Rapid assembly concentric mating stent, tissue heart valve with enhanced clamping and tissue exposure
US5489298A · kind A · utility
266Cited by
39References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 1995 |
| Grant date | Feb 6, 1996 |
| Priority date | — |
| Expiry date | Mar 7, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S623/90
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A concentric mating stent tissue heart valve which is capable of being assembled with a variety of tissue sources is provided. The valve comprises at least one piece of tissue clamped between an inner and an outer stent. The outer stent is configured with a plurality of spaced posts extending from a base, wherein the posts are configured with open windows so that at least a portion of the tissue in the assembled valve is exposed through the windows. Several embodiments of the outer stent are disclosed, including where the outer stent comprises a crimped metal wire frame covered with a Dacron tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.