US2245909A - Cushioning and supporting device - Google Patents

Cushioning and supporting device Download PDF

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Publication number
US2245909A
US2245909A US169868A US16986837A US2245909A US 2245909 A US2245909 A US 2245909A US 169868 A US169868 A US 169868A US 16986837 A US16986837 A US 16986837A US 2245909 A US2245909 A US 2245909A
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fluid
chambers
enclosure
pressure
supporting
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US169868A
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Enfiajian Helen
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Enfiajian Helen
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05Parts, details or accessories of beds
    • A61G7/057Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor
    • A61G7/05769Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with inflatable chambers
    • A61G7/05776Arrangements 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F5/00Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/04Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
    • A61F5/05Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for immobilising
    • A61F5/058Splints
    • A61F5/05816Inflatable splints
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00Surgery
    • Y10S128/20Inflatable splint
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S297/00Chairs and seats
    • Y10S297/03Pneumatic

Description

June 17, 1941. H. ENFIAJIAN 2,245,909

CUSHIONING AND SUPPORTING DEVICE Filed Oct. 19, 19:7

-INVENTOR' JVeZen 'vzftq wn.

. BY W MA ORNEY.

Patented June 17, 1941 UNITED STATES PATENT OFFICE cusnronmo AND surroa'rmo DEVICE [Helen Enflaiian, Los Angeles, Calif.

Application ottom- 19, 1937, Serial No. 169,868

4 Claims.

This invention relates to a cushioning and supporting device, and particularly to that type which can be filled with a fluid.

An object of this invention is to provide a flexible supporting cushion having varying degrees of yieldability.

Another object lies in the provision of a flexible cushion member having varying degrees of yieldability, and in which the extent of yieldability may be altered or controlled at the will 01 the person using the same, or of an attendant.

A further object of the invention resides in having a flexible supporting cushion for use by persons in which the extent of yieldability of the cushion may difier over its supporting area, if desired, and in which the difierence may be altered at will.

A still further object of my invention lies in the provision of an inflatable mattress in which the fluid pressure in certain parts thereof may be made equal to or difierent from the fluid pressure in other parts.

Still another object of the invention lies in the provision of an inflatable cast in which the fluid pressure may be altered or made to difl'er in different regions thereof.

A further object of the invention is to provide a novel supporting device for a human being, and in which the body of a person may be supported thereon either through the entire area of the device, or at spaced intervals therealong, and which after a period of time of support, the supporting areas may be relieved and the body supported by the device at other areas.

The invention is particularly useful and adaptable in supporting bed-ridden patients, whereby the body may be supported on certain areas for a predetermined period of time, and then supported on other areas of the body to thereby reduce to a minimum the likelihood of such bedridden persons having bed sores; andis alsouseful in supporting the body or parts, or limbs thereof in casts so as to compensate for swelling or atrophy of the body or limbs thereof about which a cast is placed.

The invention resides in the parts and combination of parts more particularly hereinafter described and pointed out in the claims.

Other objects, advantages, and features of invention may appear from the accompanying drawing, the subjoined detail description, and the appended claims.

The accompanying drawing illustrates the invention in a form I at present deem preferable.

Figure 1 is a plan view of one form of my invention with parts broken away and in section to show interior construction.

Fig. 2 is a side elevational view of the structure shown in Fig. 1, with parts thereof broken away and shown in section to illustrate the interior or the structure.

Fig. 3 is a plan view partly in section, of a modified form of the invention.

Fig. 4 is a side elevational view of the form 0! my invention shown in Fig. 3; parts are broken away and shown in section to illustrate the interior construction.

Fig. 5 is another modified form of my invention shown fragmentally, partly in plan and in section.

'Fig. 6 is a fragmental side elevational view of the form of my invention shown in Fig. 5.

Fig. '7 is a longitudinal sectional view of my invention as associated with a, cast applied to a limb of a person.

Fig. 8 is a transverse sectional view taken on line 8-8 of Fig. '7.

In all of the embodiments disclosed on the drawing. provision is made for the introduction of a suitable fluid into the supporting cushion, the fluid pressure being controlled so that pressure differentials may be provided in various portions of the supporting cushion device, or if desired, the pressures may be made equal throughout the entire supporting area of the device.

