Claims
- 1. 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.
- 2. A dressing according to claim 1, in which the conformable elastomeric net comprises an integral net.
- 3. A dressing according to claim 1, in which the conformable elastomeric net has 4 to 40 apertures per cm.
- 4. A dressing according to claim 1, in which the conformable elastomeric net comprises a polyurethane.
- 5. A dressing according to claim 1, in which the continuous conformable layer has a moisture vapour transmission rate of 500 to 2000 grams/square meter/24 hours at 37.degree. C. at 100% to 10% relative humidity difference.
- 6. A dressing according to claim 1, in which the continuous moisture vapour transmitting conformable film layer comprises a polyurethane.
- 7. A dressing according to claim 1, in which the conformable outer film layer comprises a moisture vapour transmitting adhesive layer.
- 8. A dressing according to claim 1, in which the conformable hydrophilic foam is a foam of hydrophilic polymer.
- 9. A dressing according to claim 8, in which the hydrophilic polymer is hydrophilic polyurethane.
- 10. A dressing according to claim 1, in which the hydrophilic foam comprises an open cell foam with a cell size of 50 to 500 microns.
- 11. A dressing according to claim 1, in which the hydrophilic foam comprises an open cell foam in which 30% to 60% of the total area of the cells are membrane openings.
- 12. A sterile dressing according to claim 1, within a bacteria impervious package.
Priority Claims (2)
Number |
Date |
Country |
Kind |
8115742 |
May 1980 |
GBX |
|
8104568 |
Feb 1981 |
GBX |
|
Parent Case Info
The application is a continuation of 07/998,635 filed Dec. 31, 1992 (now abandoned) which is a continuation of 07/882,356 filed May 7, 1992 (now abandoned) which is a continuation of 07/432,808 Oct. 18, 1989 (now abandoned) which is a continuation of 06/791,720 Oct. 25, 1985 (now abandoned) which is a continuation of 06/345,488 Feb. 3, 1982 (now abandoned).
US Referenced Citations (8)
Continuations (5)
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Number |
Date |
Country |
Parent |
998635 |
Dec 1992 |
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Parent |
882356 |
May 1992 |
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Parent |
432808 |
Oct 1989 |
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Parent |
791720 |
Oct 1985 |
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Parent |
345488 |
Feb 1992 |
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