dock304of the system300. As shown, the sensor dock304can have a main body320and a sensor strap330(which also may be referred to herein as “strap”) connected to and extending outward from the main body320. The main body320can include a base328with arm(s)322extending outward from the base328. The sensor strap330can include the one or more emitters304aand the one or more detectors304band can be configured to secure the system300to the subject's foot 2 as described further herein (for example, alone or in combination with wearable device strap366of wearable device302). The sensor strap330can be configured to receive emitter package344to operably position the one or more emitters304a. Similarly, the sensor strap330can be configured to receive detector package346to operably position the one or more detectors304b. The one or more emitters304ain emitter package344and the one or more detectors304bin detector package346can be in electrical communication with an electrical connector324of the sensor dock304via a circuit layer347disposed within the sensor strap330and a portion347cof the circuit layer347that extends from the circuit layer347in the sensor strap330to the electrical connector324(shown inFIG.10E).

The electrical connector324can be configured to releasably electrically connect the sensor dock304(and therefore the one or more emitters304aand the one or more detectors304b) to the sensor hub306. The sensor dock304can also include features for mechanically engaging/connecting with the sensor hub306. For example and as shown, the arm(s)322extending from the base328can be configured to releasably mechanically engage/connect with the sensor hub306. In some implementations, when the sensor hub306is mechanically engaged/connected with the arm(s)322of the sensor dock304, an electrical connector of the sensor hub306can releasably mechanically and electrically engage/connect with the electrical connector324of the sensor dock304.

As shown inFIGS.10A-10F, in some implementations the main body320of the sensor dock304has a length and/or a width that are greater than a height of the sensor dock304. In some implementations, the sensor dock304includes two arm(s)322. The arm(s)322of the sensor dock304can extend from the base328in the same direction so as to form a generally U-shaped structure. The arm(s)322can be generally parallel to each other, such that a gap is formed between the arm(s)322. Such a gap can be, for example, sized to accommodate the sensor hub306and/or at least a portion of the sensor hub306. In some implementations, the arm(s)322are the same length. Furthermore, the arm(s)322can mirror each other in size, shape, and other features. In some implementations, the sensor dock304can include one or more retaining features configured to engage the sensor hub306. For example, each of the arm(s)322of the sensor dock304can include a protrusion323configured to engage with the sensor hub306to allow the sensor dock304to connect to the sensor hub306. The protrusion(s)323can be disposed along an inner surface of each of the arm(s)322, such that they face towards the sensor hub306when the sensor hub306is connected to the sensor dock304. The arm(s)322and the protrusion(s)323of the sensor dock304can be configured similar or the same as the arm(s)122and the protrusion(s)123of the sensor dock104. Furthermore, the sensor dock304, including the arm(s)322and the protrusion(s)323, can interact with the sensor hub306, which can be similar or the same as the sensor hub106, similar or the same as how the sensor dock104can interact and/or connect with the sensor hub106as described herein.

As discussed above and as shown inFIGS.10A-10B, the sensor dock304can include an electrical connector324. The electrical connector324can be configured to releasably electrically and mechanically connect to a corresponding electrical connector of the sensor hub306, such that when connected to each other, the sensor hub306is placed in electrical communication with the one or more emitters304aand the one or more detectors304bof the system300. The electrical connector324can be disposed at an inner portion of the base328of the sensor dock304, such that it faces the sensor hub306when the sensor hub306is connected to the sensor dock304. In some implementations, the sensor dock304can include one or more features to aid in aligning the electrical connector324to the corresponding electrical connector of the sensor hub306. For example, the sensor dock304can include walls326positioned adjacent the electrical connector324, and the walls326can be configured to aid in releasably connecting the electrical connector324with the corresponding electrical connector of the sensor hub306. The releasable electrical connection between the sensor dock304and the sensor hub306can be the similar or the same as the releasable electrical connection between the sensor dock104and the sensor hub106as described herein.

The base328of the sensor dock304can include a top portion328aand a bottom portion328b(shown, for example, inFIG.10F) that can be integrally formed (or alternatively, separable from one another). The top portion328acan include the electrical connector324and the walls326, and the bottom portion328bcan include the arm(s)322. The main body320of the sensor dock304can be configured to connect to the holder370of the wearable device302. For example, the main body320of the sensor dock304including the base328and arm(s)322can be sized and/or shaped to fit within at least a portion of the cavity372of the holder370.

The sensor dock304can include one or more features for aiding in gripping and/or holding the sensor dock304, such as for gripping and/or holding the sensor dock304when connecting and/or disconnecting sensor hub306to the sensor dock304. For example, the sensor dock304can include one or more ribs325disposed on a portion of the base328(e.g., the bottom portion328b) of the sensor dock304, the ribs325configured to aid in gripping and/or holding the sensor dock304. The ribs325can be similar or the same as the ribs125of the sensor dock104. Alternatively, or in addition, in some implementations the sensor dock304can include other features configured to aid in gripping and/or holding the sensor dock304, such as bumps, a roughened surface texture, etc.

As discussed above and as shown inFIGS.10A-10F, the sensor dock104can include the sensor strap330that connects to and extends outward from the main body320of the sensor dock304. As shown and in some implementations, the sensor strap330connects to a top of the main body320of the sensor dock304such that the sensor strap330is raised (e.g., forms a raised surface) relative to the rest of the sensor dock304. Furthermore, the sensor strap130can be disposed at an end of the main body320adjacent the electrical connector324. Additionally, the sensor strap330can extend from the main body320in a direction substantially perpendicular to the arm(s)322of the sensor dock304. The sensor strap130can be configured to fit within and extend from the opening371in the wearable device302when the main body320of the sensor dock304is connected to the holder370of the wearable device302(for example, when the main body320of the sensor dock304is disposed within the cavity372of the holder370). A portion of the sensor strap330that fits within the opening371can be configured to form a substantially flush surface (e.g., a substantially coplanar surface) with the base360of the wearable device302for receiving a bottom portion of the subject's foot 2. Additionally, a portion of the sensor strap330that extends from the opening371can be configured to wrap around at least a portion of the subject's foot and secure the wearable device302to the subject's foot 2.

Strap330can include a sensor section341and a securement section331as shown inFIGS.10A and10C. The sensor section341can connect to and extend outward from the main body320of the sensor dock304, while the securement section331can be disposed at an end337of the sensor strap330opposite the sensor section341. The securement section331can include one or more features for securing the system300to the subject's foot 2. For example and as shown, the securement section331can include loop(s)333and/or hook(s)335that can interact with one or more features of the wearable device302and/or each other as described later herein for securing the system300to the subject's foot 2, although other methods of securement can be used. In some implementations, at least a portion of the strap330is stretchable. For example, at least a portion of the sensor section341and/or at least a portion of the securement section331can be configured to be stretchable. In some implementations, the sensor section341is more stretchable than the securement section331. In some implementations, the sensor section341and the securement section331can be configured to releasably connect with each other. For example, the sensor section341can include a connector338and the securement section331can include a connector339each configured to releasably connect with each other. Details of the connectors338and339are discussed further with respect toFIGS.11H-11Ilater herein. In some variants, the sensor section341and the securement section331form a unitary strap330.

FIGS.10C-10Fillustrate perspective views of the sensor dock304that progressively show the various aspects, components, and/or features that the sensor dock304, in particular the sensor strap330, can include. As shown inFIG.10D, the sensor strap330can include a cover343(which is shown as transparent so some of the internal aspects of the sensor strap341can be seen, and which may also be referred to as a “cover plate”) configured to cover the electrical circuitry of the sensor strap330, such as the circuit layer347. The cover343can fit into a recess of the sensor strap130, such that the cover343and the surface of the sensor strap330adjacent the cover343form a substantially flush surface. The cover343can include openings configured to overlie the one or more detectors304bin detector package346and the one or more emitters304ain emitter package344similar or the same as the openings143aand143bof the cover143described herein. In some implementations, such openings are covered by transparent material (for example, to prevent ingress of liquid therethrough. However, in alternative implementations, such openings are not covered. As shown inFIG.10E(in which aspects of the sensor strap341have been removed from view), in addition to the cover343, the sensor strap330can include a stiffener345configured to increase the stiffness of a portion of the sensor strap330that is positioned within the opening371of the wearable device302when the sensor dock304is connected to the holder370. The stiffener345can be disposed below the cover343and can include an opening345aconfigured to allow optical radiation to pass through (e.g., so as not to block optical radiation from being emitted by the one or more emitters304aor optical radiation from being received by the one or more detectors304b). Also shown inFIG.10Eis the circuit layer347, which can be disposed below the cover343and the stiffener345and positioned within the sensor strap330. As mentioned above, the circuit layer347can electrically connect the one or more emitters304ain emitter package344and the one or more detectors304bin detector package346to the electrical connector324of the sensor dock304. In some implementations, the circuit layer347also electrically connects the one or more temperature sensors304c(which can be disposed in temperature sensor package348) of the sensor dock304to the electrical connector324. The circuit layer347can be configured as a flexible circuit that can bend freely with the sensor strap330. Similar to the openings in the cover343, the circuit layer347can include an opening347aand an opening347bconfigured to overlie the one or more detectors304band one or more emitters304a, respectively, and allow optical radiation to be received and/or emitted therethrough.

With continued reference toFIG.10E, shown are the emitter package344, the detector package346, and the one or more temperature sensors304cin a temperature sensor package348of the sensor strap330. The one or more emitters304ain emitter package344can be positioned within a first portion of the sensor strap330that is outside of and/or spaced away from the opening371of the wearable device302when the sensor dock304is connected to the holder370. The one or more detectors304bin detector package346and the one or more temperature sensors304cin temperature sensor package348can be positioned within a second portion of the sensor strap330that can be positioned within the opening371of the wearable device302when the sensor dock304is connected to the holder370. The one or more temperature sensors304cin temperature sensor package348can be positioned proximate to but spaced from the one or more detectors304bin detector package346. The sensor section341of the sensor strap330can include both of such first portion and second portion described above.

The one or more emitters304ain emitter package344can be aligned with, for example vertically aligned, and/or aimed towards the one or more detectors304bin detector package346when the sensor strap330is wrapped around a top portion of the subject's foot 2 (for example, as shown inFIG.8C). The temperature sensor(s)304cin temperature sensor package348can be horizontally aligned with the detector package346and not vertically aligned with the emitter package344when the sensor strap330is wrapped around the top portion of the subject's foot 2 (also shown inFIG.8C). In such positions and with the sensor strap330wrapped around the top portion of the subject's foot 2, the emitter package344can be operably positioned against and/or adjacent to tissue of the top of the subject's foot 2, and the detector package346and temperature sensor package348can be operably positioned against and/or adjacent to tissue of the bottom of the subject's foot 2 (e.g., tissue of the ball of the subject's foot 2). Thus, the detector package346can be operably positioned by the sensor strap330such that optical radiation emitted from the emitter package344can pass through and/or be attenuated by the tissue of the subject's foot 2 before being detected by the detector package346. In some implementations, the locations of the one or more emitters304ain emitter package344and the one or more detectors304bin detector package346can be switched. In such implementations, and with the sensor strap330wrapped around the top portion of the subject's foot 2, the detector package346can be operably positioned against and/or adjacent to tissue of the top of the subject's foot 2, and the emitter package344can be operably positioned against and/or adjacent to tissue of the bottom of the subject's foot 2 (e.g., tissue of the ball of the subject's foot 2).

With continued reference toFIG.10E, the sensor strap330can also include a detector shield332. The detector shield332can at least partially enclose and/or surround the detector package346comprising the one or more detectors304b. The detector shield332can be configured to inhibit, prevent, and/or reduce ambient light, stray light, and/or light emitted from the emitter package344that does not pass through tissue from being received by the detector package346, which can advantageously improve the integrity of physiological parameter determination. Additionally, or alternatively, detector shield332can shield the detector package346against and/or with respect to electromagnetic noise. For example, in some implementations, the detector shield332can act as a Faraday cage or a shield to block electromagnetic fields. The sensor strap330can also include optical transmission material configured to direct optical radiation toward the detector package346after passing through tissue of the subject's foot 2. In some cases, the optical transmission material can include a lens. In some cases, the optical transmission material can include a diffuser configured to diffuse, spread out, disseminate, and/or scatter optical radiation attenuated by tissue prior to being received by the detector package346. The optical transmission material can form a part of the detector package346, or it can be configured to be positioned between the detector package346and tissue of the subject 1 when the system300is secured to the subject 1. In some implementations, the optical transmission material is disposed within the opening of the cover343overlying the detector package346. Similarly, the sensor strap330can include optical transmission material configured to focus or diffuse optical radiation emitted from the emitter package344. In some cases, the optical transmission material can include a lens. In some cases, the optical transmission material can include a diffuser configured to diffuse, spread out, disseminate, and/or scatter optical radiation emitted from the emitter package344prior to such optical radiation entering the subject's tissue. In some cases, this can permit optical radiation emitted from the emitter package344to pass through a greater amount of tissue and can facilitate more accurate determination of physiological parameters (such as any of those discussed herein). The optical transmission material can form a part of the emitter package344, or it can be configured to be positioned between the emitter package344and tissue of the subject 1 when the system300is secured to the subject 1. In some implementations, the optical transmission material is disposed within the opening of the cover343overlying the emitter package344.

Advantageously, at least a portion of the sensor strap330can be made of a pliable material. For example, at least a portion of the sensor strap330can be made of silicone, such as a medical grade and/or biocompatible silicone, a thermoplastic elastomer, such as a medical grade and/or biocompatible thermoplastic elastomer, and/or any biocompatible material and/or polymer that is pliable, flexible, stretchy, soft, and/or conformable. A pliable sensor strap330can advantageously position the emitter package344and the detector package346close to, against, and or adjacent to a portion of the subject's body, such as the tissue of the subject's foot 2, for optimal function of the system300. For example, by conforming to the subject's foot 2, the sensor strap330can optimally position the emitter package344against, adjacent, and/or near to the subject's foot 2 such that optical radiation emitted from the emitter package344is directed to/through the subject's foot 2. By way of another example, by the sensor strap330conforming to the subject's foot 2, ambient and/or stray optical radiation and/or optical radiation not produced/emitted by the emitter package344can be reduced, eliminated, and/or prevented from being received by the detector package346. Furthermore, a pliable sensor strap330can advantageously improve comfort for the subject 1 when the system300is secured to and/or worn by the subject 1. In some implementations, the sensor strap330and/or portions thereof can be rigid or semi-rigid. In some cases, the sensor strap330can be a composite material and/or a composite of rigid, semi-rigid, and/or pliable/conforming material.

In some implementations, the sensor strap330can be configured to inhibit, prevent, and/or reduce an amount of ambient light, stray light, and/or any optical radiation not emitted from the emitter package344from reaching the detector package346. Additionally, or alternatively, the sensor strap330can be configured to inhibit, prevent, and/or reduce an amount of optical radiation emitted by the emitter package344that has not been attenuated by, reflected by, and/or passed through tissue of the subject from being received by the detector package346. In some cases, the sensor strap330can be opaque and/or generally light blocking and/or have a light blocking coating. In some implementations, sensor strap330can be semi-transparent or transparent. In some implementations, the sensor strap330can include portions that are opaque and/or light blocking and portions that are semi-transparent and/or transparent.

FIGS.11A-11Eillustrate perspective views of the wearable device302of the system300ofFIGS.8A-8Bin accordance with some implementations of this disclosure. The wearable device302can be configured to receive and support the foot 2, ankle 3, heel 4, and/or lower leg 5 of the subject 1. Furthermore, the wearable device302can be made of a resilient material, similar or the same as the wearable device102described herein. As discussed with respect toFIG.9E, the wearable device302can have a main body305including the base360, the opening371in the base360, and the wall362extending from the base360. Also discussed and in some implementations, the main body305additionally includes the wearable device strap366configured to connect to and extend from the wall362. As shown inFIGS.11A-11E, the wall362of the wearable device302can extend upward from a periphery of the base360and include a side portion362a(which can also be referred to herein as a “sidewall portion”), a back portion362b(which can also be referred to herein as a “back wall portion”), and a side portion362c(which can also be referred to herein as a “sidewall portion”) configured to wrap around and support portions of the subject's foot 2, such as side(s) of the subject's foot 2, the subject's ankle 3, the subject's heel 4, and/or the subject's lower leg 5. The wall362can be discontinuous such that it does not enclose the complete periphery of the base360, leaving space for the sensor strap330to extend from the opening371in the base360. Furthermore, the wall362can be discontinuous such that the toes of the subject's foot 2 are not enclosed. The wall362can have a variable height as it extends upward from the base. For example and as shown inFIGS.11A-11E, the wall362can have a maximum height at the back portion362bso as to surround and support the subject's heel 4, and a reduced height at side portions362aand362c. In some implementations, the main body305of the wearable device302can include a plurality of hole(s)364for venting and/or for tuning the resilience of the wearable device302. For example, the wall362and/or the base360can have a plurality of hole(s)364therethrough. Furthermore and in some implementations, the main body305of the wearable device302can include an opening361located in the back portion362bof the wall362. The opening361can be configured to allow the wearable device302to adapt to the heel 4 of the subject's foot 2.

With continued reference toFIGS.11A-11E, the wearable device302can also include one or more features for securing to the subject's foot 2. For example and as shown, the main body305of the wearable device302can include the wearable device strap366mentioned previously that can connect to and extend outward from the wall362, as well as a strap slot363aconfigured to interact with wearable device strap366. The wearable device strap366can be configured to wrap over a portion of the subject's foot 2, ankle 3, and/or lower leg 5, have its end369placed through the strap slot363a(which can also be referred to herein as an “opening”), and secure back upon itself via the interaction between hook(s)367and loop(s)368of the wearable device strap366. The wearable device strap366can connect to and extend from side portion362aof the wall362at a location adjacent where the wearable device302would receive the subject's ankle 3 if secured to the subject 1. Further, the wearable device strap366can connect to and extend from the side portion362aat an acute angle with respect to the base360when viewed from a side of the wearable device302. The strap slot363acan comprise a slot through the side portion362cof the wall362(e.g., a side of the wall362opposite from where from the wearable device strap366connect and extends from) configured to receive the wearable device strap366therethrough. In some implementations, the wearable device strap366can be configured to releasably connect with the wall362. For example, the wearable device strap366can include a connector376and the wall362(e.g., side portion362a) can include a connector375each configured to releasably connect with each other. Details of the connectors376and375are discussed further with respect toFIGS.11F-11Glater herein. In some implementations, the wearable device strap366is integrally formed with the wearable device302.

The main body305of the wearable device302can also include one or more features for releasably securing to the sensor strap330when the sensor dock304is connected to the holder370. For example and as shown, the base360can include a portion adjacent the opening371that extends out beyond where the bottom of the subject's foot 2 is received when the system300is worn that includes a strap slot363b(which can be the same as or similar to the strap slot363a, and which can also be referred to herein as an “opening”) that can interact with the sensor strap330similar to or the same as how the strap slot363ainteracts with wearable device strap366. To customize the fit of the system300to the subject's foot 2, the wearable device strap366and/or the sensor strap330can be wrapped over the subject's foot 2, the ends369and337of the straps placed through strap slots363aand363b, and the ends369and337secured back upon themselves via the interaction between hook(s)367and335and loop(s)368and333, respectively. In some implementations, the portion of the base360comprising the strap slot363bcan deform when the sensor strap330is secured to the strap slot363b, such as shown inFIGS.8A-8B(e.g., it can bend and/or fold against the foot 2).

FIGS.11F-11Gillustrate perspective views of connector375of the wearable device strap366and connector376of the wall362of the system300in accordance with some implementations of this disclosure. As shown, the connector375can be in the form of an elongate cylinder with enclosed rounded ends and protrude lengthwise from the wall362(e.g., side portion362aof wall362). The connector376can be in the form of an elongate cylinder with an open end, a closed end, and an open side disposed at an end of the wearable device strap opposite end369and configured to slidably and releasably connect over the connector375. To aid in securing the connectors375and376together, the connector375can include a ramp-like protrusion375aconfigured to fit within a corresponding opening376ain the connector376. In some implementations, the connectors375and376can be swapped (e.g., the connector375can be positioned on the wearable device strap366and the connector376can be positioned on the wall362). Alternatively, the connectors375and376can be omitted and the wearable device strap366can extend from the wall362(e.g., similar to wearable device strap166).

FIGS.11H-11Iillustrate perspective views of connectors338and339of the sensor strap330of the system300in accordance with some implementations of this disclosure. As shown, the connector338can be in the form of an elongate cylinder with enclosed rounded ends and protrude lengthwise from an end of the sensor section341opposite of where the sensor section341connects to the main body of the sensor dock304. The connector339can be in the form of an elongate cylinder with an open end, a closed end, and an open side disposed at the end of the securement section opposite the end337and configured to slidably and releasably connect over the connector338. To aid in securing the connectors338and339together, the connector338can include a ramp-like protrusion338aconfigured to fit within a corresponding opening339ain the connector339. In some implementations, the connectors338and339can be swapped (e.g., the connector338can be positioned on the securement section331and the connector339can be positioned on the sensor section341of the sensor strap330). Alternatively, the connectors338and339can be omitted and the securement section331can extend from the sensor section341as a unitary body (e.g., similar to sensor strap130).