In Figures 1 and 2, a mattress A is disclosed which is particularly useful for supporting sick person or invalids. The device includes an enclosure l0 made of a flexible but preferably nonstretch'able material. A sinuous partition H extends between the bottom I2 and top l3 of the mattress, dividing the same into two pressure regions I4, I5, each having transversely extending supporting chambers IS in which a fluid, such as air or hot or cold water may be introduced as desired depending upon the connections and the treatment desired. Such introduction is accomplished through the individual pipes I], each of which enters into an individual pressure region by being fitted into the bosses l8 formed at one end IQ of the mattress. The flow of fluid through each pipe I! is controlled by its respec-- tive valve 20, the pressure in each chamber being ascertainable from the pressure gauge 21 screwed into the pipe adjacent the mattress. The fluid pressure may be controlled and exhausted by means of the outlet valve 22 in the exhaust pipe 23 having communication with the inlet pipe H in the manner shown in Fig. 1.

Because of the sinuous partition II, the transversesupporting chambers l6 supplied by each inlet pipe I! are in staggered relationship with respect to the chambers l6 supplied by the othe inlet pipe. If the pressure supplied by one inlet pipe is different from that supplied through the other, the result is that varying degrees of support will be given to a person lying on the mattress since adjacent chambers will have fluid therein under difierent pressures. Thus, pressure my be applied to regions of the patients body for adequately supporting the same, while in those regions where relief is desirable or necessary the pressure may be decreased. With the use of a liquid such as hot or cold water. the extent 01' support may be varied by the control of the volume of liquid in each chamber.

Another form of mattress is shown in Figures 3 and 4. The arrangement shown in these Figures 3 and 4 provides substantially the same results as the mattress of Fig. 1, but it possesses greater flexibility in its use, and comprises the enclosing which annulus the plaster of Paris or other castive material (not shown) is positioned. A pipe 53 extends into each chamber for supplying fluid under pressure thereto. In the instant example, the fluid is also exhausted through the same pipe, but it will be appreciated that various other arrangements of the nature disclosed in the other member 24 divided into a series of individual fluid chambers 25 by the partitions 26 extending between the top 21, bottom 28, and side walls 29. An inlet header 3 conveys fluid from a suitable source of supply to each chamber 25 through the individual pipes 3| connected thereto at one end, and at the other end to the header. The flow o1 fluid into each chamber 25 is controllable by a valve 32 positioned in each pipe 3|. The exhaust from the chambers 25 may flow through a second set of individual pipes 33 communicating with the exhaust header 34 under control of a valve 35 therein by means of which the flow of fluid into the exhaust header may be controlled.

With the arrangement just described, the pressure in each chamber 25, or the volume of fluid therein may be varied at will through manipulation of the inlet and outlet valves. Any degree of flexibility within limits may be given to the various portions of the mattress in order to supply the proper support to various regions or the body of a person lying thereon. By this arrangement hot or cold water may be caused to flow through any desired number of chambers to maintain that region of mattress support at a temperature suitable for the persons body.

The mattress construction shown in Figs. and 6 is analogous to Figs. 3 and 4 in its general aspects. The enclosing body 36 for the mattress is not divided into individual chambers but includes a plurality of ad-Jacently positioned flexible chambers 31 which support the patients body. At one end 38 of each chamber a pipe 39 makes connection with an inlet header 40 through which fluid is supplied from a suitable source. The flow of fluid into each chamber is controlled by a valve ll; and the exhaust from each chamber may proceed through the pipes 42 and under control of valve 43 into an exhaust header 44. Additionally, a master control inlet valve 45 is provided in the header ID for determining the maximum flow that can pass into each chamber. Similarly, a master control valve 46 is provided in the exhaust header 44 for determining the maximum flow from each chamber.

The operability of the last described mattress is similar to Figs. 3 and 4. The main feature of diflerence lies in separating each chamber from the material of the enclosure 36; while the placing oi! the inlet and outlet at opposite ends of embodiments on the drawing may be used in connection with. the cushioned cast device.

