Apparatus and method for pressure management

A - Human Necessities – 61 – G

Patent

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A61G 7/057 (2006.01) A61H 7/00 (2006.01)

Patent

CA 2378617

An apparatus and method for alleviating excessive pressure development on a body area are provided. The apparatus is preferably embodied in a cushion (10), and includes a bottom surface (12) and a top surface (14) which is spaced from the bottom surface and has a plurality of channels formed therethrough. A compressible inner layer (16) is disposed between the top and bottom surfaces, and a plurality of elongate, inflexible members (22) are supported by the inner layer (16) and are disposed at least partially within the channels (20). The members (22) have first ends (24) that extend at least partially through the channels (20) and project beyond the top surface (14), where the members are located at a neutral position in the absence of pressure. In operation, pressure applied to the first ends (24) causes the membranes (22) to be displaced axially along the channels (20) away from the neutral position and toward the bottom surface (12) without deformation. Therefore, applied pressure produced by contact with a body area creates a plurality of point pressures on the body area.

L'invention concerne un dispositif et un procédé de soulagement d'une pression excessive dans une zone du corps. Le dispositif se présente de préférence sous la forme d'un coussinet (10) et comprend une surface inférieure (12) et une surface supérieure (14) qui est espacée de la surface inférieure (12) et comporte plusieurs conduits. Une couche intérieure (16) compressible est disposée entre les surfaces supérieure et inférieure et plusieurs éléments (22) allongés rigides se trouvent sur la couche intérieure (16) et sont disposés au moins en partie à l'intérieur des conduits (20). Les éléments (22) possèdent des premières extrémités (24) s'étendant au moins en partie dans les conduits (20) et se projetant au-delà de la surface supérieure (14), les éléments se logeant dans ces premières extrémités dans une position neutre, en l'absence de pression. A l'usage, la pression appliquée sur les premières extrémités (24) provoque le déplacement axial des éléments (22) le long des conduits (20), loin de la position neutre et vers la surface inférieure (12), sans déformation. Ainsi, l'application d'une pression par contact avec la zone du corps crée plusieurs points de pression dans la zone du corps.

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