To provide a pressure sore preventing cushion preventing continuous application of pressure to a particular part of a body.
A pressure sore preventing cushion includes an air cell layer which includes a plurality of air cell layers divided into at least four air cell zones, and in which air cells in each of the zones communicate each other, and on the other hand, do not communicate with air cells in an adjacent another zone; an air passage layer which is located under the air cell layer, and which includes a plurality of air passages connected to at least one air cell zone and communicated; a base layer on which the air passage layer and the air cell layer are arranged; and a plurality of air ducts which are arranged in the base layer, whose one end part communicates with the corresponding air passage, whose the other end includes a joint located on the outside of the cushion, and each of the air ducts has a corresponding valve.
YOU YONG
TIAN JIANSHU
LI LE
Daisuke Ando
Kuniyo Miura
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