The interior wall 5| of the annulus is preferably shaped to approximately flt the limb 54 which it encircles. The essential support to the limb will be given by the fluid in each chamber, the amount of fluid or pressure in each chamber being adjustable and variable in accordance with the extent of support of this pressure desired to be imparted to the particular region of the limb. In the event that the pressure becomes too great it can readily be relieved by exhausting fluid from one or more of the chambers 49. Such a situation would arise ii the limb swells. The pressure could then be decreased to avoid suffering on'the part of the patient while maintaining the cast firmly about the injured member.

It is to be understood that the foregoing description and various embodiments disclosed are for the purpose of illustrating the invention rather than imposing any limitations thereon. The scope of the invention can best be understood from a consideration of the claims appended hereto.

I claim:

1. A cushioning and supporting device comprising means defining an enclosure upon which a person can lie, a sinuous partition in said enclosure extending continuously back and forth across said enclosure from side to side and from end to end to provide a plurality of alternate chambers disposed transversely of said enclosure, means adapted to supply fluid to alternate chambers, and means adapted to supply fluid to the remaining chambers.

2. A cushioning and supporting device comprising means defining an enclosure upon which a person can lie, a sinuous partition in said enclosure extending continuously back and forth across said enclosure from side to side and from end to end to provide a plurality of alternate chambers disposed transversely of said enclosure, valve control means for supplying fluid to the chambers on each side of the partition, and valve control means for exhausting fluid from the chambers on each side of the partition. 3. A cushioning and supporting device comprising means defining an enclosure upon which a person may lie, a sinuous partition in saidenclosure extending continuously back and forth across said enclosure from side to side and from end to end to provide a plurality of alternate chambers disposed transversely of said enclosure, said chambers on each side of said partition being adapted to be attached to a fluid supply means for independent inflation or deflation of alternate chambers.

4. A cushioning and supporting device comprising means deflning an enclosure; a sinuous partition in said enclosure extending continuously back and forth across said enclosure from side to side and from end to end to provide a plurality of alternate chambers disposed transversely of said enclosure; said enclosure being adapted to be attached to a fluid supply means for the alternate chambers.

HELEN ENFIAJIAN.

