Source: https://patents.google.com/patent/US8464380B2/en
Timestamp: 2019-01-24 01:29:44
Document Index: 260207968

Matched Legal Cases: ['Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60']

US8464380B2 - Patient support apparatus having alert light - Google Patents
Patient support apparatus having alert light Download PDF
US8464380B2
US8464380B2 US13334161 US201113334161A US8464380B2 US 8464380 B2 US8464380 B2 US 8464380B2 US 13334161 US13334161 US 13334161 US 201113334161 A US201113334161 A US 201113334161A US 8464380 B2 US8464380 B2 US 8464380B2
US13334161
US20120105233A1 (en )
Stephen L. Douglas
Jonathan H. Mueller
Mayur Yermaneni
A patient support apparatus includes a bed frame having a head end and a foot end and control circuitry carried by the bed frame. The control circuitry receives information about conditions of the patient support apparatus. A light is coupled to the bed frame adjacent the foot end and is coupled to the control circuitry. The light is in a first state when the patient support apparatus is operating normally and the light is in a second state when the control circuitry detects an alert condition.
This application is a continuation of U.S. application Ser. No. 11/994,478, filed Oct. 8, 2008, which is the U.S. national phase of PCT/US2006/026788, filed Jul. 7, 2006. PCT US2006/026788 claims priority to U.S. Provisional Patent Application No. 60/697,708, filed Jul. 8, 2005. The entire disclosures of both PCT/US2006/026788 and U.S. Provisional Patent Application No. 60/697,708 are hereby incorporated by reference herein. The present application is related to U.S. patent application Ser. No. 11/119,980, entitled PRESSURE RELIEF SURFACE, and U.S. patent application Ser. No. 11/119,991, entitled PATIENT SUPPORT HAVING REAL TIME PRESSURE CONTROL, and U.S. patent application Ser. No. 11/119,635, entitled LACK OF PATIENT MOVEMENT MONITOR AND METHOD, and U.S. patent application Ser. No. 11/120,080, entitled PATIENT SUPPORT, all of which were filed on May 2, 2005, all of which are assigned to the assignee of the present invention, and all of which are incorporated herein by this reference.
The present application is also related to U.S. Provisional Patent Application No. 60/636,252, entitled QUICK CONNECTOR FOR MULTIMEDIA, filed Dec. 15, 2004, which is assigned to the assignee of the present invention and incorporated herein by this reference.
The present application is also related to U.S. Provisional Patent Application No. 60/697,748, entitled PRESSURE CONTROL FOR A HOSPITAL BED, filed Jul. 8, 2005 and corresponding PCT Patent Application No. PCT/US2006/026787, filed Jul. 7, 2006, and U.S. Provisional Patent Application No. 60/697,723, entitled PRESSURE RELIEF SUPPORT SURFACE, filed Jul. 8, 2005 and corresponding PCT Patent Application No. PCT/US2006/026620, filed the Jul. 7, 2006, all of which are incorporated herein by this reference.
The present application is also related to U.S. Provisional Patent Application No. 60/734,942, entitled PNEUMATIC VALVE ASSEMBLY FOR A PATIENT SUPPORT, filed Nov. 9, 2005, assigned to the assignee of the present invention and incorporated herein by this reference.
FIGS. 22A-D are exemplary user interfaces for a main display screen of a control unit;
FIGS. 25A-D are exemplary user interfaces for configuring selected alarm types;
FIGS. 26A-D are exemplary user interfaces for configuring other alarm types;
FIGS. 28A-D are exemplary user interfaces for configuring a firmness override feature;
FIGS. 29A-B are exemplary user interfaces for viewing instructional material relating to a patient support;
FIGS. 30A-F are exemplary user interfaces for monitoring a pressure relief feature;
Patient support 10 may be coupled to deck 6 by one or more couplers 46. Illustratively, couplers 46 are conventional woven or knit or fabric straps including a D-ring or hook and loop assembly or Velcro®-brand strip or similar fastener. Other suitable couplers, such as buttons, snaps, or tethers may also be used.
