Natural tissue heat valve and method of making same

Details Natural tissue heat valve and method of making same Natural tissue heat valve and method of making same

1982-09-28

1984-10-23

Frinks, Ronald L.

A61F 122

Patent

active

044779305

ABSTRACT:
A low profile natural tissue heart valve with a one-piece fabric covering is applied to a stent in a minimum number of steps so that virtually no seams are exposed. The one-piece covering serves also to enclose and mount the sewing ring to avoid separation from the stent. The procedure employed enables use of bovine pericardium united as a single piece to the exterior of the stent and fixed in position in such a way as to avoid prolapsing in use.

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patent: 4084268 (1978-04-01), Ionesco et al.
patent: 4172295 (1979-10-01), Batten

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