Source: https://patents.google.com/patent/US9986911B2/en
Timestamp: 2019-08-19 01:44:07
Document Index: 154058765

Matched Legal Cases: ['application No. 2702387', 'application No. 2702388', 'application No. 2702390', 'application No. 2702390', 'application No. 2702391', 'application No. 08838622', 'application No. 08838978', 'application No. 08', 'application No. 08', 'application No. 08', 'application No. 08', 'application No. 08']

US9986911B2 - Wireless telecommunications system adaptable for patient monitoring - Google Patents
Wireless telecommunications system adaptable for patient monitoring Download PDF
US9986911B2
US9986911B2 US12/285,663 US28566308A US9986911B2 US 9986911 B2 US9986911 B2 US 9986911B2 US 28566308 A US28566308 A US 28566308A US 9986911 B2 US9986911 B2 US 9986911B2
US12/285,663
US20100094098A1 (en
2007-10-19 Priority to US11/907,980 priority patent/US8373557B2/en
2007-10-19 Priority to US11/907,981 priority patent/US9949641B2/en
2008-10-10 Priority to US12/285,663 priority patent/US9986911B2/en
2008-10-10 Assigned to SMITHS MEDICAL PM, INC. reassignment SMITHS MEDICAL PM, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SMITH, GUY A., BROWN, MATTHEW L., ELLIS, MATTHEW E., OSWALD, MATTHEW T.
2008-10-10 Application filed by Smiths Medical ASD Inc filed Critical Smiths Medical ASD Inc
2010-04-15 Publication of US20100094098A1 publication Critical patent/US20100094098A1/en
2018-06-05 Publication of US9986911B2 publication Critical patent/US9986911B2/en
With reference to FIGS. 1a and 1b , a communications network, in the configuration for example of a peer-to-peer network, is shown. For the exemplar wireless network 2 shown in FIG. 1a , there are four nodes 1-4, as well as a node N that signifies that the network can have N number of nodes. For the embodiment of the invention shown in FIG. 1a , it is presumed that each of the nodes shown may be represented by node 4 of FIG. 1b in that each of the nodes of the network may be a medical device that includes a radio, which may be a transmitter or transceiver. The medical device may be any one of a number of devices that monitor or measure physical attributes or parameters of a patient or subject. Such medical devices include, but are not limited to, oximeters, heart rate monitors, capnographs or CO2 monitors, pumps that connect to the patient and other devices that monitor particular physical attributes of a patient. For example, in the case of a pulse oximeter, the oxygen level of arterial blood (SPO2) of the patient is monitored and/or measured. In the case of a capnograph, the CO2, ETCO2 (End Tidal CO2) and respiration rate are monitored and/or measured. Some of these medical devices may be combined. For example, the assignee of the instant application currently markets a non-radio product that is a combination of an oximeter and a capnograph under the trade name CAPNOCHECK®. For the instant invention, such combination device may be fitted with a radio so that it could act as a node of the inventive network.
As shown in FIG. 2, the network of FIG. 1a is communicatively connected to a number of wireless oximeters, or the other medical devices discussed above. The nodes per discussed above in the FIG. 1a network are referenced as N1-NN and may also be referred to as communicators CO1-CON. For the FIG. 2 illustration, wireless oximeters O1, O3 and ON are communicatively connected to communicators CO1, CO3 and CON, respectively. For the instant invention, the wireless oximeters, or other medical devices per discussion above, that monitor physical parameters of the patient, may be referred to as a first type of nodes, while the communicator CO1-CON may be referred to as a second type of nodes N1-NN, of the network. The wireless oximeters may further be referred to as sensor or sensing nodes while the communicators may further be referred to as relay or propagating nodes.
With reference to FIG. 3, a communicator 6 of the instant invention is shown to include a host processor 8 that executes a program 10 stored in a memory, not shown. The program enables processor 8 to operationally control the oximeter circuit 12, which interfaces with an external oximeter that is either coupled to the communicator by hardwire such as for example a cable, or by radio, so as to produce digital oximetry data for processing by processor 8. An user interface 14, also connected to processor 8, enables the communicator to interface with the user. The user interface may comprise a display, for example a LCD display, an input source for example a keypad, and an audio circuit and speakers that may be used for alarms. Providing the power to the communicator 6 is a power circuit 16 that may include a battery, or DC input and other well known power analog circuits, so that regulated power may be routed to all of the active circuits of the communicator. An electrical interface 18 is also provided in communicator 6. Such electrical interface may comprise an electrically conductive communications port such as for example a RS-232 port, a USB port, or other similar input/output (IO) port that allows interfacing to and from the communicator. To transceive data to and from the communicator, there is provided a radio transceiver 20 that wirelessly transceives or communicates data between the communicator and other communicators, as well as between the communicator and a sensor device such as the wireless oximeter sensor shown in FIG. 2, or other sensor devices, medical or otherwise, that are adaptable to transmit data wirelessly.
