Heart valve prosthesis with improved bi-leaflet pivot design
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United States of America Patent
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-
Mar 9, 1993
Issued Date -
N/A
app pub date -
Jun 11, 1992
filing date -
Oct 25, 1989
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A bi-leaflet heart valve having an annular body and a pair of leaflets. The leaflets pivot around improved ears, whose motion is constrained by generally triangular recesses. The triangular recesses have a pivotal vertex in proximity to a centerline of the annular base and on the upstream side of the heart valve. Opposite the pivotal vertex is a slightly concave base. An upstream wall of the recess is convex.
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Family
International Classification(s)
Cited Art Landscape
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