US 2026/0283792 A1 · PROSTHETIC VALVES INCLUDING FRAMES HAVING LATERAL PROTRUSIONS FOR COMMISSURE ATTACHMENT

Abstract

Prosthetic valves including an annular frame and a valvular structure mounted within the frame, and methods for assembling prosthetic valves. The valvular structure comprises a plurality of leaflets each including commissure tabs on opposing sides of the leaflet that can be paired with a commissure with an adjacent leaflet to form a commissure. The commissure is attached to a commissure support structure of the frame. The commissure support structure includes first and second axially extending struts defining a commissure window. Each of the first and second struts include laterally extending protrusions that extend outwardly relative to the commissure window. Each commissure tab can be attached to one of the struts via a primary suture looped around the lateral protrusions. A secondary suture can encircle the primary sutures and/or a flexible connector can be wrapped around the primary sutures to prevent dislodgement of the primary sutures from the lateral protrusions.

Claims20

Dependent claims

A prosthetic heart valve comprising:

a radially expandable and collapsible annular frame, the frame comprising a plurality of angularly spaced commissure support structures, each of the commissure support structures comprising axially oriented first and second struts, wherein each of the first and second struts comprises at least one laterally extending protrusion;
and
a leaflet assembly comprising a plurality of leaflets each comprising commissures tabs on opposite sides of the leaflet, wherein a first commissure tab of each leaflet is paired with a second commissure tab of an adjacent leaflet to form a commissure, wherein each commissure extends radially between the first and second struts of one of the plurality of commissure support structures, wherein the first commissure tab is connected to the first strut with a first suture wrapped around the at least one protrusion of the first strut and the second commissure tab is connected to the second strut with a second suture wrapped around the at least one protrusion of the second strut.

A method of assembling a prosthetic heart valve, the method comprising:

pairing a first commissure tab of a first leaflet with a second commissure tab of a second, adjacent leaflet;
inserting the paired first and second commissure tabs between first and second axially extending struts of a commissure support structure of an annular frame, the commissure support structure comprising one or more first lateral protrusions extending from the first strut and one or more second lateral protrusions extending from the second strut;
and
coupling the first commissure tab to the one or more first lateral protrusions via a first suture and coupling the second commissure tab to the one or more second lateral protrusions via a second suture.

1 more element

Dependencies are inferred from the claim text.

Prosthetic valves including frames having lateral protrusions for commissure attachment

Life of this patent

Prosthetic valves including frames having lateral protrusions for commissure attachment

Life of this patent

Abstract

Claims20