Granted Patent
B2
US 12,599,386 · App. 17/006,660 · Granted Apr 14, 2026
Devices, systems, and methods for treating the left atrial appendage
Assignee:
Laminar, Inc.
A61B17/12122A61B17/12031A61B17/12145A61B2017/00292A61B2017/00367A61B2017/00477A61B2017/00632A61B2017/12054A61B2017/12095
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Abstract
Disclosed are embodiments of a method for occluding a left atrial appendage (LAA) and other cavities or openings within a body. Some embodiments of the method can include an implant configured to be deployed within the LAA or other cavity, configured to be expanded or moved against a wall portion of the LAA or other cavity, and configured to twist at least a portion of the LAA or other cavity when the implant is rotated. Thereafter, one or more securing elements, staples, sutures, or other fasteners can be implanted in the gathered tissue to hold the tissue in the gathered state, thereby occluding the opening of the LAA or other cavity. In some embodiments, the opening of the LAA or other cavity can be occluded by elongating or otherwise reshaping the opening using an implant device, and securing the opening in the occluded state.
Claims (8)
1 . A device for closing or occluding a cavity or vessel, comprising:
an implant configured to move between a first state and a second state, the implant including a plurality of tissue anchors and a locking mechanism; and
a catheter configured to cause the implant to move from the first state to the second state so that an outside surface of the implant moves against an inner wall surface of the cavity or vessel after the implant has been advanced into the cavity or vessel;
wherein the catheter has a shaft removably coupled with the implant, the catheter defining a longitudinal axis, the catheter being configured to rotate the implant in a first direction from a first position to a second position about the longitudinal axis, the plurality of tissue anchors being positioned and oriented to engage tissue of the cavity or vessel when the implant is rotated in the first direction about the longitudinal axis and thereby cause at least a portion of the cavity or vessel to constrict around an outside surface of the implant when the implant is in the second state and to reduce a volume of space within the cavity or vessel, wherein the locking mechanism is configured to maintain the second position upon removal of the catheter.
2 . The device of claim 1 , further comprising a securing element having one or more arms extending away from a body portion of the securing element, the securing element being configured to prevent a rotation of at least a portion of the cavity or vessel in a second direction when the securing element is in an operable state, wherein the second direction is opposite to the first direction.
3 . The device of claim 1 , further comprising a securing element having one or more arms extending away from a body portion of the securing element, the securing element being configured to move at least from a first state in which the one or more arms are collapsed and a second state in which the one or more arms are expanded such that an end portion of each of the one or more arms are spaced further apart from the body portion of the securing element when the securing element is in the second state than when the securing element is in the first state.
4 . The device of claim 3 , wherein the one or more arms of the securing element are configured to extend toward the implant when the securing element is in the second state.
5 . The device of claim 1 , wherein the implant is self-expandable such that the implant automatically moves from the first state to the second state when a restraint is removed from the implant.
Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Aug 2, 2023
From: LASHINSKI, RANDALL T.; DWORK, JOSHUA J.
To: LAMINAR, INC.
Reel/Frame 064469/0870 →
Continuity (14)
Continuation
16863995
· Apr 30, 2020
Provisional Application
62949338
· Dec 17, 2019
Provisional Application
62925155
· Oct 23, 2019
Provisional Application
62894501
· Aug 30, 2019
Provisional Application
62880552
· Jul 30, 2019
Provisional Application
62866405
· Jun 25, 2019
Provisional Application
62854162
· May 29, 2019
Provisional Application
62853672
· May 28, 2019
Provisional Application
62849713
· May 17, 2019
Provisional Application
62828351
· Apr 2, 2019
Provisional Application
62824948
· Mar 27, 2019
Provisional Application
62497352
· Mar 25, 2019
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