Methods and devices for delivery of prosthetic heart valves...

Details Methods and devices for delivery of prosthetic heart valves... Methods and devices for delivery of prosthetic heart valves...

A - Human Necessities

61

F

A61F 2/24 (2006.01)

Patent

CA 2643832

Prosthetic valves and their component parts are described, as are prosthetic valve delivery devices and methods for their use. The prosthetic valves are particularly adapted for use in percutaneous aortic valve replacement procedures. The delivery devices are particularly adapted for use in minimally invasive surgical procedures. The preferred delivery device includes a catheter having a deployment mechanism attached to its distal end, and a handle mechanism attached to its proximal end. A plurality of tethers are provided to selectively restrain the valve during deployment. A number of mechanisms for active deployment of partially expanded prosthetic valves are also described.

On décrit des valvules prothétiques et leurs éléments constituants, ainsi que des dispositifs de transport de valvules prothétiques et leurs méthodes d'utilisation. Les valvules prothétiques sont particulièrement indiquées dans des interventions percutanées de remplacement de valvule de l'aorte. Le dispositif de transport préféré comprend un cathéter muni d'un mécanisme de déploiement fixé à son extrémité distale et d'un mécanisme de manoeuvre fixé à son extrémité proximale. Plusieurs câbles d'attache sont mis en AEuvre sélectivement pour retenir la valvule pendant son déploiement. On décrit en outre plusieurs mécanismes servant au déploiement dynamique de valvules prothétiques partiellement sorties.

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