FIGS.12A-12Billustrate perspective views of another implementation of a system400(which can also be referred to herein as a “wearable system,” “wearable sensor system,” or “wearable physiological sensor system”) configured to be secured to the subject's foot 2 and measure at least one physiological parameter of the subject 1. The system400can have similar and/or the same features, aspects, functionality, and/or components as any of the systems described herein, such as systems100,300and/or any variants thereof. For example, the system400can have a wearable device402configured the same as or similar to the wearable device102and/or the wearable device302in some or many respects. As another example, the system400can include a sensor hub404and a sensor strap430, which can be referred to as a sensor component403, configured similar to the sensor component103and/or the sensor hub106, sensor dock104, and sensor strap130, and/or configured similar to the sensor component303and/or the sensor hub306, sensor dock304, and sensor strap330(e.g., the sensor hub404and the sensor strap430can combine any and/or all aspects of the sensor hubs106,306, sensor docks104,304, and sensor straps130,330, and/or sensor assemblies103,303). In contrast to the separate sensor docks104,304and sensor hubs106,306, in this implementation the system400can include the sensor hub404with sensor strap430, and the sensor hub404and the sensor strap430can include any of the functionality described with respect to the sensor assemblies103and303of systems100and300. The system400can be secured to the subject's foot 2, ankle 3, heel 4, and/or lower leg 5 similar or identical to how the systems100,300can be secured to the subject 1. Furthermore, the system400can include one or more emitters404ain an emitter package, one or more detectors404bin a detector package, and one or more temperature sensors404cin a temperature sensor package that are similar or identical to the one or more emitters104a,304ain emitter packages144,344, the one or more detectors104b,304bin detector packages146,346, and the one or more temperature sensors104c,304cin the temperature sensor packages148,348of the systems100,300, respectively. The system400can include any of the features or components discussed with respect toFIG.3above. The system400can wirelessly communicate with one or more separate device(s), which can be for example, a patient monitor10a, a mobile phone10b, a camera, a hub, or any other separate device(s) described herein via any of a variety of wireless communication protocols such as any of those discussed herein with respect to the systems100,300. Furthermore, the system400can wirelessly transmit subject physiological data and/or physiological parameters to separate device(s) (such as patient monitor10a, mobile phone10b, a camera, a hub, or other separate device(s)) as described herein with respect to the systems100,300.

FIG.12Cillustrates a cross-section of the system400ofFIGS.12A-12Bsecured to the subject's foot 2. As shown, when secured to the subject's foot 2, the system400can operably position one or more emitters404aand one or more detectors404bat generally opposite sides of the subject's foot 2. For example, the system400can position the one or more emitters404aand the one or more detectors404bsuch that at least some of the optical radiation emitted by the one or more emitters404apasses through tissue of the subject 1 before being detected by the one or more detectors404b. The system400can position the one or more emitters404aadjacent a top and/or adjacent a side of the subject's foot 2 and the one or more detectors404badjacent a bottom of the subject's foot 2. In other words, the one or more emitters404aand the one or more detectors404bdo not need to be vertically aligned with one another and on different sides of the subject's foot in order for the system400to operate. In some implementations, the positioning of the one or more emitters404aand the one or more detectors404bcan be reversed. In some implementations, at least a portion of the sensor strap430and/or at least a portion of the sensor hub404operably positions the one or more emitters404aand/or the one or more detectors404bas described. In some implementations, at least a portion of the sensor component403operably positions the one or more emitters404aand/or the one or more detectors404bas described. Also shown inFIG.12C, the system400can operably position a thermally conductive probe445bconfigured to transmit thermal energy adjacent a bottom of the subject's foot (e.g., such that it contacts skin of the subject 1) to transmit thermal energy from the bottom of the subject's foot toward the temperature sensor404c.

FIGS.13A-13Eillustrate various perspective views of the system400ofFIGS.12A-12B. The system400can include the wearable device402. The wearable device402can be configured to receive and/or secure an electronic device including one or more sensors for monitoring information relating to physiological, motion, and/or location of the subject 1. For example, the wearable device can be configured to receive and/or secure the sensor component403(which may also be referred to herein as a “sensor assembly”) or a portion thereof, as described further herein. Such sensor component403can include the sensor hub404and the sensor strap430. In some implementations, the system400can include the wearable device402, the sensor hub404and the sensor strap430. As shown inFIGS.13A-13C, the wearable device402and the sensor component403can form a unitary structure configured to be secured to the subject's foot.FIG.13Dillustrates the sensor component403disconnected from the wearable device402. FIG.13E illustrates an exploded view of system400. The wearable device402can have a wearable device strap466configured the same or similar to the wearable device strap366of the wearable device302, and as shown inFIG.13E, the wearable device strap466can be removably connectable to the wearable device402(although in some implementations, the wearable device strap466can be integrally formed with the wearable device402). Also shown inFIG.13E, the sensor component403can include the sensor hub404and the sensor strap430, with at least a portion of the sensor strap (e.g., a securement section) configured to be removably connectable thereto. Although the figures illustrate implementations of the system400in which the wearable device402and the sensor hub404and the sensor strap430are removably connectable to one another (or, in other words, where the wearable device402and the sensor component403are removably connectable to one another), various ones of these components may be integrally formed with one another. For example, in some variants, the wearable device402and sensor hub404are integrally formed and are removably connectable to the sensor strap430or at least a portion thereof. As another example, in some variants, the sensor hub404and the sensor strap430are integrally formed and are removably connectable to the wearable device402. As another example, in some variants, the wearable device402, the sensor hub404, and sensor strap430are integrally formed with one another (or, in other words, the wearable device402and the sensor component403are integrally formed with one another). Implementations of the system400in which wearable device402is removably connectable from sensor hub404and/or sensor strap430can advantageously allow for a wearable device402of various sizes (e.g., small, medium, and large) and/or shapes to be utilized with the system400, for example, so as to accommodate various sizes and/or shapes of a subject's foot 2, ankle 3, heel 4, and/or lower leg 5. In this way, the system400can be customized to a subject 1 by selecting an appropriately configured wearable device402while allowing for all other aspects of the system400, such as the sensor hub404and sensor strap430or sensor component403, to remain the same and/or be universal across subjects. In some implementations, for example as shown inFIG.13E, the sensor hub404and the sensor strap430form the sensor component403that can be removably connected to the wearable device402. In some implementations, at least a portion of the sensor strap430(e.g., a securement portion) and/or the wearable device strap466can come in various sizes and/or lengths (e.g., small, medium, large) to advantageously provide a customized fit with any of the various sizes of the wearable device402.

FIGS.14A-14Gillustrate various perspective views of the sensor component403of the system400and/or components/aspects thereof. As shown, the sensor component403can include a sensor hub404having a main body420and a sensor strap430(which also may be referred to herein as “strap”) connected to and extending outward from the main body420. The main body420can include a generally rounded rectangular housing having a top, sides, and a bottom. In some implementations, the main body420of the sensor hub404has a length and/or a width that are greater than a height of the sensor hub404. The sensor strap430can include the one or more emitters404aand/or the one or more detectors404band can be configured to secure the system400to the subject's foot 2 as described herein (for example, alone or in combination with wearable device strap466of wearable device402). The sensor strap430can be the same or similar, or include any of the functionality and/or features of the sensor straps130and/or330described herein. The sensor strap430can be configured to operably position the one or more emitters404a. Similarly, the sensor strap430can be configured to operably position the one or more detectors404b. In some implementations, the sensor hub403is configured to operably position the one or more detectors404b. Furthermore, in some implementations wherein the one or more detectors404bare positioned by the sensor strap430(not shown), the one or more emitters404acan be operably positioned by the sensor hub404. The one or more emitters404aand the one or more detectors404bcan be in electrical communication with one or more processors of the sensor hub404via a circuit layer447disposed at least partially within the sensor strap430and at least partially within the sensor hub404(for example, as shown inFIG.14E). The sensor strap430can have a top that sits substantially flush (e.g., substantially coplanar) with the main body420(e.g., with the top of the main body420) of the sensor hub404. Additionally, the sensor strap430can extend from the main body420in a direction substantially perpendicular to the main body420.

The sensor hub404can include an electrical connector424configured to releasably connect to a charger499to provide power to the sensor hub404and/or the sensor strap430(e.g., the sensory assembly403) and any rechargeable batteries therein. In some implementations, the charger499can releasably connect to the electrical connector424of the sensor hub404with the aid of one or more magnets. In some implementations (not shown), the charger499can connect to an electrical port of the sensor hub404(e.g., a micro USB-C port or similar). The electrical connector424can be disposed at the bottom of the sensor hub404. The sensor hub404can also include a status indicator425configured to indicate a status of the sensor hub404, of the sensor strap430, and/or the sensor component403. The status indicator425can be disposed at the bottom of the sensor hub404and can be configured similar or the same as any of the status indicators described herein.

Strap430can include a sensor section441and a securement section431as shown in at leastFIGS.14A-14C. The sensor section441and the securement section431can be similar to or the same as the sensor section341and the securement section331of the sensor strap330described herein. The sensor section441can connect to and extend outward from the main body420of the sensor hub404, while the securement section431can be disposed at an end of the sensor strap430opposite the sensor section441. The securement section431can include one or more features for securing the system400to the subject's foot 2, similar or the same as the securement section331of the sensor strap330. In some implementations, the sensor section441and the securement section431can be configured to releasably connect with each other, for example, via connectors438,439which can be similar or identical to connectors338,339as described elsewhere herein. In some implementations, at least a portion of the strap530is stretchable. For example, at least a portion of the sensor section541and/or at least a portion of the securement section531can be configured to be stretchable. In some implementations, the sensor section541is more stretchable than the securement section531.

FIGS.14D-14Gillustrate perspective views of the sensor hub404and sensor strap430that progressively show the various aspects, components, and/or features that the sensor hub404and sensor strap430can include. The sensor hub404and sensor strap430can include any or all of the features and/or functionality of the sensor hub306, sensor dock304, and sensor strap330described herein. As shown inFIG.14D, the sensor hub440and the sensor strap430can include a cover443(which may also be referred to as a “cover plate”) configured to cover at least some of the electrical circuitry of the sensor hub404and the sensor strap430, such as the circuit layer447. The cover443can be similar or the same as the cover343described herein. The cover443can fit into a recess of the sensor hub404and the sensor strap430, such that the cover443and the surface of the sensor hub404and the sensor strap430adjacent the cover443form a substantially flush surface. The cover443can include openings configured to overlie the one or more detectors404band the one or more emitters404asimilar or the same as the openings143a,343aand143b,343bof the covers143,343described herein. In some implementations, such openings are covered by transparent material (for example, to prevent ingress of liquid therethrough. However, in alternative implementations, such openings are not covered. As shown inFIG.14E(in which aspects of the sensor strap441have been removed from view), in addition to the cover443, the sensor hub404and/or strap430can include a stiffener445(which may be a plate made of metal, for example) configured to increase the stiffness of a portion of the sensor hub404and/or strap430that is positioned adjacent a bottom of the subject's foot when the sensor hub404is connected to the wearable device402. The stiffener445can be disposed below the cover443and can include an opening445aconfigured to allow optical radiation to pass through (e.g., so as not to block optical radiation from being emitted by the one or more emitters404aor optical radiation from being received by the one or more detectors404b). As shown, the stiffener445bcan include the thermally conductive probe445bdescribed above configured to transmit thermal energy from the bottom of the subject's foot toward temperature sensor404c. The thermally conductive probe445bcan configured as a rounded protrusion that protrudes up from the stiffener445and at least partially through an opening443cof the cover443. In some implementations, the thermally conductive probe445bis configured to contact the bottom of the subject's foot (e.g., skin of the subject) when the system400is in use. In some implementations, the thermally conductive probe445bis formed in the stiffener445. To aid in its thermal conductivity, the thermally conductive probe445b(and the stiffener445) can be made of a conductive material, such as stainless steel (e.g., 430 SS). Furthermore, the stiffener445can include one or more slits445cpositioned adjacent the thermally conductive probe445bconfigured to thermally isolate the thermally conductive probe445band/or a portion of the stiffener445from other portions of the stiffener445to aid in transmitting thermal energy from the bottom of the subject's foot toward temperature sensor404c. As shown, the stiffener445can include two slits445coriented substantially perpendicular to one another to effectively thermally isolate the thermally conductive probe445b. In some variants, sensor hub404includes a thermally conductive probe (for example, similar to probe445b), but: does not include stiffener445; and/or such probe does not extend from stiffener445. In such variants, such probe can still direct thermal energy towards temperature sensor404c.

Also shown inFIG.14Eis the circuit layer447, which can be disposed below the cover443and the stiffener445and positioned at least partially within the sensor hub404and/or at least partially within the sensor strap430. As mentioned above, the circuit layer447can electrically connect the one or more emitters404aand the one or more detectors404bto the various other electrical components of the sensor hub404(e.g., one or more processors of the sensor hub404). In some implementations, the circuit layer447also electrically connects temperature sensor404cof the sensor dock404to the various other electrical components of the sensor hub404. The circuit layer447can be configured as a flexible circuit that can bend freely with the sensor strap430. In some implementations, the circuit layer447can have a length that is greater than a distance between where the circuit layer447electrically connects to the one or more emitters404aand the one or more detectors404b. For example, the circuit layer447can include one or more bends (e.g., can be serpentine). As shown in at leastFIG.14E, the circuit layer447can include a portion453configured to electrically connect to the one or more emitters404a, a portion451configured to electrically connect to the one or more detectors404b, and a portion452comprising at least one bend spanning between the portions453and451. The portion453can be positioned within a recess455of the sensor strap430. At least a portion of the portion452can be positioned within a recess454of the sensor strap430. The portion451can be positioned within the sensor hub404. Thus, at least a portion of the circuit447can be positioned within the sensor strap430and at least a portion of the circuit447can be positioned within the sensor hub404. Similar to the openings in the cover443, the circuit layer447can include an opening447aand an opening447bconfigured to overlie the one or more detectors404band one or more emitters404a, respectively, and allow optical radiation to be received and/or emitted therethrough. Further shown, an adhesive layer449can be disposed between the stiffener445and the circuit layer447to join each to one another, the adhesive layer comprising an opening449asimilar to the openings445aand447a. With reference toFIG.14F, in some implementations, circuit layer447can be positioned between thermally conductive probe445b(and stiffener445) and temperature sensor404c.

FIG.14Gshows a view of the sensor hub404with a portion of its main body420and portions of the sensor strap430removed from view. In this view, the temperature sensor404dcan be seen positioned away from the thermally conductive probe445band the temperature sensor404c(whose relative positions are best shown in the cross-sectional view ofFIG.14F). The temperature sensor404dcan be configured to measure an ambient temperature of the environment, while the temperature sensor404ccan be configured to measure a body temperature of the subject 1 via thermally conductive probe445bwhen the system400is in use. In some implementations, the temperature sensor404dand the temperature sensor404ccan be used in combination to determine at least a body temperature of the subject 1, similar or identical to the temperature sensors described and/or illustrated in U.S. Pat. Pub. No. 2021/0290072, titled “Wearable Device for Noninvasive Body Temperature Measurement,” which is hereby incorporated by reference in its entirety and for all purposes. For example, a difference in temperature measured via temperature sensor404cand via temperature sensor404dcan be used in the determination of a body temperature of the subject. Furthermore, the system400can include and/or incorporate any of the methods of determining temperature of a subject described in U.S. Pat. App. No. U.S. Ser. No. 17/206,907.

As thermal energy is transmitted to the temperature sensor404c(e.g., via the thermally conductive probe445b), the temperature sensor404ccan determine a body temperature of the subject and/or can generate and transmit one or more signals responsive to the thermal energy to one or more processors of the sensor hub404. The temperature sensor404ccan be or include a thermocouple and/or a thermistor, for example. The temperature sensor404ccan be a chip that is electrically and mechanically coupled with the circuit layer447. The temperature sensor404ccan be configured to generate one or more signals responsive to detected thermal energy, determine body temperature, and/or transmit such generated one or more signals and/or such determined body temperature to the one or more processors of the sensor hub404continuously and/or intermittently. For example, temperature sensor404ccan be configured to generate one or more signals responsive to detected thermal energy, determine body temperature, and/or transmit such generated one or more signals and/or such determined body temperature every 0.5 seconds, 1 second, 2 second, 3 seconds, 4 seconds, 5 seconds, 10 seconds, 30 seconds, 1 minute, 2 minute, 3 minutes, 4 minutes, 5 minutes, or at other intervals.

The temperature sensor404dcan be configured to generate one or more signals responsive to detected thermal energy, determine temperature, and/or transmit such generated one or more signals and/or such determined temperature to the one or more processors of the sensor hub404continuously and/or intermittently. For example, temperature sensor404dcan be configured to generate one or more signals responsive to detected thermal energy, determine temperature, and/or transmit such generated one or more signals and/or such determined temperature every 0.5 seconds, 1 second, 2 second, 3 seconds, 4 seconds, 5 seconds, 10 seconds, 30 seconds, 1 minute, 2 minute, 3 minutes, 4 minutes, 5 minutes, or at other intervals. Such generated one or more signals, determined temperature, and/or transmission of such generated one or more signals and/or determined temperature can be simultaneous or non-simultaneous with the generated one or more signals, determined body temperature, and/or transmitted one or more signals and/or determined body temperature from temperature sensor404c.

Advantageously, incorporating both of temperature sensors404c,404dcan allow the sensor hub404to more accurately determine a body temperature of the subject. For example, the one or more processors of the sensor hub404can utilize temperature data from the temperature sensor404din order to adjust or “correct” temperature data received from the temperature sensor404cin order to more accurately determine the subject's body temperature. For example, the one or more processors of the sensor hub404can compare temperature data received from both of the temperature sensors404c,404dand determine a corrected body temperature based on such comparison. The one or more processors can apply weight factors to one or both of temperature data received from temperature sensors404c,404dand/or otherwise compare such received data to determine a corrected body temperature.

FIGS.15A-15Eillustrate perspective views of the wearable device402of the system400ofFIGS.12A-12Bin accordance with some implementations of this disclosure. The wearable device402can be configured to receive and support the foot 2, ankle 3, heel 4, and/or lower leg 5 of the subject 1. The wearable device402can be similar to and include any of the features, functionality, and/or components as the wearable devices102,302described herein. For example, the wearable device402can be made of a resilient and/or flexible material, similar or the same as the wearable devices102,302described herein. The wearable device402can have a base460and a wall462. The wall462can extend from the base460. For example, the wall462can extend from a periphery of the base460. In some implementations, the wall462can extend around a portion of a perimeter edge of the base460. The base460and the wall462can form a main body405of the wearable device402. In some implementations, the wearable device402can have a main body405including the base460, an opening471in the base460defining a cavity472, and the wall462extending from the base460. In some implementations, the main body405additionally includes the wearable device strap466(which can also be referred to herein as an “additional strap”) configured to connect to (e.g., releasably connect to) and extend from the wall462. In some implementations, the system400only includes strap430and does not include any other straps (e.g., does not include wearable device strap466). Furthermore, in some implementations, the system400only includes strap430and does not include any other straps (e.g., does not include strap section431) and such strap430is configured to be secured to a portion of the wearable device402.

The base460(which can also be referred to herein as “bottom portion”) of the wearable device402can be configured to contact at least a portion of the bottom portion of the subject's foot 2 when the system400is in use. For example, the base460can be configured to contact a heel, an arch, a ball, and/or one or more toes of the subject's foot 2. The opening471in the base460can be configured to be positioned adjacent a bottom portion of the subject's foot 2 when the system400is in use. For example and as shown, the opening471can extend through the base460and be positioned such that it underlies the ball and/or a portion of the arch of the subject's foot 2 when the wearable device is secured to the subject's foot 2. The cavity472defined by the opening471in the base460can extending below the base460and away from the bottom portion of the subject's foot 2 when the system400is in use. The cavity472can be configured to removably receive the sensor hub404and/or at least a portion of the sensor strap430, for example, when the sensor hub404and the sensor strap430are connected to the wearable device402. In other words, the cavity472can be configured to removably receive the sensor component403when the sensor component is connected to the wearable device402. The wearable device402can, as shown, include an opening473configured to aid in removing the sensor component403(e.g., the sensor hub404and the sensor strap430) from the wearable device402when desired to do so. For example, the opening473can be disposed within the cavity472and comprise a through-opening through the bottom of the wearable device402that a subject can use to push upon the sensor component403for removal thereof from the wearable device402. Such opening473can also aid a subject in securing the sensor component403within the cavity472. The wearable device402can also, as shown, include an opening479configured to substantially align with the status indicator425of the sensor hub404when the sensor hub404is connected to the wearable device402. The opening479can be disposed within the cavity472and comprise a through-opening through the bottom of the wearable device402that can allow a status of the sensor component403via status indicator425to be visible when the system400is in use. In some implementations, the cavity472can include a protrusion478configured to interact with the electrical connector424of the sensor hub404. For example, the protrusion478can be configured as a raised oblong that fits within a corresponding oblong recess of the electrical connector424of the sensor hub404. Such protrusion478can aid in securing the sensor hub404with the wearable device402.

The wall462of the wearable device402can extend upward from a periphery of the base460and include a side portion462a(which can also be referred to herein as a “sidewall portion”), a back portion462b(which can also be referred to herein as a “back wall portion”), and a side portion462c(which can also be referred to herein as a “sidewall portion”) configured to wrap around and support portions of the subject's foot 2, such as side(s) of the subject's foot 2, the subject's ankle 3, the subject's heel 4, and/or the subject's lower leg 5. The wall462can be discontinuous such that it does not enclose the complete periphery of the base460, leaving space for the sensor strap430to extend from the opening471and a recess477in the base460. Furthermore, the wall462can be discontinuous such that the toes of the subject's foot 2 are not enclosed. The wall462can have a variable height as it extends upward from the base. For example and as shown inFIGS.15A-15E, the wall462can have a maximum height at the back portion462bso as to surround and support the subject's heel 4, and a reduced height at side portions462aand462c. In some implementations, the main body405of the wearable device402can include a plurality of hole(s)464for venting and/or for tuning the resilience of the wearable device402. For example, the wall462and/or the base460can have a plurality of hole(s)464therethrough. Furthermore and in some implementations, the main body405of the wearable device402can include an opening461located in the back portion462bof the wall462. The opening461can be configured to allow the wearable device402to adapt to the heel 4 of the subject's foot 2.

