US3303518A - Inflatable mattresses, pillows and cushions - Google Patents
Inflatable mattresses, pillows and cushions Download PDFInfo
- Publication number
- US3303518A US3303518A US394866A US39486664A US3303518A US 3303518 A US3303518 A US 3303518A US 394866 A US394866 A US 394866A US 39486664 A US39486664 A US 39486664A US 3303518 A US3303518 A US 3303518A
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- Prior art keywords
- mattress
- tubes
- compartments
- cushions
- pillows
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- Expired - Lifetime
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/08—Fluid mattresses or cushions
- A47C27/10—Fluid mattresses or cushions with two or more independently-fillable chambers
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/08—Fluid mattresses or cushions
- A47C27/081—Fluid mattresses or cushions of pneumatic type
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/08—Fluid mattresses or cushions
- A47C27/081—Fluid mattresses or cushions of pneumatic type
- A47C27/082—Fluid mattresses or cushions of pneumatic type with non-manual inflation, e.g. with electric pumps
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- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S5/00—Beds
- Y10S5/91—Beds with suction means
Definitions
- This invention has reference to inflatable supporting members for the human body such as mattresses, pillows and cushions, particularly inflatable hospital mattresses, and has for its primary object to provide a construction wherein different pressures may be given to various parts of the supporting member whereby the load-bearing area can be divided into separate sections capable of independent adjustment as to degree of softness to suit individual requirements. Invalids who are forced to lie in bed for long periods, and who are unable to move easily from one position to another, sufler considerable discomfort, and by means of the invention the pressures at selected areas of the mattress may be relieved or increased to minimize this discomfort. The same considerations apply to smaller body or body-part supports such as pillows, or cushions for limbs.
- an inflatable supporting member for the human body (particularly a mattress) is made of flexible airtight material and is divided interiorly by airtight webs extending between its upper and lower walls into a plurality of individually inflatable compartments, each compartment being provided with a pair of separate tubes respectively for inflation and deflation.
- FIGURE 1 is a perspective view of a mattress according to the invention.
- FIGURE 2 is a perspective view of a pillow according to the invention, also shown in position (dot-and-dash) lines) in FIGURE 1;
- FIGURE 3 is an enlarged fragmentary view of the side of the mattress so as to show more clearly the arrangement of air tubes;
- FIGURE 4 is a perspective view of an inflation and deflation control box used in conjunction with the mattress seen in FIGURE 1;
- FIGURE 5 is a sectional detail to an enlarged scale showing one way in which the control buttons, which appears in FIGURE 4, operate to strangle the flow of air through the respective air tubes.
- a mattress of oblong form and requisite size is constructed of an airtight plastics material with a top 1 spaced from a similar bottom, sides 2 and ends 3. It is divided interioraly into a suitable number, e.g. nine, compartments 4. These compartments 4 are of box-like form made by airtight Webs 5 extending between the top wall 1 and bottom wall of the mattress, and in criss-cross disposition. It is advantageous to make the three compartments which lie in the transverse middle somewhat longer than the others.
- Each compartment is capable of being individually inflated and deflated, and for this purpose is connected by air tubes 6, 6a or other suitable ducts to a device such as a combined air compressor and vacuum pump, the tubes 6 communicating with the compressor and the tubes 6a to the pump.
- the tubes are neatly bundled together and fixed to the mattress along one side 2, and led through the side wall to their various compartments (as shown for example by the broken lines in the three compartments at the foot of the mattress in FIGURE 1).
- the compressor/pump is not shown, and is remotely controlled by a means capable of easy use by a person using the mattress, and the remote control means is so designed as to permit each compartment of the mattress to be inflated or deflated to any degree required by the occupant of the mattress.
- control device such as the control box 9 shown in FIGURE 4 includes a panel 8 having two sets of operating buttons 7 and 7a in pairs corresponding to the mattress compartments, one set being for inflation and the other for deflation.
- the sets are advantageously distinguished by shape so that they may be selected by the sense of touch, e.g. round buttons 7 for inflation and square buttons 7a for deflation, the buttons operating switches for electrically starting the pump, and opening respective valves in the air ducts, or, as illustrated in FIGURE 5, they may be screws, preferably quick thread, for strangling or opening the tubes 6, 6a in the interior of the control box 9.
