WO2003022190B1 - Thermo-regulating support structure - Google Patents

Thermo-regulating support structure

Info

Publication number
WO2003022190B1
WO2003022190B1 PCT/US2002/028561 US0228561W WO03022190B1 WO 2003022190 B1 WO2003022190 B1 WO 2003022190B1 US 0228561 W US0228561 W US 0228561W WO 03022190 B1 WO03022190 B1 WO 03022190B1
Authority
WO
WIPO (PCT)
Prior art keywords
air
temperature
coupled
bladder
air bladder
Prior art date
Application number
PCT/US2002/028561
Other languages
French (fr)
Other versions
WO2003022190A2 (en
WO2003022190A3 (en
Inventor
James R Stolpman
Original Assignee
Hill Rom Services Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hill Rom Services Inc filed Critical Hill Rom Services Inc
Priority to CA002457760A priority Critical patent/CA2457760A1/en
Priority to DE60218323T priority patent/DE60218323T2/en
Priority to EP02757652A priority patent/EP1424968B1/en
Publication of WO2003022190A2 publication Critical patent/WO2003022190A2/en
Publication of WO2003022190A3 publication Critical patent/WO2003022190A3/en
Publication of WO2003022190B1 publication Critical patent/WO2003022190B1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05—Parts, details or accessories of beds
    • A61G7/057—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor
    • A61G7/05769—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with inflatable chambers
    • A61G7/05776—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with inflatable chambers with at least two groups of alternately inflated chambers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05—Parts, details or accessories of beds
    • A61G7/057—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor
    • A61G7/05784—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with ventilating means, e.g. mattress or cushion with ventilating holes or ventilators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/06—Measuring instruments not otherwise provided for
    • A61B2090/064—Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F2007/0001—Body part
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F2007/0059—Heating or cooling appliances for medical or therapeutic treatment of the human body with an open fluid circuit
    • A61F2007/006—Heating or cooling appliances for medical or therapeutic treatment of the human body with an open fluid circuit of gas
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F2007/0059—Heating or cooling appliances for medical or therapeutic treatment of the human body with an open fluid circuit
    • A61F2007/0069—Heating or cooling appliances for medical or therapeutic treatment of the human body with an open fluid circuit with return means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F2007/0095—Heating or cooling appliances for medical or therapeutic treatment of the human body with a temperature indicator
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/0085—Devices for generating hot or cold treatment fluids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/0097—Blankets with active heating or cooling sources
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00—General characteristics of devices
    • A61G2203/30—General characteristics of devices characterised by sensor means
    • A61G2203/34—General characteristics of devices characterised by sensor means for pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00—General characteristics of devices
    • A61G2203/30—General characteristics of devices characterised by sensor means
    • A61G2203/46—General characteristics of devices characterised by sensor means for temperature

Abstract

An apparatus (10) for regulating a temperature of a body support structure (14) including at least one bladder (16). A temperature modulator (72) is coupled to the at least one bladder (16) for varying the temperature of fluid within the bladder (16).