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Cited By (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2542781A (en) * 1947-02-14 1951-02-20 John H Sawyer Inflatable mattress unit
US3085568A (en) * 1960-08-02 1963-04-16 Whitesell Harry Physio-therapy apparatus
US3110307A (en) * 1962-07-06 1963-11-12 James T Davis Splint
US3166799A (en) * 1961-02-02 1965-01-26 Birnkrant Milton Inflatable furniture arrangements
US3192541A (en) * 1962-03-19 1965-07-06 Boyd S Moore Contourable pneumatic cushions
US3192540A (en) * 1962-01-22 1965-07-06 Richard E Swank Adjustable pneumatic support
US3310818A (en) * 1964-10-22 1967-03-28 Air Inflatable Products Corp Shock absorbing apparatus
US3317934A (en) * 1963-10-24 1967-05-09 Drager Otto H Change in pressure mattress
US3322399A (en) * 1962-05-18 1967-05-30 James D Sawyers Cattle guard
US3326601A (en) * 1965-07-28 1967-06-20 Gen Motors Corp Inflatable back support for a seat
US3363941A (en) * 1966-05-16 1968-01-16 Way Inc Air inflated automobile seat
FR2009692A1 (en) * 1968-05-30 1970-02-06 Semperit Ag
US3705429A (en) * 1969-01-09 1972-12-12 Walter P Nail Inflatable load supporting structures
US3771519A (en) * 1972-03-20 1973-11-13 P Haake Orthopedic suspension
US3772717A (en) * 1971-02-05 1973-11-20 Y Yuen Inflatable mattresses and cushions
US3823711A (en) * 1971-12-14 1974-07-16 Aerazur Constr Aeronaut Inflatable profile with high pneumatic rigidity
US3920006A (en) * 1974-01-02 1975-11-18 Roy Lapidus Inc Inflatable device for healing of tissue
US3999539A (en) * 1975-12-10 1976-12-28 Meador Robert L Water filled orthopedic chair
US4067078A (en) * 1976-06-10 1978-01-10 Winston Emanuel A Adjustable back supporter
US4258706A (en) * 1978-11-17 1981-03-31 Shank Donald C Muscle-relaxing reclining chair
US4509750A (en) * 1980-04-09 1985-04-09 Last Anthony J Surface vibration absorbing strap
US4551874A (en) * 1982-12-16 1985-11-12 Nitto Kohki Co., Ltd. Pneumatic massage mat
WO1986006624A1 (en) * 1985-05-10 1986-11-20 Mediscus Products Limited Patient support appliances
US4662012A (en) * 1983-12-07 1987-05-05 Torbet Philip A Bed utilizing an air mattress
US4679264A (en) * 1985-05-06 1987-07-14 Mollura Carlos A Airbed mattress including a regulated, controllable air reservoir therefor
US4829616A (en) * 1985-10-25 1989-05-16 Walker Robert A Air control system for air bed
US4867140A (en) * 1986-05-19 1989-09-19 Hovis Donald B Fluid-actuated medical support
US4873710A (en) * 1988-01-15 1989-10-10 Lotman David B Patient support
US4897890A (en) * 1983-01-05 1990-02-06 Walker Robert A Air control system for air bed
WO1990003750A1 (en) * 1988-10-12 1990-04-19 Leggett & Platt, Incorporated Body support system
US4954051A (en) * 1987-10-02 1990-09-04 National Seating Company Air spring seat and air pump
US4986260A (en) * 1986-06-06 1991-01-22 Superspine, Inc. Apparatus and method for providing continuous passive motion to the spine
US5010608A (en) * 1989-10-11 1991-04-30 Du Pont Canada Inc. Support system for reducing formation of decubitus ulcers
US5016268A (en) * 1988-01-15 1991-05-14 Lotman D Barry Patient support
US5033457A (en) * 1989-06-23 1991-07-23 Bonutti Peter M Air assisted medical devices
US5090077A (en) * 1991-01-07 1992-02-25 Health Products, Inc. Cellular patient support for therapeutic air beds