The next message M2 (CTR) is a control message from the communicator to its dedicated wireless sensor, which is identified by message M6 WS (wireless sensor). This is required because a wireless sensor may not have the user control mechanisms required to configure the integral radio and oximeter. Furthermore, a communicator node in the network may not necessarily be in direct communications link with its dedicated sensor. For example, it may be that the carrier of communicator 6 e is in fact the responsible nurse for the patient who is connected to wireless oximeter sensor 22 in the FIG. 8 exemplar network. And the reason that communicator 6 e is not in the vicinity of wireless oximeter sensor 22 may be that the nurse had to take care of another patient and accordingly had moved out of the transmission range of wireless oximeter sensor 22. Yet the nurse nonetheless is able to continuously monitor the physical parameters, for example the SP02 of patient P1 due to the relaying of the patient P1 data from the other communicators of the network. Message M6 therefore identifies to the other communicators that wireless oximeter sensor 22 is the dedicated sensor for communicator 6 e. Each communicator may also control the operation of its dedicated wireless oximeter, if the wireless oximeter is adapted to wirelessly communicate bidirectionally, by sending a M2 control message CTR, which is relayed by the other nodes in the network to the wireless oximeter identified by the WS message.
As shown in FIG. 12, at time 42 a, communicator CO1 is transmitting, for example the RDD message and other transmissions disclosed with reference to FIGS. 9 and 10. At the same time 44 a, Sensor 1, which is connected to a patient, is in its sleep mode. At time 42 b, communicator CO1 continues to transmit its data. At time 44 b, Sensor 1 wakes up either in response to an internal timer or from the initialization of the sensor to begin collecting the physical parameter(s) from the patient. This wake-up time is referenced as TWU in FIG. 12. At time 42 c, communicator CO1 continues to transmit its data. In the corresponding time 44 a, Sensor 1 receives the patient data serially from its sensor. At time 42 d, communicator CO1 transmits a signal to a particular wireless oximeter, for example Sensor 1. At corresponding time 44 d, Sensor 1 receives the radio frequency signal from communicator CO1 and, noting that it is a signal specifically identifying it, synchronizes its timing with that of communicator CO1. Thereafter, at time 44 e, Sensor 1 transmits the data that it has obtained from the patient. This data is received by communicator CO1 at time 42 e, as designated by the RX WS (receive wireless sensor) signal. Thereafter (after time T), communicator CO1 enters into a receiving mode where it listens to the various oximeters and communicators that may be present in the network, for example the RX1, RX2 to RXM devices. At approximately the same time, Sensor 1 goes to its sleep mode (TGS) and stays asleep until it is either waken up by an internal timer or activated to begin monitoring the physical parameter, for example SP02, of the patient.
The display circuit may comprise a color TFT 3.0 inch LCD display manufactured by the Sharp Electronics Company having a manufacturing number PN LQ030B7DD01. The display resolution is 320H×320V. Processor U21 provides an integral LCD controller peripheral that is capable of generating a majority of the required timing and LCD control signals. Four additional LCD related circuits (external to processor U21) are shown. Contrast control is provided through digital potentiometer (POT) U12 and commanded by the main processor U21 by way of an I2C two-wire bus. AC and DC gray scale voltages are generated by the gray scale ASIC U8. Additional LCD supply voltages of +3V, +5V, +15V and −10V are generated by voltage regulators U7 and U10. The light emitting diode (LED) backlighting brightness is controlled by switching regulator U6. The brightness is controlled by the duty cycle of the pulse width modulator (PWM) control signal from main processor U21. The LCD display control signals are brought out from the display module by means of a 39-conductive flex flat cable which connects to the connector P6. The display back light LEDs are brought out from the module with a four conductive flex flat cable which connects to connector P7.
1. A mobile communicator adapted to wirelessly receive and transmit data in a communications network environment that has a plurality of transmitting and receiving devices including other mobile communicators, the mobile communicator and any one of the other mobile communicators are movable relative to each other so as to be either in or out of communication range with each other, comprising:
a transceiver having a predetermined reception range and a predetermined broadcast range adapted to receive from a wireless sensor device data of a patient relating to at least one physical attribute of the patient measured by the sensor device if the sensor device is within the predetermined reception range of the communicator, the transceiver further adapted to transmit signals out to the predetermined broadcast range of the communicator;
a memory for storing data of the patient received by the transceiver from the sensor device, the memory adapted to store previously received data of the patient;
processing means operationally working with the memory to update the data of the patient in the memory by comparing the data of the patient received by the transceiver with data of the patient, if any, previously stored in the memory, the newer of the data of the patient received and the data of the patient previously stored is stored in the memory as updated data of the patient;
the processing means operationally controlling the transceiver to transmit the updated data of the patient to the broadcast range of the communicator which moves with the movement of the communicator so that the updated data of the patient is received by the any one of the other mobile communicators not in direct communication with the wireless sensor device but the relative movement between the mobile communicator and the any one of the other mobile communicators is such that the any one of the other mobile communicators is within the broadcast range of the mobile communicator.
