Tissue material and process for bioprosthesis
US7189259B2 · kind B2 · utility
135Cited by
38References
5Claims
0Family size
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Key dates
| Filing date | Nov 24, 2003 |
| Grant date | Mar 13, 2007 |
| Priority date | — |
| Expiry date | Aug 16, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S623/909
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A biomaterial useful for bioprostheses such as bioprosthetic heart valves is provided in which the fixed tissue has improved elastic properties. The high elastin-containing biomaterial is further characterized by having anisotropic properties wherein the biological material has a greater stiffness in one direction and a greater elasticity in a cross direction. For instance, the biological material has an elastin content of about 30% by weight. In one embodiment, the biological material is vena cava tissue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.