IP Library › Granted Patent US 12,213,677
Granted Patent B2
US 12,213,677 · App. 17/542,749 · Granted Feb 4, 2025

Medical device for modification of left atrial appendage and related systems and methods

Inventors: Daryl R. Edmiston (Draper, UT); Clark C. Davis (Holladay, UT); Scott D. Miles (Sandy, UT)
Assignee: Coherex Medical, Inc.
A61B17/12122A61B17/0057A61B17/12022A61B17/12172A61B17/12177A61B2017/00575A61B2017/00597A61B2017/00893A61B2017/00942A61B2017/12004A61B2017/1205A61B2017/12054A61B2017/12095A61B2090/3966A61F2/011A61F2002/016A61F2210/0014A61F2220/0016A61F2250/0067A61M5/007
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Quick Facts
Patent No.
US 12,213,677
App. No.
17/542,749
Granted
Feb 4, 2025
Kind
B2
Abstract

Devices, methods and systems are provided for occluding an opening within the tissue of a body, such as a left atrial appendage. In one embodiment, a medical device includes an occluder portion and an anchor portion. The occluder portion includes a hub that defines an axis, the occluder portion extending between a proximal end coupled to the hub and a distal end defining an occluder eyelet adjacent thereto. The anchor portion extends between a first end and a second end, the first end coupled to an anchor hub and the second end defining an anchor eyelet adjacent thereto and hingeably coupled to the occluder eyelet. With this arrangement, the anchor hub is moveable along the axis to move the anchor portion between a retracted position and a deployed position upon the occluder portion being in an expanded position.

Claims (24)

1. A medical device for implantation in a left atrial appendage of a heart, the medical device comprising:

first frame segments extending from a hub and defining an axis, the first frame segments extending between a proximal end coupled to the hub and a distal end of the first frame segments;

second frame segments extending between a first end and a second end, the first end coupled to a secondary hub and the second end operably coupled to the hub; and

a polymeric member coupled to the first frame segments along at least a proximal side of the first frame segments;

wherein, upon the first frame segments being in an expanded position, the second frame segments are moveable between a non-deployed position and a deployed position with movement of the secondary hub along the axis.

2. The medical device of claim 1 , wherein the second frame segments include anchoring tines extending therefrom.

3. The medical device of claim 2 , wherein the anchoring tines each extend with an acute angle relative to the second frame segments, the acute angle having a range between about 25 degrees and about 60 degrees.

4. The medical device of claim 2 , wherein the anchoring tines each extend with a height relative to the second frame segments, the height having a range between about 0.020 inches and about 0.050 inches.

5. The medical device of claim 2 , wherein the anchoring tines extending from a single strut are spaced a distance from adjacent tines within a range between about 0.060 inches and 0.015 inches.

6. The medical device of claim 1 , wherein the second frame segments comprise anchoring tines aligned with and extending from struts defining the second frame segments, the struts being non-aligned relative to the axis.

7. The medical device of claim 1 , wherein the proximal end of each of the first frame segments is coupled to the hub with a hinge arrangement.

8. A method for occluding a left atrial appendage of a heart, the method comprising:

positioning a framework within the left atrial appendage such that the framework extends to define a proximal side and a distal side with an axis such that the proximal and distal sides of the framework are positioned adjacent an ostium of the left atrial appendage, the proximal side of the framework extends radially outward and distally from a primary hub, the distal side of the framework extends radially inward to a distal end of the framework and extends to a secondary hub such that the secondary hub is positioned proximal the distal end of the framework; and

permanently implanting the framework in the left atrial appendage with the proximal and distal sides of the framework positioned adjacent the ostium of the left atrial appendage;

wherein the positioning comprises positioning the framework with the framework extending into the secondary hub on a secondary hub distal side.

9. The method according to claim 8 , wherein the positioning comprises securing the framework to tissue within the left atrial appendage with anchoring tines extending from anchor frame segments of the framework.

10. The method according to claim 8 , wherein the positioning comprises pivoting anchor frame segments of the framework between a retracted position and a deployed position.

11. The method according to claim 8 , wherein the positioning comprises positioning the framework with a polymeric member along the proximal side of the framework.

12. The method according to claim 8 , wherein the positioning comprises moving anchor frame segments of the framework between a non-deployed position and a deployed position.

13. The method according to claim 8 , wherein the positioning comprises moving anchor frame segments of the framework between a retracted position and a deployed position by moving the secondary hub along the axis.

14. The method according to claim 8 , further comprising advancing the framework from a distal end of a sheath such that the framework at least partially self-expands.

15. The method according to claim 8 , wherein the positioning comprises positioning the framework with a tissue growth member along the proximal side of the framework, the tissue growth member having a hydrophilic coating associated therewith.

16. The method according to claim 8 , wherein the positioning comprises positioning the framework with the framework extending proximally into the secondary hub.

17. The medical device of claim 1 , wherein the distal end of the first frame segments comprise a coupling structure adjacent the distal end thereof.

Continuity (16)
Continuation 16859282 · Apr 27, 2020
Continuation 15438650 · Feb 21, 2017
Continuation In Part 15094254 · Apr 8, 2016
Continuation In Part 14308695 · Jun 18, 2014
Continuation In Part 13666612 · Nov 1, 2012
Continuation In Part 12818046 · Jun 17, 2010
Provisional Application 62148317 · Apr 16, 2015
Provisional Application 61837628 · Jun 20, 2013
Provisional Application 61661799 · Jun 19, 2012
Provisional Application 61553948 · Nov 1, 2011
Provisional Application 61345514 · May 17, 2010
Provisional Application 61325230 · Apr 16, 2010
Provisional Application 61320635 · Apr 2, 2010
Provisional Application 61294058 · Jan 11, 2010
Provisional Application 61218018 · Jun 17, 2009
Related Publication 20220087684A1 · Mar 24, 2022
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