IP Library › Granted Patent US 12,636,153
Granted Patent B2
US 12,636,153 · App. 18/322,349 · Granted May 26, 2026

Leaflet capture and anchor deployment system

Inventors: Trung Ho Pham (Santa Rosa, CA); Gordon B. Bishop (Santa Rosa, CA); Erik Griswold (Penngrove, CA); Stephen McDaniel (San Rafael, CA); Cameron Paul Purcell (Santa Rosa, CA)
Assignee: PIPELINE MEDICAL TECHNOLOGIES, INC.
A61F2/2457A61B17/0401A61B17/0469A61F2/2466A61B2017/00243A61B2017/00783A61B2017/0406A61B2017/0409A61B2017/0441A61B2017/0464A61B17/0467A61B17/0487A61B2017/0488A61B2017/06052A61F2220/0016A61F2220/0075A61F2230/0091
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Quick Facts
Patent No.
US 12,636,153
App. No.
18/322,349
Granted
May 26, 2026
Kind
B2
Abstract

Methods and devices for transvascular prosthetic chordae tendinea implantation are disclosed. A catheter is advanced into the left atrium. From an atrium side, a leaflet connector carried by a distal end of the catheter can be anchored to a superior surface of a mitral valve leaflet. A needle is axially advanceable through the leaflet connector and through the leaflet. A leaflet anchor having a leaflet suture can be advanced out of the needle to secure the mitral valve leaflet to the leaflet suture. A ventricular anchor is anchored to the wall of the ventricle to secure the ventricular wall to a ventricle suture. The leaflet suture and the ventricle suture may be tensioned and connected by a suture lock to form an artificial chordae.

Claims (9)

1 . A method of engaging a mitral valve leaflet, comprising:

positioning a distal end of an elongate flexible tubular body at a target site on a surface of the mitral valve leaflet;

engaging the mitral valve leaflet with a leaflet connector located at the distal end of the elongate flexible tubular body;

stabilizing the mitral valve leaflet; and

piercing the mitral valve leaflet.

2 . The method of claim 1 , wherein a deployment needle is advanceable through a central lumen of the elongate flexible tubular body.

3 . The method of claim 2 further comprising engaging the deployment needle with the mitral valve leaflet to stabilize the leaflet connector at the target site.

4 . The method of claim 3 further comprising advancing the deployment needle through the central lumen and through the mitral valve leaflet so that a needle tip of the deployment needle exits a ventricular side of the mitral valve leaflet.

5 . The method of claim 1 , wherein stabilizing the mitral valve leaflet includes capturing the mitral valve leaflet with the leaflet connector.

Continuity (8)
Continuation 16880739 · May 21, 2020
Continuation 16509230 · Jul 11, 2019
Continuation 16297422 · Mar 8, 2019
Continuation In Part 15858671 · Dec 29, 2017
Continuation In Part 15638176 · Jun 29, 2017
Provisional Application 62641612 · Mar 12, 2018
Provisional Application 62441031 · Dec 30, 2016
Related Publication 20230404756A1 · Dec 21, 2023
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