With continued reference toFIGS.14A-14E, the wearable device402can also include one or more features for securing to the subject's foot 2. For example and as shown, the main body405of the wearable device402can include the wearable device strap466mentioned previously that can connect to and extend outward from the wall462, as well as a strap slot463a(which can also be referred to herein as an “opening”) configured to interact with wearable device strap466. The wearable device strap466can be configured to wrap over a portion of the subject's foot 2, ankle 3, and/or lower leg 5, have its end placed through the strap slot463a, and secure back upon itself similar or the same as the wearable device strap366. The wearable device strap466can connect to and extend from side portion462aof the wall462at a location adjacent where the wearable device402would receive the subject's ankle 3 if secured to the subject 1. Further, the wearable device strap466can connect to and extend from the side portion462aat an acute angle with respect to the base460when viewed from a side of the wearable device402. The strap slot463acan comprise a slot through the side portion462cof the wall462(e.g., a side of the wall462opposite from where from the wearable device strap466connect and extends from) configured to receive the wearable device strap466therethrough. In some implementations, the wearable device strap466can be configured to releasably connect with the wall462via connectors475and476similar or the same as the wearable device strap366via connectors375and376.

The main body405of the wearable device402can also include one or more features for releasably securing to the sensor strap430when the sensor hub404is connected to the wearable device402via cavity472. For example and as shown, the base460can include a portion adjacent the opening471that extends out beyond where the bottom of the subject's foot 2 is received when the system400is worn that includes a strap slot463b(which can be the same as or similar to the strap slot463a, and which can also be referred to herein as an “opening”) that can interact with the sensor strap430similar to or the same as how the strap slot463ainteracts with wearable device strap466or similar to or the same as how the strap slot363binteracts with the sensor strap330. To customize the fit of the system400to the subject's foot 2, the wearable device strap466and/or the sensor strap430can be wrapped over the subject's foot 2, the ends of the straps placed through strap slots463aand463b, and the ends secured back upon the straps similar or the same as described with respect to the system300. In some implementations, the portion of the base460comprising the strap slot463bcan deform when the sensor strap430is secured to the strap slot463b, such as shown inFIGS.12A-12B(e.g., it can bend and/or fold against the foot 2). In some implementations, the strap slot463bcan be formed in a portion of the wall462(e.g., a portion of the wall462c) rather than be included as an extension of the base460.

In some implementations and as shown inFIG.15E, the wearable device402can include the main body405and a frame480(which can also be referred to herein as a “holder”). The main body402can comprise a first material that is resilient and flexible. For example, the main body402can comprise silicone rubber. The frame480can comprise a second material that is more rigid than the first material. For example, the frame480can comprise polycarbonate. The frame480can be configured to releasably receive at least a portion of the sensor component403when the sensor component403is connected to the wearable device402. In other words, the frame480can be configured to releasably receive the sensor hub404and/or at least a portion of the sensor strap430for securing the sensor hub404and/or the sensor strap430to the wearable device402. For this, the base460of the wearable device402can be configured to receive the frame480therein. For example, the cavity472can be configured to receive the frame480. The frame480and the main body405can be integrally formed. For example, the main body405can be overmolded over the frame480to produce the wearable device402. The frame480can have an opening482configured to releasably receive the sensor hub404when the sensor component403is connected to the wearable device402. Furthermore, the frame480can have a recess487configured to receive at least a portion of the sensor strap430when the sensor hub404is connected to the cavity482. The recess487of the frame and the recess477of the main body405can allow the sensor strap430to extend away from the sensor hub404and the wearable device402such that the top of the sensor hub404and/or the sensor strap430can form a substantially flush surface (e.g., be substantially coplanar) with the base460of the wearable device402. Furthermore, the opening482of the frame480and the cavity472of the main body405can together be configured to releasably connect to the sensory assembly403(e.g., the sensor hub404). In some implementations, the frame480can include one or more features to aid in securing with the sensor component403(e.g., the sensor hub404). For example, the frame480can include one or more protrusions or ridges that extend inward towards the opening482configured to provide a friction fit with at least a portion of the sensor component403.

FIGS.16A-16Dillustrate various perspective views of another implementation of a system500(which can also be referred to herein as a “wearable system,” “wearable sensor system,” or “wearable physiological sensor system”) configured to be secured to the subject's foot 2 and measure at least one physiological parameter of the subject 1. The system500can have similar and/or the same features, aspects, functionality, and/or components as any of the systems described herein, such as systems100,300,400and/or any variants thereof. For example, the system500can have a wearable device502configured the same as or similar to the wearable device402in some or many respects. As another example, the system500can include a sensor hub504and a sensor strap530(together which can be referred to as a sensor component or sensor assembly503), configured the same or similar to the sensor hub404and the sensor strap430of the sensor component403, respectively. The system400can be secured to the subject's foot 2, ankle 3, heel 4, and/or lower leg 5 similar or identical to how the system400can be secured to the subject 1. Furthermore, the system500can include one or more emitters504a(for example, in an emitter package), one or more detectors504b(for example, in a detector package), and one or more temperature sensors504cthat are similar or identical to the one or more emitters404a, the one or more detectors404b, and the one or more temperature sensors404cof the system400. The system500can also include an additional temperature sensor (in addition to temperature sensor504c) that can be similar or identical to temperature sensor404dand which can be located in sensor hub504, for example. Such additional temperature sensor can be spaced apart from the temperature sensor504cand function with the temperature sensor504cthe same or similar to as described above with respect to temperature sensors404cand404d.

The system500can include any of the features or components discussed with respect toFIG.3above. The system500can wirelessly communicate with one or more separate device(s), which can be for example, a patient monitor10a, a mobile phone10b, a camera, a hub, or any other separate device(s) described herein via any of a variety of wireless communication protocols such as any of those discussed herein with respect to the systems100,300,400. Furthermore, the system500can wirelessly transmit subject physiological data and/or physiological parameters to separate device(s) (such as patient monitor10a, mobile phone10b, a camera, a hub, or other separate device(s)) as described herein with respect to the systems100,300,400.

When secured to the subject's foot 2, the system500can operably position one or more emitters504aand one or more detectors504badjacent portions of the foot 2, for example, at generally opposite sides of the subject's foot 2. For example, the system500can position the one or more emitters504aand the one or more detectors504bsuch that at least some of the optical radiation emitted by the one or more emitters504apasses through tissue of the subject 1 before being detected by the one or more detectors504b. As another example, the system500can position the one or more detectors504aadjacent a top and/or a side of the subject's foot 2 and the one or more emitters504badjacent a bottom of the subject's foot 2. The one or more emitters504aand the one or more detectors504bdo not need to be vertically aligned with one another and on opposite sides of the subject's foot in order for the system500to operate. In some implementations, the positioning of the one or more emitters404aand the one or more detectors404bcan be reversed. In some implementations, at least a portion of the sensor strap530and/or at least a portion of the sensor hub504operably positions the one or more emitters504aand/or the one or more detectors504bas described, for example, when sensor hub504is secured to a portion of wearable device502. In some implementations, at least a portion of the sensor component503operably positions the one or more emitters504aand/or the one or more detectors504bas described. The system500can operably position a thermally conductive probe545bconfigured to transmit thermal energy adjacent a bottom of the subject's foot (e.g., such that it contacts skin of the subject 1) to transmit thermal energy from the bottom of the subject's foot toward the temperature sensor504c.

The system500can include the wearable device502. The wearable device502can be configured to receive and/or secure an electronic device including one or more sensors for monitoring information relating to physiological, motion, and/or location of the subject 1. For example, the wearable device can be configured to receive and/or secure the sensor component503(which may also be referred to herein as a “sensor assembly”) or a portion thereof, as described further herein. Such sensor component503can include the sensor hub504and the sensor strap530. In some implementations, the system500can include the wearable device502, the sensor hub504and the sensor strap530. As shown inFIGS.16A-16B, the wearable device502and the sensor component503can be secured to one another and secured to the subject's foot.FIG.16Cillustrates the sensor component503disconnected from the wearable device502.FIG.16Dillustrates an exploded view of system500. The wearable device502can have a wearable device strap566configured the same or similar to the wearable device strap466of the wearable device402, and as shown inFIG.16D, the wearable device strap566can be removably connectable to the wearable device502(although in some implementations, the wearable device strap566can be integrally formed with the wearable device502). Also shown inFIG.16D, the sensor component503can include the sensor hub504and the sensor strap530, with at least a portion of the sensor strap (e.g., a securement section) configured to be removably connectable thereto.

Although the figures illustrate implementations in which the wearable device502and the sensor hub504and the sensor strap530are removably connectable to one another (or, in other words, where the wearable device502and the sensor component503are removably connectable to one another), various ones of these components may be integrally formed with one another. For example, in some variants, the wearable device502and sensor hub504are integrally formed and are removably connectable to the sensor strap530or at least a portion thereof. As another example, in some variants, the sensor hub504and the sensor strap530are integrally formed and are removably connectable to the wearable device502. As another example, in some variants, the wearable device502, the sensor hub504, and sensor strap530are integrally formed with one another (or, in other words, the wearable device502and the sensor component503are integrally formed with one another). Implementations of the system500in which wearable device502is removably connectable from sensor hub504and/or sensor strap530can advantageously allow for a wearable device502of various sizes (e.g., small, medium, and large) and/or shapes to be utilized with the system500, for example, so as to accommodate various sizes and/or shapes of a subject's foot 2, ankle 3, heel 4, and/or lower leg 5. In this way, the system500can be customized to a subject 1 by selecting an appropriately configured wearable device502while allowing for all other aspects of the system500, such as the sensor hub504and sensor strap530or sensor component503, to remain the same and/or be universal across subjects. In some implementations, for example as shown inFIG.16D, the sensor hub504and the sensor strap530form the sensor component503that can be removably connected to the wearable device502. In some implementations, at least a portion of the sensor strap530(e.g., a securement portion) and/or the wearable device strap566can come in various sizes and/or lengths (e.g., small, medium, large) to advantageously provide a customized fit with any of the various sizes of the wearable device502.

FIGS.17A-17Dillustrate various perspective views of the sensor component503of the system500and/or components/aspects thereof. As shown, the sensor component503can include a sensor hub504and a sensor strap530(which also may be referred to herein as “strap”) connected to and extending outward from the sensor hub504. The sensor hub504can include a generally rounded rectangular housing having a top, sides, and a bottom. In some implementations, the sensor hub504has a length and/or a width that are greater than a height of the sensor hub504. The sensor strap530can include the one or more emitters504aand/or the one or more detectors504band can be configured to secure the system500to the subject's foot 2 as described herein (for example, alone or in combination with wearable device strap566of wearable device502). The sensor strap530can be the same or similar, or include any of the functionality and/or features of the sensor strap430described herein. In some implementations, the one or more detectors504bare positioned within a portion of the sensor strap530and the one or more emitters504aare positioned within a portion of the sensor hub504. The one or more emitters504aand the one or more detectors504bcan be in electrical communication with one or more processors of the sensor hub504via a circuit layer547disposed at least partially within the sensor strap530and at least partially within the sensor hub504(for example, as shown inFIG.17C). The sensor strap530can have a top that sits substantially flush (e.g., substantially coplanar) with the sensor hub504(e.g., with the top of the sensor hub504). Additionally, the sensor strap530can extend from the sensor hub504in a direction substantially perpendicular to the sensor hub504. In some implementations, the sensor hub504can have a main body520.

With reference toFIG.17B, the sensor hub504can include an electrical connector524configured to releasably connect to a charger, for example charger499. Electrical connector524can be configured in a similar or identical manner as described elsewhere herein with respect to electrical connector424.

Strap530can include a sensor section541(which may be referred to as a “first section”) and a securement section531(which may be referred to as a “second section”) which can be similar or identical to sensor section441and securement section431of system400as described herein. For example, sensor section541and securement section531can be releaseably connectable to one another via connectors538,539which can be similar or identical to connectors338,438,339,439as described elsewhere herein. In some implementations, at least a portion of the strap530is stretchable. For example, at least a portion of the sensor section541and/or at least a portion of the securement section531can be configured to be stretchable. In some implementations, the sensor section541is more stretchable than the securement section531.

FIGS.17C-17Dfurther illustrate perspective views of the sensor hub504and sensor strap530that progressively show the various aspects, components, and/or features that the sensor hub504and sensor strap530can include. The sensor hub504and sensor strap530can include any or all of the features and/or functionality of the sensor hub406, sensor dock404, and sensor strap430described herein. As shown inFIG.17C, the sensor hub540and the sensor strap530can include a cover543(which may also be referred to as a “cover plate”) configured to cover at least some of the electrical circuitry of the sensor hub504and the sensor strap530, such as the circuit layer547. The cover543can be similar or the same as the cover443described herein. The cover543can fit into a recess of the sensor hub504and the sensor strap530, such that the cover543and the surface of the sensor hub504and the sensor strap530adjacent the cover543form a substantially flush surface. The cover543can include openings543band543aconfigured to overlie the one or more detectors504band the one or more emitters504asimilar or the same as the openings443band443aof the cover443described herein. In some implementations, such openings are covered by transparent material (for example, to prevent ingress of liquid therethrough. However, in alternative implementations, such openings are not covered. As shown inFIG.17C(in which aspects of the sensor strap541have been removed from view), in addition to the cover543, the sensor hub504and/or strap530can include a stiffener545(which can be a plate made of metal, for example) configured to increase the stiffness of a portion of the sensor hub504and/or strap530that is positioned adjacent a bottom of the subject's foot when the sensor hub504is connected to the wearable device502. The stiffener545can be disposed below the cover543and can include an opening545aconfigured to allow optical radiation to pass through (e.g., so as not to block optical radiation from being emitted by the one or more emitters504aor optical radiation from being received by the one or more detectors504b). As shown, the stiffener545bcan include the thermally conductive probe545bdescribed above configured to transmit thermal energy from the bottom of the subject's foot toward temperature sensor504c. The thermally conductive probe545bcan configured as a rounded protrusion that protrudes up from the stiffener545and at least partially through an opening543cof the cover543. In some implementations, the thermally conductive probe545bis configured to contact the bottom of the subject's foot (e.g., skin of the subject) when the system500is in use. In some implementations, the thermally conductive probe545bis formed in the stiffener545. To aid in its thermal conductivity, the thermally conductive probe545b(and the stiffener545) can be made of a conductive material, such as stainless steel (e.g.,430SS). In some variants, sensor hub504includes a thermally conductive probe (for example, similar to probe545b), but: does not include stiffener545; and/or such probe does not extend from stiffener545. In such variants, such probe can still direct thermal energy towards temperature sensor504c.

Also shown inFIG.17Cis the circuit layer547, which can be disposed below the cover543and the stiffener545and positioned at least partially within the sensor hub504and/or at least partially within the sensor strap530. As mentioned above, the circuit layer547can electrically connect the one or more emitters504aand the one or more detectors504bto the various other electrical components of the sensor hub504(e.g., one or more processors of the sensor hub504). In some implementations, the circuit layer547also electrically connects temperature sensor504cof the sensor dock504to the various other electrical components of the sensor hub504. The circuit layer547can be configured as a flexible circuit that can bend freely with the sensor strap530. In some implementations, the circuit layer547can have a length that is greater than a distance between where the circuit layer547electrically connects to the one or more emitters504aand the one or more detectors504b. For example, the circuit layer547can include one or more bends (e.g., can be serpentine). As shown in at leastFIG.17C, the circuit layer547can include a portion553configured to electrically connect to the one or more detectors504a, a portion551configured to electrically connect to the one or more emitters504b, and a portion552comprising at least one bend spanning between the portions553and551. The portion553can be positioned within a recess555of the sensor strap530. At least a portion of the portion552can be positioned within a recess554of the sensor strap530. The portion551can be positioned within the sensor hub504. Thus, at least a portion of the circuit547can be positioned within the sensor strap530and at least a portion of the circuit547can be positioned within the sensor hub504. Similar to the openings in the cover543, the circuit layer547can include an opening547band an opening547aconfigured to overlie the one or more detectors504band one or more emitters504a, respectively, and allow optical radiation to be received and/or emitted therethrough. Further shown, an adhesive layer549can be disposed between the stiffener545and the circuit layer547to join each to one another, the adhesive layer comprising an opening549asimilar to the openings545aand547a. With reference toFIG.17D, in some implementations, circuit layer547can be positioned between thermally conductive probe545b(and stiffener545) and temperature sensor504c.

FIGS.18A-18Dillustrate perspective views of the wearable device502of the system500ofFIGS.16A-16Bin accordance with some implementations of this disclosure. The wearable device502can be configured to receive and support the foot 2, ankle 3, heel 4, and/or lower leg 5 of the subject 1. The wearable device502can be similar to and include any of the features, functionality, and/or components as the wearable devices102,302,402described herein. For example, the wearable device502can be made of a resilient and/or flexible material, similar or the same as the wearable devices102,302,402described herein. The wearable device502can have a base560and a wall562. The wall562can extend from the base560. For example, the wall562can extend from a periphery of the base560. In some implementations, the wall562can extend around a portion of a perimeter edge of the base560. The base560and the wall562can form a main body505of the wearable device502. In some implementations, the wearable device502can have a main body505including the base560, an opening571in the base560defining a cavity572, and the wall562extending from the base560. In some implementations, the main body505additionally includes the wearable device strap566(which can also be referred to herein as an “additional strap”) configured to connect to (e.g., releasably connect to) and extend from the wall562. In some implementations, the system500only includes strap530and does not include any other straps (e.g., does not include wearable device strap566). Furthermore, in some implementations, the system500only includes strap530and does not include any other straps (e.g., does not include strap section531) and such strap530is configured to be secured to a portion of the wearable device502.

The base560(which can also be referred to herein as “bottom portion”) of the wearable device502can be configured to contact at least a portion of the bottom portion of the subject's foot 2 when the system500is in use. For example, the base560can be configured to contact a heel, an arch, a ball, and/or one or more toes of the subject's foot 2. The opening571in the base560can be configured to be positioned adjacent a bottom portion of the subject's foot 2 when the system500is in use. For example and as shown, the opening571can extend through the base560and be positioned such that it underlies the ball and/or a portion of the arch of the subject's foot 2 when the wearable device is secured to the subject's foot 2. The cavity572defined by the opening571in the base560can extending below the base560and away from the bottom portion of the subject's foot 2 when the system500is in use. The cavity572can be configured to removably receive the sensor hub504and/or at least a portion of the sensor strap530, for example, when the sensor hub504and the sensor strap530are connected to the wearable device502. In other words, the cavity572can be configured to removably receive the sensor component503when the sensor component is connected to the wearable device502. The wearable device502can, as shown, include an opening573configured to aid in removing the sensor component503(e.g., the sensor hub504and the sensor strap530) from the wearable device502when desired to do so. For example, the opening573can be disposed within the cavity572and comprise a through-opening through the bottom of the wearable device502that a subject can use to push upon the sensor component503for removal thereof from the wearable device502. Such opening573can also aid a subject in securing the sensor component503within the cavity572. The wearable device502can also, as shown, include an opening579configured to substantially align with the status indicator525of the sensor hub504when the sensor hub504is connected to the wearable device502. The opening579can be disposed within the cavity572and comprise a through-opening through the bottom of the wearable device502that can allow a status of the sensor component503via status indicator525to be visible when the system500is in use. In some implementations, the cavity572can include a protrusion578configured to interact with the electrical connector524of the sensor hub504. For example, the protrusion578can be configured as a raised oblong that fits within a corresponding oblong recess of the electrical connector524of the sensor hub504. Such protrusion578can aid in securing the sensor hub504with the wearable device502.

The wall562of the wearable device502can extend upward from a periphery of the base560and include a side portion562a(which can also be referred to herein as a “sidewall portion”), a back portion562b(which can also be referred to herein as a “back wall portion”), and a side portion562c(which can also be referred to herein as a “sidewall portion”) configured to wrap around and support portions of the subject's foot 2, such as side(s) of the subject's foot 2, the subject's ankle 3, the subject's heel 4, and/or the subject's lower leg 5. The wall562can be discontinuous such that it does not enclose the complete periphery of the base560, leaving space for the sensor strap530to extend from the opening571and a recess577in the base560. Furthermore, the wall562can be discontinuous such that the toes of the subject's foot 2 are not enclosed. The wall562can have a variable height as it extends upward from the base. For example and as shown inFIGS.18A-18D, the back portion562bof the wall562can have a height that can surround and support the subject's heel 4, and a greater height at side portions562aand562c. In some implementations, the main body505of the wearable device502can include a plurality of hole(s)564for venting and/or for tuning the resilience of the wearable device502. For example, the wall562and/or the base560can have a plurality of hole(s)564therethrough. Furthermore and in some implementations, the main body505of the wearable device502can include an opening561located in the back portion562bof the wall562. The opening561can be configured to allow the wearable device502to adapt to the heel 4 of the subject's foot 2.

The wearable device502can also include one or more features for securing to the subject's foot 2. For example, the main body505of the wearable device502can include the wearable device strap566mentioned previously that can connect to and extend outward from the wall562, as well as a strap slot563a(which can also be referred to herein as an “opening”) configured to interact with wearable device strap566. The wearable device strap566can be configured to wrap over a portion of the subject's foot 2, ankle 3, and/or lower leg 5, have its end placed through the strap slot563a, and secure back upon itself similar or the same as the wearable device strap466. The wearable device strap566can connect to and extend from side portion562aof the wall562at a location adjacent where the wearable device502would receive the subject's ankle 3 if secured to the subject 1. Further, the wearable device strap566can connect to and extend from the side portion562aat an acute angle with respect to the base560when viewed from a side of the wearable device502. The strap slot563acan comprise a slot through the side portion562cof the wall562(e.g., a side of the wall562opposite from where from the wearable device strap566connect and extends from) configured to receive the wearable device strap566therethrough. In some implementations, the wearable device strap566can be configured to releasably connect with the wall562via connectors575and576similar or the same as the wearable device strap466via connectors475and476.

The main body505of the wearable device502can also include one or more features for releasably securing to the sensor strap530when the sensor hub504is connected to the wearable device502via cavity572. For example and as shown, the base560can include a portion adjacent the opening571that extends out beyond where the bottom of the subject's foot 2 is received when the system500is worn that includes a strap slot563b(which can be the same as or similar to the strap slot563a, and which can also be referred to herein as an “opening”) that can interact with the sensor strap530similar to or the same as how the strap slot563ainteracts with wearable device strap566or similar to or the same as how the strap slot4 interacts with the sensor strap430. To customize the fit of the system500to the subject's foot 2, the wearable device strap566and/or the sensor strap530can be wrapped over the subject's foot 2, the ends of the straps placed through strap slots563aand563b, and the ends secured back upon the straps similar or the same as described with respect to the system400. In some implementations, the portion of the base560comprising the strap slot563bcan deform when the sensor strap530is secured to the strap slot563b. In some implementations, the strap slot563bcan be formed in a portion of the wall562(e.g., a portion of the wall562c) rather than be included as an extension of the base560.

