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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 6,161,238 A
  • Filed: 08/21/1998
  • Issued: 12/19/2000
  • Est. Priority Date: 07/31/1996
  • Status: Expired due to Fees
First Claim
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1. A method of measuring the conformity of a cushion to the shape of a user, said cushion comprising an orthotic member having a main body portion with a top surface adapted to engage and support a user, a bottom surface, a front edge, a back edge and two opposed side edges, the body portion having sufficient strength to support a user and sufficient flexibility to conform to the hips, buttocks and legs of the user to give a larger contact area, lower suspension forces and pressures, and improved pelvic stability and balance to the user, and an array of pillars depending from the bottom surface to engage a support surface to support the body member and the user seated thereon, the top surface of the orthotic member moving to a relatively flat configuration when load is removed, comprising the steps of positioning said cushion on a memory impression pad, placing a user on the cushion so that the pillars engage and deform the pad, removing the person and cushion to expose the memory pad, and reading the depth of the pillar impressions in the pad to determine the force distribution of the user on the cushion.

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