2. The communicator of claim 1, wherein the communicator is adapted to receive patient data from any one of the other mobile communicators when the any one of the other mobile communicators is movably located within the reception range of the communicator so as to be in communication range with the communicator.
3. The communicator of claim 1, wherein the memory is adapted to store the data of the patient received at different times.
4. The communicator of claim 1, further comprising a display adapted to display the data of the patient.
5. The communicator of claim 1, further comprises a display adapted to display patient data and text messages;
wherein the communicator is adapted to receive text messages to be displayed on the display and to transmit the received text messages to the broadcast range of the communicator, the text messages being received by any one of the other mobile communicators that is within the broadcast range of the communicator;
wherein the communicator is adapted to direct a particular text message to a given mobile communicator not in communication range with the communicator for display only by the given mobile communicator by transmitting the particular text message to at least one of the other mobile communicators in communication range with the communicator, the at least one of the other mobile communicators re-transmitting the particular text message to the given mobile communicator when the at least one of the other mobile communicators and the given mobile communicator are moved to within communication range of each other.
6. The communicator of claim 1, wherein the communicator is adapted to be carried by a user and is adapted to receive and inform the user of a signal of an alarm condition relating to the patient or multiple patients, the communicator adapted to transmit the received alarm condition out to the broadcast range of the communicator.
7. The communicator of claim 1, wherein the communicator is adapted to receive an alarm condition and a text message accompanying the alarm condition, the communicator including text message means to enable the text message to be displayed on a display of the communicator, the communicator adapted to transmit the received alarm condition and the accompanying text message out to the broadcast range of the communicator for reception by any one of the other mobile communicators located within the broadcast range of the communicator.
8. The communicator of claim 1, wherein the memory comprises a memory table adapted to store respective data of a plurality of patients;
wherein the processing means operationally works with the memory to update the data received by the transceiver from each patient of the plurality of patients by comparing the data of the each patient received with data of the each patient, if any, previously stored in the memory table, the newer of the data of the each patient received and the data of the each patient previously stored is stored in a corresponding memory in the memory table for the each patient;
wherein the processing means operationally controls the transceiver to transmit the updated data of the each patient out to the broadcast range of the communicator.
9. The communicator of claim 8, further comprising a display adapted to display the respective updated data of the plurality of patents stored in the memory table.
10. The communicator of claim 1, wherein the wireless sensor device comprises any one of oximeters, heart rate monitors, capnographs or CO2 monitors and pumps including at least a transmitter for monitoring particular physical attributes of the patient, the wireless sensor device adapted to transmit the sensed physical attributes of the patient to a transmission area of the wireless sensor device; and
wherein the communicator is adapted to receive the sensed physical attributes of the patient transmitted by the wireless sensor device when the communicator is movably located relative to the wireless sensor device so that the reception range of the communicator is within the transmission range of the wireless sensor.
11. The communicator of claim 1, wherein the communicator and the other mobile communicators operate under a time slotted communication schedule, the communicator being assigned a given time period to transmit the updated data of the patient out to its broadcast range for reception by those other mobile communicators that are located within the broadcast range of the communicator.
12. The communicator of claim 1, wherein the communicator is adapted to act as a node of a network of mobile communicators by receiving respective data of different patients from those other mobile communicators that are within its reception range and transmitting the respective data of the patients out to its broadcast range.
13. A mobile communicator adapted to wirelessly receive and transmit data in a communications network environment that has a plurality of transmitting and receiving devices including other mobile communicators, the mobile communicator and the other mobile communicators movable relative to each other so as to be either in or out of communication range with each other, comprising:
a transceiver having a predetermined reception range and a predetermined broadcast range adapted to wirelessly receive from a sensor device data of a patient relating to at least one physical attribute of the patient measured by the sensor device if the sensor device is within the predetermined reception range of the communicator, the transceiver adapted to wirelessly receive data from other mobile communicators if the other mobile communicators each are within the predetermined reception range of the communicator, the transceiver further adapted to wirelessly transmit signals out to the predetermined broadcast range of the communicator;
a memory for storing data of the patient received by the transceiver from the sensor device and from the other mobile communicators, the memory adapted to store previously received data of the patient;
the processing means operationally controlling the transceiver to transmit the updated data of the patient out to the broadcast range of the communicator, the broadcast range of the communicator staying constant relative to the location of the communicator while the location of the communicator is changeable relative to at least one of the other mobile communicators so that the communicator and the at least one of the other mobile communicators are adapted to move into and out of communication range with each other.
