Bioprosthetic heart valve
US7972377B2 · kind B2 · utility
71Cited by
364References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 29, 2008 |
| Grant date | Jul 5, 2011 |
| Priority date | — |
| Expiry date | Oct 30, 2028 |
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.