Components of the illustrated embodiment of a patient support in accordance with the present invention are shown in exploded view in FIG. 4. This embodiment of patient support 10 includes a top cover portion 16 and a bottom cover portion 18. Top cover portion 16 and bottom cover portion 18 couple together by conventional means (such as zipper, Velcro® strips, snaps, buttons, or other suitable fastener) to form cover 12, which defines interior region 14. While a plurality of layers, features, and/or components are illustrated within interior region 14, neither the illustrated embodiment of patient support 10 nor the present invention requires all of the illustrated components to be present.
The support components illustrated in FIG. 4 are made of foam, inflatable bladders, three-dimensional material, other suitable support material, or a combination of these. For example, as illustrated, head filler 66 includes a plurality of foam ribs extending transversely across patient support 10. Head filler 66 could also be an inflatable bladder. Filler portion 72 includes a foam layer positioned substantially underneath the sensor pads 68, 70 and extending transversely across the patient support 10. In the illustrated embodiment, filler portion 72 includes a very firm foam, such as polyethylene closed-cell foam, with a ½-inch thickness.
Also provided in the illustrated embodiment are a pneumatic valve box 58 and an air supply tube assembly 82. Receptacle 88 is sized to house pneumatic valve box 58. In the illustrated embodiment, receptacle 88 is coupled to bottom cover portion 18 by Velcro® strips. Pneumatic box 58 and tube assembly 82 are described below with reference to FIG. 5, and FIGS. 8-9.
An air line 150 couples each zone 160 to a valve assembly 162 in valve box 58. Valve box 58 is located in the foot section 34 of patient support 10. Illustratively, valve box 58 is releasably coupled to bottom portion 18 of cover 12 in interior region 14, i.e., by one or more Velcro®-brand fasteners or other suitable coupler.
The various zones 160 are separately inflatable. Certain of the zones 160 are inflated or deflated to allow patient support 10 to conform to different bed frame configurations. For example, the deck filler 90 (zone 10 in FIG. 5) is inflated to conform patient support 10 to certain bed frame configurations, such as step deck configurations including the TotalCare® and CareAssist® bed frames, made by Hill-Rom, Inc., the assignee of the present invention, but is deflated when patient support 10 is used with a flat deck bed frame, such as the Advanta® bed made by Hill-Rom, Inc. As another example, the foot filler 80 (zone 11 in FIG. 5) is inflated when patient support 10 is used with the VersaCare®, TotalCare®, or CareAssist® beds, but the lower side bolsters 142 (zone 5 in FIG. 5) are not inflated when patient support 10 is used with a VersaCare® bed. As still another example, the lower foot bolsters 142 (zone 7 in FIG. 5) are inflated when patient support 10 is used on flat decks or other bed frames, including the Advanta® and VersaCare® bed frames made by Hill-Rom, Inc.
An angle sensor cable 256 is provided to send a signal from a head angle sensor 502 to the control board 250. Angle sensor cable 256 couples to an angle plug 257 of control board 250. In the illustrated embodiment, head angle sensor 502 is located within head bolster assembly 76. Head angle sensor 502 indicates the angle of elevation of the head end 32 of bed 2 as the head section of the frame 4 articulates upwardly raising the patient's head or downwardly lowering the patient's head. In one embodiment, angle sensor 502 transmits the angle of head end 32 to all nodes or circuit boards within the mattress control system 42, 58. Angle sensor 502 generates an indication or indicator signal when head end 32 is at an angle of at least 5.degree., at least 30.degree., and at least 45.degree. The head angle indication is transmitted to the control unit 42 which evaluates and processes the signal. When head end 32 is at an angle above 30.degree. turn assist 74 becomes inoperative primarily for patient safety reasons. When head end 32 is at an angle above 45.degree. information is transmitted to control unit 42 for use in the algorithms. The 5.degree. angle indication is primarily to ensure relative flatness of patient support 10. In the illustrated embodiment, angle sensor 502 is a ball switch or string potentiometer.
Corresponding female 184 and male 182 portions are provided in the upper end 26 of the exterior housing of the control unit 42. The pivot coupling assembly 194 thereby mates with the coupling portions 182, 184 as shown by dashed lines 186, 192. A suitable hinge 142 is the model MH40 manufactured by Reell Precision Manufacturing Corporation of St. Paul, Minn. (www.reell.com). The hinge 142 allows the display portion 24 to rotate between an upward or raised use position and a lowered or closed storage position as described above. However, the display maybe stopped at any position in between the two extreme positions. The range of motion of the pivotable display portion is greater than 180 degrees.
