Methods and apparatus for endovascularly replacing a patient's heart valve

摘要

The present invention provides methods and apparatus for endovascularly replacing a patient's heart valve. The apparatus includes a replacement valve and an anchor having an expandable braid. In some embodiments, the expandable braid is fabricated from a single strand of wire. In some embodiments, the expandable braid comprises at least one turn feature. The anchor and the valve preferably are configured for endovascular delivery and deployment.

主权项

1. A medical device for placement in the heart, the medical device comprising:
an anchor comprising a braided wire, the anchor having a proximal end and a distal end; a plurality of posts, each post defining a slot and a plurality of holes extending therethrough, the posts attached to the distal end of the anchor; a plurality of buckles; and a replacement heart valve, the replacement heart valve comprising a plurality of leaflets, at least a portion of the leaflets extending into the slots; the leaflets being secured to the plurality of posts, the posts being secured to the anchor via suture material extending through the holes thereof; the anchor having an undeployed configuration and a fully deployed configuration, in the undeployed configuration the buckles are separated from the posts and in the fully deployed configuration the buckles are secured to the posts; the buckles being attached to the anchor in the undeployed configuration and the deployed configuration.