Patent ID: 6996864

Claim:
A cushion for a wheelchair, the cushion comprising: a cushion matrix, wherein the cushion a matrix includes a plurality of first cushion members wherein each first cushion member includes an amount of deformable filler material and an enclosure constructed of a flexible, moisture-resistant material that is formed to create an internal volume to accept and surround the filler material; at least one second cushion member wherein the at least one second cushion member includes an amount of a filler material including an encapsulated phase change material, and an enclosure constructed of a flexible, moisture-resistant material that is formed to create an internal volume to accept and surround the amount of filler material; and at least one support rail cushion; and a cushion member carrier, formed of a flexible material, shaped to accept and enclose each first cushion member, each of the at least one second cushion member and the support rail cushion; and a cushion base member.