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US 12,311,650 B2Granted
Pressure relief cushion
AssigneeTronjen Medical Technology Inc.
InventorsSzu-Hsien Chen, Ya-Wen Ku, Ren-Shian Wang, Chiu-Fang Chen
Life of this patent
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Abstract
A pressure relief cushion includes an elastic layer which is made from a viscoelastic foam material, an adhesive carrying layer disposed on the elastic layer and including an adhesive portion and a carrier portion for carrying the adhesive portion, a hydrogel layer disposed on the adhesive carrying layer opposite to the elastic layer, and a detachable film disposed on the hydrogel layer opposite to the adhesive carrying layer.
Claims7
A pressure relief cushion, comprising:
- an elastic layer made from a viscoelastic foam material;
- an adhesive carrying layer disposed on said elastic layer and comprising an adhesive portion and a carrier portion for carrying said adhesive portion;
- a hydrogel layer disposed on said adhesive carrying layer opposite to said elastic layer;
- and
- a detachable film disposed on said hydrogel layer opposite to said adhesive carrying layer,
- wherein the pressure relief cushion has a resiliency of less than 10% as measured according to ASTM D3574-17 ball rebound test, said adhesive portion of said adhesive carrying layer being a polyisobutylene rubber hot-melt adhesive.
3 more elements
Dependencies are inferred from the claim text.