Multilayer liquid absorption and deformation devices

Details Multilayer liquid absorption and deformation devices Multilayer liquid absorption and deformation devices

A - Human Necessities

61

L

A61L 31/14 (2006.01) A61F 2/06 (2006.01) A61L 31/10 (2006.01) A61L 31/12 (2006.01) A61L 31/16 (2006.01) A61L 31/02 (2006.01)

Patent

CA 2275303

A multilayer device comprised of at least one layer of material which is capable of absorbing liquid to thereby increase the volume of the layer, i.e., liquid swellable, and when bound to at least one non- absorbing or lesser absorbing layer of material causes deformation of the device upon liquid absorption.

Dispositif multicouches comprenant au moins une couche de matériau capable d'absorber du liquide de manière à augmenter le volume de cette couche, p. ex. dilatable par contact avec le liquide, et capable lorsqu'il est associé à au moins une couche de matériau non absorbant ou moins absorbant, de provoquer une déformation du dispositif suite à l'absorption d'un liquide.

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