Bioprosthetic heart valve
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United States of America Patent
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Apr 16, 2002
Grant Date -
N/A
app pub date -
Oct 3, 2000
filing date -
Oct 4, 1999
priority date (Note) -
In Force
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Abstract
A trileaflet biological prosthetic heart valve comprising a thin, rigid annular outer frame which supports three elastic, laminated spring inner frames which in turn provide consistent geometric form and structure for attachment of tissue leaflets.
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