IP Library › Granted Patent US 12,697,217
Granted Patent B2
US 12,697,217 · App. 18/053,558 · Granted Aug 4, 2026

Device, system, and method for transcatheter treatment of valvular regurgitation

Inventors: Alexander K. Khairkhahan (Palo Alto, CA); Alan R. Klenk (San Jose, CA); Zaya Tun (Livermore, CA); Brett Snyder (Campbell, CA)
Assignee: Polares Medical Inc.
A61F2/2466A61B17/0401A61F2/2427A61F2/2445A61F2/2457A61F2/2463A61B2017/00243A61B2017/003A61B2017/00358A61B2017/00477A61B2017/0464A61B2017/0496A61B2017/0649A61B17/068A61B2090/3966A61F2250/0004
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Quick Facts
Patent No.
US 12,697,217
App. No.
18/053,558
Granted
Aug 4, 2026
Kind
B2
Abstract

The invention relates to a device for use in the transcatheter treatment of mitral valve regurgitation, specifically a coaptation assistance element for implantation across the valve; a system including the coaptation assistance element and anchors for implantation; a system including the coaptation assistance element and delivery catheter; and a method for transcatheter implantation of a coaptation element across a heart valve.

Claims (34)

1 . A coaptation assistance element delivery system for treating mal-coaptation of a heart valve, the heart valve having an annulus, the coaptation assistance element delivery system comprising:

a coaptation assistance element comprising a first surface and an opposed second surface, each surface bounded by a first lateral edge, a second lateral edge, an inferior edge, and a superior edge, the coaptation assistance element comprising a hub;

a secondary anchor tether comprising a first strand, a second strand, and an arc therebetween, the arc positioned under the coaptation assistance element, the first strand and the second strand extending through the coaptation assistance element;

a secondary anchor configured to slide along the first strand and the second strand toward the annulus, wherein the secondary anchor is configured to rotate to engage the annulus, wherein the secondary anchor comprises a window; and

a secondary anchor driver configured to slide along the first strand and the second strand toward the annulus, wherein the secondary anchor driver is configured to rotate the secondary anchor, wherein the secondary anchor driver comprises a locking tab configured to engage the window of the secondary anchor.

2 . The coaptation assistance element delivery system of claim 1 , wherein the locking tab is configured to flex outward into engagement with the window.

3 . The coaptation assistance element delivery system of claim 1 , wherein the locking tab comprise a shape memory or springy material.

4 . The coaptation assistance element delivery system of claim 1 , further comprising a secondary anchor guide rail configured to push the locking tab outward.

5 . The coaptation assistance element delivery system of claim 1 , wherein the secondary anchor driver comprises two locking tabs and the secondary anchor comprises two windows, wherein the two locking tabs are pushed outward into the two windows.

6 . The coaptation assistance element delivery system of claim 1 , further comprising a secondary anchor guide rail configured to maintain the locking tab in an open position to keep the locking tab engaged with the window.

7 . The coaptation assistance element delivery system of claim 1 , further comprising a primary anchor configured to rotate to engage the annulus and further comprising a primary anchor driver configured to rotate the primary anchor.

8 . The coaptation assistance element delivery system of claim 1 , wherein the coaptation assistance element comprises a passageway to facilitate passage of the secondary anchor tether.

9 . The coaptation assistance element delivery system of claim 1 , wherein the secondary anchor driver rotates and translates relative to the coaptation assistance element.

10 . A coaptation assistance element delivery system for treating mal-coaptation of a heart valve, the heart valve having an annulus, the coaptation assistance element delivery system comprising:

a coaptation assistance element comprising a first surface and an opposed second surface, each surface bounded by a first lateral edge, a second lateral edge, an inferior edge, and a superior edge, the coaptation assistance element comprising a hub;

a secondary anchor tether comprising a first strand, a second strand, and an arc therebetween, the arc positioned under the coaptation assistance element, the first strand and the second strand extending through the coaptation assistance element;

a secondary anchor configured to rotate to engage the annulus;

a secondary anchor guide rail comprising a guide rail lumen configured to slide along the first strand and the second strand toward the annulus; and

a secondary anchor driver configured to rotate the secondary anchor comprising a secondary anchor driver lumen configured to slide along the secondary anchor guide rail toward the annulus.

11 . The coaptation assistance element delivery system of claim 10 , wherein the secondary anchor tether is configured to extend through the secondary anchor guide rail, wherein the secondary anchor guide rail is configured to extend through the secondary anchor driver.

12 . The coaptation assistance element delivery system of claim 10 , wherein a radiopaque marker is configured for visual confirmation of an anchoring depth of the secondary anchor.

13 . The coaptation assistance element delivery system of claim 10 , wherein the secondary anchor comprises a first helical portion having a first pitch and a second helical portion having a second, smaller pitch.

14 . The coaptation assistance element delivery system of claim 10 , wherein the secondary anchor tether is configured to form a loop around a release wire.

15 . The coaptation assistance element delivery system of claim 10 , wherein the coaptation assistance element comprises a passageway to facilitate passage of the secondary anchor tether therethrough.

16 . The coaptation assistance element delivery system of claim 10 , further comprising a primary anchor and a primary anchor driver.

17 . A coaptation assistance element delivery system for treating mal-coaptation of a heart valve, the heart valve having an annulus, the coaptation assistance element delivery system comprising:

a coaptation assistance element comprising a first surface and an opposed second surface, each surface bounded by a first lateral edge, a second lateral edge, an inferior edge, and a superior edge, the coaptation assistance element comprising a hub;

a primary anchor comprising a cross-bar, wherein the primary anchor is configured to rotate to engage the annulus;

a primary anchor driver configured to rotate the primary anchor, wherein the primary anchor drive comprises a forked end to engage the cross-bar;

a secondary anchor configured to rotate to engage the annulus; and

a secondary anchor driver configured to rotate the secondary anchor.

18 . The coaptation assistance element delivery system of claim 17 , wherein the secondary anchor driver rotates and translates relative to the coaptation assistance element.

19 . The coaptation assistance element delivery system of claim 17 , further comprising a secondary anchor tether.

20 . The coaptation assistance element delivery system of claim 17 , further comprising a secondary anchor guide rail.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 31, 2023
From: KHAIRKHAHAN, ALEXANDER K.; KLENK, ALAN R.; TUN, ZAYA; SNYDER, BRETT
To: POLARES MEDICAL INC.
Reel/Frame 064441/0389 →
Continuity (5)
Continuation 15931181 · May 13, 2020
Continuation 16129194 · Sep 12, 2018
Continuation In Part 15918988 · Mar 12, 2018
Provisional Application 62470684 · Mar 13, 2017
Related Publication 20230147741A1 · May 11, 2023
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