US5129115A (en) * 1988-10-12 1992-07-14 L&P Property Management Company Method of prefilling and supporting person on fluid filled body support system
US5152021A (en) * 1984-12-17 1992-10-06 Kinetic Concepts, Inc. Low air loss bag for patient support system
US5235713A (en) * 1990-11-06 1993-08-17 Bio Clinic Corporation Fluid filled flotation mattress
US5584085A (en) * 1989-08-24 1996-12-17 Surgical Design Corporation Support structure with motion
US5606754A (en) * 1989-03-09 1997-03-04 Ssi Medical Services, Inc. Vibratory patient support system
US5611772A (en) * 1994-03-15 1997-03-18 Kabushiki Kaisha Fuji Iryoki Air massage device
US5676639A (en) * 1993-03-12 1997-10-14 Huntleigh Technology Plc. Adjustable pressure relief valve for compression garment
US5794288A (en) * 1996-06-14 1998-08-18 Hill-Rom, Inc. Pressure control assembly for an air mattress
US5802646A (en) * 1995-11-30 1998-09-08 Hill-Rom, Inc. Mattress structure having a foam mattress core
US5810750A (en) * 1995-08-25 1998-09-22 Buser; John Paul Method for aligning a fractured bone
US5815865A (en) * 1995-11-30 1998-10-06 Sleep Options, Inc. Mattress structure
US5983429A (en) * 1994-02-15 1999-11-16 Stacy; Richard B. Method and apparatus for supporting and for supplying therapy to a patient
US6115861A (en) * 1997-10-09 2000-09-12 Patmark Company, Inc. Mattress structure
US6151739A (en) * 1995-01-03 2000-11-28 Hill-Rom, Inc. Heel pressure management apparatus and method
US6159172A (en) * 1995-08-25 2000-12-12 Sand Therapeutic, Inc. Orthopedic seat with inflatable cells
US6418579B2 (en) 1999-01-08 2002-07-16 Hill-Rom Services, Inc. Check valve for mattress assembly
US6496993B2 (en) 1995-01-03 2002-12-24 Hill-Rom Services, Inc. Hospital bed and mattress having a retracting foot section
US6611979B2 (en) 1997-09-23 2003-09-02 Hill-Rom Services, Inc. Mattress having a retractable foot section
US20040031103A1 (en) * 2000-11-07 2004-02-19 Wyatt Charles C Therapeutic mattress assembly
US20040181221A1 (en) * 2003-03-12 2004-09-16 Huebner Randall J. External fixator
US20040226102A1 (en) * 2003-05-14 2004-11-18 Hampton Donna N. Alternating pressure cushion
US20050028289A1 (en) * 2002-08-08 2005-02-10 Reza Hakamiun Mattress
US20070136949A1 (en) * 2005-12-19 2007-06-21 Sandy Richards Patient support having an extendable foot section
US7296312B2 (en) 2002-09-06 2007-11-20 Hill-Rom Services, Inc. Hospital bed
US20080271253A1 (en) * 2005-02-14 2008-11-06 Pile Brian F Alternating Pressure Mattresses
US20090240179A1 (en) * 2006-07-03 2009-09-24 Haruki Nakao Pneumatic massage apparatus
US20110047703A1 (en) * 2009-08-31 2011-03-03 Jean-Francois Tarsaud Lateral tilt device
US20110173758A1 (en) * 2008-06-20 2011-07-21 Ricky Jay Fontaine Inflatable mattress and method of operating same
USRE43155E1 (en) * 1995-01-03 2012-02-07 Hill-Rom Services, Inc. Hospital bed and mattress having a retractable foot section
US8286282B2 (en) 1995-08-04 2012-10-16 Hill-Rom Services, Inc. Bed frame and mattress synchronous control
US9089459B2 (en) 2013-11-18 2015-07-28 Völker GmbH Person support apparatus
US10271981B2 (en) 2013-03-15 2019-04-30 First Principles, Inc. Combination wound and injury treatment apparatus
US10357114B2 (en) 1999-04-20 2019-07-23 Wcw, Inc. Inflatable cushioning device with manifold system

