Cellulose based heart valve prosthesis
US8017396B2 · kind B2 · utility
9Cited by
9References
12Claims
0Family size
Inventor
Key dates
| Filing date | Feb 23, 2009 |
| Grant date | Sep 13, 2011 |
| Priority date | — |
| Expiry date | Feb 27, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L27/507
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Disclosed are cellulose-based pliable, porous and non-porous prosthesis structures that can be formed to various geometries such as thin films, membranes, hollow tubes, heart valves, including an aortic heart valve. Also disclosed are methods for preparing a cellulose-based porous prosthesis structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.