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EP1669005B1 - Matelas pneumatique - Google Patents

Matelas pneumatique Download PDF

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Publication number
EP1669005B1
EP1669005B1 EP05257468A EP05257468A EP1669005B1 EP 1669005 B1 EP1669005 B1 EP 1669005B1 EP 05257468 A EP05257468 A EP 05257468A EP 05257468 A EP05257468 A EP 05257468A EP 1669005 B1 EP1669005 B1 EP 1669005B1
Authority
EP
European Patent Office
Prior art keywords
pad
support cushion
inflatable
lower surfaces
cover
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP05257468A
Other languages
German (de)
English (en)
Other versions
EP1669005A1 (fr
Inventor
Michael Hutson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Speed Plastics Ltd
Original Assignee
Speed Plastics Ltd
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 Speed Plastics Ltd filed Critical Speed Plastics Ltd
Publication of EP1669005A1 publication Critical patent/EP1669005A1/fr
Application granted granted Critical
Publication of EP1669005B1 publication Critical patent/EP1669005B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1043—Cushions specially adapted for wheelchairs
    • 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

Definitions

  • This invention relates to a support cushion particularly for relieving pressure for bed-ridden or chair-bound patents.
  • Support cushions of this kind usually comprise pads of for example foamed or cellular synthetic material, and/or an inflatable air cushion, contained within hard wearing washable covers for example of polyurethane-coated textiles.
  • a problem encountered with prior art cushions or support pads is that air cushions, because they have to be air tight, are not breathable and as they comprise two panels of flexible material joined only by a seam around the periphery of the panels, tend to bulge to form a convex surfaced body rather than a flat surfaced panel suitable for rectangular cushions.
  • a prior art document corresponding to the preamble of appended claim 1 is GB-A-2 228 193 .
  • the invention provides an inflatable pad for a support cushion, the pad comprising an airtight outer membrane providing upper and lower surfaces of the pad, and an array of tubes extending through the pad between said upper and lower surfaces, and providing air passages passing through the pad, characterised in that the tubes are each provided with a flange at each end, each said flange engaging with a respective outer face of the air-tight membrane in contact with the upper and lower surfaces and in that each tube is associated with a respective tension spring which extends between said upper and lower surfaces so that the spring tends to draw the upper and lower surfaces towards each other.
  • Each tube means is associated with a respective tension spring means between said upper and lower surfaces, whereby the spring means tends to draw the upper and lower surfaces towards each other, thereby countering the pressure of air within the pad to prevent bulging of the pad when inflated.
  • the tension spring means may be concentrically disposed about respective tube means.
  • the springs may be welded polyurethane discs.
  • the invention also provides, from a second aspect, a support cushion including an inflatable pad according to the first aspect of the invention as part of the internal structure of the cushion.
  • the support cushion may additionally comprise one or more pads of foamed or expanded plastics material, e.g. polyurethane, and one or more thereof may be shaped to provide a recess or recesses to accommodate the inflatable pad.
  • foamed or expanded plastics material e.g. polyurethane
  • the support cushion may be covered with a cover of polyurethane coated fabric, such as a jersey knit. This may comprise two parts, such as a flat base, and a shallow pouch, which can be separated for removal for washing or replacement.
  • a cover of polyurethane coated fabric such as a jersey knit. This may comprise two parts, such as a flat base, and a shallow pouch, which can be separated for removal for washing or replacement.
  • the cover preferably has a nozzle formed therewith to accommodate an inflation tube for the inflatable cushion.
  • a support cushion 10 which is especially suitable for providing long term support and comfort to bed - and chair - ridden, patients to help to prevent pressure ulcers and facilitate healing of injuries or operation scars, comprises on outer cover consisting of a pouch-shaped upper part 11 with a top, and four side walls, and a square base part 12 which can be joined to and separated from the upper part 11 so that the cover can be removed for washing or replacement.
  • the cushion 10 provides an overall shallow square box shape.
  • the cushion 10 also has a tubular spigot 13 projecting from one face thereof, to accommodate the inflation tube of an inflatable pad within the cushion as described below.
  • the interior of the cushion 10 comprises a lower pad 14 of expanded polyurethane foam, formed with a hollow to accommodate an inflatable pad 15, and an upper cover pad 16 also of polyurethane foam.
  • the inflatable pad 15 has an inflation tube I7 which extends out through the cover via the spigot 13.
  • the inflatable pad is as shown in more detail in figures 3, 4, 4a and 5 .
  • the pad comprises an airtight skin 20, having an upper web providing an upper surface 21 and a lower web providing a lower surface 22.
  • the inflation tube 17 communicates with the interior of the pad 15 for inflation and deflation of the pad.
  • the upper web 21 of the airtight skin 20 provides for a micro climate between the foam pad 16 and the upper part 11 of the outer cover, This assists the circulation of air within the cushion enabled by the use of the foam pads 14 and 16 and the inflatable pad 15.
  • the pad 15 has a plurality of tube means 23 which pass through the pad between the upper and lower surfaces of the pad, so that air can pass through the pad, and the pad be rendered 'bxeathable'.
  • the tube means 23 are arranged in an array of 4 x 4 (sixteen in total) in the embodiment shown, and each consist of a tubular member which is open at each end, and is provided at each end with a respective flange 24 which is sealed e.g. by thermal welding to the skin 20 around the edges of the aperture.
  • the number and distribution thereof may be varied as required by the shape and size of the cushion.
  • the tube means 23 are each surrounded by a respective tension spring 25 In the form of a welded polyurethane disc which acts to bias the respective opposed surfaces 21 and 22 together against the expansive force of air under pressure introduced from the inflation tube 17. This acts to prevent bulging of the pad 15, so that even when fully inflated it can fit within the geometry of the core of the cushion 10.
  • the springs 25 are distributed so that they each are associated with a respirative tube means 23, 20.
  • the cover 11 and 12 of the cushion 10 is a polyurethane coated jersey knit which has good washability properties, and is effectively impervious thereby preventing soiling of the core of the cushion , in particular the polyurethane foarn pads 14, 16 and the inflatable pad 15.
  • a cushion of the kind described, in accordance with the invention provides good support and comfort for bed-ridden or chair bound patents and will help to prevent or limit pressure sores and ulcers when and facilitate the healing of injuries and operation scars, and the cushion will preferably be manufactured to suit specific bedding users and domestic furniture (such as chairs, settees etc as part of the upholstery, and for wheel chairs).

