Bioprosthetic heart valve

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Heart valve – Flexible leaflet

Reexamination Certificate

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Reexamination Certificate

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07422603

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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Japanese Patent Office, Office Action and English translation for corresponding Japanese Application No. 2003-563438, Jan. 22, 2008, 4 pages.

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