Cited By (110)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2542781A (en) * 1947-02-14 1951-02-20 John H Sawyer Inflatable mattress unit
US3085568A (en) * 1960-08-02 1963-04-16 Whitesell Harry Physio-therapy apparatus
US3166799A (en) * 1961-02-02 1965-01-26 Birnkrant Milton Inflatable furniture arrangements
US3192540A (en) * 1962-01-22 1965-07-06 Richard E Swank Adjustable pneumatic support
US3192541A (en) * 1962-03-19 1965-07-06 Boyd S Moore Contourable pneumatic cushions
US3322399A (en) * 1962-05-18 1967-05-30 James D Sawyers Cattle guard
US3110307A (en) * 1962-07-06 1963-11-12 James T Davis Splint
US3317934A (en) * 1963-10-24 1967-05-09 Drager Otto H Change in pressure mattress
US3310818A (en) * 1964-10-22 1967-03-28 Air Inflatable Products Corp Shock absorbing apparatus
US3326601A (en) * 1965-07-28 1967-06-20 Gen Motors Corp Inflatable back support for a seat
US3363941A (en) * 1966-05-16 1968-01-16 Way Inc Air inflated automobile seat
FR2009692A1 (en) * 1968-05-30 1970-02-06 Semperit Ag
US3705429A (en) * 1969-01-09 1972-12-12 Walter P Nail Inflatable load supporting structures
US3772717A (en) * 1971-02-05 1973-11-20 Y Yuen Inflatable mattresses and cushions
US3823711A (en) * 1971-12-14 1974-07-16 Aerazur Constr Aeronaut Inflatable profile with high pneumatic rigidity
US3771519A (en) * 1972-03-20 1973-11-13 P Haake Orthopedic suspension
US3920006A (en) * 1974-01-02 1975-11-18 Roy Lapidus Inc Inflatable device for healing of tissue
US3999539A (en) * 1975-12-10 1976-12-28 Meador Robert L Water filled orthopedic chair
US4067078A (en) * 1976-06-10 1978-01-10 Winston Emanuel A Adjustable back supporter
US4258706A (en) * 1978-11-17 1981-03-31 Shank Donald C Muscle-relaxing reclining chair
US4905998A (en) * 1980-04-09 1990-03-06 Rainbow Star Licensing Tennis elbow prevention and treatment device and method
US4509750A (en) * 1980-04-09 1985-04-09 Last Anthony J Surface vibration absorbing strap
US4551874A (en) * 1982-12-16 1985-11-12 Nitto Kohki Co., Ltd. Pneumatic massage mat
US4890344A (en) * 1983-01-05 1990-01-02 Walker Robert A Air control system for air bed
US4897890A (en) * 1983-01-05 1990-02-06 Walker Robert A Air control system for air bed
US4662012A (en) * 1983-12-07 1987-05-05 Torbet Philip A Bed utilizing an air mattress
US5152021A (en) * 1984-12-17 1992-10-06 Kinetic Concepts, Inc. Low air loss bag for patient support system
US4679264A (en) * 1985-05-06 1987-07-14 Mollura Carlos A Airbed mattress including a regulated, controllable air reservoir therefor
WO1986006624A1 (en) * 1985-05-10 1986-11-20 Mediscus Products Limited Patient support appliances
US4829616A (en) * 1985-10-25 1989-05-16 Walker Robert A Air control system for air bed
US4867140A (en) * 1986-05-19 1989-09-19 Hovis Donald B Fluid-actuated medical support
US4986260A (en) * 1986-06-06 1991-01-22 Superspine, Inc. Apparatus and method for providing continuous passive motion to the spine
US4954051A (en) * 1987-10-02 1990-09-04 National Seating Company Air spring seat and air pump
US4873710A (en) * 1988-01-15 1989-10-10 Lotman David B Patient support
US5016268A (en) * 1988-01-15 1991-05-14 Lotman D Barry Patient support
US4982466A (en) * 1988-10-12 1991-01-08 Leggett & Platt, Incorporated Body support system
US5129115A (en) * 1988-10-12 1992-07-14 L&P Property Management Company Method of prefilling and supporting person on fluid filled body support system
WO1990003750A1 (en) * 1988-10-12 1990-04-19 Leggett & Platt, Incorporated Body support system
US5606754A (en) * 1989-03-09 1997-03-04 Ssi Medical Services, Inc. Vibratory patient support system
US20050034764A1 (en) * 1989-03-09 2005-02-17 Hanh Barry D. Patient support system
US6820640B2 (en) 1989-03-09 2004-11-23 Hill-Rom Services, Inc. Vibratory patient support system
US6415814B1 (en) 1989-03-09 2002-07-09 Hill-Rom Services, Inc. Vibratory patient support system
US6098222A (en) * 1989-03-09 2000-08-08 Hill-Rom Company, Inc. Vibratory patient support system
US5033457A (en) * 1989-06-23 1991-07-23 Bonutti Peter M Air assisted medical devices
US5584085A (en) * 1989-08-24 1996-12-17 Surgical Design Corporation Support structure with motion
US5010608A (en) * 1989-10-11 1991-04-30 Du Pont Canada Inc. Support system for reducing formation of decubitus ulcers
US5235713A (en) * 1990-11-06 1993-08-17 Bio Clinic Corporation Fluid filled flotation mattress
US5090077A (en) * 1991-01-07 1992-02-25 Health Products, Inc. Cellular patient support for therapeutic air beds
US5676639A (en) * 1993-03-12 1997-10-14 Huntleigh Technology Plc. Adjustable pressure relief valve for compression garment
US5983429A (en) * 1994-02-15 1999-11-16 Stacy; Richard B. Method and apparatus for supporting and for supplying therapy to a patient
US5611772A (en) * 1994-03-15 1997-03-18 Kabushiki Kaisha Fuji Iryoki Air massage device
US20060096030A1 (en) * 1995-01-03 2006-05-11 Allen E D Hospital bed and mattress having a retractable foot section
US7216384B2 (en) 1995-01-03 2007-05-15 Hill-Rom Services, Inc. Hospital bed and mattress having a retractable foot section
US6151739A (en) * 1995-01-03 2000-11-28 Hill-Rom, Inc. Heel pressure management apparatus and method
US6496993B2 (en) 1995-01-03 2002-12-24 Hill-Rom Services, Inc. Hospital bed and mattress having a retracting foot section
US7000272B2 (en) 1995-01-03 2006-02-21 Hill-Rom Services, Inc. Hospital bed and mattress having a retractable foot section
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