Modifiable, semi-permeable, wound dressing

Details Modifiable, semi-permeable, wound dressing Modifiable, semi-permeable, wound dressing

1991-04-29

1993-11-23

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Web, sheet or filament bases; compositions of bandages; or...

424443, 424 7802, 602 41, 602 42, 602 52, 428 41, 428 42, 428 43, A61F 1300, A61L 1500

Patent

active

052642186

ABSTRACT:
A dressing for wounds or dermal ulcers. The dressing includes a semi-permeable, transparent polyurethane film and a plurality of concentric polyethylene foam rings or disks. Application of foam rings to a semi-permeable thin film permits modification of the moisture/vapor transmission characteristic of the wound dressing which can be adjusted to suit the wound environment.

REFERENCES:
patent: Re33353 (1990-09-01), Heinecke
patent: 4561435 (1985-12-01), McKnight et al.
patent: 4649909 (1987-03-01), Thompson
patent: 4959251 (1990-09-01), Owens et al.

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