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nursing (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Details Of Garments (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Claims (9)

  1. Un coussinet gonflable pour un coussin de soutien, le coussinet comportant une membrane externe hermétique fournissant des surfaces supérieure et inférieure (21, 22) du coussinet, et un ensemble de tubes (23) s'étendant à travers le coussinet entre lesdites surfaces supérieure et inférieure, et fournissant des passages d'air passant à travers le coussinet, caractérisé en ce que les tubes (23) sont chacun munis d'une bride (24) à chaque extrémité, chaque dite bride entrant en engagement avec une face externe respective de la membrane hermétique en contact avec les surfaces supérieure et inférieure (21, 22) et en ce que chaque tube (23) est associé à un ressort de tension respectif (25) qui s'étend entre lesdites surfaces supérieure et inférieure de sorte que le ressort (25) ait tendance à tirer les surfaces supérieure et inférieure (21, 22) l'une vers l'autre.
  2. Un coussinet selon la revendication 1, où les ressorts sont chacun disposés de façon concentrique autour des moyens de tube respectifs.
  3. Un coussinet selon la revendication 1 ou 2, où les ressorts comportent chacun un disque de polyuréthane soudé.
  4. Un coussin de soutien, caractérisé en ce qu'il comprend un coussinet gonflable selon n'importe laquelle des revendications 1 à 3.
  5. Un coussin de soutien selon la revendication 4, qui comporte de surcroît un ou plusieurs coussinet(s) en matière de mousse plastique ou plastique expansé.
  6. Un coussin de soutien selon la revendication 5, où un ou plusieurs desdits coussinets supplémentaires est/sont profilé(s) pour fournir un creux ou des creux afin de loger le coussinet gonflable.
  7. Un coussin de soutien selon n'importe laquelle des revendications 4 à 6 où le coussin de soutien est recouvert d'une protection d'étoffe enduite de polyuréthane.
  8. Un coussin de soutien selon la revendication 7, où la protection comporte deux parties, une base plate et une poche mince qui peuvent être séparées.
  9. Un coussin de soutien selon la revendication 7 ou 8 où la protection a une buse formée avec elle pour loger un tube gonflable pour le coussin gonflable.
EP05257468A 2004-12-07 2005-12-05 Matelas pneumatique Expired - Lifetime EP1669005B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0426804.1A GB0426804D0 (en) 2004-12-07 2004-12-07 Support cushion and inflatable pad therefor

Publications (2)

Publication Number Publication Date
EP1669005A1 EP1669005A1 (fr) 2006-06-14
EP1669005B1 true EP1669005B1 (fr) 2010-03-31

Family

ID=34073297

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05257468A Expired - Lifetime EP1669005B1 (fr) 2004-12-07 2005-12-05 Matelas pneumatique

Country Status (4)

Country Link
EP (1) EP1669005B1 (fr)
AT (1) ATE462329T1 (fr)
DE (1) DE602005020239D1 (fr)
GB (1) GB0426804D0 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1042440A (fr) * 1951-09-27 1953-11-02 Matelas ou couche pneumatique permettant de recueillir l'urine des malades et des bébés
GB8903613D0 (en) * 1989-02-17 1989-04-05 Caldwell Kenneth Improvements to inflated cushions and mattresses
DE29721150U1 (de) * 1997-11-28 1998-02-12 Chang, Chung Tai, Yung Kang Shih, Tainan Aufblasbares warmes Bett
US6102936A (en) * 1998-07-21 2000-08-15 Augustine Medical, Inc. Inflatable thermal pad with drainage

Also Published As

Publication number Publication date
GB0426804D0 (en) 2005-01-12
DE602005020239D1 (de) 2010-05-12
ATE462329T1 (de) 2010-04-15
EP1669005A1 (fr) 2006-06-14

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