IP Library › Granted Patent US 12,318,092
Granted Patent B2
US 12,318,092 · App. 17/846,523 · Granted Jun 3, 2025

Left atrial appendage implant

Inventors: Eric Dinges (Maple Grove, MN); Burns P. Doran (Monticello, MN); Dennis A. Peiffer (Brooklyn Park, MN); Anjali Begur (Maple Grove, MN); Thyna M. Chau (Woodbury, MN); Grant Teal Smith (Andover, MN)
Assignee: BOSTON SCIENTIFIC SCIMED, INC.
A61B17/12122A61B17/12172A61B17/12177A61B2017/00632A61B2017/1205A61B2090/3966
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Quick Facts
Patent No.
US 12,318,092
App. No.
17/846,523
Granted
Jun 3, 2025
Kind
B2
Abstract

An implant for occluding a left atrial appendage may include an expandable framework configured to shift between a collapsed configuration and an expanded configuration. The expandable framework includes a proximal hub and a distal hub. A longitudinal axis of the expandable framework extends from the proximal hub to the distal hub. A radiopaque marker may be positioned longitudinally between the proximal hub and the distal hub in the expanded configuration.

Claims (36)

1. A system for occluding a left atrial appendage, comprising:

a delivery sheath and a core wire slidably disposed within a lumen of the delivery sheath; and

an implant for occluding a left atrial appendage releasably securable to a distal end of the core wire, the implant comprising:

an expandable framework configured to shift between a collapsed configuration and an expanded configuration;

wherein the expandable framework includes a proximal hub and a distal hub;

wherein a longitudinal axis of the expandable framework extends from the proximal hub to the distal hub;

a first radiopaque marker positioned longitudinally between the proximal hub and the distal hub in the expanded configuration;

a second radiopaque marker positioned longitudinally between the proximal hub and the distal hub in the expanded configuration; and

a third radiopaque marker positioned longitudinally between the proximal hub and the distal hub in the expanded configuration;

wherein the first radiopaque marker, the second radiopaque marker, and the third radiopaque marker define a plane configured to be aligned with an ostium of the left atrial appendage in the expanded configuration;

wherein the first, second, and third radiopaque markers each includes a body portion disposed against an exterior surface of the expandable framework;

wherein the first, second, and third radiopaque markers each includes a proximal leg and a distal leg;

wherein the proximal leg and the distal leg extend radially inwardly toward an interior of the expandable framework;

wherein when the implant is being moved into the lumen, the proximal leg engages the delivery sheath to urge the expandable framework radially inward and away from the delivery sheath;

wherein the first, second, and third radiopaque markers each further includes a first lateral tab and a second lateral tab;

wherein the first lateral tab and the second lateral tab wrap around a portion of the expandable framework;

wherein at least a portion of the second lateral tab overlaps the first lateral tab.

2. The system of claim 1 , wherein the first, second, and third radiopaque markers each define a lateral extent and a longitudinal extent, the longitudinal extent being greater than the lateral extent;

wherein the longitudinal extent is oriented longitudinally with respect to the expandable framework.

3. A system for occluding a left atrial appendage, comprising:

a delivery sheath and a core wire slidably disposed within a lumen of the delivery sheath; and

an implant for occluding a left atrial appendage releasably securable to a distal end of the core wire, the implant comprising:

an expandable framework configured to shift between a collapsed configuration and an expanded configuration;

wherein the expandable framework includes a proximal hub and a distal hub;

wherein a longitudinal axis of the expandable framework extends from the proximal hub to the distal hub;

a first radiopaque marker positioned longitudinally between the proximal hub and the distal hub in the expanded configuration;

a second radiopaque marker positioned longitudinally between the proximal hub and the distal hub in the expanded configuration; and

a third radiopaque marker positioned longitudinally between the proximal hub and the distal hub in the expanded configuration;

wherein the first radiopaque marker, the second radiopaque marker, and the third radiopaque marker define a plane configured to be aligned with an ostium of the left atrial appendage in the expanded configuration;

wherein the first, second, and third radiopaque markers each includes a body portion disposed against an exterior surface of the expandable framework;

wherein the first, second, and third radiopaque markers each includes a proximal leg and a distal leg;

wherein the proximal leg and the distal leg extend radially inwardly toward an interior of the expandable framework;

wherein when the implant is being moved into the lumen, the proximal leg engages the delivery sheath to urge the expandable framework radially inward and away from the delivery sheath;

wherein the first, second, and third radiopaque markers each further includes a first lateral tab and a second lateral tab;

wherein the first lateral tab and the second lateral tab wrap around a portion of the expandable framework;

wherein at least a portion of the second lateral tab extends radially inward closer to the longitudinal axis than the first lateral tab.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 22, 2022
From: DINGES, ERIC; DORAN, BURNS P.; PEIFFER, DENNIS A.; BEGUR, ANJALI; CHAU, THYNA M.; SMITH, GRANT TEAL
To: BOSTON SCIENTIFIC SCIMED, INC.
Reel/Frame 060276/0224 →
Continuity (2)
Provisional Application 63213696 · Jun 22, 2021
Related Publication 20220401110A1 · Dec 22, 2022
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