Bio-effecting medical material and device
US4769013A · kind A · utility
214Cited by
20References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 1986 |
| Grant date | Sep 6, 1988 |
| Priority date | — |
| Expiry date | Jun 4, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/0056
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A medical material comprising a polyurethane complexed with polyvinylpyrrolidone and a bio-effecting agent, such as an anti-bacterial agent, complexed with the polyvinylpyrrolidone. The material is used per se as, for example a foam, and as a coating for medical devices such as, for example, catheters and wound drainage tubes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.