In some implementations, the wearable device502can include the main body505and a frame580(which can also be referred to herein as a “holder”), which can be the same or similar to the arrangement of the wearable device402. The main body505can comprise a first material that is resilient and flexible. For example, the main body505can comprise silicone rubber. The frame580can comprise a second material that is more rigid than the first material. For example, the frame580can comprise polycarbonate. The frame580can be configured to releasably receive at least a portion of the sensor component503when the sensor component503is connected to the wearable device502. In other words, the frame580can be configured to releasably receive the sensor hub504and/or at least a portion of the sensor strap530for securing the sensor hub504and/or the sensor strap530to the wearable device502. For this, the base560of the wearable device502can be configured to receive the frame580therein. For example, the cavity572can be configured to receive the frame580. The frame580and the main body505can be integrally formed. For example, the main body505can be overmolded over the frame580to produce the wearable device502. The frame580can have an opening configured to releasably receive the sensor hub504when the sensor component503is connected to the wearable device502. Furthermore, the frame580can have a recess configured to receive at least a portion of the sensor strap530when the sensor hub504is connected to the cavity582. The recess of the frame and the recess577of the main body505can allow the sensor strap530to extend away from the sensor hub504and the wearable device502such that the top of the sensor hub504and/or the sensor strap530can form a substantially flush surface (e.g., be substantially coplanar) with the base560of the wearable device502. Furthermore, the opening of the frame580and the cavity572of the main body505can together be configured to releasably connect to the sensory assembly503(e.g., the sensor hub404). In some implementations, the frame580can include one or more features to aid in securing with the sensor component503(e.g., the sensor hub504). For example, the frame580can include one or more protrusions or ridges that extend inward towards the opening configured to provide a friction fit with at least a portion of the sensor component503.

FIGS.19A-19Billustrate a monitoring system1000that can be utilized to monitor at least one physiological parameter, motion, and/or location of a subject, including any one or more of the physiological parameters described herein and/or others. The monitoring system1000can include a system600, a camera700, and a hub800. The system600can be the same as or similar to the system500, and as shown inFIG.19Acan be secured to the subject's foot. In this example, the subject can be an infant (which can also be referred to as a “baby” or a “child” herein) and the monitoring system1000can be adapted to monitor at least one physiological parameter, motion, and/or location of the infant. In some implementations, the system600can be the same or similar to and include any of the functionality and/or features of any of the systems described herein, such as systems100,300, and/or400. The camera700can be positioned to observe the subject. For example, the camera700can be mounted to a wall near a crib of the infant where the camera can observe the infant, to furniture near the infant, or the like. The hub800can be positioned within wireless communication distance of the system600and/or the camera700. For example, the hub700can be positioned within the room of the infant and/or within a room of the infant's parents and/or care providers. Various other optional aspects of system600, camera700, and hub800are described below with respect toFIGS.20-22D.

As shown inFIG.19B, the components of the monitoring system1000can be configured to wirelessly communicate with one another and/or one or more separate electronic device(s)900. For example and as shown, the system600can be configured to wirelessly communicate with the hub800and vice versa, and/or the camera700and vice versa. Continuing with this example, the camera700can be configured to wirelessly communicate with the hub800and vice versa. Furthermore, the hub800and/or the camera700can be configured to wirelessly communicate with the separate electronic device900and vice versa. In some implementations, the hub800can receive all information wirelessly provided by the system600and/or camera700and transfer such information wirelessly to the separate electronic device900. In some implementations, the camera700can receive all information wirelessly provided by the system600and transfer such information wirelessly to the separate electronic device900. The separate electronic device900can be any of the electronic devices described herein or others, such as a patient monitor, a cell phone, a server, a soundbar, and/or a speaker. Communication between system600, camera700, and/or hub800with electronic device900can be via a network. Such a configuration can advantageously provide access to the monitoring system1000by, for example, parents and/or care providers of the infant who may be located in a different location in which system1000is located. Wireless communication can be via any of the wireless communication protocols described herein. For example, the components of the monitoring system1000can be configured to communicate via Bluetooth and/or WiFi. As another example, the components of the monitoring system1000can be configured to pair with one another via NFC. AlthoughFIG.19Aillustrates hub800being in proximity to camera700and system600, in some situations, hub800can be in a different location as camera700and/or system600(for example, a different room of a house).

FIG.20illustrates a schematic diagram of certain features which can be incorporated in the system600as well as any other implementations of system(s) described herein. Any of the features described with respect to system600can be incorporated into any of the other systems described herein (such as system100,200,300,400, and/or500). Similarly, system600can be embodied in a form as shown and/or described herein with respect to any of the systems100,200,300,400, and/or500. As one example, in some implementations,FIG.20may represent a schematic diagram of sensor component503of system500.

As shown, the system600can include one or more emitters620, one or more detectors622, and one or more temperature sensors624, one or more processors602, one or more storage devices604, a communication module606, a battery608, an information element610, one or more other sensors626, one or more status indicators612, a vibration motor614, one or more accelerometers616, and/or one or more gyroscopes618. As a non-limiting example, the one or more emitters620, one or more detectors622, one or more temperature sensors624, one or more processors602, one or more storage devices604, communication module606, battery608, information element610, one or more other sensors626, one or more status indicators612, vibration motor614, one or more accelerometers616, and one or more gyroscopes618can be the same as or similar to or include any one or more features and/or functionality of the one or more emitters104a, one or more detectors104b, one or more temperature sensors104c, one or more processors106a, one or more storage devices106b, communication module106c, battery106d, information element106e, one or more other sensors106fwhich can include one or more accelerometers and/or one or more gyroscopes, one or more status indicators106g, and vibration motor106hdescribed herein.

The one or more accelerometers616and/or one or more gyroscopes618of the system600can be utilized to determine movement, position, orientation, location, and/or other characteristics of the subject and/or a portion of the subject's body (for example, foot 2, ankle 3, heel 4, and/or lower leg 5). For example, the one or more accelerometers616and/or one or more gyroscopes618of the system600can be utilized to determine if the subject is laying down, one their back, on their side, on their stomach, on all fours, on their knees, partially standing, standing, sleeping, awake, moving, and/or not moving. In some implementations, the one or more accelerometers616and/or one or more gyroscopes618of the system600can be determine movement, position, orientation, location, and/or other characteristics of the subject and/or a portion of the subject's body similar or identical that described and/or illustrated in U.S. Pat. Pub. No. 2023/0045000, titled “Patient Monitoring Device with Improved User Interface”, which is hereby incorporated by reference in its entirety and for all purposes.

FIGS.21A-21Billustrate various perspective views of an implementation of the camera700of the monitoring system1000ofFIGS.19A-19B. As mentioned, the camera700can be configured to monitor the subject when the monitoring system1000is in use. For this, the camera700can incorporate any one or more features and/or functionality of the charging station200described herein as well as additional features and/or functionality. For example, the camera700can include a camera702, a microphone704, a communication module706, a speaker708, one or more humidity sensors710, one or more status indicators712, and/or one or more temperature sensors714as shown inFIG.21C. The camera702can be configured for high definition capture of the subject in day, night, high light, low light, and/or no light environments. In some implementations, the camera702can be configured for night vision. The resolution of the camera702can be 720, 1080, 2k, 4k, or any resolution that provides the camera the ability to monitor the subject and/or its environment. The microphone704can be configured to capture/monitor sound from the subject and/or its environment. The communication module706can be configured the same or similar to any of the communication modules described herein and can facilitate wireless communication of information collected and/or processed by the camera700(e.g., by one or more processors of the camera) to other components of the monitoring system1000and/or separate electronic device900connected thereto. The one or more humidity sensors710and one or more temperature sensors714can be configured to monitor the humidity and temperature of the environment in which the camera700is located. The camera700can be configured to allow communication between a parent/care giver and an infant subject via the microphone704and speaker708. Furthermore, in some implementations the camera700can be configured to sound an alarm depending on one or more physiological parameters, motion, and/or location of the subject being monitored by the monitoring system1000. The camera700can be configured to be wall or ceiling mounted, furniture mounted (e.g., to a portion of a crib), or otherwise positionable such that it can monitor the subject and/or its environment.

FIGS.22A-22Cillustrate various perspective views of the hub800of the monitoring system1000ofFIG.19A-19B. The hub800can be similar to and incorporate any one or more features and/or functionality of the charging station200described herein. For example and as shown inFIG.22D, the hub800can include a communication module824, a speaker826, and a status indicator830the same as or similar to such components of the charging station200. Furthermore, the hub800can include a top surface or button802, a body806, an electrical connector810, a bottom surface804, opening(s)808, opening(s)809, and reset button814the same or similar to the top surface or button202, body206, electrical connector210, bottom surface204, opening(s)208, opening(s)209, and reset button214of the charging station200. For example, the button802can be pressed to snooze an alarm of the hub800, to power on or off the hub800, or to otherwise interact with the hub800. The hub800can differ from the charging station200in that instead of being configured to receive and charge a sensor hub, the hub800can include a microphone822, one or more humidity sensors828, and/or one or more temperature sensors832. The microphone822, one or more humidity sensors828, and one or more temperature sensors832can be configured to monitor the sound, humidity, and temperature of the environment in which the hub800is located. As shown inFIG.19A, in some implementations it can be desirable to locate the hub800in the environment proximate the subject. In some cases, it can be advantageous to locate the hub800in an environment proximate parents and/or care providers of the subject when the subject is an infant/child. In some implementations, more than one hub800can be provided with the monitoring system1000. The hub800can be configured to allow communication between a parent/care giver and an infant subject via the microphone822and speaker826. Furthermore, in some implementations the hub800can be configured to sound an alarm depending on one or more physiological parameters, motion, and/or location of the subject being monitored by the monitoring system1000.

The monitoring system1000can advantageously be configured to monitor at least one physiological parameter, motion, and/or location of the subject 1 as described herein. For example, the monitoring system1000can be configured to monitor, measure, or otherwise determine vital signs of the subject 1, which can include SpO2, heart/pulse rate, respiratory rate, temperature, oxygen saturation, and/or pulse rate of the subject 1. The monitoring system1000can also be configured to produce an alarm (e.g., alarm a parent and/or care provider of the subject 1) based on any one or more of the physiological parameters, motion, and/or location of the subject 1.

Any of the components of the monitoring system1000can be configured to pair with one another wirelessly. For example, components of the monitoring system1000can be configured to pair with one another via NFC and/or Bluetooth (e.g., low energy Bluetooth). Furthermore, components of the monitoring system1000can be configured to pair with separate electronic device(s), such as separate electronic device900, wirelessly which can include via NFC and/or Bluetooth (e.g., low energy Bluetooth). In some implementations, no buttons or button presses may be required to pair components of the monitoring system1000and/or components of the monitoring system1000with one or more separate electronic devices. Furthermore, and as described herein, any of the components of the monitoring system1000can be configured to communicate with one another or with separate electronic devices900via WiFi.

In some implementations, the monitoring system1000can include software configured to allow a subject, or their parents or care givers when the subject is an infant, to access and/or interact with the monitoring system1000. For example, the monitoring system1000can include an application accessible via the separate electronic device900that the subject/parents thereof/care givers thereof can use to access and/or interact with the monitoring system1000and/or any of its components. Such software can include one or more algorithms to enable the monitoring system1000to process data, physiological parameters, motion, and/or location measured and/or determined by any one or more of the components of the monitoring system1000.

When the subject is an infant as described herein, the monitoring system1000can be configured to enable parents and/or care givers of the infant to monitor various aspects of the infant's health, wellbeing, and/or safety. For example, the monitoring system1000can be configured to allow a parent/care giver to set a monitoring zone around the infant. Such a monitoring zone can be a sleeping environment or a play environment, among others, of the infant. The monitoring system1000can be configured to monitor such monitoring zone and alarm the parent/care provider if needed. For example, the monitoring system1000can be configured to detect: infant safety within such monitoring zone (e.g., hand or foot outside of crib, infant about to fall or climb on or out of various structures); if any foreign objects (e.g., pillows, toys, pets, household items, cellular phone) are in, have moved within, and/or have entered such monitoring zone; infant positioning within such monitoring zone (e.g., laying down, one their back, on their side, on their stomach, on all fours, on their knees, partially standing, standing, face up, face down, breathing blocked, breathing unblocked, and/or a relative positioning of the infant relative to aspects of their environment, such as in a center of a crib or near a side thereof); and/or infant activity within such monitoring zone (e.g., sleeping, awake, moving/walking/crawling, not moving, crying, start of crying, breathing, and/or not breathing). Components of the monitoring system1000can advantageously work in combination for the detection of the various aspects above. For example, the camera700and the system600can work in combination to provide positioning information about the infant subject (e.g., the accelerometer(s)616and/or gyroscope(s)618of the system600can work in combination with the camera700to determine positioning of the infant subject and/or portions thereof). As another example, the camera700and the system600can work in combination to provide any one or more of the vital signs of the infant subject (e.g., the camera700can be configured to monitor and determine vital signs of the subject such as heart rate, respiration rate, and others). In some implementations, the monitoring zone can include anything or everything within view of the camera700and/or anything within range of the microphone of the camera700and/or the hub800. In some implementations, the monitoring zone can be set to include a crib, a bassinet, a play area, a bathing area, or other area of the infant subject. In some implementations, the monitoring system1000can be configured to provide universal and continuous access to video, sound, and vitals of the subject. The monitoring system1000can be configured to provide customizable alerts and/or alarms based on aspects of the infant subject and/or their environment. In some implementations, the monitoring system1000can provide live vital tracking with access to detailed data history, a knowledge and/or video library, connectivity to social media, and/or a connection to physician(s)/hospital(s)/care provider(s).

In some implementations, the monitoring system1000includes only the system600and the camera700. In some implementations, the monitoring system1000includes only the system600, the camera700, and the one or more separate electronic device(s)900. In some implementations, the monitoring system1000includes the system600, the camera700, the hub800, and the one or more separate electronic device(s)900. In some implementations of the monitoring system1000including at least the camera700and the hub800, the camera700and the hub800are configured to be placed in different rooms from one another.

Although examples and certain orientations and configurations of various aspects of the systems described in this disclosure (e.g., systems100,300,400,500, and600) have been provided, alternative orientations and configurations for such aspects are to be considered included as a part of this disclosure. For example, in some implementations, the wearable device straps166,366,466,566and/or666can be omitted. In such implementations, the sensor straps130,330,430,530and/or630can be the only components of the sensor docks104and/or304and/or sensor assemblies103,303,403,503and/or603(and/or of the systems100,300,400,500and/or600) that secure the wearable devices102,302,402,502and/or602, respectively, to the subject's foot 2. As another example, in some implementations, the wearable device straps166,366,466,566and/or666can be combined with and/or coupled with the sensor straps130,330,430,530and/or630(e.g., so as to form one larger strap that can be configured to secure the wearable devices102,302,402,502and/or602to the subject's foot 2). Any of the straps described herein can be configured to wrap around at least a portion of the subject's foot 2, which can include the bottom, the top, one or more sides, and/or in some cases an entirety of the subject's foot 2. Further, although certain methods of securement for the straps described herein have been provided, other methods can be used, including via magnets and/or adhesives. Furthermore, in some implementations the wearable devices102,302,402,502and/or602described herein can comprise a fabric or non-resilient material. In such implementations, the wearable devices102,302,402,502and/or602and any straps thereof can be configured to wrap around portions of the subject's foot to secure the systems100,300,400,500and/or600to the subject. In some implementations, the wearable devices102,302,402,502and/or602described herein can comprise portions that are resilient, flexible, and/or rigid. In some implementations, the wearable devices102,302,402,502and/or602described herein can comprise portions made of silicone rubber and portions made of fabric.

Other orientations and configurations of the sensor straps130,330,430,530and/or630are also to be considered included as a part of this disclosure. For example, although the sensor straps130,330,430,530and630can be described herein as including one or more emitters (e.g., such as emitters104a,304a,404a, and504a), one or more detectors (e.g., such as detectors104b,304b,404b, and504b), and/or one temperature sensors (e.g., such as temperature sensors104c,304c,404cand/or404d,505cand/or an additional temperature sensor), more than each of such emitters, detectors, and/or temperature sensors can be included in the sensor straps130,330,430,530,630and/or the sensor hubs404,504,604. In some implementations, the sensor straps130,330and/or430can include an array of emitters, an array of detectors, and/or an array of temperature sensors. Such arrays can be configured to extend along the length of the sensor straps130,330, and/or430such that multiple emitters can be located proximate to each other, multiple detectors can be located proximate to each other, and/or multiple temperature sensors can be located proximate to each other. Advantageously, such arrays can facilitate the measure of at least one physiological parameter of the subject, for example, by providing the systems options for which emitters, detectors, and/or temperature sensors to utilize for measurements (e.g., the system can cycle through such sensors and use ones that provide the best signal for physiological parameter determination). Additionally, although the emitters104a,304a,404a,504aand604ain some implementations have been described herein as being adjacent tissue of the top of the subject's foot 2 and the detectors104b,304b,404b,504band604bin some implementations have been described herein as being adjacent tissue of the bottom of the subject's foot 2 when the systems100,300,400,500and600, respectively, are secured to the subject's foot 2, their locations can be swapped (e.g., detector(s) can be configured to be adjacent tissue of the top of the subject's foot 2 and emitter(s) can be configured to be adjacent tissue of the bottom of the subject's foot 2).

Alternative configurations of the holders170and370are also to be considered included as a part of this disclosure. For example, although the holders170and370have been shown herein as having an enclosed perimeter so as to form the cavities172and372for receiving the sensor dock104/sensor hub106and the sensor dock304/sensor hub306, respectively, in some implementations the holders170and/or370can have an open side to facilitate the releasable connection/disconnection of the sensor hubs106and/or306with the sensor docks104and/or304.

The systems described herein, such as the systems100,300,400,500and600and/or any of their components can be configured to be waterproof, water resistant, drip proof, shock proof, dust proof, and/or dust resistant. While the systems have been described as having a rechargeable battery, the battery can be nonrechargeable or single use. In some implementations, a battery of the system (such as battery106dand/or the implementation of such a battery165) can be rechargeable but non-removable from the device. In such a case, the system can include a charge port configured to receive a power cable for charging and/or an electrical connector configured to receive a charger. Further in such a case, the system can be used by the subject while charging (e.g., the system can be in an operational mode while charging). In some variants, a sensor hub of any of the systems described herein (such as sensor hubs106and306) can be permanently connected to a sensor dock of any of the systems described herein (such as sensor docks104and304). In such variants, the combined sensor hub/sensor dock can have a charge port or electrical connector for charging.

In some implementations, any or all of the components of the systems as described herein can be configured to be reusable (which may also be referred to herein as “durable”). For example, in reference to the system100, the wearable device102, the sensor dock104, and the sensor hub106can all be configured to be reusable (e.g., for days, weeks, months, or more). In such a case, all components can be sanitized between uses and/or between subjects. In some implementations, all components of the systems as described herein can be configured to be reusable except for the wearable devices as described herein, such as wearable devices102,302,402,502and/or602. In some cases, all components of the systems as described herein can be configured to be reusable between subjects except for the wearable devices as described herein, such as wearable devices102,302,402,502and/or602(e.g., subjects do not share use of a wearable device). In some implementations, the sensor hubs as described herein, such as sensor hubs106and306, last longer than all other components of the system and can be reused if desired between subjects. In some implementations, one or more components of the systems as described herein and any portions thereof can be configured as single use (which may be referred to herein as “disposable”). In such implementations, the sensor hubs and sensor docks as described herein can be integrated, a part of, and/or otherwise combined with the wearable devices as described herein to provide for a single and fully integrated device that can be secured to the subject's foot 2. Furthermore, in such an implementation, the systems can include a single use battery and/or non-rechargeable battery (e.g., a zinc-air battery). In some cases, all components of the systems as described herein can be configured to be single use except for the sensor hubs (e.g., sensor hubs106,306,404,504,604).

FIGS.23-46illustrate example user interfaces for monitoring a health of a subject, such as an infant. Various combinations of the user interfaces, features, implementations, and aspects shown and/or described throughoutFIGS.23-46are contemplated by the present disclosure. For example, various user interfaces and/or their features may be combined, rearranged, and/or omitted from what is shown and/or described in the examples ofFIGS.23-46.

FIG.23illustrates an example user interface2310for monitoring a subject, such as an infant. The user interface2310is displayed within electronic device2300which may include similar features as any of the other example electronic devices shown and/or described herein such as electronic device900. In this example, the electronic device2300is a personal computing device (e.g., a mobile phone). In some implementations, the electronic device2300may be a laptop, a tablet, a wall-mounted display, an in-vehicle display, a monitor, a stationary device, a portable device, a computer, a medical monitoring device, a wearable device such as a watch, a sensor device, or the like. The electronic device2300may receive data from one or more remote devices such as a wearable physiological device (such as system600shown and/or described herein), a camera (such as camera700shown and/or described herein), and/or a hub (such as hub800shown and/or described herein). For example, the electronic device2300may receive image data from a camera and/or a hub. As another example, the electronic device2300may receive physiological data from a wearable physiological system and/or from a hub. As another example, the electronic device2300may receive environment data from a hub.

The electronic device2300may include one or more hardware processors configured to execute program instructions to cause the electronic device2300to perform one or more operations. The electronic device2300may include a memory, such as non-transitory computer readable media, which may store the program instructions. The electronic device2300(e.g., hardware processors thereof) may generate user interface data and may render one or more user interfaces (e.g., user interface2310), such as on a screen of the electronic device2300.

