Hydrogel wound dressing for use with suction
US10874556B2 · kind B2 · utility
0Cited by
9References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 9, 2017 |
| Grant date | Dec 29, 2020 |
| Priority date | — |
| Expiry date | Jun 8, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M35/00
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A wound dressing comprising: an air-impermeable backing sheet having an aperture for attachment of a suction element; an air-permeable screen layer on a wound facing side of the backing sheet; and a substantially air-impermeable hydrogel layer extending across a wound facing side of said screen layer and joined in substantially airtight fashion to a periphery of said backing sheet around said screen layer. Also provided is a wound treatment system comprising a wound dressing according to the invention and a source of suction in fluid communication with said aperture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.