- the latter would have main pressure and exhaust chambers constituting manifolds for feeding the respective tubes, and such manifolds would be connected to the compressor/ pump by the tubes 10, 10a.
- the air tubes or the like from the compartments terminate in inflation valves for manual inflation or deflation by a nurse or other attendant.
- a smaller inflatable supporting member may be constructed as a cushion of appropriate shape, e.g. an elongated cushion with a reduced number of individually inflatable and deflatable compartments, and, as illustrated in FIGURES 1 and 2 a pillow could equally Well be divided into compartments capable of individual inflation and deflation.
- the pillow could be attachable to the mattress by complemental press stud parts 11.
- a mattress for supporting a body comprising an airtight envelope having an upper wall and a lower wall united by a peripheral wall, the walls being of flexible impervious material, internal transverse webs of flexible impervious material extending between, and joined in an airtight manner to, the Walls to divide the interior of the mattress into a plurality of isolated compartments, a plurality of pairs of flexible tubes grouped together and secured to the exterior of the peripheral wall, the number of pairs corresponding to the number of compartments and extending in an air-tight manner through the flexible impervious material to open at their inner ends into the compartments with one pair opening into each compartment, each pair of tubes comprising an inflating tube and a deflating tube, the outer ends of the inflating tubes and deflating tubes being coupled, by a control box, to a common main air pressure inlet tube and a common air extraction tube respectively, and manually operable means on the control box for selectively opening and closing the passage betwen each inflating and deflating tube and the respective air inlet and air extraction
Description
Feb. 14, 1967 G. INGRAM INFLATABLE MATTRESSES, PILLOWS AND CUSHIONS Filed Sept. 8, 1964 Milt/Wok 66 E612 INGRAM United States Patent Gfliee 3,303,518 Patented Feb. 14, 1967 3,303,518 INFLATABLE MATTRESSES, PHLOWS AND CUSHIONS George Ingram, 803 Raleigh House, London, England Filed Sept. 8, 1964, Ser. No. 394,866 1 Claim. (Cl. 349) This invention has reference to inflatable supporting members for the human body such as mattresses, pillows and cushions, particularly inflatable hospital mattresses, and has for its primary object to provide a construction wherein different pressures may be given to various parts of the supporting member whereby the load-bearing area can be divided into separate sections capable of independent adjustment as to degree of softness to suit individual requirements. Invalids who are forced to lie in bed for long periods, and who are unable to move easily from one position to another, sufler considerable discomfort, and by means of the invention the pressures at selected areas of the mattress may be relieved or increased to minimize this discomfort. The same considerations apply to smaller body or body-part supports such as pillows, or cushions for limbs.
According to the said invention an inflatable supporting member for the human body (particularly a mattress) is made of flexible airtight material and is divided interiorly by airtight webs extending between its upper and lower walls into a plurality of individually inflatable compartments, each compartment being provided with a pair of separate tubes respectively for inflation and deflation.
In order that the said invention may be readily understood some embodiments thereof will be described, by way of example, with the aid of the accompanying drawings wherein:
FIGURE 1 is a perspective view of a mattress according to the invention;
FIGURE 2 is a perspective view of a pillow according to the invention, also shown in position (dot-and-dash) lines) in FIGURE 1;
FIGURE 3 is an enlarged fragmentary view of the side of the mattress so as to show more clearly the arrangement of air tubes;
FIGURE 4 is a perspective view of an inflation and deflation control box used in conjunction with the mattress seen in FIGURE 1; and
FIGURE 5 is a sectional detail to an enlarged scale showing one way in which the control buttons, which appears in FIGURE 4, operate to strangle the flow of air through the respective air tubes.
Referring to FIGURE 1 a mattress of oblong form and requisite size is constructed of an airtight plastics material with a top 1 spaced from a similar bottom, sides 2 and ends 3. It is divided interioraly into a suitable number, e.g. nine, compartments 4. These compartments 4 are of box-like form made by airtight Webs 5 extending between the top wall 1 and bottom wall of the mattress, and in criss-cross disposition. It is advantageous to make the three compartments which lie in the transverse middle somewhat longer than the others. Each compartment is capable of being individually inflated and deflated, and for this purpose is connected by air tubes 6, 6a or other suitable ducts to a device such as a combined air compressor and vacuum pump, the tubes 6 communicating with the compressor and the tubes 6a to the pump. The tubes are neatly bundled together and fixed to the mattress along one side 2, and led through the side wall to their various compartments (as shown for example by the broken lines in the three compartments at the foot of the mattress in FIGURE 1). i
The compressor/pump is not shown, and is remotely controlled by a means capable of easy use by a person using the mattress, and the remote control means is so designed as to permit each compartment of the mattress to be inflated or deflated to any degree required by the occupant of the mattress.