The user interface2310may be an interactive user interface. For example, the user interface2310may update in response to user interaction with the user interface2310via the electronic device2300. For example, the electronic device2300may include a touch sensitive screen which may respond to changes in capacitance on the screen effectuated by a user's skin contacting the screen.

The user interface2310can include an image portion2350. The image portion2350can include images originating from a camera, such as a remote camera of a monitoring system. As shown, a user may view the image portion2350to monitor a subject such as an infant. The image portion2350can include real-time images. For example, the image portion2350may update with image data as the image data is received at the electronic device2300and/or as the image data originates at a camera. The image portion2350can include historical images. The image portion2350can include video images and/or still images.

The user interface2310can include environment data2360. The environment data2360can include data originating from a remote device such as a hub. The environment data2360can include a temperature of an environment, the humidity of the environment, and/or a noise level of the environment. In this example, the environment data shows that the environment temperature is 71.6 degrees Fahrenheit, the environment humidity is 42%, and the environment noise level is 12 dB. The environment data2360may be positioned above the image portion2350. The environment data2360may be superimposed on the image portion2350.

The user interface2310can include a physiological portion2340. The physiological portion2340may include physiological data originating from one or more sensors, such as a sensor worn by an infant that is being monitored. The physiological portion2340can include one or more icons associated with one or more physiological parameters. For example, the physiological portion2340can include an SpO2 icon corresponding to an SpO2 parameter, a heart icon corresponding to a pulse rate, heart rate, and/or blood pressure, an air icon corresponding to a respiration rate parameter, and a thermometer icon corresponding to a temperature parameter. The icons shown in the physiological portion2340may change appearance (e.g., color) based on the corresponding physiological data. The physiological portion2340may expand to show more detailed physiological data. The physiological portion2340may collapse to show less physiological data. The physiological portion2340may expand and/or collapse in response to a user input (e.g., a touch). In the example shown, the physiological portion2340may be collapsed to provide a general overview of the physiological condition of the subject. The physiological portion2340may be positioned beneath the image portion2350.

The user interface2310can include a speaker component2330. The speaker component2330can be a slider. The speaker component2330may be superimposed on the image portion2350, such as at a bottom portion of the image portion2350. The speaker component2330may indicate a volume output level of one or more speakers in an environment with an infant subject being monitored. The speaker component2330may be responsive to a user input such that a user may interact with the speaker component2330to control one or more speakers in the infant's environment. For example, a user may slide their finger along speaker component2330to increase or decrease speaker output volume level.

The user interface2310can include system icons2320, such as speaker icon2320A, microphone icon2320B, music icon2320C, and/or camera icon2320D. A user may interact with any of the system icons2320to control one or more operations of a system. For example, a user may select the microphone icon2320B to mute or unmute a microphone in the environment of the infant. As another example, a user may select the speaker icon2320A to mute or unmute a speaker in the environment of the infant. The system icons2320may be superimposed on the image portion2350. The system icons2320may be arranged vertically with respect to one another. The system icons2320may be positioned on a side of the image portion2350and/or a side of the user interface2310.

FIG.24illustrates another example user interface2410. The user interface2410can include a microphone component2430. The microphone component2430can be a slider. The microphone component2430may be superimposed on the image portion2350, such as at a bottom portion of the image portion2350. The microphone component2430may indicate a volume input level of one or more microphones in an environment with an infant subject being monitored. The microphone component2430may be responsive to a user input such that a user may interact with the microphone component2430to control one or more microphones in the infant's environment. For example, a user may slide their finger along microphone component2430to increase or decrease microphone input volume level.

FIG.25illustrates another example user interface2510. The user interface2510can include an audio portion2530which can display audio being emitted by one or more speakers in the environment of the infant. A user may control the audio playback (e.g., start, stop, pause, next track) by interacting with the audio portion2530. The user interface2510may display or hide the audio portion2530in response to user selection of the music icon2320C.

FIG.26illustrates another example user interface2610. The user interface2610can include a camera portion2630. A user may control a camera (e.g., take photo, start video, stop video) by interacting with the camera portion2630. The user interface2510may display or hide the camera portion2630in response to user selection of the camera icon2320D.

FIG.27illustrates another example user interface2710. The user interface2710can include an image portion2750. The image portion2750may fill a majority of the user interface2710. The image portion2750may be an enlarged image portion. The user interface2710may not include a physiological portion.

FIG.28illustrates another example user interface2810. The user interface2810can include an indicator2840which can indicate a status of a physiological device, such as a physiological device worn on a foot of an infant. In this example, the indicator2840indicates “bootie off” which may indicate that a physiological sensor is not worn by the infant, is not worn properly by the infant, is not collecting physiological data, is powered off, or is experiencing some error. The indicator2840may be shown in the place of a physiological portion which may otherwise show physiological information relating to data originating from a physiological sensor device. The user interface2810can include a notification2841which can include one or more notifications relating to a physiological device such as whether a physiological device is worn and/or needs to be charged. In this example, the notification2841indicates “bootie remove. Remember to charge.”

FIG.29illustrates another example user interface2910. The user interface2910can include an image portion2950. The image portion2950may occupy a majority of the user interface2910. The user interface2910can include a perimeter2951. The perimeter2951may be superimposed on the image portion2950. The perimeter2951may be a rectangle. A user may adjust a size and/or location of the perimeter2951such as by touching and sliding the perimeter or portions thereof, via the user interface2910. For example, a user may adjust the perimeter2951by touching and dragging one or more corners of the perimeter2951. As another example, a user may adjust the perimeter2951by touching and dragging one or more edges of the perimeter2951. The perimeter2951may define a zone for monitoring. A computing device (such as the electronic device2300or other computing device) can process image data originating from a camera to monitor the zone defined by the perimeter2951. As an example, the computing device can detect one or more foreign objects within the zone defined by the perimeter2951. The computing device can perform image processing techniques, such as pattern recognition, light detection, motion detection, color detection, etc. with respect to the zone defined by the perimeter2951. As an example, the computing device can detect when an object other than the infant enters the zone. As another example, the computing device can detect when the infant, or portion of the infant, leaves the zone. The computing device can generate alarms based on monitoring the zone defined by the perimeter2951. In some implementations, a user may be able to define alerts associated with a zone. In some implementations, a user may be able to define more than one zone.

FIG.30illustrates another example user interface3010. As shown, the environment data2360may change appearance (e.g., color, shading, etc.) based on environment data originating from one or more environment sensors. In this example, the environment data2360includes highlighted (e.g., colored, shaded) temperature data responsive to the environment temperature exceeding a threshold which may be uncomfortable and/or unsafe for the infant. The physiological portion2340may change an appearance of the icons based on physiological data originating from one or more sensors. In this example, a temperature icon of the physiological portion2340is displayed with an altered appearance (e.g., different color, shading, etc.) than ordinary which may result from the infant's temperature exceeding a threshold. In some implementations, one or more of the icons in the physiological portion2340may ordinarily by displayed a certain color such as green and may alter color based on physiological data. For example, the icons may change to yellow when corresponding physiological data exceeds a first threshold (indicating a warning state) and may change to red when corresponding physiological data exceeds a second threshold (indicating a more critical state). In this example, the temperature icon of the physiological portion2340may be shown as a certain color such as yellow or red and the other icons (e.g., SpO2, heart, air) may be shown as another color such as green.

FIG.31illustrates another example user interface3110. The user interface3110can include a notification3141. The notification3141can be associated with temperature data and/or a temperature icon of the physiological portion2340. The notification3141can indicate a temperature of the infant and/or a temperature of an environment. The user interface3110may display the notification3141automatically, such as in response to one or more temperatures exceeding a threshold. The user interface3110can display the notification3141in response to user selection on the physiological portion2340, such as selection of the temperature icon. The notification3141may be positioned beneath the image portion2350. The notification3141may be positioned above the physiological portion2340. The notification3141may be superimposed on the image portion2350. In some implementations, the notification3141may display information associated other icons in the physiological portion2340, such as pulse oximetry data, heart rate, pulse rate, or respiration rate. In some implementations, the user interface3110may display notifications relating to physiological parameters beneath the image portion2350and may display other notifications (e.g., relating to system operation, device status, environmental parameters, etc. above the image portion2350).

The user interface3110can display notifications (and/or generate other alerts) for a particular physiological parameter (e.g., oxygen saturation) based on that physiological data corresponding to that physiological parameter or in some implementations may display notifications based on a combination on physiological data corresponding to more than one physiological parameter. For example, the user interface3110may generate a notification/alert in response to determining that a body temperature is elevated and a pulse rate is elevated. As another example, the user interface3110may generate a notification/alert in response to determine that a respiration rate is high and an oxygen saturation is low. Generating alerts/notifications based on a combination of physiological parameters may improve physiological monitoring by indicating a potential health risk before the health risk has progressed to a stage that is more difficult to manage. Accordingly, health care providers (e.g., parents) may provide care at an early stage of a health problem, such as a fever, before the problem has become painful, life-threatening, etc. to the infant.

FIG.32illustrates another example user interface3210. The user interface3210can include a notification3241. The notification3241can be associated with temperature data and/or a temperature icon of the physiological portion2340. The notification3241can indicate a temperature of the infant and/or a temperature of an environment. The user interface3210may display the notification3241automatically, such as in response to one or more temperatures exceeding a threshold. The user interface3210can display the notification3241in response to user selection on the physiological portion2340, such as selection of the temperature icon. The notification3241may be positioned beneath the image portion2350. The notification3141may be positioned above the physiological portion2340. The notification3241may be superimposed on the image portion2350. In some implementations, the notification3141may display information associated other icons in the physiological portion2340, such as pulse oximetry data, heart rate, pulse rate, or respiration rate.

The physiological portion2340can update an appearance of one or more icons. In this example, the temperature icon is circumscribed by a circle and may have an altered coloring, shading, texture, etc. The physiological portion2340can update an appearance of icons in response to one or more conditions, such as physiological data exceeding a threshold. For example, the physiological portion2340may display the temperature icon as shown inFIG.32in response to a body temperature and/or a room temperature exceeding a threshold. In some implementations, the physiological portion2340may alter the appearance of an icon in response to a user selecting the icon and/or in response to displaying the notification3241.

FIG.33illustrates another example user interface3310. The user interface3310can include an image portion3350and a physiological portion3340. The user interface3310may display the physiological portion3340in response to a user selection via the user interface3310. For example, the physiological portion3340may appear in response to a user selection on physiological portion2340shown and/or described with reference to other figures. The physiological portion3340may display more information than physiological portion2340. The physiological portion3340may be a detailed view of the subject's physiological parameters. A user may collapse the physiological portion3340to a condensed view (e.g., physiological portion2340) or to hide the physiological portion3340such as by swiping down on the user interface3310over the physiological portion. The physiological portion3340can include oxygen saturation information3343A, pulse rate information3343B, respiration rate information3343C, and/or body temperature information3343D. The physiological portion3340may display real-time physiological data.

The oxygen saturation information3343A can include an oxygen saturation parameter (e.g., 98%). The oxygen saturation information3343A can include a gauge. The gauge can indicate an oxygen saturation level corresponding to the oxygen saturation parameter. The gauge can include multiple portions, such as three portions. The portions can be discrete from each other. For example, each of the portions may have a unique coloring, shading, texture, etc. The portions may correspond to healthy oxygen saturation levels, warning oxygen saturation levels, and dangerous oxygen saturation levels. For example, a portion of the gauge shown on the right side of the gauge may be displayed as green and may correspond to normal or healthy oxygen saturation levels; a portion of the gauge shown in between the other two portions may be displayed as yellow and may correspond to abnormal oxygen saturation levels; and a portion of the gauge shown on the left side of the gauge may be displayed as red and correspond to dangerous oxygen saturation levels. The divisions between the portions of the gauge may correspond to general medical information and/or person-specific information. For example, the portion of the gauge corresponding to healthy levels may correspond to a certain saturation range (e.g., 93%-100%) if the subject is a certain age (e.g., 0-3) and another saturation range (e.g., 94%-100%) if the subject is another age (e.g., 4-6). The divisions between the portions may be predetermined, fixed, and/or dynamic.

The pulse rate information3343B can include a pulse rate parameter (e.g., 113 bpm). The pulse rate information3343B can include a gauge. The gauge can indicate a pulse rate corresponding to the pulse rate parameter. The gauge can include multiple portions, such as five portions, or less than five portions. The portions can be discrete from each other. For example, each of the portions may have a unique coloring, shading, texture, etc. The portions may correspond to healthy pulse rate rates, warning pulse rates, and dangerous pulse rates. For example, a portion of the gauge shown in the middle (e.g., between other portions) may be displayed as green and may correspond to normal or healthy pulse rates; portions of the gauge immediately adjacent to the health portion may be displayed as yellow and may correspond to a warning or abnormal pulse rates; and portions of the gauge on the ends of the gauge may be displayed as red and may correspond to dangerous pulse rates. The divisions between the portions of the gauge may correspond to general medical information and/or person-specific information. The divisions between the portions may be predetermined, fixed, and/or dynamic.

The respiration rate information3343C can include a respiration rate parameter (e.g., 41 rrp). The respiration rate information3343C can include a gauge. The gauge can indicate a respiration rate corresponding to the respiration rate parameter. The gauge can include multiple portions, such as five portions, or less than five portions. The portions can be discrete from each other. For example, each of the portions may have a unique coloring, shading, texture, etc. The portions may correspond to healthy respiration rate rates, warning respiration rates, and dangerous respiration rates. For example, a portion of the gauge shown in the middle (e.g., between other portions) may be displayed as green and may correspond to normal or healthy respiration rates; portions of the gauge immediately adjacent to the health portion may be displayed as yellow and may correspond to a warning or abnormal respiration rates; and portions of the gauge on the ends of the gauge may be displayed as red and may correspond to dangerous respiration rates. The divisions between the portions of the gauge may correspond to general medical information and/or person-specific information. The divisions between the portions may be predetermined, fixed, and/or dynamic.

The body temperature information3343D can include a body temperature parameter (e.g., 102.8° F.). The body temperature information3343D can include a gauge. The gauge can indicate a body temperature of corresponding to the body temperature parameter. The gauge can include multiple portions, such as five portions, four portions, or less than four portions. The portions can be discrete from each other. For example, each of the portions may have a unique coloring, shading, texture, etc. The portions may correspond to healthy body temperatures, warning body temperatures, and dangerous body temperatures. For example, portions of the gauge shown on the ends of the gauge may correspond to dangerous body temperatures and may be displayed as red. In this example, the gauge includes two dangerous portions, one warning portion, and one healthy portion in between the warning portion and the lower dangerous portion. In some implementations, the gauge can include two warning portions shown on either end of the healthy portion. The warning portion(s) may be yellow. The dangerous portion(s) may be red. The divisions between the portions of the gauge may correspond to general medical information and/or person-specific information. The divisions between the portions may be predetermined, fixed, and/or dynamic.

The physiological portion3340can display any of the information3343A-3343D differently. For example, the physiological portion3340may update a coloring, shading, texture, etc of any of the information3343A-3343D based on one or more conditions. For example, the body temperature information3343D can be displayed with red text and/or icon because the body temperature parameter may be at a dangerous level, whereas the text and/or icons of the other information3343A-3343C may be displayed with a different color than red, such as green because those parameters may be at normal levels. In some implementations, the physiological portion3340may change an appearance of the gauges (or needles of the gauges) based on a confidence level associated with the corresponding physiological data. In some implementations, the physiological portion3340may display physiological information corresponding to fewer than four physiological parameters.

The image portion3350can be positioned above the physiological portion3340. The image portion3350may be a reduced size image portion (e.g., reduced from image portion2350shown and/or described with reference to other figures). For example, the image portion3350may be smaller in size than image portion2350at least because physiological portion3340cover a large portion of the user interface than physiological portion2340. Image portion3350may have same aspect ratio as image portion2350. Image portion3350may have a different aspect ratio than image portion2350. For example, image portion3350may be cropped from image portion2350. The image portion3350may be a square with all sides having an equal length. The image portion3350may be a same size (e.g., same surface area) as the physiological portion3340. One or more sides of the image portion3350may be a same length as one or more sides of the physiological portion3340. For example, the image portion3350may have a same width as the physiological portion3340. The physiological portion3340may be a square with all sides having an equal length. Image portion3350may contact physiological portion3340at a centerline of the user interface3310with respect the top of the user interface3310relative to the bottom of the user interface3310.

The user interface3310may display the physiological portion3340and/or the image portion3350in response to a user selection of the “Live” button3389which may correspond to displaying real-time physiological data and/or real-time image data. A user can select the “Replay” button3379to view historical physiological data and/or historical image data.

FIG.34illustrates another example user interface3410. The user interface can include an image portion3450, a physiological portion3340B, and an indicator3440A. The indicator3440A can indicate a status of a sensor or wearable device. For example, the indicator3440A can indicate that a wearable sensor is not worn properly by the subject, that the wearable sensor is not properly acquiring physiological data, and/or that the wearable device is powered off. In this example, the indicator3440A indicates “bootie off” which may indicate that a boot sensor is not worn by the infant or is not worn properly or is powered off. The user interface3410may display the indicator3440A automatically in response to data received at the electronic device2300from a remote device such as a wearable physiological system or device.

The physiological portion3440B can display null physiological information, as shown in this example. The physiological portion3440B can display null information in response to a “bootie off” status. In some implementations, the physiological portion3440B may display less than all of the physiological information as null information. For example, the physiological portion3440B can display a real-time oxygen saturation parameter (e.g., 98%) simultaneously with displaying a null pulse rate. In some implementations, a “bootie off” condition may be detected for one or more sensors but one or more other sensors may still be collecting valid physiological data.

FIG.35illustrates another example user interface3510which includes an image portion corresponding to a camera off status. The user interface3510can display a camera off status in response to determining that a camera has been turned off and/or is not generating image data. The user interface3510can display a camera off status when image data is not received at the electronic device2300. The image portion3550can include a photo of an infant that is ordinarily monitored by a monitoring system. For example, a user may upload a photo to the electronic device2300which may be displayed in the image portion3550during a camera off status.

FIG.36illustrates another example user interface3610which includes an image portion3650that corresponds to a camera off status. During a camera off status, the image portion3650can display a generic infant image, such as a cartoon image, an animation, a computer-generated graphic, or the like. The physiological portion3640can display physiological information. For example, during a camera off status wearable sensors may continue to collect physiological data and the physiological portion3640may display said physiological data (e.g., in real-time). The physiological portion3640can display physiological information corresponding to less than four physiological parameters. In this example, the physiological portion3640displays physiological information corresponding to three physiological parameters (e.g., oxygen saturation, pulse rate, temperature). The information of each physiological parameter may be positioned equidistant from the information of each of the other physiological parameters (e.g., in a triangular shape as shown).

FIG.37illustrates another example user interface3710. The user interface370can include an image portion3750which may be positioned above physiological information3743A-3743E. The user interface3710can include physiological information3743A-3743E corresponding to physiological parameters. The physiological information3743A-3743E can include oxygen saturation information3743A, pulse rate information3743B, respiration rate information3743C, temperature information3743D, and sleep information3743E. The physiological information3743A-3743E can be positioned vertically relative to one another. For example, the oxygen saturation information3743A may be positioned above the pulse rate information3743B which may be positioned above the respiration rate information3743C, etc. A user may rearrange positions of the physiological information3743A-3743E within the user interface3710such as be selecting and dragging via the user interface3710.

Each of the physiological information3743A-3743D may include a trend line. The trend lines can display real-time physiological data in combination with historical physiological data. An appearance of each of the trend lines may change based on its corresponding physiological information. For example, a coloring, shading, texture of a trend line may change depending on whether the corresponding physiological information is normal, abnormal, dangerous, etc. As shown in this example, the trend line of the temperature information3743D includes variations in appearance that correspond to time and physiological data. For example, the left of the temperature trend line may be displayed a red corresponding to a time when the infant's body temperature was dangerous high, followed by a portion of the trend line that is displayed as yellow corresponding to a time when the infant's body temperature was at a warning level, followed by a portion of the trend line that is displayed as green corresponding to a time when the infant's body temperature was at a normal level.

A user may select to view real-time physiological information by selecting the button3713marked as “NOW”. A user may select to view historical physiological information by selecting a historical time along timeline3715such as 5:00 PM, 4:00 PM, 3:00 PM displayed to the left of button3713. The timeline3715may be positioned under the image portion3750. The timeline3715can be positioned above the physiological information3743A-3743E. The timeline3715may align with the trend lines of the physiological information3743A-3743E. Time indicator3711may intersect the timeline3715and may also intersect the trends lines of the physiological information3743A-3743E. The time indicator3711may intersect the timeline3715at a same time (e.g., 4:21 PM) as the time indicator3711intersects the trend lines. Selecting the button3713may cause the time indicator3711to advance to the present time along the timeline3715and/or to advance to the most recent data along the trend lines. In a default operation, the time indicator3711may remain at the most recent time and/or most recent data.

The sleep information3743E may include an event line which may indicate sleep events or sleep stages such as awake, asleep, REM, etc. Different sleep events or stages may be displayed along the sleep line. A timeframe that is represented by the sleep line may correspond to a timeframe that is represented by the trend lines and/or a time of the timeline3715. For example, the times along the sleep line, the trend lines, and the timeline3715may align vertically.

The image portion3750may display an image of the infant that is rotated (e.g., 90 degrees) from other image portions shown and/or described herein. The user interface3710may automatically rotate the display of the infant in the image portion3750based a size of the image portion3750and/or to maintain a certain aspect ratio of displayed images. For example, when the image portion3750occupies a small portion of the user interface3710, the image portion3750may rotate images (e.g., to display the infant as horizontal, as shown in this example) in order to maintain a certain aspect ratio while also maximizing a zoom level. The image portion3750can display an image corresponding to the time indicator3711. For example, the image portion3750can display a real-time image when the time indicator3711indicates a present time and/or when the user selects the button3713.

The user interface33710may display the image portion3750and/or the physiological information3743A-3743E in response to a user selecting the “Replay” button3779which may correspond to display historical image data and/or historical physiological information.

