Central flow prosthetic cardiac valve
US3938197A · kind A · utility
57Cited by
4References
13Claims
0Family size
Inventor
Key dates
| Filing date | Sep 3, 1974 |
| Grant date | Feb 17, 1976 |
| Priority date | — |
| Expiry date | Sep 3, 1994 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2/2403
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A central flow prosthetic cardiac valve for disposition in the heart and the aorta for controlling the pulsatile flow of blood into and from the heart, having a plurality of valve flaps for positive opening and closing of the valve during pulsatile flow of the blood.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.