Thus the control device such as the control box 9 shown in FIGURE 4 includes a panel 8 having two sets of operating buttons 7 and 7a in pairs corresponding to the mattress compartments, one set being for inflation and the other for deflation. The sets are advantageously distinguished by shape so that they may be selected by the sense of touch, e.g. round buttons 7 for inflation and square buttons 7a for deflation, the buttons operating switches for electrically starting the pump, and opening respective valves in the air ducts, or, as illustrated in FIGURE 5, they may be screws, preferably quick thread, for strangling or opening the tubes 6, 6a in the interior of the control box 9. The latter would have main pressure and exhaust chambers constituting manifolds for feeding the respective tubes, and such manifolds would be connected to the compressor/ pump by the tubes 10, 10a.
In a simple form the air tubes or the like from the compartments terminate in inflation valves for manual inflation or deflation by a nurse or other attendant.
It will be seen that in a mattress according to the invention it will be a simple matter to adjust the mattress to the requirements of the occupants body at any given point.
In the case of particular sensitivity of a part of the body, it will be possible by deflating almost completely an appropriate compartment, to remove altogether bodily contact with the mattress and allow the part to bridge itself between inflated compartments.
In cases where only a limb is to be served by the invention, a smaller inflatable supporting member may be constructed as a cushion of appropriate shape, e.g. an elongated cushion with a reduced number of individually inflatable and deflatable compartments, and, as illustrated in FIGURES 1 and 2 a pillow could equally Well be divided into compartments capable of individual inflation and deflation. The pillow could be attachable to the mattress by complemental press stud parts 11.
I claim:
A mattress for supporting a body, comprising an airtight envelope having an upper wall and a lower wall united by a peripheral wall, the walls being of flexible impervious material, internal transverse webs of flexible impervious material extending between, and joined in an airtight manner to, the Walls to divide the interior of the mattress into a plurality of isolated compartments, a plurality of pairs of flexible tubes grouped together and secured to the exterior of the peripheral wall, the number of pairs corresponding to the number of compartments and extending in an air-tight manner through the flexible impervious material to open at their inner ends into the compartments with one pair opening into each compartment, each pair of tubes comprising an inflating tube and a deflating tube, the outer ends of the inflating tubes and deflating tubes being coupled, by a control box, to a common main air pressure inlet tube and a common air extraction tube respectively, and manually operable means on the control box for selectively opening and closing the passage betwen each inflating and deflating tube and the respective air inlet and air extraction tube.
References Cited by the Examiner UNITED STATES PATENTS 2,814,053 11/1957 Sevcik 5-348 2,998,817 9/1961 Armstrong 128-33 3,209,719 10/ 1965 Christopher 5-349 X FRANK B. SHERRY, Primary Examiner.
