Device and method for reshaping mitral valve annulus

A - Human Necessities – 61 – F

Patent

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A61F 2/24 (2006.01)

Patent

CA 2660892

Devices and methods for reshaping a mitral valve annulus are provided. One preferred device (100) is configured for deployment in the right atrium and is shaped to apply a force along the atrial septum. The device causes the atrial septum to deform and push the anterior leaflet of the mitral valve in a posterior direction for reducing mitral valve regurgitation. Another preferred device (300) is deployed in the left ventricular outflow tract at a location adjacent the aortic valve. The device is expandable for urging the anterior leaflet toward the posterior leaflet. Another preferred device comprises a tether (330) configured to be attached to opposing regions of the mitral valve annulus.

L'invention concerne des dispositifs et des méthodes pour une reformation d'anneau de valve mitrale. Un dispositif préféré de l'invention est configuré pour un déploiement dans l'oreillette droite et est formé pour appliquer une force le long de la cloison auriculaire. Le dispositif de l'invention permet à cette cloison auriculaire de se déformer et de pousser la valvule antérieure de la valve mitrale dans une direction postérieure pour réduire la régurgitation de la valve mitrale. Un autre dispositif préféré de l'invention est déployé dans la voie d'écoulement ventriculaire gauche, à un emplacement adjacent à la valve aortique. Le dispositif peut être déployé pour contraindre la valvule antérieure à se déplacer en direction de la valvule postérieure. Un autre dispositif préféré de l'invention concerne un fil à attacher à deux zones opposées de l'anneau de la valve mitrale.

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