Apparatus and method for cutting a heart valve annulus

Details Apparatus and method for cutting a heart valve annulus Apparatus and method for cutting a heart valve annulus

A - Human Necessities

61

B

A61B 17/32 (2006.01)

Patent

CA 2297653

An apparatus and method are disclosed for cutting a heart valve annulus. The apparatus includes an actuator and a backup plate coupled to the actuator. The apparatus also includes an annulus cutter movably coupled to the actuator. The annulus cutter can thereby oppose and engage the backup plate. The method includes positioning a backup plate proximate heart valve tissue to be removed. An annulus cutter is then positioned proximate the heart valve tissue opposing the backup plate. The annulus cutter is engaged in opposition with the backup plate to cut the heart valve tissue and form a heart valve annulus. The heart valve tissue is then removed.

On décrit un appareil et un procédé pour couper un anneau de valvule cardiaque. L'appareil inclut un actionneur et une plaque d'appui couplée à l'actionneur. L'appareil inclut également un organe de coupe d'anneau couplé de manière mobile à l'actionneur. L'organe de coupe d'anneau peut ainsi s'opposer à la plaque d'appui ou aller à son contact. Le procédé consiste à positionner la plaque d'appui à proximité du tissu de la valvule cardiaque à extraire. Un organe de coupe d'anneau est ainsi positionné à proximité du tissu de la valvule cardiaque faisant face à la plaque d'appui. L'organe de coupe d'anneau est placé en opposition à la plaque d'appui pour couper le tissu de la valvule cardiaque et former un anneau de valvule cardiaque. Le tissu de la valvule cardiaque est ensuite extraite.

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