Claims

AMENDED CLAIMS[received by the International Bureau on 13 May 2003 (13.05.03); original claims 1-3, 7-9, 13, 25, 39 and 41 amended; remaining claims unchanged (6 pages)]
1. An apparatus for regulating a temperature of a body support structure comprising: an air bladder having an air inlet and an air outlet; a temperature sensor coupled to the air bladder to detect a temperature of air passing through the air bladder and provide an output signal indicative thereof, a circulator coupled to the air bladder and configured to move air from the air outlet to the air inlet; a temperature modulator coupled to the air bladder and configured to alter the temperature of air moved by the circulator, and a controller coupled to the circulator, the temperature modulator and the temperature sensor to control the temperature of the air bladder based on the output signal from the temperature sensor.
2. The apparatus of claim 1, wherein the body support structure includes a plurality of air bladders defining a plurality of control zones and a plurality of temperature sensors, at least one temperature sensor being coupled to each of the plurality of control zones to detect the temperature of air within each of the plurality of control zones separately and provide an output signal indicative thereof, the controller being coupled to the plurality of temperature sensors to control the temperature in each of the plurality of control zones separately based on the output signals from the plurality of temperature sensors.
3. The apparatus of claim 1, wherein the temperature modulator is coupled between the air outlet and the air inlet of the air bladder so that the temperature modulator controls the temperature of air supplied to the air bladder from the circulator.
4. The apparatus of claim 1, wherein the temperature modulator is a heat exchanger.
5. The apparatus of claim 1, wherein the temperature modulator is a heating element.
6. The apparatus of claim 1, wherein the temperature modulator is a cooling element.
7. The apparatus of claim 1, wherein the air circulator is a compressor.
8. The apparatus of claim 1, wherein the air circulator is a blower.
9. The apparatus of claim 1, wherein the air circulator is a facility air system.
10. The apparatus of claim 1, wherein the air bladder has an outer surface and the sensor is coupled to the outer surface of the air bladder.
11. The apparatus of claim 1, wherein the air bladder has an interior region and the sensor is located in the interior region of the air bladder.
12. The apparatus of claim 1, wherein the air bladder includes a low air loss material.
13. The apparatus of claim 1, further comprising a first manifold positioned longitudinally along a first side of the air bladder and a second manifold positioned longitudinally along a second side of the air bladder, the first and second manifolds being coupled to the air bladder.
14. The apparatus of claim 13, wherein the first manifold and second manifold are positioned transverse to the air bladder.
15. The apparatus of claim 1, further comprising a base positioned below the air bladder.
16. The apparatus of claim 15, wherein the base comprises a plurality of base sections.
17. The apparatus of claim 15, wherein the base includes a seat zone and a head zone, the seat zone having a higher indention load deflection rating than the head zone.
18. The apparatus of claim 16, wherein each of the plurality of base sections has a different indention load deflection rating.
19. The apparatus of claim 18, wherein the base further includes a foot zone having a lower indention load deflection rating than the seat zone.
20. The apparatus of claim 18, wherein the base further includes a knee zone, the knee zone having the same indention load deflection ratings as the head zone.
21. The apparatus of claim 16, wherein the plurality of base sections comprise polyurethane foam.
22. The apparatus of claim 21, wherein the polyurethane foam is omalized.
23. The apparatus of claim 1, further comprising a heat reflective covering positioned over the body support structure.
24. The apparatus of claim 23, wherein the covering comprises air- permeable material.
25. An apparatus for controlling a temperature of a body support structure having a first bladder and a second bladder coupled to a fluid supply, the apparatus comprising: at least one temperature modulator coupled to the first and second bladders, the at least one temperature modulator including a heating element and a cooling element, and a controller coupled to the at least one temperature modulator to control a temperature of the fluid supply in the first and second bladders independently.
26. The apparatus of claim 25, wherein the at least one temperature modulator includes first and second temperature modulators coupled to the first and second bladders, respectively.
27. The apparatus of claim 25, further comprising first and second temperature sensors coupled to the first and second bladders, respectively, to detect first and second temperatures within the first and second bladders independently, the first and second temperature sensors being coupled to the controller to permit the controller to maintain temperatures within the first and second bladders at preselected temperatures.
28. An apparatus for regulating a temperature of a body support structure including a plurality of support zones, each support zone being coupled to a fluid supply, the apparatus comprising: a plurality of temperature modulators, each temperature modulator being coupled to one of the support zones, and a controller coupled to the plurality of temperature modulators to maintain a temperature in each of the plurality of support zones at an independent, preselected temperature.