14. The communicator of claim 13, wherein there are multiple other sensor devices, the other mobile communicators each adapted to receive the data of patients measured by selective ones of the multiple sensor devices;
wherein the communicator is adapted to receive data of patients from any one of the other sensor devices and the other mobile communicators if the any one of the other sensor devices and the other mobile communicators is within the reception range of the communicator, and the any one of the other mobile communicators is adapted to receive the data of the patient transmitted by the communicator if the any one of the other mobile communicators is within the broadcast range of the communicator.
15. The communicator of claim 13, wherein so long as a remote communicator is within the broadcast range of the communicator and the communicator had received the data of the patient from either the sensor device or another communicator, the data of the patient transmitted out to the broadcast range of the communicator is received by the remote communicator so that the data of the patient is adapted to be displayed on a display of the remote communicator.
16. The communicator of claim 13, further comprises a display adapted to display patient data and text messages;
wherein the communicator includes text message means adapted to enable received text messages to be displayed on the display and wherein the transceiver is adapted to transmit the received text messages to the broadcast range of the communicator for reception by any one of the other mobile communicators that movably locates within the broadcast range of the communicator;
wherein the communicator is adapted to transmit out to its broadcast range a particular text message directed to a given mobile communicator for display only by the given mobile communicator.
17. The communicator of claim 13, wherein the communicator is adapted to be carried by a user and is adapted to receive and inform the user of a signal of an alarm condition relating to the patient or multiple patients, the communicator adapted to transmit the received alarm condition out to the broadcast range of the communicator.
18. The communicator of claim 13, wherein the communicator is adapted to receive an alarm condition and a text message accompanying the alarm condition, the communicator including text message means to enable the text message to be displayed on a display of the communicator, the communicator adapted to transmit the received alarm condition and the accompanying text message out to the broadcast range of the communicator for reception by any one of the other mobile communicators located within the broadcast range of the communicator.
19. The communicator of claim 13, wherein the memory comprises a memory table adapted to store respective data of a plurality of patients;
US12/285,663 2007-10-19 2008-10-10 Wireless telecommunications system adaptable for patient monitoring Active 2032-07-21 US9986911B2 (en)
US11/907,980 US8373557B2 (en) 2007-10-19 2007-10-19 Method for establishing a telecommunications network for patient monitoring
US11/907,981 US9949641B2 (en) 2007-10-19 2007-10-19 Method for establishing a telecommunications system for patient monitoring
US20100094098A1 US20100094098A1 (en) 2010-04-15
US9986911B2 true US9986911B2 (en) 2018-06-05
ID=40567712
US12/285,663 Active 2032-07-21 US9986911B2 (en) 2007-10-19 2008-10-10 Wireless telecommunications system adaptable for patient monitoring
US (1) US9986911B2 (en)
EP (1) EP2200501A4 (en)
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KR (1) KR101574812B1 (en)
CN (1) CN101902954B (en)
AU (1) AU2008314638B2 (en)
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CA (1) CA2702387A1 (en)
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2008-10-17 EP EP08838978.8A patent/EP2200501A4/en not_active Ceased
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2008-10-17 CA CA2702387A patent/CA2702387A1/en active Pending
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IL205070D0 (en) 2010-11-30
WO2009051828A1 (en) 2009-04-23
CN101902954B (en) 2013-01-02
CA2702387A1 (en) 2009-04-23
US20100094098A1 (en) 2010-04-15
JP2011500205A (en) 2011-01-06
EP2200501A4 (en) 2015-09-30
EP2200501A1 (en) 2010-06-30
KR20100091947A (en) 2010-08-19
CN101902954A (en) 2010-12-01
JP5432160B2 (en) 2014-03-05
KR101574812B1 (en) 2015-12-04
BRPI0817829A2 (en) 2015-03-31
AU2008314638A1 (en) 2009-04-23
TW200919990A (en) 2009-05-01
AU2008314638B2 (en) 2014-05-08
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Owner name: SMITHS MEDICAL PM, INC.,WISCONSIN
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SMITH, GUY A.;OSWALD, MATTHEW T.;BROWN, MATTHEW L.;AND OTHERS;SIGNING DATES FROM 20081008 TO 20081009;REEL/FRAME:021735/0721