FIG.38illustrates another example user interface3810which can include image portion3850, timeline3815, and physiological information3843A-3843E. A user can select to view information associated with a particular time along the timeline3815. For example, a user may select particular times along the timeline3815or the user may drag the timeline left or right to slide through times continuously. In this example, the user may have deselected the button3813. Selecting a historical time along the timeline3815may cause one or more of the physiological information3843A-3843E to update to the selected time to display physiological information corresponding to the selected time. In some implementations, selecting a particular time via timeline3815may cause each of the physiological information3843A-3843E to update to that time. In some implementations, selecting a particular time along timeline3815may cause less than all of the physiological information3843A-3843E to update to that selected time. For example, the oxygen saturation information3843A may display historical information corresponding to a time indicated by time indicator3811while the pulse rate information3843B displays real-time physiological information.

A user may select to view historical information by selecting and/or dragging along a trend line. For example, a user may select/drag along the oxygen saturation trend line to view historical oxygen saturation information. In some implementations, selecting and/or dragging along a particular trend line may cause the time indicator3811to move along the timeline3815and/or along the other trend lines. In some implementations, selecting and/or dragging along a particular trend line may cause each of the other trend lines to similarly move and/or to display historical information corresponding to a same selected historical time. In some implementations, selecting and/or dragging along a particular trend line may not affect the trend lines of the other physiological information. In some implementations, a user may view historical information along one or more trend lines (e.g., by swiping/dragging) for up to seven previous days or more than seven previous days. In some implementations, one or more trend lines may include data gaps corresponding to missing or invalid data.

The image portion3850can display historical images, such as images that correspond to a time of the time indicator3811along the timeline3815. The image portion3850can display a still image, such as a paused video. A user can select to play a video via the image portion3850by selecting via the image portion3850. In some implementations, playing a video via the image portion3850may cause the time indicator3811to move along the timeline1815and/or along the trend lines of the physiological information3843A-3843E. In some implementations, moving the time indicator3811and/or the trend lines may cause a video displayed via the image portion3850to advance frame by frame. In some implementations, a video in the image portion3850may play independently of motion or position of the time indicator3811.

FIG.39illustrates another example user interface3910. The user interface3910include can include a library3940which can include icons corresponding to one or more topics including physiological parameters such as oxygen saturation, pulse rate, etc. A user may select via the library3940to access more information relating to one or more topics. For example, selecting oxygen saturation via library3940may display of information relating to oxygen saturation, such as shown and/or described atFIG.40.

FIG.40illustrates another example user interface4010which may be displayed in response to a user selection via library3940. The user interface4010can include an information portion4040can display information relating to a selected topic (e.g., oxygen saturation). Information portion4040can include one or more subtopics such as “what is it”, “why it matters”, etc.

FIG.41illustrates another example user interface4110which may be displayed in response to user request, query, search, etc. The user interface4110can display one or more links to one or more articles which may be accessed from a remote database or server. The articles may provide additional information to a user relating to a particular health topic. The user interface4110may display a selected article in response to selection.

FIG.42illustrates another example user interface4210. The user interface4210may be a default user interface which may be referred to as a “home screen”. The user interface4210can include a monitoring widget4205. The widget4205can include an image portion4250which can include features of any of the other image portions shown and/or described herein. The widget4205can include a physiological portion4240which can include features of any of the other physiological portions shown and/or described herein. The image portion4205can display an image of an infant that is monitored such as a real-time image. The physiological portion4240can display physiological information, including physiological icons, which may be displayed differently based on physiological data. For example, the physiological icons may change color (e.g., green, yellow, red) based on physiological data. The widget4205can include one or more alerts or notifications based on the physiological data. The widget can display a remaining battery life of a remote wearable device or remote camera.

The user interface4210may display the widget4205continuously based on a user preference. Advantageously, the user may continuously view and/or monitor the infant via the widget4205from the user's default home screen without having to open a specific application from the home screen user interface4210. The user interface4210may display the widget4205adjacent to mobile application icons. The widget4205may be positioned in a top portion of the user interface4210. The widget4205may be positioned in a side portion of the user interface4205. In this example, the widget4205is positioned in a top, left corner of the user interface4210. In some implementations, a user may be able to change a position of the widget4205within the user interface4210, such as by dragging the widget4205around via the user interface4210.

FIG.43illustrates another example user interface4310. The user interface4310can include a monitoring widget4305which can include similar features as shown and/or described with reference to widget4205inFIG.42. The widget4305may include an image portion4350and a physiological portion4340. The physiological portion4340can include physiological icons and physiological parameters. The widget may be positioned in a top portion of the user interface4310. The widget4305may be an enlarged widget. The widget may occupy a greater portion of the user interface than widget4205. The widget4305may be positioned at central location of the user interface4310with respect to left and right, as shown in this example.

FIG.44illustrates another example user interface4410. The user interface4410may be displayed by an electronic device such as electronic device2300shown and/or described herein, or any of the other example electronic devices shown and/or described herein. The user interface4410can include a timeframe portion4420. In this example, the timeframe portion4420corresponds to a daily timeframe. For example, the timeframe portion4420displays a week (e.g., seven consecutive days) with one of the days highlighted. In this example, Tuesday the 13this highlighted. The day that is highlighted in the timeframe portion4420may correspond to the physiological data displayed in the user interface4410. A user may select various days in the timeframe4420to view corresponding physiological data via the user interface4410. In some implementations, a user may select more than one day in the timeframe4420.

The user interface4410can include a physiological portion4440which can display physiological information of subject that is monitored with physiological sensors. A user may select to view physiological information pertaining to various physiological parameters such as SpO2, pulse rate, respiration rate, temperature, etc. In this example, a user has selected to view physiological information associated with an SpO2 parameter. The physiological portion4440can include a summary portion4441which can display physiological information associated with the timeframe selected in the timeframe4420. For example, the summary portion4441can display an average physiological parameter (e.g., 92% SpO2) for the timeframe Tuesday the 13th. The summary portion4441can indicate how an average physiological parameter for the timeframe (e.g., 92%) relates to a normal physiological parameter level. In this example, the summary portion4441indicates that the average daily SpO2 parameter (e.g., 92%) is below a normal level. As another example, the summary portion4441can display a range of physiological parameters (e.g., 91%-99%) for the same timeframe. As another example, the summary portion4441can display a range of parameters values corresponding to normal levels (e.g., 94%-100%), which may be determined based on person-specific demographics such as age.

The physiological portion4440can include a parameter range visualization4445which may display a visualization of a range of physiological parameters measured during the timeframe selected via the timeframe4420. The physiological portion4440can include a parameter average visualization4447which may display a visualization of an average of physiological parameters measured during the timeframe selected via the timeframe4420. The parameter average visualization4447may be positioned within the parameter range visualization4445. In this example, the parameter average visualization4447is 92% and is displayed within the parameter range visualization4445which extends from less than 92% to greater than 94%.

The physiological portion4440can include a normal range visualization4443. The normal range visualization4443may correspond to a normal range indicated in the summary portion4441(e.g., 94%-100%). The parameter range visualization4445may be positioned at least partially within the normal range visualization4443, as shown. The position of the parameter range visualization4445relative to the normal range visualization4443may depend on the range of physiological parameters measured during the timeframe and the range of normal parameter values. In some implementations, the parameter range visualization4445may be positioned entirely within the normal range visualization4443. In some implementations, the parameter range visualization4445may positioned entirely at an exterior of the normal range visualization4443. The parameter average visualization4447may be positioned within or without the normal range visualization4443, depending on the implementation. The normal range visualization4443and/or the parameter range visualization4445may be displayed horizontally (e.g., with the parameter value scale along a horizontal axis (e.g., X axis)), as shown in this example. In some implementations, they may be displayed horizontally vertically.

The user interface4410can include an events portion4430which can indicate one or more physiological related events and a time associated with said events. In this example, the events portion4430indicates that an SpO2 level was at 91% at 3:40 pm and was at 93% at 2:00 pm. The events portion4430can display physiological events that satisfy one or more conditions, such as exceeding a threshold, exceeding a threshold for a length of time, etc. For example, the events portion4430may display all occurrences when the SpO2 level was outside a normal range (e.g., less than 94%). A user may select events that are displayed within the events portion4430to view additional details relating to the events, such as a duration of the event or medical information relating to the event.

Although aspects of user interface4410are described with respect to an SpO2 parameter, similar aspects are contemplated with respect to other physiological parameters, such as pulse rate, respiration rate, and/or temperature, which may be based on a user selection via physiological portion4440.

FIG.45illustrates another example user interface4510. User interface4510can include a timeframe4520which may display a week (e.g., seven days). In some implementations, a user may select less than seven days to cause the user interface4510to update to display corresponding physiological information. The user interface4510may display physiological information corresponding to a timeframe selected via the timeframe4520.

The user interface4510can include a summary portion4540which can display physiological information corresponding to the selected timeframe, including an average parameter value for the timeframe (e.g., 92% for the days October 10-October 16) and a normal range for the parameter (e.g., 94% to 100%). The physiological portion4541can indicate how the timeframe average (e.g., 92%) relates to a normal range how daily averages relate to the timeframe average. In this example the physiological portion4541indicates that a daily average is less than the timeframe average on two days within the timeframe.

The physiological portion4540can include a graph4542. The graph4542can include a horizontal axis which may correspond to time. The graph4542can include a vertical axis which may correspond to parameter values. In some implementations, the axes may be switched. The graph4542can include a normal range visualization4543, one or more daily range visualizations4545, one or more daily average visualizations4547, and a timeframe average visualization4548. The normal range visualization4543can include an upper and a lower limit which may be displayed as lines extending across the days on the graph4542. The timeframe average visualization4548may extend parallel to the normal range visualization4543. The one or more daily range visualizations4545may correspond to days within the graph4542. In this example, the graph4542includes four daily range visualizations4545corresponding to Monday, Tuesday, Wednesday, and Thursday. The graph4542may not display daily range visualization for Friday-Sunday because those days have not yet occurred and/or because a user may not have selected to view information pertaining to those days. The daily range visualizations4545may each include a daily average visualization4547.

The user interface4510can include an events portion4530which can display information relating to one or more physiological events.

FIG.46illustrates another example user interface4610. The user interface4610can include a timeframe4620which may display one or more months. A user may select one or more months displayed within timeframe4620, such as October, as shown in this example.

The user interface4610can include a physiological portion4640which can include a calendar4646and a graph4642. The calendar4646may be a month calendar displaying the days of a month such as a month selected via timeframe4620. The calendar4646can indicate physiological information associated with days of the selected month such as whether an average parameter value for each day exceeded a threshold, such as a normal range threshold, a weekly average, monthly average, yearly average, etc. In this example, the calendar4646indicates that the daily average for three days (e.g., the 2nd, 5th, and 13th) was outside a normal range. The calendar4646can change an appearance of the days based on whether they exceed a threshold or by how much they exceed a threshold. For example, the 2ndday and the 13thday may be displayed as one color (e.g., red) corresponding to a dangerous parameter value and the 5thday may be displayed as another color (e.g., yellow) corresponding to an abnormal parameter value but that is not yet dangerous.

The user interface4610can include a summary portion4641positioned between the calendar4646and the graph4642. The summary portion4641can indicate an average corresponding to the timeframe selected, such as 93%.

The graph4642can include a horizontal axis which may correspond to time. The graph4642can include a vertical axis which may correspond to parameter values. In some implementations, the axes may be switched. The graph4642can include multiple sections each corresponding to one or more consecutive days (e.g., a week). For example, the graph4642can include a section corresponding to September 28thto October 2nd, a section corresponding to October 3rdto October 9th, and so forth. The graph4642can include one or more weekly range visualizations4645which may a range of parameter value corresponding to seven or less consecutive days associated with the timeframe selected via timeframe4620. The graph4642can include one more weekly average visualizations4647which may correspond to an average parameter value corresponding to seven or less consecutive days associated with the timeframe selected via timeframe4620. The graph4642can include a monthly average visualization4648which may indicate an average parameter value for the timeframe selected via timeframe4620(e.g., 93%). The graph4642can include a normal range visualization4643which can indicate a normal range of parameter values.

The user interface4610can include an events portion4630which can display information relating to one or more physiological events. Portions of the user interface4610may not be displayed simultaneously. For example, a user may scroll through the user interface4610as various portions are displayed via an electronic device.

FIG.47is a block diagram of an example electronic device4700. The electronic device4700can include similar structural and/or operation features as any of the other example electronic devices shown and/or described herein, such as electronic device900and/or electronic device2300. As an example, the electronic device4700may be a watch or a phone. The electronic device4700can include a hardware processor4701, a storage component4703, a communication module4705, a power source4707, and a display screen4709.

The hardware processor4701can be configured to execute program instructions to cause the electronic device4700to perform one or more operations. The hardware processor4701can be configured, among other things, to process data, execute instructions to perform one or more functions, and/or control the operation of the electronic device4700. For example, the hardware processor4701can process physiological data obtained from physiological sensors and can execute instructions to perform functions related to storing, analyzing, and/or transmitting such physiological data. The hardware processor4701can generate user interface data and can cause the electronic device4700to render a user interface, such as any of the example user interfaces shown and/or described herein.

The storage component4703can include any computer readable storage medium and/or device (or collection of data storage mediums and/or devices), including, but not limited to, one or more memory devices that store data, including without limitation, dynamic and/or static random-access memory (RAM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), optical disks (e.g., CD-ROM, DVD-ROM, etc.), magnetic disks (e.g., hard disks, floppy disks, etc.), memory circuits (e.g., solid state drives, random-access memory (RAM), etc.), and/or the like. Such stored data can be processed and/or unprocessed physiological data obtained from physiological sensors, and image data, for example.

The communication module4705can facilitate communication (via wired and/or wireless connection) between the electronic device4700(and/or components thereof) and separate devices, such as separate monitoring hubs, monitoring devices, sensors, systems, servers, or the like. For example, the communication module4705can be configured to allow the electronic device4700to wirelessly communicate with other devices, systems, and/or networks over any of a variety of communication protocols. The communication module4705can be configured to use any of a variety of wireless communication protocols, such as Wi-Fi, Bluetooth®, ZigBee®, Z-Wave®, cellular telephony, infrared, near-field communications (NFC), radio frequency identification (RFID), satellite transmission, proprietary protocols, combinations of the same, and the like. The communication module4705can allow data and/or instructions to be transmitted and/or received to and/or from the electronic device4700and separate computing devices. The communication module4705can be configured to transmit and/or receive (for example, wirelessly) processed and/or unprocessed physiological data with separate computing devices including physiological sensors, monitoring hubs, remote servers, or the like. As another example, the communication module4705can be configured to transmit and/or receive (for example, wirelessly) image data with separate computing devices including physiological sensors, monitoring hubs, cameras, remote servers, or the like. The communication module4705can be embodied in one or more components that are in communication with each other. The communication module4705can include one or more wireless transceivers, one or more antennas, one or more radios, and/or a near field communication (NFC) component such as a transponder.

The power source4707can provide power for components of the electronic device4700. The power source4707can include a battery. In some implementations, the power source4707may be external to the electronic device4700. For example, the electronic device4700can include or can be configured to connect to a cable which can itself connect to an external power source to provide power to the electronic device4700. The power source266can include a dual-battery configuration with a main battery and a backup battery. The electronic device4700can additionally or alternatively be configured to be solar-powered, for example, by including a solar panel.

The display screen4709can display user interfaces, such as any of the example user interfaces, or aspects thereof, that are shown and/or described herein. The display screen4709can include an LED screen, an LCD screen, an OLED screen, a QLED screen, a plasma display screen, a quantum dot display screen, or the like. The display screen4709may be responsive to touch. For example, the display screen may comprise a touchscreen such as a resistive touchscreen, a capacitive touchscreen, an infrared touchscreen, a surface acoustic wave touchscreen, or the like.

Additional Embodiments

1. A system for measuring at least one physiological parameter of a subject, the system comprising:a wearable device configured to be secured to a foot of the subject; anda sensor component removably securable to the wearable device and comprising one or more sensors for measuring said at least one physiological parameter of the subject, said sensor component further comprising a sensor strap configured to be wrapped around a portion of the subject's foot and secured to a portion of the wearable device, thereby securing the wearable device and the sensor component to the subject's foot.

2. The system of Embodiment 1, wherein:said sensor strap comprises a first portion of the sensor component that is configured to be wrapped around said portion of the subject's foot and secured to a first portion of the wearable device; anda second portion of the sensor component is configured to be removably secured to a second portion of the wearable device.

3. The system of Embodiment 2, wherein the wearable device defines a first volume configured to receive the subject's foot and a second volume configured to removably receive said second portion of the sensor component.

4. The system of Embodiment 3, wherein the wearable device comprises:a base configured to contact at least a portion of a bottom of the subject's foot, said second volume of said wearable device formed by a cavity of said base; anda wall extending outward from the base and configured to surround a heel and at least a portion of one or more sides of the subject's foot.

5. The system of Embodiment 4, wherein:the wearable device further comprises a frame arranged within said cavity, said frame configured to removably secure said second portion of the sensor component;said base and said wall form a unitary structure made of a first material; andsaid frame is made of a second material that is more rigid than the first material.

6. The system of any of Embodiments 4-5, wherein said first portion of the wearable device is arranged on a portion of said wall.

7. The system of Embodiment 6, wherein said first portion of the wearable device comprises an opening in said portion of said wall, and wherein said sensor strap is configured to be inserted through said opening.

8. The system of any of Embodiments 4-7, wherein said first volume is defined by said base and said wall at a location above said cavity of said base.

9. The system of any of Embodiments 4-8, wherein said wall extends around a portion of a perimeter edge of said base.

10. The system of Embodiment 9, wherein said wall extends around less than an entirety of said perimeter edge of said base.

11. The system of any of Embodiments 4-10, wherein said wall does not extend around an entirety of said cavity.

12. The system of any of Embodiments 2-11, wherein said sensor component comprises:a sensor hub comprising one or more processors, said sensor hub configured to be removably secured to said second portion of the wearable device, wherein said sensor strap is connected to and extends outward from the sensor hub;one or more emitters configured to emit optical radiation into tissue of the subject's foot, said one or more emitters located within the sensor hub; and
one or more detectors configured to detect at least a portion of the emitted optical radiation after passing through the tissue and output at least one signal responsive to the detected optical radiation, said one or more detectors located within the sensor strap, wherein the one or more processors of the sensor hub are configured to receive the at least one signal outputted by the one or more detectors to determine said at least one physiological parameter of the subject.

13. The system of Embodiment 12, wherein the system is configured such that, when the sensor hub is secured to said second portion of the wearable device and the sensor strap is secured to said first portion of the wearable device: the one or more detectors are positioned adjacent a top or side portion of the subject's foot; and the one or more emitters are positioned adjacent a bottom portion of the subject's foot.

14. The system of any of Embodiments 12-13, wherein the sensor hub and the sensor strap form a unitary structure.

15. The system of any of Embodiments 12-14, wherein the sensor strap comprises:a first section connected to and extending outward from the sensor hub, wherein the one or more detectors are positioned within the first section; anda second section that is releasably connectable to the first section, wherein the second section is configured to secure to said first portion of the wearable device.

16. The system of Embodiment 15, wherein: the first and second sections have different lengths; and/or the first and second sections comprise different materials.

17. The system of any of Embodiments 15-16, wherein the first section is more stretchable than the second section.

18. The system of any of Embodiments 12-17, wherein the sensor strap is configured to be stretched to allow adjustment of a position of the one or more detectors relative to the subject's foot.

19. The system of any of Embodiments 12-18, wherein the sensor hub comprises:a housing, the housing comprising an opening configured to be positioned adjacent skin of the subject's foot when the sensor hub is secured to said second portion of the wearable device;a thermally conductive probe positioned at least partially within said opening; anda temperature sensor positioned within said housing;wherein said thermally conductive probe is configured to transmit thermal energy from the skin at least partially toward said temperature sensor.

20. The system of Embodiment 19, wherein said thermally conductive probe extends through said opening and is configured to contact the skin of the subject's foot.

21. The system of any of Embodiments 1-20, wherein:said sensor strap is configured to be wrapped around the portion of the subject's foot and secured to a first portion of the wearable device; andthe system further comprises an additional strap removably securable to a second portion of the wearable device and configured to be: (i) wrapped around another portion of the subject's foot or a portion of an ankle or a leg of the subject and (ii) secured to a third portion of the wearable device.

22. The system of any of Embodiments 1-21, wherein:said sensor strap is configured to be wrapped around the portion of the subject's foot and secured to a first portion of the wearable device; andthe system further comprises an additional strap having a first end that is connected to a second portion of the wearable device and a second end that is configured to be: (i) wrapped around another portion of the subject's foot or a portion of the subject's ankle or leg and (ii) secured to a third portion of the wearable device.

23. A system for measuring at least one physiological parameter of a subject, the system comprising:a wearable device configured to be secured to a foot of the subject, said wearable device comprising a cavity;a sensor hub configured to be removably secured within the cavity of the wearable device, said sensor hub comprising one or more processors;a sensor strap connected to and extending outward from the sensor hub, said sensor strap configured to be wrapped around a portion of the subject's foot and secured to a portion of the wearable device;one or more emitters configured to emit optical radiation into tissue of the subject's foot, said one or more emitters arranged within one of the sensor hub and the sensor strap; and
one or more detectors configured to detect at least a portion of the emitted optical radiation after passing through the tissue and output at least one signal responsive to the detected optical radiation, said one or more detectors arranged within the other one of the sensor hub and the sensor strap;wherein the one or more processors of the sensor hub are configured to receive the at least one signal outputted by the one or more detectors to determine the at least one physiological parameter of the subject.

24. The system of Embodiment 23, wherein the wearable device is configured such that the cavity is positioned adjacent a bottom portion of the subject's foot when the wearable device is secured to the subject's foot.

25. The system of any of Embodiments 23-24, wherein the system is configured such that:the one or more detectors are configured to be positioned adjacent a top portion of the subject's foot when the system is in use; andthe one or more emitters are configured to be positioned adjacent a bottom portion of the subject's foot when the system is in use.

