Tri-cuspid three-tissue prosthetic heart valve
US4172295A · kind A · utility
205Cited by
2References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 27, 1978 |
| Grant date | Oct 30, 1979 |
| Priority date | — |
| Expiry date | Jan 27, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S623/90
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
This invention relates to improvements in a tri-cuspid tissue prosthetic heart valve having a valve body with sewing holes provided at each interval between the cusps of the valve, which improvements are realized by the formation of the tissue from three pieces joined together at seams disposed along the intervals between the cusps of the valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.