Cardiac valve repair system and methods of use

A method, comprising:

• inserting an anchor delivery catheter into a patient's left atrium;
• advancing a pushrod relative to the anchor delivery catheter, wherein the pushrod and an anchor at a distal end of the pushrod are disposed in the anchor delivery catheter, to extrude a ventricular portion of the anchor through leaflets of a mitral valve to a ventricular side of the mitral valve, wherein the anchor comprises a shape memory material and is transitionable between an elongated configuration when the anchor is positioned inside the anchor delivery catheter and a deployed configuration outside the anchor delivery catheter that comprises a helical structure;
• withdrawing the anchor delivery catheter relative to the pushrod to leave an atrial portion of the anchor on an atrial side of the mitral valve;
• disengaging the anchor from the pushrod;
• and
• expanding a valve implant inside an inner circumference of the anchor such that leaflet tissue is trapped between the valve implant and the anchor.

A method, comprising:

• advancing an anchor delivery catheter transvascularly to an interior of a heart;
• extruding a first portion of an anchor from the anchor delivery catheter between leaflets of a native cardiac valve of the heart and to a first side of the native cardiac valve, wherein the anchor comprises a shape memory material and is transitionable between an elongated configuration when the anchor is positioned inside the anchor delivery catheter and a deployed configuration outside the anchor delivery catheter that comprises a helical structure;
• deploying the anchor at the native cardiac valve such that the first portion of the anchor is on the first side of the native cardiac valve and a second portion of the anchor is on a second side of the native cardiac valve;
• advancing a valve delivery catheter transvascularly to a location inside the anchor;
• expanding a replacement valve carried by the valve delivery catheter from a compressed state to an expanded state inside of the anchor;
• and
• inserting the valve delivery catheter having an inner shaft along a guidewire to the leaflets of the native cardiac valve and causing the leaflets to deflect in a downward direction, and retracting a portion of the valve delivery catheter while the inner shaft remains stationary to expand the replacement valve radially inside of the anchor until the replacement valve interacts with the anchor.

A method, comprising:

• advancing an anchor delivery catheter transvascularly to an interior of a heart, wherein an anchor is held in a straightened configuration inside a lumen of the anchor delivery catheter;
• extruding at least a portion of the anchor from the anchor delivery catheter, between leaflets of a native cardiac valve of the heart, and to a first side of the native cardiac valve, wherein as the at least a portion of the anchor is extruded from the anchor delivery catheter, the anchor begins to transition from the straightened configuration to a deployed configuration outside the anchor delivery catheter that comprises circular turns;
• deploying the anchor at the native cardiac valve such that a first portion of the anchor is on the first side of the native cardiac valve and a second portion of the anchor is on a second side of the native cardiac valve with a third portion of the anchor positioned in a commissural region between the leaflets;
• remodeling an annulus of the native cardiac valve;
• and
• inserting a valve delivery catheter having an inner shaft along a guidewire to the leaflets of the native cardiac valve and causing the leaflets of the native cardiac valve to deflect in a direction toward the first portion of the anchor, and retracting a portion of the valve delivery catheter while the inner shaft remains stationary and expanding a replacement valve disposed over the inner shaft radially until the replacement valve interacts with the anchor.