Bioprosthetic heart valve
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United States of America Patent
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Jul 5, 2011
Grant Date -
Dec 25, 2008
app pub date -
Aug 29, 2008
filing date -
Dec 27, 2001
priority date (Note) -
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Abstract
A trileaflet biological prosthetic heart valve (11, 41) comprising a thin, rigid annular outer frame (25, 43) which supports three elastic, laminated spring inner frames (18, 57) which in turn provide consistent geometric form and structure for attachment of tissue leaflets (15, 71).
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