Methods and apparatus for endovascularly replacing a patient's heart valve
First Claim
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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.
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Abstract
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.
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Citations
8 Claims
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1. A medical device for placement in the heart, the medical device comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification