Bioprosthetic heart valve
US7201771B2 · kind B2 · utility
132Cited by
49References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 26, 2002 |
| Grant date | Apr 10, 2007 |
| Priority date | — |
| Expiry date | Sep 16, 2024 |
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.