A. CALVERT, Assistant Examiner.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8366/62A GB969367A (en) | 1962-03-05 | 1962-03-05 | Improvements in inflatable mattresses, pillows and cushions |
FR987397A FR1406944A (en) | 1962-03-05 | 1964-09-08 | Inflatable support for human body, such as air mattress |
US394866A US3303518A (en) | 1962-03-05 | 1964-09-08 | Inflatable mattresses, pillows and cushions |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8366/62A GB969367A (en) | 1962-03-05 | 1962-03-05 | Improvements in inflatable mattresses, pillows and cushions |
FR987397A FR1406944A (en) | 1962-03-05 | 1964-09-08 | Inflatable support for human body, such as air mattress |
US394866A US3303518A (en) | 1962-03-05 | 1964-09-08 | Inflatable mattresses, pillows and cushions |
Publications (1)
Publication Number | Publication Date |
---|---|
US3303518A true US3303518A (en) | 1967-02-14 |
Family
ID=45932746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US394866A Expired - Lifetime US3303518A (en) | 1962-03-05 | 1964-09-08 | Inflatable mattresses, pillows and cushions |
Country Status (3)
Country | Link |
---|---|
US (1) | US3303518A (en) |
FR (1) | FR1406944A (en) |
GB (1) | GB969367A (en) |
Cited By (82)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3394415A (en) * | 1966-04-06 | 1968-07-30 | Buster A. Parker | Pressure pad with independent cells |
US3426373A (en) * | 1965-10-18 | 1969-02-11 | James H S Scott | Inflatable mattresses |
US3479087A (en) * | 1967-08-28 | 1969-11-18 | Wilbur A Burke | Pneumatic powered seat erector for an invalid |
US3667075A (en) * | 1970-02-24 | 1972-06-06 | Wesley D Ballard | Mattress spring bellows assembly as for hospitals, and the like |
US3705429A (en) * | 1969-01-09 | 1972-12-12 | Walter P Nail | Inflatable load supporting structures |
US3802004A (en) * | 1971-12-29 | 1974-04-09 | J Whitney | Fluid containing mattress |
US3822425A (en) * | 1971-07-09 | 1974-07-09 | J Scales | Inflatable support appliance |
US3905058A (en) * | 1972-08-11 | 1975-09-16 | Universal Oil Prod Co | Back supports |
US3909858A (en) * | 1972-07-21 | 1975-10-07 | Watkins & Watson Ltd | Support appliances |
US4258706A (en) * | 1978-11-17 | 1981-03-31 | Shank Donald C | Muscle-relaxing reclining chair |
US4394784A (en) * | 1981-07-08 | 1983-07-26 | Dial-A-Firm International, Inc. | Air bed with firmness control |
US4617690A (en) * | 1985-01-07 | 1986-10-21 | Whittaker Corporation | Inflatable bed patient mattress |
EP0213332A2 (en) * | 1985-08-29 | 1987-03-11 | hülsta-werke Hüls GmbH & Co KG | Control box for the air tubes of a supporting device |
US4679264A (en) * | 1985-05-06 | 1987-07-14 | Mollura Carlos A | Airbed mattress including a regulated, controllable air reservoir therefor |
US4737999A (en) * | 1987-02-02 | 1988-04-19 | Jabiru Incorporated | Maternity mattress |
US4745647A (en) * | 1985-12-30 | 1988-05-24 | Ssi Medical Services, Inc. | Patient support structure |
US4766628A (en) * | 1986-01-21 | 1988-08-30 | Walker Robert A | Air mattress with filler check valve and cap therefor |
US4768249A (en) * | 1985-12-30 | 1988-09-06 | Ssi Medical Services, Inc. | Patient support structure |
US4788729A (en) * | 1985-04-14 | 1988-12-06 | Walker Robert A | Air mattress with audible pressure relief valve |
US4829616A (en) * | 1985-10-25 | 1989-05-16 | Walker Robert A | Air control system for air bed |
US4896389A (en) * | 1988-06-10 | 1990-01-30 | S.S.I. Medical Services Of Canada Inc. | Inflatable air mattress |
US4897890A (en) * | 1983-01-05 | 1990-02-06 | Walker Robert A | Air control system for air bed |
US4915124A (en) * | 1988-03-30 | 1990-04-10 | Jasco Products, Inc. | Bladder pressure control system and method |
US4949413A (en) * | 1985-12-30 | 1990-08-21 | Ssi Medical Services, Inc. | Low air loss bed |
US4995124A (en) * | 1988-10-20 | 1991-02-26 | Sustena, Inc. | Constant pressure load bearing air chamber |
US5051673A (en) * | 1985-12-30 | 1991-09-24 | Goodwin Vernon L | Patient support structure |
