Bioprosthetic heart valve
US6371983B1 · kind B1 · utility
650Cited by
14References
19Claims
0Family size
Inventor
Key dates
| Filing date | Oct 3, 2000 |
| Grant date | Apr 16, 2002 |
| Priority date | — |
| Expiry date | Oct 3, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2220/0058
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A trileaflet biological prosthetic heart valve comprising a thin, rigid annular outer frame which supports three elastic, laminated spring inner frames which in turn provide consistent geometric form and structure for attachment of tissue leaflets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.