Absorbent hydrogel particles and use thereof in wound dressings
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United States of America Patent
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Nov 2, 1999
Grant Date -
N/A
app pub date -
Feb 3, 1997
filing date -
Dec 20, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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.
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