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

1997-02-03

1999-11-02

Weiss, John G.

Surgery: splint, brace, or bandage

Bandage structure

Skin laceration or wound cover

602 41, 602 79, 602 56, 128156, A61F 1300

Patent

active

059774282

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.

REFERENCES:
patent: 4664662 (1987-05-01), Webster
patent: 4909244 (1990-03-01), Quanfoot et al.
patent: 4943618 (1990-07-01), Stoz et al.
Westerhof et al., "Cleaning of chronic recalcitrant wounds with polysaccharide pads," Phlebol 23(5): 156-160, 1994.
Szycher et al., "Modern Wound Dressings: A Systematic Approach to Wound Healing," J. Biomater. Appl. 7: 142-213, 1992.

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