Retrievable heart valve anchor and method
First Claim
1. An apparatus for endovascularly replacing a heart valve comprising:
- a catheter tube;
an expandable anchor configured to be disposed within the catheter tube for delivery to a vicinity of the heart valve, to be deployed from the catheter tube, to be expanded through application of a radially directed force directed to contact tissue at an anchor site, the expandable anchor comprises posts or arms with interlocking female elements extending from a lip region at a proximal end of the anchor and interlocking male elements extending from a skirt region at a distal end of the anchor which form actuatable locks;
a replacement valve having valve commissures is disposed within a lumen of the expandable anchor, the valve commissures are connected to the male interlocking elements, the replacement valve comprises an annular base, the annular base is connected to the distal end of the anchor, the male interlocking elements include holes that mate with tabs extending into holes in the female interlocking elements;
an inflatable member disposed within the catheter tube and upon deployment is delivered within the lumen of the anchor between a deflated configuration and expanding to an expanded configuration, said inflatable member expands said expandable anchor through application of said radially directed force; and
wherein the anchor can be retrieved back into the catheter tube upon actuation of the actuatable locks.
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Accused Products
Abstract
A method for endovascularly replacing a heart valve of a patient. In some embodiments the method includes the steps of: endovascularly delivering a replacement valve and an expandable anchor in an unexpanded configuration within a catheter to a vicinity of the heart valve; deploying the anchor from the catheter; expanding the anchor to contact tissue at an anchor site; and retrieving the anchor into the catheter. The invention also includes an apparatus for endovascularly replacing a heart valve, including: a catheter; a replacement valve configured to be disposed within the catheter for delivery to a vicinity of the heart valve; and an expandable anchor configured to be disposed within the catheter for delivery to a vicinity of the heart valve, to be deployed from the catheter, to be expanded to contact tissue at an anchor site and to be retrieved back into the catheter after having been expanded.
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Citations
12 Claims
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1. An apparatus for endovascularly replacing a heart valve comprising:
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a catheter tube; an expandable anchor configured to be disposed within the catheter tube for delivery to a vicinity of the heart valve, to be deployed from the catheter tube, to be expanded through application of a radially directed force directed to contact tissue at an anchor site, the expandable anchor comprises posts or arms with interlocking female elements extending from a lip region at a proximal end of the anchor and interlocking male elements extending from a skirt region at a distal end of the anchor which form actuatable locks; a replacement valve having valve commissures is disposed within a lumen of the expandable anchor, the valve commissures are connected to the male interlocking elements, the replacement valve comprises an annular base, the annular base is connected to the distal end of the anchor, the male interlocking elements include holes that mate with tabs extending into holes in the female interlocking elements; an inflatable member disposed within the catheter tube and upon deployment is delivered within the lumen of the anchor between a deflated configuration and expanding to an expanded configuration, said inflatable member expands said expandable anchor through application of said radially directed force; and wherein the anchor can be retrieved back into the catheter tube upon actuation of the actuatable locks. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification