Bioprosthetic heart valve
US7422603B2 · kind B2 · utility
266Cited by
59References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 11, 2005 |
| Grant date | Sep 9, 2008 |
| Priority date | — |
| Expiry date | Aug 5, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2220/0058
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A trileaflet biological prosthetic heart valve (11, 41) comprising a thin, rigid annular outer frame (25, 43) which supports three elastic, laminated spring inner frames (18, 57) which in turn provide consistent geometric form and structure for attachment of tissue leaflets (15, 71).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.