Vacuum wound dressing

Details Vacuum wound dressing Vacuum wound dressing

2005-11-04

2011-10-11

Stephens, Jaqueline F (Department: 3761)

Surgery

Means for introducing or removing material from body for...

Treating material applied to or removed from external...

C604S035000, C604S289000, C604S543000, C604S304000

Reexamination Certificate

active

08034037

ABSTRACT:
Provided, in one embodiment, is a vacuum wound dressing for covering a wound bed comprising: a wound contact layer comprising a fibrous blend or fibrous material that forms a cohesive gel when wetted by wound exudate; a source of vacuum situated to be separated from the wound bed by the wound contact layer; and a vacuum sealing layer covering the wound contact layer and adapted to retain relative vacuum in the wound contact layer, wherein (i) the dressing is essentially missing a non-gelling, foam layer in which the source of vacuum is situated or (ii) the vacuum sealing layer comprises as an outer layer a foam layer.

REFERENCES:
patent: 5578661 (1996-11-01), Fox et al.
patent: 5636643 (1997-06-01), Argenta et al.
patent: 5643187 (1997-07-01), Naestoft et al.
patent: 6135116 (2000-10-01), Vogel et al.
patent: 6695823 (2004-02-01), Lina et al.
patent: 6767334 (2004-07-01), Randolph
patent: 1-209072 (1989-08-01), None
patent: WO0061206 (2000-11-01), None
patent: WO03/092755 (2003-11-01), None

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