Absorbent hydrogel particles and use thereof in wound dressings

Details Absorbent hydrogel particles and use thereof in wound dressings Absorbent hydrogel particles and use thereof in wound dressings

A - Human Necessities

61

L

A61L 15/60 (2006.01) A61L 26/00 (2006.01)

Patent

CA 2275396

An absorbent dressing for absorbing exudate from a wound is disclosed. The absorbent dressing contains a plurality of dried absorbent hydrogel particles sealed within a porous container. The porous container is non-adherent to the wound, and the hydrogel particles remained sealed within the container after absorbing the wound exudate. In a preferred embodiment, the particles are dried polyacrylonitrile hydrogel particles, and the porous container is in the form of a sachet bag made from nylon, cotton, polyester, polypropylene and the like.

Pansement absorbant servant à absorber l'exsudat d'une blessure. Ce pansement absorbant contient une pluralité de particules absorbantes déshydratées d'hydrogel scellées dans un réservoir poreux. Ce réservoir poreux n'adhère pas à la blessure et les particules d'hydrogel restent scellées à l'intérieur du réservoir après avoir absorbé l'exsudat de la blessure. Dans un mode de réalisation préféré, ces particules sont des particules déshydratées d'hydrogel de polyacrylonitrile et le réservoir poreux se présente sous la forme d'un sachet fabriqué en nylon, coton, polyester ou polypropylène.

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