The display board 528 also include memory. The illustrated display board 528 supports either or both 128 mega bits SDRAM and 64 mega bit flash memory. The liquid crystal display 546 is, in the illustrated embodiment, a TFT VGA LCD (640.times.480) with a TTFL backlight.
The microcontroller 604 for the algorithm board 526 is the Motorola Free Style MC9S12DJ128BCFU or other suitable 16-bit microcontroller with a 128 killo bit flash EEPROM that can be upgraded to 256 killo bits if necessary. The algorithm control microcontroller 604 includes 8 killo bits of RAM memory, 2 UART ports, and 7 eight-bit PWM channels also, the algorithm control micro 604 has a built in CAN controller, which supports the current versions of CAN.
Referring back to FIG. 19, the touch screen 524 includes a resistive 5-wire touchscreen which is used in connection with a liquid crystal display 546. While less expensive 4-wire touchscreens may also be used, the 5-wire touchscreen is presently preferred. A suitable touchscreen is the Elo Accutouch® 8.4 inch touch screen part no. E24724-000. An Elo and Intellitouch surface way touchscreen may also be used.
In the illustrated embodiment, a firmness override or comfort adjust feature 642 is also provided. The firmness override feature allows a caregiver to adjust the internal bladder pressure of one or more air bladders in the mattress 10 for patient comfort. For example, if a particular patient prefers a firmer mattress, the internal bladder pressure may be increased. In the illustrated embodiment, the firmness override feature is provided in addition to the automatic pressure relief feature, but this may not always be the case. The firmness override feature is described in more detail in U.S. Provisional Patent Application Ser. No. 60/697,748, filed Jul. 8, 2005, and corresponding PCT Patent Application PCT/US2006/026787 filed on the same date herewith, assigned to the assignee of the present invention, and incorporated herein by reference.
a bed frame having a head end and a foot end,
control circuitry carried by the bed frame, the control circuitry receiving information about at least two conditions of the patient support apparatus, and
a light coupled to the bed frame adjacent the foot end and coupled to the control circuitry, the light being in a first state when the patient support apparatus is operating normally and the light being in a second state when the control circuitry detects an alert condition as determined by the control circuitry based on the information, wherein the first state includes the light being illuminated green and wherein the second state includes the light being illuminated a color other than green.
2. The patient support apparatus of claim 1, wherein the alert condition corresponds to a patient's amount of motion exceeding a threshold.
3. The patient support apparatus of claim 1, wherein the alert condition corresponds to a patient attempting to exit the patient support apparatus.
4. The patient support apparatus of claim 1, wherein the alert condition corresponds to a patient lying near an edge of the patient support apparatus.
5. The patient support apparatus of claim 1, further comprising a foot board coupled to the bed frame and the light being carried by the foot board.
6. The patient support apparatus of claim 5, further comprising a control panel carried by the foot board above the light.
7. The patient support apparatus of claim 6, wherein the control panel comprises a touch screen.
8. The patient support apparatus of claim 7, further comprising a mattress supported on the bed frame and the touch screen displays icons that are used to control features of the mattress.
9. The patient support apparatus of claim 1, wherein the first state comprises the light being continuously illuminated green.
10. The patient support apparatus of claim 9, wherein the second state comprises at least one of an illuminated amber state and an illuminated red state.
11. The patient support apparatus of claim 1, wherein at least one of the first state and the second state comprises flashing the light.
12. The patient support apparatus of claim 1, wherein the light comprises a lens and at least one light producing element.
13. The patient support apparatus of claim 12, wherein the at least one light producing element includes a plurality of light producing elements.
14. The patient support apparatus of claim 13, wherein the plurality of light producing elements includes a first light emitting diode (LED) that is operable to emit green light and a second LED that is operable to emit red light or yellow light.
15. The patient support apparatus of claim 12, wherein the lens is frosted.
16. The patient support apparatus of claim 12, wherein the lens is textured.
17. The patient support apparatus of claim 12, wherein the light further comprises a lightpipe through which light from the light producing element passes before reaching the lens.
