Wound dressing
US4803078A · kind A · utility
30Cited by
2References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 28, 1988 |
| Grant date | Feb 7, 1989 |
| Priority date | — |
| Expiry date | Mar 28, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/00863
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A wound dressing is provided comprising a layer of chitin affixed to a layer of porous, expanded polytetrafluoroethylene (PTFE). The chitin may be laminated to the PTFE or it may penetrate into and be impregnated in the porous PTFE layer. The composite preferably has a pressure sensitive adhesive applied in a dot pattern on its surface to enable application and securing of the dressing over a wound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.