29. The apparatus of claim 28, further comprising a plurality of temperature sensors coupled between the fluid supply and the plurality of support zones to detect a temperature of the fluid supplied to the plurality of support zones.
30. The apparatus of claim 28, wherein the fluid supply is an air supply.
31. A body support apparatus comprising: a support structure configured to support a body, the support structure including a plurality of air bladders coupled to an air supply, a temperature control system including a temperature modulator coupled to the plurality of air bladders and a controller configured to regulate the temperature of air supplied to the plurality of air bladders by the air supply, and a reflective covering positioned over the body.
32. The apparatus of claim 31, wherein the covering comprises a heat reflective material.
33. The apparatus of claim 31, wherein the covering is detachably coupled to the support structure.
34. The apparatus of claim 31, wherein the covering comprises permeable material.
35. A support apparatus for a body, the apparatus comprising: a mattress structure including a plurality of side-by-side base sections, a layer of material underlying the base sections, a plurality of side-by-side air bladders overlying and being supported by the base sections, a plurality of tethers, each tether connecting a respective one of the air bladders to the layer of material, each tether extending between a respective pair of the base sections, an air supply coupled to the plurality of air bladders, and a temperature regulation system coupled between the air supply and the plurality of air bladders.
36. The apparatus of claim 35, wherein the temperature regulation system includes at least one temperature modulator coupled to the plurality of air bladders, and a controller coupled to the at least one temperature modulator to independently control the temperature of the air in each of the plurality of air bladders.
37. The apparatus of claim 35, further comprising a cover enclosing the air bladders and the base sections.
38. The apparatus of claim 37, further comprising an anti-skid pad coupled to the cover.
39. A system for regulating the temperature and pressure of a body support structure, the support structure including a plurality of air bladder zones, the system comprising: an air bladder inflation system including an air supply and a plurality of pressure sensors, each pressure sensor being configured to detect a pressure in an associated air bladder zone, a closed temperature regulation system including a temperature modulator coupled to each of the plurality of air bladder zones and a plurality of temperature sensors, each temperature sensor being configured to detect a temperature of air in an associated air bladder zone, each temperature modulator positioned intermediate an air outlet of the associated air bladder and an air inlet of the associated air bladder; and a controller coupled to both the air bladder inflation system and the temperature regulation system to regulate both the pressure and temperature of air in the plurality of air bladder zones.
40. The system of claim 39, wherein the controller regulates the pressure and temperature of air in each of the plurality of air bladder zones separately from the other air bladder zones.
41. An apparatus for regulating a temperature of a body support structure, the apparatus comprising: a low air loss air bladder having an air inlet, an air outlet, and an upper support surface formed to include a plurality of holes, a temperature sensor coupled to the air bladder to detect a temperature of air.passing through the air bladder, a blower coupled to the air bladder and configured to move air from the air outlet to the air inlet, an air temperature modulator coupled to the blower and configured to alter the temperature of air moved by the blower, and a controller coupled to the temperature modulator and the temperature sensor to maintain a temperature of air provided to the air bladder at a preselected temperature based on an output from the temperature sensor.
42. The apparatus of claim 41, further comprising a blanket positioned above the body and the support structure to maintain the preselected temperature.
43. The apparatus of claim 41, wherein the air bladder has a lower support surface and an anti-skid pad coupled to the lower support surface.
PCT/US2002/028561 2001-09-11 2002-09-09 Thermo-regulating support structure WO2003022190A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA002457760A CA2457760A1 (en) 2001-09-11 2002-09-09 Thermo-regulating support structure
DE60218323T DE60218323T2 (en) 2001-09-11 2002-09-09 TEMPERATURE-REGULATED PATIENT STRUCTURE
EP02757652A EP1424968B1 (en) 2001-09-11 2002-09-09 Thermo-regulating support structure

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/951,577 US6855158B2 (en) 2001-09-11 2001-09-11 Thermo-regulating patient support structure
US09/951,577 2001-09-11

Publications (3)

Publication Number Publication Date
WO2003022190A2 WO2003022190A2 (en) 2003-03-20
WO2003022190A3 WO2003022190A3 (en) 2003-05-08
WO2003022190B1 true WO2003022190B1 (en) 2003-06-26

Family

ID=25491854

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/028561 WO2003022190A2 (en) 2001-09-11 2002-09-09 Thermo-regulating support structure

Country Status (6)

Country Link
US (1) US6855158B2 (en)
EP (3) EP2286772B1 (en)
AT (1) ATE354331T1 (en)
CA (1) CA2457760A1 (en)
DE (1) DE60218323T2 (en)
WO (1) WO2003022190A2 (en)

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WO2003022190A2 (en) 2003-03-20
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