18. The patient support apparatus of claim 17, wherein the lightpipe is frosted.
19. The patient support apparatus of claim 17, wherein the lightpipe is textured.
20. The patient support apparatus of claim 1, wherein the light is in a third state when the patient support apparatus is in need of service.
21. A patient support apparatus comprising
a bed having a head end and a foot end,
control circuitry carried by the bed, the control circuitry receiving information about at least two conditions of the patient support apparatus, and
a light coupled to the bed frame adjacent the foot end and coupled to the control circuitry, wherein the light has a first state in which the light is illuminated green when no alert conditions are detected by the control circuitry based on the information and wherein the light has a second state in which the light is illuminated a color other than green when an alert condition is detected by the control circuitry based on the information, the first light indicating the alert condition in response to at least one of patient motion and a bed setting.
22. The patient support apparatus of claim 21, wherein the alert condition corresponds to a patient's amount of motion exceeding a threshold.
23. The patient support apparatus of claim 21, wherein the alert condition corresponds to a patient attempting to exit the patient support apparatus.
24. The patient support apparatus of claim 21, further comprising a foot board coupled to the bed frame and the light is carried by the foot board.
25. The patient support apparatus of claim 24, further comprising a control panel carried by the foot board above the light.
a bed frame having a head end and a foot end, the bed frame including a mattress support deck,
a plurality of sensors to sense conditions of the patient support apparatus, the plurality of sensors including a first sensor that senses a first condition of the patient support apparatus and a second sensor that senses a second condition of the patient support apparatus,
control circuitry carried by the bed frame, the control circuitry receiving information from the plurality of sensors about conditions of the patient support apparatus, and
a light coupled to the bed frame adjacent the foot end and coupled to the control circuitry, the light being in a first state when the information from the plurality of sensors is indicative that the patient support apparatus is operating normally and the light being in a second state when the control circuitry detects an alert condition as determined by the information from at least one sensor of the plurality of sensors, wherein the first state includes the light being illuminated green and wherein the second state includes the light being illuminated a color other than green.
27. The patient support apparatus of claim 26, wherein the first sensor comprises a pressure sensor to sense pressure associated with a first zone of a mattress and the second sensor comprises a second pressure sensor to sense pressure associated with a second zone of the mattress.
28. The patient support apparatus of claim 26, wherein the light comprises a lens and a plurality of light producing elements each of which shines light through the lens when in a respective on state.
US13334161 2005-07-08 2011-12-22 Patient support apparatus having alert light Active US8464380B2 (en)
US69770805 true 2005-07-08 2005-07-08
PCT/US2006/026788 WO2007008831A3 (en) 2005-07-08 2006-07-07 Control unit for patient support
US99447808 true 2008-10-08 2008-10-08
US13334161 US8464380B2 (en) 2005-07-08 2011-12-22 Patient support apparatus having alert light
US13916664 US9220650B2 (en) 2005-07-08 2013-06-13 Patient support apparatus having alert light
US14872254 US20160095774A1 (en) 2005-07-08 2015-10-01 Patient support apparatus having alert light
US11994478 Continuation
US11994478 Continuation US8117701B2 (en) 2005-07-08 2006-07-07 Control unit for patient support
PCT/US2006/026788 Continuation WO2007008831A3 (en) 2005-07-08 2006-07-07 Control unit for patient support
US99447808 Continuation 2008-10-08 2008-10-08
US13916664 Continuation US9220650B2 (en) 2005-07-08 2013-06-13 Patient support apparatus having alert light
US20120105233A1 true US20120105233A1 (en) 2012-05-03
US8464380B2 true US8464380B2 (en) 2013-06-18
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US11994478 Active 2028-06-03 US8117701B2 (en) 2005-07-08 2006-07-07 Control unit for patient support
US13334161 Active US8464380B2 (en) 2005-07-08 2011-12-22 Patient support apparatus having alert light
US13916664 Active US9220650B2 (en) 2005-07-08 2013-06-13 Patient support apparatus having alert light
US14872254 Pending US20160095774A1 (en) 2005-07-08 2015-10-01 Patient support apparatus having alert light
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