Surgical dressings
US3978266A · kind A · utility
30Cited by
12References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 13, 1973 |
| Grant date | Aug 31, 1976 |
| Priority date | — |
| Expiry date | Sep 13, 1993 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249981
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A foam material for use especially as a surgical dressing of the formula containing stannous octoate and a chlorofluoromethane and comprised of a polyether based polyurethane having a compressed dense surface which is absorbent to fluids as contrasted with the remaining uncompressed foam which is non-absorbent; the compressed dense surface containing foam cells which have only been partially collapsed as compared to the uncollapsed foam cells of the non-absorbent material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.