Hydrogel gauze wound dressing

Details Hydrogel gauze wound dressing Hydrogel gauze wound dressing

1992-04-02

1995-07-04

Prebilic, Paul

Surgery: splint, brace, or bandage

Bandage structure

Skin laceration or wound cover

602 48, 602 58, 602 75, 424443, 523111, A61F 1300

Patent

active

054295890

ABSTRACT:
The present invention provides a wound dressing in the form of a gauze or similar absorbent material having dehydrated hydrogel material impregnated therein for absorbing wound exudate. The dehydrated hydrogel material is formed from an aqueous mixture comprising: (a) from about 0% to about 90% by weight polyhydric alcohol; (b) from about 6% to about 60% by weight aliphatic diisocyanate terminated prepolymer; (c) from about 4% to about 40% by weight polyethylene oxide based polyamine; (d) 0% to about 2% by weight sodium chloride; and (e) the balance water. The present wound dressing is capable of absorbing large amounts of wound exudate without inhibiting the healing of the wound to which it is contacted since it does not adhere to such a wound.

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