26. The system of any of Embodiments 23-25, wherein when the sensor hub is secured within the cavity and the sensor strap is secured to the portion of the wearable device:the one or more detectors are arranged within the sensor strap to face toward the sensor hub; andthe one or more emitters are arranged within the sensor hub to face toward the sensor strap.

27. The system of any of Embodiments 23-26, wherein the sensor hub and the sensor strap form a unitary structure.

28. The system of any of Embodiments 23-27, wherein the sensor strap comprises:a first section connected to and extending outward from the sensor hub, wherein the one or more detectors are positioned within the first section; anda second section that is releasably connectable to the first section, wherein the second section is configured to secure to the portion of the wearable device.

29. The system of Embodiment 28, wherein the first and second sections have different lengths.

30. The system of any of Embodiments 28-29, wherein the first section is more stretchable than the second section.

31. The system of any of Embodiments 23-30, wherein the wearable device comprises:a main body comprising:a base configured to contact at least a portion of a bottom of the subject's foot, the base comprising said cavity; anda wall extending outward from the base and configured to surround a heel and at least a portion of one or more sides of the subject's foot; anda frame positioned within said cavity, said frame configured to removably secure to the sensor hub.

32. The system of Embodiment 31, wherein the main body is made of a first material and the frame is made of a second material that is more rigid than the first material.

33. The system of any of Embodiments 31-32, wherein:said base comprises a base surface that is configured to contact said at least the portion of the bottom of the subject's foot;said cavity has a first depth below said base surface; andthe wearable device further comprises a recess positioned along an exterior edge of the base and adjacent said cavity, said recess having a second depth below said base surface, said second depth being smaller than said first depth and substantially equal to a thickness of the sensor strap, said recess configured to receive a portion of the sensor strap when the sensor hub is secured within said cavity such that the sensor hub and said portion of the sensor strap form a substantially flush surface with said base surface.

34. The system of any of Embodiments 23-33, wherein:said sensor strap is configured to be wrapped around the portion of the subject's foot and secured to the portion of the wearable device, said portion of the wearable device being a first portion of the wearable device; andthe system further comprises an additional strap separate from said sensor strap and configured to be: (i) wrapped around another portion of the subject's foot or a portion of an ankle or a leg of the subject and (ii) secured to a second portion of the wearable device.

35. The system of any of Embodiments 23-34, wherein the sensor hub comprises:a housing, the housing comprising an opening configured to be positioned adjacent skin of the subject's foot when the sensor hub is secured within the cavity of the wearable device;a thermally conductive probe positioned at least partially within said opening; anda temperature sensor positioned within said housing;wherein said thermally conductive probe is configured to transmit thermal energy from said skin at least partially toward said temperature sensor.

36. The system of Embodiment 35, wherein said thermally conductive probe extends through said opening and is configured to contact said skin when the system is in use.

37. The system of any of Embodiments 23-36, wherein:said one or more detectors are arranged within the sensor strap and said one or more emitters are arranged within the sensor hub;the wearable device further comprises a flexible circuit extending within a portion of the sensor hub and a portion of the sensor strap and electrically connecting the one or more detectors with the one or more processors or another circuit to which the one or more processors are connected;said portion of the sensor strap is configured to be stretched from a first state to a second state, said portion of the sensor strap having a greater length when in said second state than when in said first state;said one or more detectors are arranged at a first location within said portion of the sensor strap that is spaced a first distance from the sensor hub; anda length of a portion of the flexible circuit that is positioned within said portion of the sensor strap is greater than said first distance to allow the flexible circuit to accommodate said stretching of said portion of the sensor strap from the first state to the second state while maintaining connection between the one or more detectors with the one or more processors or said another circuit to which the one or more processors are connected.

38. The system of any of Embodiments 23-37, wherein:said one or more detectors are arranged within the sensor strap and said one or more emitters are arranged within the sensor hub; andsaid sensor strap is configured to be stretched to allow adjustment of a position of the one or more detectors relative to the subject's foot.

39. A system for measuring at least one physiological parameter of a subject, the system comprising:a wearable device configured be secured to a foot of the subject; anda sensor hub configured to be removably secured to the wearable device, the sensor hub comprising:a housing, the housing comprising an opening configured to be positioned adjacent a portion of the subject's foot;a thermally conductive probe positioned at least partially within said opening; anda temperature sensor positioned within said housing;wherein said thermally conductive probe is configured to transmit thermal energy from said portion of the subject's foot at least partially toward said temperature sensor.

40. The system of Embodiment 39, wherein, said temperature sensor is arranged within said housing such that said temperature sensor does not contact skin of the subject when the system is in use.

41. The system of any of Embodiments 39-40, further comprising a sensor strap connecting to and extending outward from the sensor hub, said sensor strap and said sensor hub forming a unitary structure, said sensor strap configured to be wrapped around a portion of the subject's foot and secured to a portion of the wearable device.

42. The system of Embodiment 41, further comprising:one or more emitters arranged within the sensor hub and configured to emit optical radiation into tissue of the subject's foot;one or more detectors arranged within the sensor strap and configured to detect at least a portion of the emitted optical radiation after passing through the tissue and output at least one signal responsive to the detected optical radiation; andone or more processors arranged within the sensor hub and configured to receive the at least one signal outputted by the one or more detectors to determine the at least one physiological parameter of the subject.

43. The system of any of Embodiments 39-42, wherein:said temperature sensor is a first temperature sensor of the sensor hub; andthe sensor hub further comprises:a second temperature sensor spaced from said first temperature sensor; andone or more processors configured to receive temperature data from each of said first and second temperature sensors and determine one or more body temperature values of the subject based on said received temperature data.

44. The system of any of Embodiments 39-43, wherein the sensor hub further comprises:a metal plate positioned within said housing, wherein said thermally conductive probe extends transverse relative to a plane of said metal plate; anda circuit layer positioned adjacent to said metal plate, wherein said temperature sensor is mounted to said circuit layer and said circuit layer is positioned between said temperature sensor and said metal plate.

45. The system of any of Embodiments 39-44, wherein said thermally conductive probe comprises a rounded protrusion.

46. The system of any of Embodiments 39-45, wherein said thermally conductive probe protrudes through said opening and is configured to contact skin of the subject's foot when the system is in use.

47. A wearable device configured to be secured to a foot of a subject, said wearable device defining a first volume configured to receive at least a portion of the subject's foot and a second volume configured to removably receive and secure an electronic device comprising one or more sensors for monitoring information relating to at least one of physiological, location, and motion of the subject, said wearable device comprising a material configured to allow at least a portion of the wearable device to resiliently deform.

48. The wearable device of Embodiment 47, wherein the wearable device is configured such that said second volume is positioned adjacent a bottom of the subject's foot when the at least the portion of the subject's foot is received by the first volume.

49. The wearable device of any of Embodiments 47-48, wherein the second volume is less than the first volume.

50. The wearable device of any of Embodiments 47-49, wherein the wearable device comprises:a base configured to contact at least a portion of a bottom of the subject's foot, said second volume of said wearable device formed by a cavity of said base; anda wall extending outward from the base and configured to surround a heel and at least a portion of one or more sides of the subject's foot, wherein said first volume of said wearable device is defined by said base and said wall at a location above said cavity of said base.

51. The wearable device of Embodiment 50, wherein:said wall comprises a first sidewall portion configured to be positioned adjacent a first side of the subject's foot, a second sidewall portion configured to be positioned adjacent a second side of the subject's foot, and a back wall portion configured to be positioned adjacent a heel of the subject's foot; andsaid first sidewall portion, said second sidewall portion, and said back wall portion form a unitary structure.

52. The wearable device of any of Embodiments 50-51, wherein:the wearable device further comprises a frame arranged within said cavity, said frame configured to removably secure said electronic device;said base and said wall form a unitary structure made of a first material; andsaid frame is made of a second material that is more rigid than the first material.

53. The wearable device of any of Embodiments 50-52, wherein said wall extends around a portion of a perimeter edge of said base.

54. The wearable device of Embodiment 53, wherein said wall extends around less than an entirety of said perimeter edge of said base.

55. The wearable device of any of Embodiments 50-54, wherein said wall does not extend around an entirety of said cavity.

56. The wearable device of any of Embodiments 50-55, further comprising a strap, said strap having:a first end that is integrally connected or removably connectable to a first portion of the wall; anda second end opposite the first end, said second end configured to be wrapped around a portion of subject's foot and further configured to secure the strap to a second portion of the wall.

57. The wearable device of Embodiment 56, wherein said second portion of the wall comprises an opening, and wherein said second end of the strap is configured to be inserted through said opening and secured to a portion of the strap.

58. A system comprising the wearable device of any of Embodiments 47-57 and said electronic device.

59. The system of Embodiment 58, wherein said electronic device comprises a sensor hub.

60. The system of any of Embodiments 58-59, wherein said wearable device comprises a first opening configured to allow the electronic device to be inserted into said cavity and a second opening configured to aid in removing the electronic device from the wearable device, said first opening having a different size than said second opening.

61. A kit comprising:a first wearable device defining a first volume configured to receive at least a portion of a subject's foot and a second volume configured to removably receive and secure an electronic device comprising one or more sensors for monitoring information relating to at least one of physiological, location, and motion of the subject; anda second wearable device defining a first volume configured to receive at least a portion of a subject's foot and a second volume configured to removably receive and secure said electronic device;wherein said first volumes of the first and second wearable devices are different; andwherein said second volumes of the first and second wearable devices are substantially equal.

62. The kit of Embodiment 61, wherein each of the second volumes of the first and second wearable devices are configured to be positioned adjacent a bottom of the subject's foot when the at least the portion of the subject's foot is received by the respective first volume.

63. The kit of Embodiment 61, wherein:the second volume of the first wearable device is less than the first volume of the first boot; andthe second volume of the second wearable device is less than the first volume of the second boot.

64. A system comprising the first and second wearable devices of any of Embodiments 61-62 and further comprising said electronic device.

65. The system of Embodiment 64, wherein said electronic device comprises a sensor hub.

66. The system of any of Embodiments 64-65, wherein each of the first and second wearable devices comprise:a base configured to contact at least a portion of a bottom of the subject's foot, said second volumes of said wearable devices formed by a cavity of said base; anda wall extending outward from the base and configured to surround a heel and at least a portion of one or more sides of the subject's foot.

67. The system of Embodiment 66, wherein:each of the first and second wearable devices further comprise a frame arranged within said cavity, said frame configured to removably secure said sensor hub;said base and said wall form a unitary structure made of a first material; andsaid frame is made of a second material that is more rigid than the first material.

68. The system of any of Embodiments 66-67, wherein said first volumes of the first and second wearable devices are defined by said base and said wall at a location above said cavity of said base.

69. The system of any of Embodiments 66-68, wherein said wall extends around a portion of a perimeter edge of said base.

70. The system of Embodiment 69, wherein said wall extends around less than an entirety of said perimeter edge of said base.

71. The system of any of Embodiments 66-70, wherein said wall does not extend around an entirety of said cavity.

72. A system configured to be secured to a foot and an ankle of a subject and measure at least one physiological parameter of the subject, the system comprising:a wearable device comprising:a main body comprising a resilient material and configured to receive and support the foot and the ankle of the subject;an opening in the main body, the opening configured to be positioned adjacent a bottom portion of the subject's foot when the wearable device is in use; anda holder connected to and extending outward from the main body adjacent the opening, the holder configured to extend away from a bottom portion of the subject's foot when the wearable device is in use;a sensor dock configured to removably connect to the holder of the wearable device, the sensor dock comprising:a main body configured to be received within the holder of the wearable device;a sensor strap connected to and extending outward from the main body of the sensor dock, the sensor strap configured to be positioned at least partially within and extend outward from the opening in the main body of the wearable device when the main body of the sensor dock is connected to the holder of the wearable device, the sensor strap further configured to be wrapped around a top portion of the subject's foot to secure the wearable device to the subject's foot when in use;one or more emitters operably positioned within a first portion of the sensor strap and configured to be positioned adjacent the top portion of the subject's foot when the sensor strap is wrapped around the top portion of the subject's foot, the one or more emitters configured to emit optical radiation into tissue of the subject's foot when in use; andone or more detectors operably positioned within a second portion of the sensor strap that is spaced away from the first portion of the sensor strap, the one or more detectors configured to be positioned adjacent a bottom portion of the subject's foot when the wearable device is in use, the one or more detectors configured to detect at least a portion of the emitted optical radiation after passing through said tissue and output at least one signal responsive to the detected optical radiation; anda sensor hub configured to removably connect to the sensor dock, the sensor hub comprising one or more processors and a battery, wherein, when the sensor hub is connected to the sensor dock:the sensor dock is configured to receive power from the battery of the sensor hub to allow for operation of the one or more emitters and the one or more detectors; andthe one or more processors of the sensor hub are configured to receive and process said at least one signal outputted by the one or more detectors of the sensor dock assembly to determine the at least one physiological parameter of the subject.

73. The system of Embodiment 72, wherein the at least one physiological parameter comprises a blood oxygen saturation.

74. The system of any of Embodiments 72-73, wherein the sensor dock further comprises a temperature sensor usable for determining body temperature of the subject.

75. The system of Embodiment 74, wherein the temperature sensor is operably positioned within the second portion of the sensor strap and configured to be positioned adjacent the bottom portion of the subject's foot when the wearable device is in use.

76. The system of any of Embodiments 72-75, wherein the sensor strap is configured to wrap around the top portion of subject's foot and secure to a portion of the main body of the wearable device.

77. The system of any of Embodiments 72-76, wherein the first portion of the sensor strap is configured to be positioned opposite the second portion of the sensor strap when the sensor strap is wrapped around said top portion of the subject's foot.

78. The system of any of Embodiments 72-77, further comprising an emitter package comprising the one or more emitters and a detector package comprising the one or more detectors.

79. The system of Embodiment 78, wherein the emitter package and the detector package generally align with one another when the sensor strap is wrapped around the top portion of the subject's foot.

80. The system of any of Embodiments 72-79, wherein the holder comprises a resilient material.

81. The system of any of Embodiments 72-80, wherein the holder comprises a cavity configured to removably receive the main body of the sensor dock and the sensor hub when the sensor hub is connected to the sensor dock.

82. The system of any of Embodiments 72-81, wherein the sensor strap is the only component of the sensor dock that secures the wearable device to the subject's foot.

83. The system of any of Embodiments 72-82, further comprising a wearable device strap configured to secure the main body of the wearable device to a lower leg and/or the ankle of the subject.

84. The system of Embodiment 83, wherein the main body of the wearable device comprises a connector for removably connecting to the wearable device strap.

85. The system of Embodiment 83, wherein the wearable device strap is integrally formed with the main body of the wearable device.

86. The system of any of Embodiments 72-85, wherein the main body of the wearable device comprises a base configured to contact the bottom portion of the subject's foot when the wearable device is in use, the base comprising said opening.

87. The system of Embodiment 86, wherein the base is configured to contact one or more of a heel of the subject's foot, an arch of the subject's foot, a ball of the subject's foot, and one or more toes of the subject's foot.

88. The system of Embodiment 86, wherein a portion of the base adjacent said opening is generally coplanar relative to the second portion of the sensor strap when the sensor dock is connected to the holder of the wearable device.

89. The system of Embodiment 86, wherein the holder extends below said base.

90. The system of any of Embodiments 72-89, wherein the sensor strap comprises a sensor section comprising the first and second portions and a securement section configured to secure the sensor strap to the wearable device.

91. The system of Embodiment 90, wherein the securement section and the sensor section are configured to removably connect to one another.

92. The system of any of Embodiments 72-91, wherein the main body of the wearable device comprises a wall configured to surround a heel of the subject's foot.

93. The system of Embodiment 92, wherein the wall is further configured to at least partially surround one or more sides of the subject's foot.

94. The system of any of Embodiments 72-93, wherein the main body of the wearable device comprises a slot for receiving a portion of the sensor strap.

95. The system of any of Embodiments 72-94, wherein the sensor strap comprises a circuit layer in electrical communication with the one or more emitters, the one or more detectors, and an electrical connector of the sensor dock, and wherein the electrical connector of the sensor dock engages an electrical connector of the sensor hub when the sensor hub is connected to the sensor dock.

96. The system of Embodiment 95, wherein said circuit layer is flexible.

97. The system of any of Embodiments 72-96, wherein the main body of the sensor dock comprises a base and two arms extending from the base and separated from one another by a gap sized to receive the sensor hub, said arms configured to removably connect to sides of the sensor hub.

98. The system of Embodiment 97, wherein the arms of the sensor dock comprise one or more retaining features that are configured to engage one or more corresponding retaining features on the sides of the sensor hub.

99. The system of Embodiment 98, wherein:the one or more retaining features of the arms of the dock comprise one or more protrusions extending from inward facing surfaces of said arms; andthe one or more corresponding retaining features on the sides of the sensor hub comprise one or more recesses configured to receive said one or more protrusions.

100. The system of any of Embodiments 72-99, further comprising an optical transmission material configured to be positioned between the one or more emitters and the tissue of the subject's foot when the wearable device is secured to the subject's foot.

101. The system of Embodiment 100, wherein the optical transmission material is configured to diffuse optical radiation emitted from said one or more emitters.

102. The system of any of Embodiments 72-101, further comprising an optical transmission material configured to be positioned between the one or more detectors and the tissue of the subject's foot when the wearable device is secured to the subject's foot.

103. The system of Embodiment 102, wherein the optical transmission material comprises a lens.

104. The system of any of Embodiments 72-103, wherein the sensor dock does not comprise a battery.

105. The system of any of Embodiments 72-104, wherein the sensor dock does not comprise a processor.

106. The system of any of Embodiments 72-105, wherein the sensor dock is configured to transition from a non-operational mode when the sensor hub is disconnected from the sensor dock to an operational mode when sensor hub is connected to the sensor dock.

107. The system of Embodiment 106, wherein, in the operational mode, the system is configured to determine the at least one physiological parameter of the subject.

108. The system of any of Embodiments 72-107, wherein the sensor dock comprises an RFID tag configured to communicate with an RFID reader of the sensor hub.

109. The system of any of Embodiments 72-108, wherein the sensor hub comprises a communication module configured to wirelessly communicate with a separate device.

110. The system of any of Embodiments 72-109, wherein the sensor hub comprises a vibration motor in electrical communication with said one or more processors, and wherein said one or more processors are configured to instruct said vibration motor to cause the sensor hub to vibrate.

111. The system of Embodiment 110, wherein said one or more processors are configured to:compare said determined at least one physiological parameter to one or more thresholds; andinstruct said vibration motor to cause the sensor hub to vibrate based on said comparison of said determined at least one physiological parameter to said one or more thresholds.

112. The system of any of Embodiments 72-111, wherein the sensor hub comprises one or more status indicators in electrical communication with said one or more processors, and wherein said one or more processors are configured to instruct said one or more status indicators to cause the sensor hub to emit sound and/or optical radiation.

113. The system of Embodiment 112, wherein said one or more processors are configured to:compare said determined at least one physiological parameter to one or more thresholds; andinstruct said one or more status indicators to cause the sensor hub to emit sound and/or optical radiation based on said comparison of said determined at least one physiological parameter to said one or more thresholds.

114. A system configured to be secured to a foot of a subject and measure at least one physiological parameter of the subject, the system comprising:a wearable device comprising:a main body; anda holder connected to and extending outward from the main body;a sensor component configured to removably connect to the holder of the wearable device, the sensor component comprising:a sensor strap configured to wrap around a top portion of the subject's foot and secure the wearable device to the subject's foot;one or more emitters operably positioned within a first portion of the strap and configured to be positioned adjacent one of the top portion or a bottom portion of the subject's foot when the strap is wrapped around said top portion and the wearable device is secured to the subject's foot, the one or more emitters configured to emit optical radiation into tissue of the subject's foot when in use;one or more detectors operably positioned within a second portion of the strap and configured to be positioned adjacent the other one of the top or bottom portion of the subject's foot when the wearable device is secured to the subject's foot, the one or more detectors configured to detect at least a portion of the emitted optical radiation after passing through said tissue and output at least one signal responsive to the detected optical radiation; andone or more processors configured to receive and process said at least one signal outputted by the one or more detectors to determine said at least one physiological parameter of the subject.

115. The system of Embodiment 114, wherein the main body of the wearable device comprises a resilient material.

116. The system of Embodiment 114 or 115, further comprising a wearable device strap configured to secure the main body of the wearable device to a lower leg and/or an ankle of the subject.

117. The system of any of Embodiments 114-116, wherein the sensor component comprises a sensor dock and a sensor hub, the sensor hub comprising the one or more processors and a battery and configured to removably connect to the sensor dock.

118. The system of any of Embodiments 114-117, wherein the first portion of the sensor strap is configured to be positioned opposite the second portion of the sensor strap when the sensor strap is wrapped around said top portion of the subject's foot.

119. The system of any of Embodiments 114-118, wherein the sensor strap is configured to wrap around the top portion of subject's foot and secure to a portion of the main body of the wearable device.

120. The system of any of Embodiments 114-119, wherein the main body of the wearable device comprises a wall configured to surround a heel of the subject's foot.

121. The system of Embodiment 120, wherein the wall is further configured to at least partially surround one or more sides of the subject's foot.

122. The system of any of Embodiments 114-121, wherein the main body of the wearable device comprises a base configured to contact the bottom portion of the subject's foot when the wearable device is in use, the base comprising an opening configured to be positioned adjacent the bottom portion of the subject's foot when the wearable device is in use.

123. The system of Embodiment 122, wherein the sensor strap is configured to be positioned at least partially within and extend outward from said opening when the sensor component is connected to the holder of the wearable device.

124. The system of any of Embodiments 114-123, wherein the holder comprises a resilient material and a cavity configured to removably receive the sensor component.

