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US 5,445,604 AGranted
Wound dressing with conformable elastomeric wound contact layer
AssigneeSmith and Nephew Associated Companies Limited
InventorStephen M. Lang
Life of this patent
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Abstract
Low adherency wound dressings which comprise a wound facing layer, an intermediate absorbent layer and an outer layer characterized in that the wound facing layer comprises a conformable elastomeric apertured film, the intermediate absorbent layer comprises a conformable hydrophilic foam and the outer layer comprises a continuous moisture vapor transmitting conformable film; materials therefor and processes for the manufacture thereof are described.
Claims12
A conformable low adherency wound dressing which comprises
- (a) a low adherency wound facing layer 0.05 to 2.5 mm thick which is a conformable elastomeric apertured net;
- (b) an absorbent layer comprising a conformable hydrophilic foam 0.5 to 20 mm thick;
- and
- (c) a continuous conformable moisture vapour permeable outer film layer which acts as a bacterial barrier and has a moisture vapour transmission rate of from 300 to 5000 grams/square meter/24 hours at 37.degree. C. at 100% to 10% relative humidity difference, said wound facing layer and said outer layer being laminated to opposing faces of said absorbent layer over the operative area of the dressing.
1 more element
Dependencies are inferred from the claim text.