Prosthetic valve
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United States of America Patent
Stats
-
May 27, 1980
Grant Date -
N/A
app pub date -
May 3, 1978
filing date -
May 5, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A prosthetic valve, suitable for use as a mitral valve replacement, has a D-shaped annular seat-forming member and obturating flap, the flap having a major area formed by a rigid sheet of similar D-shape and extent for direct support on the seat when the valve is closed, and a flexible sheet hinge connecting the flap and annular member as a hinge along their straight edge portions. The rigid sheet is preferably scalloped around its free edge, with a flexible skirt being located across the incursions of this shaping, and is also preferably dished inwardly towards the valve.
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