US5070559A (en) * | 1991-01-08 | 1991-12-10 | New Era Marketing, Ltd. | Adjustable spinal support |
US5072468A (en) * | 1991-01-22 | 1991-12-17 | Biologics, Inc. | Flotation therapy bed for preventing decubitus ulcers |
US5103519A (en) * | 1988-05-09 | 1992-04-14 | Hasty Charles E | Air support bed with patient movement overlay |
US5105488A (en) * | 1990-04-18 | 1992-04-21 | Simmons Company | Bedding configuration having variable support characteristics |
US5113539A (en) * | 1991-07-31 | 1992-05-19 | Strell Brian M | Adjustable firmness coil spring mattress with inflatable tubes |
US5152021A (en) * | 1984-12-17 | 1992-10-06 | Kinetic Concepts, Inc. | Low air loss bag for patient support system |
US5168589A (en) * | 1989-04-17 | 1992-12-08 | Kinetic Concepts, Inc. | Pressure reduction air mattress and overlay |
US5425147A (en) * | 1994-07-29 | 1995-06-20 | Supplee; Ronald L. | Adjustable air cushion maternity mattress |
US5487197A (en) * | 1994-08-05 | 1996-01-30 | Iskra, Jr.; Joseph W. | Pneumatic wheelchair cushion |
US5497520A (en) * | 1994-07-11 | 1996-03-12 | Kunz; Richard D. | Inflatable leg and foot support |
US5502855A (en) * | 1990-11-01 | 1996-04-02 | Graebe; Robert H. | Zoned cellular cushion |
US5581828A (en) * | 1994-09-19 | 1996-12-10 | Price Manufacturing, Inc. | Air flotation insert for wooden waterbed frame |
US5603133A (en) * | 1986-09-09 | 1997-02-18 | Kinetic Concepts, Inc. | Apparatus for alternating pressure of a low air loss patient support system |
US5606754A (en) * | 1989-03-09 | 1997-03-04 | Ssi Medical Services, Inc. | Vibratory patient support system |
US5678265A (en) * | 1996-01-11 | 1997-10-21 | Meyer; Kenneth G. | Inflatable cushion |
US5787531A (en) * | 1994-07-08 | 1998-08-04 | Pepe; Michael Francis | Inflatable pad or mattress |
US5802645A (en) * | 1984-12-17 | 1998-09-08 | Kinetic Concepts, Inc. | Low air loss bag for patient support |
US5975629A (en) * | 1996-01-11 | 1999-11-02 | Lorbiecki; James R. | Vehicle seat with inflatable bladder |
US5983429A (en) * | 1994-02-15 | 1999-11-16 | Stacy; Richard B. | Method and apparatus for supporting and for supplying therapy to a patient |
US6295675B1 (en) * | 1997-08-25 | 2001-10-02 | Hill-Rom Services, Inc. | Mattress assembly |
US6367106B1 (en) | 1998-02-20 | 2002-04-09 | Sand Therapeutic, Inc. | Therapeutic support for the reduction of decubitus ulcers |
US20020194678A1 (en) * | 2001-06-22 | 2002-12-26 | Chung Wang Cheng | Inflatable product provided with electric air pump |
US6519797B1 (en) * | 1999-08-10 | 2003-02-18 | Dynamic Contours Llc | Self adjusting, contouring cushioning system |
US6537003B1 (en) | 2000-08-21 | 2003-03-25 | Michael David Rostoker | Load restraint system and method |
US6564410B2 (en) | 2001-01-18 | 2003-05-20 | Roho, Inc. | Valve for zoned cellular cushion |
US6687937B2 (en) | 2000-06-01 | 2004-02-10 | Crown Therapeutics, Inc. | Moisture drying mattress with separate zone controls |
US6687936B2 (en) | 2001-01-18 | 2004-02-10 | Roho, Inc. | Valve for zoned cellular cushion |
US20050028289A1 (en) * | 2002-08-08 | 2005-02-10 | Reza Hakamiun | Mattress |
US6941602B2 (en) | 1999-08-10 | 2005-09-13 | Dynamic Contours, Llc | Self adjusting, contouring cushioning system |
US20050273940A1 (en) * | 2004-04-30 | 2005-12-15 | Robert Petrosenko | Lack of patient movement monitor and method |
US20060026768A1 (en) * | 2004-08-04 | 2006-02-09 | Chambers Kenith W | Hospital bed |
US20060026767A1 (en) * | 2004-08-04 | 2006-02-09 | Chambers Kenith W | Mattress system for a hospital bed |
US20060112489A1 (en) * | 2004-04-30 | 2006-06-01 | Bobey John A | Patient support |
US20060168736A1 (en) * | 2004-04-30 | 2006-08-03 | Meyer Eric R | Pressure relief surface |
US20060191538A1 (en) * | 2001-10-22 | 2006-08-31 | Map Medizin-Technologie Gmbh | Application device for breathing mask arrangement |
US20060252360A1 (en) * | 2005-04-14 | 2006-11-09 | Mitchneck James A | Aircraft cabin pressurization control apparatus |
