Apparatus and methods for heart valve replacement

A - Human Necessities – 61 – F

Patent

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A61F 2/06 (2006.01)

Patent

CA 2550509

Apparatus (10) for protecting a patient against embolization during endovascular replacementduring endvascular replacement of the patient's heart valve is provided, the apparatus including a replacement valve (20) configured for endovascular delivery and deployment, and an embolic filter configured for disposal downstream of the replacement valve (20) during deployment of the valve. Apparatus including a delivery catheter having an expandable replacement valve (20) disposed therein, and an embolic filter advanceable along the delivery catheter for diverting emboli released during endovascular deployment of the replacement valve (20) is also provided. Furthermore, methods for protecting a patient against embolization during endovascular replacement of the patient's heart valve are provided, the methods including the steps of endovascularly deploying an embolic filter downstream of the heart valve, and endovascularly deploying the replacement valve.

L'invention concerne un appareil (10) de protection d'un patient contre une embolisation au cours du remplacement endovasculaire de la valvule cardiaque de celui-ci. L'appareil comprend une valvule de remplacement (20) conçue pour une administration et un déploiement endovasculaires et un filtre embolique conçu pour être disposé en aval de la valvule de remplacement (20) au cours du déploiement de la valvule. L'appareil comprend un cathéter d'administration présentant une valvule de remplacement extensible (20) disposée dans celui-ci et un filtre embolique pouvant être avancé le long dudit cathéter, aux fins de diversion de l'embolie libérée pendant le déploiement endovasculaire de la valvule de remplacement (20). De plus, l'invention concerne des procédés de protection d'un patient contre une embolisation au cours du remplacement endovasculaire de la valvule cardiaque du patient. Les procédés comprennent les étapes consistant à déployer par voie endovasculaire un filtre embolique en aval de la valvule cardiaque et à déployer par voie endovasculaire la valvule de remplacement.

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