125. A system configured to be secured to a foot of a subject and measure at least one physiological parameter of the subject, the system comprising:a wearable device portion comprising:a main body configured to receive the subject's foot;a strap configured to wrap around a top portion of the subject's foot and secure to a portion of the main body;one or more emitters operably positioned within a portion of the strap and configured to be positioned adjacent the top portion of the subject's foot when the wearable device portion is secured to the subject's foot, the one or more emitters configured to emit optical radiation into tissue of the subject's foot when in use;one or more detectors operably positioned within a portion of the wearable device portion configured to be positioned adjacent a bottom portion of the subject's foot when the wearable device portion is secured to the subject's foot, the one or more detectors configured to detect at least a portion of the emitted optical radiation after passing through said tissue and output at least one signal responsive to the detected optical radiation; anda sensor hub comprising one or more processors and a battery, wherein the sensor hub is configured to removably connect to the wearable device portion to:provide power to allow operation of the one or more emitters and the one or more detectors; andreceive and process said at least one signal outputted by the one or more detectors to determine said at least one physiological parameter of the subject.

126. The system of Embodiment 125, wherein the main body of the wearable device portion comprises a resilient material.

127. The system of Embodiment 125 or 126, further comprising a wearable device strap configured to secure the main body of the wearable device portion to a lower leg and/or an ankle of the subject.

128. The system of any of Embodiments 125-127, wherein the main body of the wearable device portion comprises a wall configured to surround a heel of the subject's foot.

129. The system of Embodiment 128, wherein the wall is further configured to at least partially surround one or more sides of the subject's foot.

130. The system of any of Embodiments 125-129, wherein the wearable device portion further comprises a temperature sensor usable for determining body temperature of the subject.

131. The system of any of Embodiments 125-130, wherein the wearable device portion does not comprise a battery.

132. The system of any of Embodiments 125-131, wherein the wearable device portion does not comprise a processor.

133. The system of any of Embodiments 125-132, wherein the wearable device portion is configured to transition from a non-operational mode when the sensor hub is disconnected from the wearable device portion to an operational mode when sensor hub is connected to the wearable device portion.

134. The system of Embodiment 133, wherein, in the operational mode, the system is configured to determine the at least one physiological parameter of the subject.

135. The system of any of Embodiments 125-134, wherein the wearable device portion comprises a wearable device and a sensor dock configured to removably connect to one another, the wearable device comprising said main body and a holder, the sensor dock comprising said strap and a main body connected to said strap, and wherein said main body of said sensor dock is configured to be received within at least a portion of said holder of the wearable device.

136. A system for monitoring a physiological status of a subject, the system comprising:a wearable device configured to be secured to a foot of the subject, the wearable device comprising a base configured to extend along and contact a bottom portion of the subject's foot and a wall extending upward from the base and configured to extend along at least a portion of a lower leg of the subject;at least one emitter configured to be positioned adjacent one of a top portion or a bottom portion of the subject's foot when the wearable device is in use, the at least one emitter configured to emit optical radiation into tissue of the subject's foot when in use; andat least one detector configured to be positioned adjacent the other one of the top or the bottom portion of the subject's foot when the wearable device is in use, the at least one detector configured to detect at least a portion of the emitted optical radiation after passing through said tissue and output at least one signal responsive to the detected optical radiation; and one or more processors configured to receive and process said at least one signal outputted by the at least one detector to determine at least one physiological parameter of the subject.

137. A sensor component for a system that is configured to be secured to a foot of a subject and measure at least one physiological parameter of the subject, the sensor component comprising:a strap configured to wrap around at least a portion of the subject's foot and secure the system to the subject's foot;one or more emitters operably positioned within a first portion of the strap and configured to be positioned adjacent one of a top portion or a bottom portion of the subject's foot when the strap is wrapped around said portion and the system is secured to the subject's foot, the one or more emitters configured to emit optical radiation into tissue of the subject's foot when in use;one or more detectors operably positioned within a second portion of the strap and configured to be positioned adjacent the other one of the top or bottom portion of the subject's foot when the system is secured to the subject's foot, the one or more detectors configured to detect at least a portion of the emitted optical radiation after passing through said tissue and output at least one signal responsive to the detected optical radiation; andone or more processors configured to receive and process said at least one signal outputted by the one or more detectors to determine said at least one physiological parameter of the subject.

138. A system configured to be secured to a foot of a subject and measure at least one physiological parameter of the subject, the system comprising:a wearable device comprising a base and an opening therethrough; anda sensor strap comprising one or more emitters and one or more detectors, the sensor strap configured to fit within and extend from the opening;wherein a portion of the sensor strap that fits within the opening is configured to form a flush surface with the base for receiving a bottom portion of the subject's foot, andwherein a portion of the sensor strap that extends from the opening is configured to wrap around the subject's foot and secure the wearable device to the subject's foot.

139. A system configured to be secured to a foot of a subject and measure at least one physiological parameter of the subject, the system comprising:a wearable device configured to receive the subject's foot, wherein the wearable device comprises a cavity;a sensor hub comprising one or more processors and one or more detectors, wherein the sensor hub is removably securable within said cavity of said wearable device; anda sensor strap connected to and extending outward from the sensor hub, the sensor strap configured to be wrapped around a portion of the subject's foot and secure to a portion of said wearable device, the sensor strap comprising one or more emitters configured to emit optical radiation into tissue of the subject's foot when in use;wherein said one or more detectors of said sensor hub are configured to detect at least a portion of the emitted optical radiation after passing through said tissue and output at least one signal responsive to the detected optical radiation; andwherein said one or more processors of said sensor hub are configured to receive and process said at least one signal outputted by the one or more detectors to determine said at least one physiological parameter of the subject.

140. The system of Embodiment 139, wherein said cavity is positioned adjacent a bottom portion of the subject's foot when the system is in use.

141. The system of Embodiment 139 or 140, wherein said one or more emitters are positioned adjacent a top portion or a side portion of the subject's foot when the system is in use.

142. The system of any of Embodiments 139-141, wherein said one or more detectors are positioned adjacent a bottom portion of the subject's foot when the system is in use.

143. The system of any of Embodiments 139-142, wherein the sensor hub and the sensor strap are integrally formed.

144. The system of any of Embodiments 139-143, wherein the sensor strap comprises:a sensor section comprising said one or more emitters; anda securement section configured to secure to said portion of said wearable device.

145. The system of any of Embodiments 139-144, wherein the sensor hub further comprises a communication module configured to wirelessly communicate with a separate device.

146. The system of any of Embodiments 139-145, wherein the sensor hub further comprises a communication module configured to wirelessly communicate with a separate device.

147. The system of any of Embodiments 139-146, wherein the wearable device comprises:a main body comprising:a base configured to contact at least a portion of a bottom of the subject's foot when the system is in use, the base comprising said cavity; anda wall configured to surround a heel and at least a portion of one or more sides of the subject's foot when the system is in use; anda frame positioned within said cavity, the frame configured to removably secure to the sensor hub.

148. The system of Embodiment 147, wherein the main body comprises a first material that is resilient and flexible, and wherein the frame comprises a second material that is more rigid than the first material.

149. The system of any of Embodiments 139-148, wherein the wearable device further comprises a wearable device strap configured to secure the wearable device to a top portion of the foot, an ankle, and/or a lower leg of the subject.

150. A system configured to measure at least one physiological parameter of a subject, the system comprising:a wearable device configured to be secured to a subject's foot, said wearable device comprising a cavity; anda sensor hub removably securable within said cavity of said wearable device, the sensor hub comprising:a housing, the housing comprising an opening configured to be positioned adjacent a bottom portion of the subject's foot when the subject's foot is secured to the wearable device;a thermally conductive probe extending from within the housing and at least partially within said opening;a temperature sensor positioned within said housing; andone or more processors positioned within said housing;wherein said thermally conductive probe is configured to transmit thermal energy from the bottom portion of the subject's foot toward said temperature sensor, said temperature sensor configured to generate one or more signals based on said thermal energy, said one or more processors configured to determine on or more body temperature values of the subject based on said transmitted one or more signals.

151. The system of Embodiment 150, wherein the sensor hub further comprises a metal plate, wherein said thermally conductive probe extends transverse relative to a plane of said metal plate.

152. The system of Embodiment 151, wherein the sensor hub comprises a flexible circuit positioned between said metal plate and said temperature sensor.

153. An electronic device for monitoring a subject's health, the electronic device comprising:a hardware processor configured to:access physiological data originating from a remote monitoring system comprising one or more of a hub, a wearable device, or a camera, the physiological data being associated with a subject that is monitored by the monitoring system;determine one or more physiological parameters from the physiological data, the one or more physiological parameters indicating one or more of an oxygen saturation, a pulse rate, a respiration rate, or a body temperature of the subject;access image data originating from the remote monitoring system, the image data being associated with the subject; andgenerate user interface data to render a user interface comprising:an image portion comprising an image of the subject based on at least the image data; anda physiological portion comprising the one or more parameter values and one or more gauges associated with the one or more parameter values, wherein the physiological portion is a same size as the image portion and is positioned under the image portion within the user interface.

154. The electronic device of Embodiment 153, wherein the electronic device is a mobile phone.

155. The electronic device of Embodiment 153, further comprising a display screen, wherein the hardware processor is further configured to render the user interface on the display screen.

156. The electronic device of Embodiment 153, wherein the image portion is a square and the physiological portion is a square.

157. The electronic device of Embodiment 153, wherein at least one of the sides of the physiological portion is a same length as at least one of the sides of the image portion.

158. The electronic device of Embodiment 153, wherein at least one of the one or more gauges is semi-annular.

159. The electronic device of Embodiment 153, wherein at least one of the one or more gauges comprises a plurality of discrete portions corresponding to a normal parameter value, an abnormal parameter value, and a dangerous parameter value.

160. The electronic device of Embodiment 153, wherein the hardware processor is further configured to update the user interface data to modify an appearance of the one or more gauges based on at least a confidence associated with the physiological data.

161. The electronic device of Embodiment 153, wherein the hardware processor is further configured to update the user interface data to modify an appearance of the one or more gauges based on at least the physiological data exceeding one or more thresholds.

162. The electronic device of Embodiment 153, wherein the hardware processor is further configured to update the user interface data to reduce a size of the physiological portion and hide the one or more gauges from view.

163. The electronic device of Embodiment 153, wherein the hardware processor is further configured to:receive a user input via the image portion of the user interface;generate a monitor perimeter based on at least the user input;display the monitor perimeter in the image portion; andperform one or more image processing techniques with respect to the monitor perimeter to detect an abnormality within the monitor perimeter; andgenerate an alert based on detecting the abnormality.

164. The electronic device of Embodiment 153, wherein the hardware processor is further configured to access environmental data from the monitoring system and generate an alert based on at least the environment data and the physiological data, the environmental data comprising one or more of humidity data, temperature data, image data, and/or audio data.

165. The electronic device of Embodiment 153, wherein the hardware processor is further configured to generate an alert based on at least the one or more physiological parameters.

166. The electronic device of Embodiment 153, wherein the hardware processor is further configured to:responsive to a user input, update the user interface data to update the physiological portion of the user interface to hide the one or more gauges and display one or more trend lines associated with the one or more parameter values, the one or more trend lines indicating historical parameter values, the one or more trend lines being aligned with a common horizontal axis representing time.

167. The electronic device of Embodiment 153, wherein the hardware processor is further configured to:responsive to a user input, reduce a size of the image portion while maintaining an aspect ratio of the image of the subject; androtate the image within the image portion.

168. The electronic device of Embodiment 153, wherein the hardware processor is further configured to:responsive to a user selection of a time, display a historical image in the image portion corresponding to the selected time; anddisplay historical physiological parameters in the physiological portion corresponding to the selected time.

169. Non-transitory computer-readable media including computer-executable instructions that, when executed by a computing system, cause the computing system to perform operations comprising:accessing physiological data originating from a remote monitoring system comprising one or more of a hub, a wearable device, or a camera, the physiological data being associated with a subject that is monitored by the monitoring system;determining one or more physiological parameters from the physiological data, the one or more physiological parameters indicating one or more of an oxygen saturation, a pulse rate, a respiration rate, or a body temperature of the subject;accessing image data originating from the remote monitoring system; andgenerating user interface data to render a user interface comprising:an image portion comprising an image of the subject based on at least the image data, wherein the image portion is rectangular; anda physiological portion comprising the one or more parameter values and one or more gauges associated with the one or more parameter values, wherein the physiological portion is rectangular and is positioned under the image portion within the user interface.

170. The non-transitory computer-readable media of Embodiment 169, wherein the computer-executable instructions, when executed by the computing system, cause the computing system to perform operations comprising:responsive to a user input, updating the user interface data to update the physiological portion of the user interface to hide the one or more gauges and display one or more trend lines associated with the one or more parameter values, the one or more trend lines indicating historical parameter values, the one or more trend lines being aligned with a common horizontal axis representing time.

171. A computer-implemented method comprising:accessing physiological data originating from a remote monitoring system comprising one or more of a hub, a wearable device, or a camera, the physiological data being associated with a subject that is monitored by the monitoring system;determining one or more physiological parameters from the physiological data, the one or more physiological parameters indicating one or more of an oxygen saturation, a pulse rate, a respiration rate, or a body temperature of the subject;accessing image data originating from the remote monitoring system; andgenerating user interface data to render a user interface comprising:an image portion comprising an image of the subject based on at least the image data, wherein the image portion is rectangular; anda physiological portion comprising the one or more parameter values and one or more gauges associated with the one or more parameter values, wherein the physiological portion is rectangular and is positioned under the image portion within the user interface.

172. The computer-implemented method of Embodiment 171, further comprising:responsive to a user input, updating the user interface data to update the physiological portion of the user interface to hide the one or more gauges and display one or more trend lines associated with the one or more parameter values, the one or more trend lines indicating historical parameter values, the one or more trend lines being aligned with a common horizontal axis representing time.

173. An electronic device for monitoring a subject's health, the electronic device comprising:a hardware processor configured to:access physiological data originating from a remote monitoring system comprising one or more of a hub, a wearable device, or a camera, the physiological data comprising one or more physiological parameters of a subject being monitored by the monitoring system, the one or more physiological parameters indicating one or more of an oxygen saturation, a pulse rate, a respiration rate, or a body temperature;access image data originating from the remote monitoring system, the image data being associated with the subject;generate user interface data to render a user interface comprising:an image portion comprising an image of the subject based on at least the image data; anda physiological portion comprising one or more trend lines associated with the one or more parameter values, the one or more trend lines indicating historical parameter values, the one or more trend lines being aligned with a common horizontal axis representing time, wherein the physiological portion is positioned under the image portion within the user interface; and responsive to a user selection of a time:display a historical image in the image portion corresponding to the selected time; anddisplay historical physiological parameters in the physiological portion corresponding to the selected time.

174. The electronic device of Embodiment 173, wherein the electronic device is a mobile phone.

175. The electronic device of Embodiment 173, further comprising a display screen, wherein the hardware processor is further configured to render the user interface on the display screen.

176. The electronic device of Embodiment 173, wherein the hardware processor is further configured to update the user interface data to modify an appearance of the one or more gauges based on at least the physiological data exceeding one or more thresholds.

177. The electronic device of Embodiment 173, wherein the hardware processor is further configured to:receive a user input via the image portion of the user interface;generate a monitor perimeter based on at least the user input;display the monitor perimeter in the image portion;perform one or more image processing techniques with respect to the monitor perimeter to detect an abnormality within the monitor perimeter; andgenerate an alert based on detecting the abnormality.

178. The electronic device of Embodiment 173, wherein the hardware processor is further configured to access environmental data from the monitoring system and generate an alert based on at least the environment data and the physiological data, the environmental data comprising one or more of humidity data, temperature data, image data, and/or audio data.

179. The electronic device of Embodiment 173, wherein the hardware processor is further configured to generate an alert based on at least the one or more physiological parameters.

180. The electronic device of Embodiment 173, wherein the hardware processor is further configured to:responsive to a user input, reduce a size of the image portion while maintaining an aspect ratio of the image of the subject; androtate the image within the image portion.

181. Non-transitory computer-readable media including computer-executable instructions that, when executed by a computing system, cause the computing system to perform operations comprising:accessing physiological data originating from a remote monitoring system comprising one or more of a hub, a wearable device, or a camera, the physiological data comprising one or more physiological parameters of a subject being monitored by the monitoring system, the one or more physiological parameters indicating one or more of an oxygen saturation, a pulse rate, a respiration rate, or a body temperature;accessing image data originating from the remote monitoring system, the image data being associated with the subject;generating user interface data to render a user interface comprising:an image portion comprising an image of the subject based on at least the image data; anda physiological portion comprising one or more trend lines associated with the one or more parameter values, the one or more trend lines indicating historical parameter values, the one or more trend lines being aligned with a common horizontal axis representing time, wherein the physiological portion is positioned under the image portion within the user interface; andresponsive to a user selection of a time:displaying a historical image in the image portion corresponding to the selected time; anddisplaying historical physiological parameters in the physiological portion corresponding to the selected time.

182. The non-transitory computer-readable media of Embodiment 181, wherein the computer-executable instructions, when executed by the computing system, further cause the computing system to perform operations comprising:updating the user interface data to modify an appearance of the one or more gauges based on at least the physiological data exceeding one or more thresholds.

183. The non-transitory computer-readable media of Embodiment 181, wherein the computer-executable instructions, when executed by the computing system, further cause the computing system to perform operations comprising:receiving a user input via the image portion of the user interface;generating a monitor perimeter based on at least the user input;displaying the monitor perimeter in the image portion;performing one or more image processing techniques with respect to the monitor perimeter to detect an abnormality within the monitor perimeter; andgenerating an alert based on detecting the abnormality.

184. The non-transitory computer-readable media of Embodiment 181, wherein the computer-executable instructions, when executed by the computing system, further cause the computing system to perform operations comprising:accessing environmental data from the monitoring system and generating an alert based on at least the environment data and the physiological data, the environmental data comprising one or more of humidity data, temperature data, image data, and/or audio data.

185. The non-transitory computer-readable media of Embodiment 181, wherein the computer-executable instructions, when executed by the computing system, further cause the computing system to perform operations comprising generating an alert based on at least the one or more physiological parameters.

186. The non-transitory computer-readable media of Embodiment 181, wherein the computer-executable instructions, when executed by the computing system, further cause the computing system to perform operations comprising:responsive to a user input, reducing a size of the image portion while maintaining an aspect ratio of the image of the subject; androtating the image within the image portion.

187. An electronic device for monitoring a subject's health, the electronic device comprising:a hardware processor configured to:access physiological data originating from a remote monitoring system, the physiological data comprising one or more physiological parameters of a subject being monitored by the monitoring system, the one or more physiological parameters indicating one or more of an oxygen saturation, a pulse rate, a respiration rate, or a body temperature;access image data originating from the remote monitoring system, the image data being associated with the subject;generate user interface data to render a user interface comprising a monitoring widget positioned within a portion of a home screen adjacent to icons representing application programs, the monitoring widget comprising:an image portion comprising an image of the subject based on at least the image data; anda physiological portion comprising one or more physiological icons representing the one or more parameter values and configured to change appearance based on the one or more physiological parameter values, wherein the physiological portion is smaller than the image portion and is positioned under the image portion within the monitoring widget.

188. The electronic device of Embodiment 187, wherein the hardware processor is further configured to generate an alert based on at least the one or more physiological parameters.

189. The electronic device of Embodiment 187, wherein the physiological portion has a same width as the image portion and a smaller height than the image portion.

190. The electronic device of Embodiment 187, wherein the hardware processor is further configured to increase a size of the monitoring widget responsive to a user input.

191. The electronic device of Embodiment 187, wherein the hardware processor is further configured to update a position of the monitoring widget within the home screen responsive to a user input.

Additional Considerations and Terminology

Certain categories of persons, such as caregivers, clinicians, doctors, nurses, and friends and family of a subject, may be used interchangeably to describe a person providing care to the subject. Furthermore, subjects, patients, or users used herein interchangeably refer to a person who is wearing a sensor or is connected to a sensor or whose measurements are used to determine a physiological parameter or a condition. Parameters may be, be associated with, and/or be represented by, measured values, display icons, alphanumeric characters, graphs, gages, power bars, trends, or combinations. Real time data may correspond to active monitoring of a subject, however, such real time data may not be synchronous to an actual physiological state at a particular moment. Measurement value(s) of a parameter such as any of those discussed herein, unless specifically stated otherwise, or otherwise understood with the context as used is generally intended to convey a measurement or determination that is responsive to and/or indicative of the physiological parameter.

Conditional language used herein, such as, among others, “can,” “could,” “might,” “may,” “e.g.,” and the like, unless specifically stated otherwise, or otherwise understood within the context as used, is generally intended to convey that certain features, elements, and/or steps are optional. Thus, such conditional language is not generally intended to imply that features, elements, and/or steps are in any way required or that one or more implementations necessarily include logic for deciding, with or without other input or prompting, whether these features, elements, and/or steps are included or are to be always performed. The terms “comprising,” “including,” “having,” and the like are synonymous and are used inclusively, in an open-ended fashion, and do not exclude additional elements, features, acts, operations, and so forth. Also, the term “or” is used in its inclusive sense (and not in its exclusive sense) so that when used, for example, to connect a list of elements, the term “or” means one, some, or all of the elements in the list. Further, the term “each,” as used herein, in addition to having its ordinary meaning, can mean any subset of a set of elements to which the term “each” is applied.

Although certain implementations and examples have been described herein, it will be understood by those skilled in the art that many aspects of the systems and devices shown and described in the present disclosure may be differently combined and/or modified to form still further implementations or acceptable examples. All such modifications and variations are intended to be included herein within the scope of this disclosure. A wide variety of designs and approaches are possible. No feature, structure, or step disclosed herein is essential or indispensable.

Any methods disclosed herein need not be performed in the order recited. The methods disclosed herein may include certain actions taken by a practitioner; however, they can also include any third-party instruction of those actions, either expressly or by implication.

Various illustrative logical blocks, modules, routines, and algorithm steps that may be described in connection with the disclosure herein can be implemented as electronic hardware (e.g., ASICs or FPGA devices), computer software that runs on general purpose computer hardware, or combinations of both. Various illustrative components, blocks, and steps may be described herein generally in terms of their functionality. Whether such functionality is implemented as specialized hardware versus software running on general-purpose hardware depends upon the particular application and design constraints imposed on the overall system. The described functionality can be implemented in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosure.