Mitral valve docking devices, systems and methods
First Claim
Patent Images
1. A system comprising:
- a heart valve prosthesis that is radially expandable;
a helical anchor for docking the heart valve prosthesis, the helical anchor adapted to be held in a coil guide catheter in a straightened configuration and delivered from the coil guide catheter, and comprising;
a plurality of coils having a preformed, coiled configuration after being delivered from the coil guide catheter and adapted to support the heart valve prosthesis upon being fully delivered from the coil guide catheter and implanted with respective coil portions above and below a native heart valve annulus of a native heart valve, wherein the plurality of coils include at least one upper coil and a plurality of lower coils, wherein the at least one upper coil is adapted to be placed above the native heart valve annulus and wherein the plurality of lower coils are configured to encircle heart valve leaflets of the native heart valve and configured such that, when the heart valve prosthesis is docked within the helical anchor, the heart valve leaflets of the native heart are secured between the helical anchor and the heart valve prosthesis and the helical anchor is locked in place relative to the heart valve leaflets, wherein the at least one upper coil is larger than the plurality of lower coils, and further comprising a gap between the at least one upper coil and an adjacent coil, the gap large enough to span the native annulus upon implantation.
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Accused Products
Abstract
Various systems, devices and methods associated with the placement of a dock or anchor (72) for a prosthetic mitral valve (120). The anchor (72) may take the form of a helical anchor having multiple coils (104, 108) and/or a stent-like structure. Various methods include different levels of minimal invasive procedures for delivering the prosthetic valve anchor (72) and prosthetic valve (120), as well as tissue anchors for plication or other purposes to the mitral valve position in the heart (14).
175 Citations
33 Claims
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1. A system comprising:
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a heart valve prosthesis that is radially expandable; a helical anchor for docking the heart valve prosthesis, the helical anchor adapted to be held in a coil guide catheter in a straightened configuration and delivered from the coil guide catheter, and comprising; a plurality of coils having a preformed, coiled configuration after being delivered from the coil guide catheter and adapted to support the heart valve prosthesis upon being fully delivered from the coil guide catheter and implanted with respective coil portions above and below a native heart valve annulus of a native heart valve, wherein the plurality of coils include at least one upper coil and a plurality of lower coils, wherein the at least one upper coil is adapted to be placed above the native heart valve annulus and wherein the plurality of lower coils are configured to encircle heart valve leaflets of the native heart valve and configured such that, when the heart valve prosthesis is docked within the helical anchor, the heart valve leaflets of the native heart are secured between the helical anchor and the heart valve prosthesis and the helical anchor is locked in place relative to the heart valve leaflets, wherein the at least one upper coil is larger than the plurality of lower coils, and further comprising a gap between the at least one upper coil and an adjacent coil, the gap large enough to span the native annulus upon implantation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A system comprising:
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a heart valve prosthesis that is radially expandable; a helical anchor for docking the heart valve prosthesis, the helical anchor adapted to be held in a coil guide catheter in a straightened configuration and delivered from the coil guide catheter, and comprising; a plurality of coils having a preformed, coiled configuration after being delivered from the coil guide catheter and adapted to support the heart valve prosthesis upon being fully delivered from the coil guide catheter and implanted in a native heart valve, wherein the plurality of coils include an upper coil and a plurality of lower coils, wherein a length of the upper coil is configured to extend from the native heart valve and contact an atrial wall, wherein the upper coil is configured to be placed above a native heart valve annulus of the native heart valve in contact with the atrial wall, and wherein the plurality of lower coils is adapted to be placed below the native heart valve annulus such that the plurality of lower coils encircle native leaflets of the native heart valve and, when the heart valve prosthesis is docked within the plurality of lower coils, the native leaflets are secured between the plurality of lower coils and the heart valve prosthesis, wherein the upper coil has a larger diameter than each of the plurality of lower coils. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33)
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Specification