Connection systems for two piece prosthetic heart valve...

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/24 (2006.01)

Patent

CA 2631662

A heart valve assembly includes a prosthesis for receiving a prosthetic valve to replace a preexisting natural or prosthetic heart valve within a biological annulus adjacent a sinus cavity. The prosthesis includes an annular member (18) , a sewing cuff (20) extending radially outwardly from the annular member and a plurality of guide rails (50) extending from the prosthesis. The prosthetic valve includes an annular member, at least one valve and receptacles for receiving the guide rails. Locking tabs (54, 57) positioned on the guide rails engage with locking windows in the receptacles to attach the prosthetic valve with the prosthetic valve .

L~invention concerne un ensemble valve cardiaque comportant une prothèse permettant de recevoir une valve prosthétique afin de remplacer une valve cardiaque préexistante naturelle ou prosthétique dans un annulus biologique adjacent à une cavité sinusale. La prothèse consiste en un membre annulaire (18), un coussinet de suture (20) s'étendant radialement vers l'extérieur depuis le membre annulaire et une pluralité de rails guides (50) qui s'étendent à partir de la prothèse. La valve prosthétique inclut un membre annulaire, au moins une valve et des réceptacles pour recevoir les rails guides. Des onglets verrouillants (54, 57) placés sur les rails guides s~engagent avec des fenêtres verrouillantes dans les réceptacles afin d~attacher la valve prosthétique.

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