Granted Patent
B2
US 12,490,966 · App. 18/104,579 · Granted Dec 9, 2025
Sealing device and delivery system
Assignee:
W. L. Gore & Associates. Inc.
A61B17/0057A61B17/00234A61B90/39B29C65/02B29C65/48B29C65/4805A61B2017/00243A61B2017/00292A61B2017/00526A61B2017/00575A61B2017/00592A61B2017/00597A61B2017/00606A61B2017/00623A61B2017/00867B29L2031/753B29L2031/7532
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Abstract
The invention relates to a sealing device for repair of cardiac and vascular defects or tissue opening such as a patent foramen ovale (PFO) or shunt in the heart, the vascular system, etc. and particularly provides an occluder device and trans-catheter occluder delivery system. The sealing device would have improved conformity to heart anatomy and be easily deployed, repositioned, and retrieved at the opening site.
Claims (26)
1 . A sealing device ( 100 ) comprising:
an expandable frame ( 200 ), at least a majority of which is formed by a plurality of wound wires extending in a common rotational direction from a proximal end of the frame to a distal end of the frame, the plurality of wires forming:
a proximal eyelet ( 202 ), an intermediate eyelet ( 203 ) and a distal eyelet ( 204 ); the intermediate eyelet having been formed by grouping the wires together and winding around a center pin;
when deployed, the wires forming proximal and distal elements ( 702 , 704 ) on either side of the intermediate eyelet, the elements each forming a plurality of petals ( 212 ), each petal having overlapping zones ( 216 ), said sealing device ( 100 ) being characterized in that the proximal and the distal eyelets have been formed by grouping the wires together and winding around a keyed center pin and in that said sealing device ( 100 ) further comprises a sealing member ( 106 ) at least partially encapsulating the expandable frame ( 200 ).
2 . The sealing device ( 100 ) of claim 1 , further comprising a lock loop ( 111 , 206 ) configured to lock the sealing device ( 100 ) in a deployed state.
3 . The sealing device ( 100 ) of claim 2 , wherein the lock loop ( 111 , 206 ) is configured to release from a delivery system to deploy the sealing device ( 100 ) to the deployed state.
4 . The sealing device ( 100 ) of claim 3 , wherein the lock loop ( 111 ) is configured to curl from the proximal eyelet ( 202 ) upon release from the delivery system.
5 . The sealing device ( 100 ) of claim 1 , wherein the plurality of petals and the sealing member ( 106 ) form a proximal disk ( 702 ) and a distal disk ( 704 ) arranged on either side of the intermediate eyelet ( 203 ).
6 . The sealing device ( 100 ) of claim 1 , wherein the deployed petals form an outer diameter ( 214 ) of the frame ( 200 ).
7 . The sealing device ( 100 ) of claim 1 , wherein the proximal eyelet ( 202 ), the distal eyelet ( 204 ), and the intermediate eyelet ( 203 ) are covered with the sealing member ( 106 ).
8 . The sealing device ( 100 ) of claim 1 , wherein the sealing member ( 106 ) comprises a material selected form the group consisting of polyester, polyethylene, polypropylene, fluoropolymer, polyurethane, silicone, nylon, and silk.
9 . The sealing device ( 100 ) of claim 8 , wherein the fluoropolymer comprises polytetrafluoroethylene.
10 . The sealing device ( 100 ) of claim 1 , wherein the plurality of wires extend helically from the proximal end to the distal end.
11 . The sealing device ( 100 ) of claim 1 , wherein the plurality of wires twist to form the plurality of petals during deployment.
12 . The sealing device ( 100 ) of claim 1 , wherein the plurality of wires comprise nitinol.
13 . The sealing device ( 100 ) of claim 1 , wherein;
the proximal eyelet ( 202 ) comprises first end portions of the plurality of wires arranged at the proximal end of the sealing device;
the distal eyelet ( 204 ) comprises second end portions of the plurality of wires arranged at the distal end of the sealing device; and
the intermediate eyelet ( 206 ) comprises intermediate portions of the plurality of wires.
14 . The sealing device ( 100 ) of claim 1 , comprising a plurality of proximal petals and a plurality of distal petals, wherein adjacent proximal petals ( 212 ) overlap one another, and adjacent distal petals overlap one another.
15 . The sealing device of claim 1 , wherein the expandable frame is configured to twist during deployment to define the plurality of petals.
16 . The sealing device of claim 1 , wherein each of the plurality of petals is formed by one of the plurality of wires.
17 . The sealing device of claim 1 , wherein the sealing member is coupled to each petal along a length of the plurality of wound wires defining the plurality of petals.
18 . A sealing device comprising:
an expandable frame, a majority of which is formed by a plurality of wound wires extending in a common rotational direction from a proximal end of the frame to a distal end of the frame, the plurality of wires forming a proximal eyelet, an intermediate eyelet, and a distal eyelet, the sealing device having an axially elongated, delivery configuration and an axially shortened, expanded configuration, the expanded configuration being defined by the plurality of wires forming proximal and distal elements on either side of the intermediate eyelet, the elements each forming a plurality of petals, each petal having overlapping zones; and
a sealing member at least partially encapsulating the expandable frame.
Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Jun 16, 2023
From: GORE ENTERPRISE HOLDINGS, INC.
To: W. L. GORE & ASSOCIATES, INC.
Reel/Frame 064007/0704 →
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Jun 2, 2023
From: AURILIA, BRAD D.; MASTERS, STEVEN J.
To: GORE ENTERPRISE HOLDINGS, INC.
Reel/Frame 063844/0681 →
Continuity (4)
Provisional Application
61219120
· Jun 22, 2009
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