| 摘要 |
The artificial heart valve is comprised of a flexible frame consisting of a valve ring (1) and posts (2) extending from the ring and defining some recesses, said ring having the shape of a shell; voiles (4) for opening and closing the valve are fixed to said frame and project beyond the apex of said posts (2); a calf heart sac coating applied to said frame with a thickness from 16 to 22 mm; and a ring for fixing the valve to the heart tissues of the patient. The valve of the invention is useful as substituent for failing or dysfunctional human valves. |
