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Wraparound orthotic base composite adjustable cushion using same and method of measuring fit of the adjusted cushion to the user's shape

  • US 6,018,832 A
  • Filed: 07/31/1996
  • Issued: 02/01/2000
  • Est. Priority Date: 07/31/1996
  • Status: Expired due to Fees
First Claim
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1. A composite cushion comprisinga) a wraparound orthotic base comprisinga body member having a top surface, a bottom surface, front, back and side edges, the body member having sufficient strength to support a user and sufficient flexibility to conform to the contour of the hips and buttocks of the user to give a larger contact area, lower suspension forces and pressures, and improved pelvic stability and balance,an array of pillars depending from the bottom surface adapted to engage a surface such as a wheelchair seat to support the body member,b) an air pad positioned on the top surface of the base adjacent to the back edge, the air pad comprising a base and upstanding air cells positioned on the pad base, the air cells being flexible,c) a top foam pad shaped to rest on and being sufficiently flexible to conform to the top surface of the body member and having a cutout area at the rear to accommodate the air pad cells whereby the air cells are exposed through the foam pad, the foam pad and the air cells defining a comfortable user supporting surface,d) a cover enclosing the body member, the air cell pad, and the top foam pad,the cover having a low friction top positioned to facilitate movement of the user on and off of the cushion, anda non-skid bottom portion to assist in retaining the cushion on the surface on which it is positioned.

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