US20070136949A1 (en) * | 2005-12-19 | 2007-06-21 | Sandy Richards | Patient support having an extendable foot section |
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US20130061399A1 (en) * | 2011-09-12 | 2013-03-14 | Douglas Allen Dewell | Air Mattress Having Only Two Inflate/Deflate Ports For Inflating Four Or Six Separate Bladders |
US8745788B2 (en) | 2005-07-26 | 2014-06-10 | Hill-Rom Services. Inc. | System and method for controlling an air mattress |
US20140202557A1 (en) * | 2013-01-22 | 2014-07-24 | Marian Paulette Bullin | Alternating air pressure relief cushion for a sitting apparatus |
US20140259432A1 (en) * | 2013-03-14 | 2014-09-18 | Kap Medical, Inc. | Patient support apparatus and method |
US8844079B2 (en) | 2005-07-08 | 2014-09-30 | Hill-Rom Services, Inc. | Pressure control for a hospital bed |
US8863338B2 (en) | 2010-06-02 | 2014-10-21 | Touchsensor Technologies, Llc | Therapeutic support device allowing capillary blood flow |
US20140345058A1 (en) * | 2013-05-21 | 2014-11-27 | SEC Medical Development, Inc. | Pressure Monitoring and Management Cushion System And Method Of Use |
US8973186B2 (en) | 2011-12-08 | 2015-03-10 | Hill-Rom Services, Inc. | Optimization of the operation of a patient-support apparatus based on patient response |
US9216122B2 (en) | 2010-10-05 | 2015-12-22 | Touchsensor Technologies, Llc | Support apparatus, system and method |
US20170305308A1 (en) * | 2014-09-01 | 2017-10-26 | Conti Temic Microelectronic Gmbh | Pressure medium distributor, pnuematic adjustment arrangement for a vehicle seat, vehicle seat, and method for producing a pressure medium distributor for a pneumatic adjustment arrangement |
US10555848B2 (en) * | 2017-04-29 | 2020-02-11 | Harikrishan S. Sachdev | Portable cushion and method of use |
US20200121531A1 (en) * | 2003-02-06 | 2020-04-23 | Deka Products Limited Partnership | Dynamic Support Apparatus |
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US11273093B1 (en) | 2019-08-06 | 2022-03-15 | Ensure-A-Seal, Inc. | Deflating rectangular bag with release valve, and method for use to lower a casket into a front- or side-facing subterranean crypt |
US11357683B2 (en) | 2005-07-08 | 2022-06-14 | Hill-Rom Services, Inc. | Foot zone of a mattress |
Families Citing this family (4)
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GB2134382A (en) * | 1983-02-10 | 1984-08-15 | Rodney Lyall | Body support system |
US4895352A (en) * | 1989-01-09 | 1990-01-23 | Simmons Company | Mattress or cushion spring array |
US5594963A (en) * | 1992-08-20 | 1997-01-21 | Kinetic Concepts, Inc. | Pressure relief air mattress and related system |
CH711796A1 (en) * | 2015-11-18 | 2017-05-31 | Lantal Textiles Ag | Pneumatic cushion with pump unit. |
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US2998817A (en) * | 1959-08-07 | 1961-09-05 | Gary Armstrong Stebbins | Inflatable massaging and cooling mattress |
US3209719A (en) * | 1963-03-01 | 1965-10-05 | Eugene J Christopher | Surface propelling system |
-
1962
- 1962-03-05 GB GB8366/62A patent/GB969367A/en not_active Expired
-
1964
- 1964-09-08 US US394866A patent/US3303518A/en not_active Expired - Lifetime
- 1964-09-08 FR FR987397A patent/FR1406944A/en not_active Expired
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US2814053A (en) * | 1954-09-02 | 1957-11-26 | Burton Dixie Corp | Inflatable mattress |
US2998817A (en) * | 1959-08-07 | 1961-09-05 | Gary Armstrong Stebbins | Inflatable massaging and cooling mattress |
US3209719A (en) * | 1963-03-01 | 1965-10-05 | Eugene J Christopher | Surface propelling system |
Cited By (153)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3426373A (en) * | 1965-10-18 | 1969-02-11 | James H S Scott | Inflatable mattresses |
US3394415A (en) * | 1966-04-06 | 1968-07-30 | Buster A. Parker | Pressure pad with independent cells |
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Also Published As
Publication number | Publication date |
---|---|
FR1406944A (en) | 1965-07-23 |
GB969367A (en) | 1964-09-09 |
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