Vacuum wound dressing
US9381283B2 · kind B2 · utility
94Cited by
10References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 2011 |
| Grant date | Jul 5, 2016 |
| Priority date | — |
| Expiry date | Sep 9, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M1/92
- WIPO fieldMedical technology
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.