IP Library › Granted Patent US 12,232,987
Granted Patent B2
US 12,232,987 · App. 17/993,435 · Granted Feb 25, 2025

Stent

Inventors: Joseph R. Armstrong (Flagstaff, AZ); Edward H. Cully (Flagstaff, AZ); Michael W. Franklin (Flagstaff, AZ); Mark Y. Hansen (Flagstaff, AZ); Brandon A. Lurie (Flagstaff, AZ); Craig R. McMurray (Flagstaff, AZ); William D. Montgomery (Flagstaff, AZ); Wendy J. Terry (Anthem, AZ); Eric M. Tittelbaugh (Flagstaff, AZ)
Assignee: W. L. Gore & Associates, Inc.
A61F2/88A61F2/07A61F2/90A61F2/915A61F2/966A61F2002/075A61F2002/9155A61F2002/91558A61F2002/91575A61F2002/9583A61F2220/005A61F2220/0075A61F2230/0054A61F2250/0029A61F2250/0036
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Quick Facts
Patent No.
US 12,232,987
App. No.
17/993,435
Granted
Feb 25, 2025
Kind
B2
Abstract

The invention relates to a medical device and a method of using it. The device is a stent which can be percutaneously deliverable with (or on) an endovascular catheter or via other surgical or other techniques and then expanded. The stent is configured to have a central portion defined by “open” cells and at least two end portions, defined by “closed” cells, spaced apart and directly connected to the distal and proximal ends of the central portion of the stent. The stent may also optionally have a covering or a lattice with openings.

Claims (28)

1. A stent having a distal end and a proximal end and a longitudinal axis, the stent being transitionable between a delivery configuration and a deployed configuration, the stent comprising:

a proximal circumferential member;

a distal circumferential member;

an intermediate section extending at an angle relative to the longitudinal axis, the intermediate section including a helical element extending axially between and connected to the proximal circumferential member and the distal circumferential member, the helical element having at least one helical row defined by uniform apex geometry and including a plurality of undulations joined with one another through a plurality of axial connectors, wherein the axial connectors maintain an axial length between the plurality of undulations such that the axial length is relatively constant between the delivery and deployed configurations; and

wherein the helical element is defined by a partial helical turn.

2. The stent of claim 1 , wherein the partial helical turn includes a plurality of apices.

3. The stent of claim 2 , wherein the plurality of apices includes approximately six apices.

4. The stent of claim 1 , wherein the partial helical turn is defined as at least ¼ of a full helical turn.

5. The stent of claim 1 , wherein the partial helical turn is defined as least ½ of a full helical turn.

6. The stent of claim 1 , wherein the partial helical turn is defined as at least ⅘ of a full helical turn.

7. The stent of claim 1 , wherein the stent has a deployed configuration having a deployed diameter and a pre-deployed configuration having a pre-deployed diameter that is less than the deployed diameter.

8. The stent of claim 7 , wherein the deployed diameter has a value of between approximately 3 mm and approximately 6 mm.

9. The stent of claim 1 , wherein the axial connectors of the plurality of axial connectors extend intermittently between longitudinally adjacent undulations.

10. The stent of claim 1 , wherein the axial connectors of the plurality of axial connectors are substantially aligned with a longitudinal axis.

11. An endovascular prosthesis, the prosthesis comprising:

a stent having a helical element, the helical element having at least one helical row defined by uniform apex geometry and including a plurality of undulations joined with one another through the use of a plurality of axial connectors, a proximal circumferential member, wherein the helical element is coupled to the proximal circumferential member by at least one axial connector of the plurality of axial connectors, wherein the helical element is defined by a partial helical turn, wherein the axial connectors maintain axial spacing of the plurality of undulations, and wherein the axial connectors extend substantially linearly along a longitudinal axis of the endovascular prosthesis.

12. The endovascular prosthesis of claim 11 , further comprising a cover at least partially disposed onto the stent.

13. The endovascular prosthesis of claim 11 , wherein the proximal circumferential member is defined by a plurality of apices, the helical element is defined by a plurality of apices, and wherein the proximal circumferential member is coupled with the helical element by the at least one axial connector being coupled between at least one apex of the plurality of apices of the proximal circumferential member and at least one apex of the plurality of apices of the helical element.

14. The endovascular prosthesis of claim 11 , further comprising a distal circumferential member, wherein the helical element is coupled to the distal circumferential member by at least one distal axial connector.

15. The endovascular prothesis of claim 14 , wherein the distal circumferential member is defined by a plurality of apices, the helical element is defined by a plurality of apices, and wherein the distal circumferential member is coupled with the helical element by the at least one distal axial connector being coupled between at least one apex of the plurality of apices of the distal circumferential member and at least one apex of the plurality of apices of the helical element.

16. The endovascular prosthesis of claim 11 , wherein the stent has a deployed configuration having a deployed diameter and a pre-deployed configuration having a pre-deployed diameter that is less than the deployed diameter.

17. The endovascular prosthesis of claim 16 , wherein the deployed diameter has a value of between approximately 3 mm and approximately 6 mm.

18. The endovascular prosthesis of claim 16 , wherein the pre-deployed diameter has a value of between approximately 1.0 mm and approximately 2.3 mm.

19. A stent having a proximal end, a distal end and a longitudinal axis, the stent comprising:

a proximal circumferential member; and

a helical element extending axially from the proximal circumferential member, the helical element having a helical row defined by uniform apex geometry and including a plurality of undulations joined with one another through a plurality of axial connectors, and the helical element defined by a partial helical turn, and wherein the axial connectors maintain axial spacing of the plurality of undulations such that a length of the stent is relatively unchanged upon deployment.

20. The stent delivery system of claim 19 , wherein the partial helical turn is defined as at least ¼ of a full helical turn.

21. The stent delivery system of claim 19 , wherein the partial helical turn includes a plurality of apices and wherein the plurality of apices includes approximately six apices or less.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 17, 2023
From: GORE ENTERPRISE HOLDINGS, INC.
To: W. L. GORE & ASSOCIATES, INC.
Reel/Frame 064874/0239 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 27, 2023
From: ARMSTRONG, JOSEPH R.; CULLY, EDWARD H.; FRANKLIN, MICHAEL W.; HANSEN, MARK Y.; LURIE, BRANDON A.; MCMURRAY, CRAIG R.; MONTGOMERY, WILLIAM D.; TERRY, WENDY J.; TITTELBAUGH, ERIC M.
To: GORE ENTERPRISE HOLDINGS, INC.
Reel/Frame 064405/0345 →
Continuity (6)
Continuation 16453316 · Jun 26, 2019
Continuation 15820615 · Nov 22, 2017
Continuation 13298060 · Nov 16, 2011
Provisional Application 61523115 · Aug 12, 2011
Provisional Application 61433069 · Jan 14, 2011
Related Publication 20230093376A1 · Mar 23, 2023
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