IP Library › Granted Patent US 12,433,737
Granted Patent B2
US 12,433,737 · App. 18/369,483 · Granted Oct 7, 2025

Modular multibranch stent assembly and method

Inventors: Keith Perkins (Santa Rosa, CA); Zachary Borglin (Petaluma, CA); Mark Stiger (Santa Rosa, CA); Julie Benton (Santa Rosa, CA); Steven Claessens (Santa Rosa, CA); Travis Rowe (Santa Rosa, CA); Mark Young (Santa Rosa, CA)
Assignee: Medtronic Vascular, Inc.
A61F2/07A61F2/852A61F2/856A61F2002/061A61F2002/067A61F2002/068A61F2002/826A61F2220/0025A61F2250/006A61F2250/0098
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Quick Facts
Patent No.
US 12,433,737
App. No.
18/369,483
Granted
Oct 7, 2025
Kind
B2
Abstract

A stent graft assembly including a main body and a branch coupling extending radially from the main body. A proximal end of the single branch stent device is configured to seal in an ascending portion of an aorta. The assembly further includes a modular stent device including a proximal end and a distal end. The proximal end of the modular stent graft is configured to couple to a distal end of the single branch stent device. The modular stent device includes a main body configured to couple inside the main body of the single branch stent device. The modular stent device includes a bypass gate and an artery leg. The modular stent device is configured to bifurcate at a bifurcation point from the main body to the bypass gate and the artery leg outside of and distal the distal end of the single branch stent device.

Claims (26)

1. A stent graft assembly comprising:

a single branch stent device including a main body and a branch coupling extending radially from the main body, the single branch stent device includes a proximal end and a distal end, the proximal end of the single branch stent device is configured to seal in an ascending portion of an aorta;

a modular stent device including a proximal end and a distal end, the proximal end of the modular stent graft is configured to couple to a distal end of the single branch stent device, the modular stent device includes a main body configured to couple inside the main body of the single branch stent device, the main body of the modular stent device includes a proximal end having a proximal end diameter and a distal end having a distal end diameter, the modular stent device includes a bypass gate and an artery leg, the modular stent device is configured to bifurcate at the distal end of the main body of the modular stent device into the bypass gate and the artery leg outside of and distal the distal end of the single branch stent device, the bypass gate and the artery leg extend within the distal end diameter of the distal end of the main body of the modular stent device.

2. The stent graft assembly of claim 1 , wherein the artery leg is configured to engage the aorta.

3. The stent graft assembly of claim 1 , wherein the bypass gate is configured to engage the aorta.

4. The stent graft assembly of claim 1 , wherein the artery leg is configured to contact the bypass gate.

5. The stent graft assembly of claim 1 , wherein the distal end of the single branch stent device is spaced apart from the distal end of the main body of the modular stent device.

6. The stent graft assembly of claim 1 , wherein the distal end of the main body of the modular stent device is configured to align between first and second branches of the aorta.

7. The stent graft assembly of claim 6 , wherein the first branch is a brachiocephalic artery and the second branch is a left common carotid.

8. The stent graft assembly of claim 1 , wherein the artery leg is configured to terminate proximal a left common carotid artery.

9. The stent graft assembly of claim 1 further comprising a bridging stent graft configured to couple to the artery leg.

10. The stent graft assembly of claim 9 , wherein the bridging stent graft is configured to extend into the left common carotid artery.

11. The stent graft assembly of claim 9 , wherein the bridging stent graft is configured to extend into the left subclavian artery.

12. The stent graft assembly of claim 1 further comprising a tube graft configured to couple to the bypass gate and extend distally therefrom.

13. A method comprising:

introducing a single branch stent device via femoral access;

advancing the single branch stent device into the ascending aorta;

deploying the single branch stent device;

introducing a modular stent device via access through an artery distal of the brachiocephalic artery;

advancing the modular stent device such that a main body of the modular stent device is located within the main body of the single branch stent device, the main body of the modular stent device includes a proximal end having a proximal end diameter and a distal end having a distal end diameter; and

deploying the modular stent device such that the main body of the modular stent device bifurcates at the distal end of the main body of the modular stent device into the bypass gate and the artery leg outside of and distal the distal end of the single branch stent device, bypass gate and the artery leg extend within the distal end diameter of the distal end of the main body of the modular stent device.

14. The method of claim 13 further comprising deploying a bridging stent graft within the branch coupling and the brachiocephalic artery.

15. The method of claim 13 , wherein the artery distal of the brachiocephalic artery is selected from the group consisting of the left common carotid artery and the left subclavian artery.

16. The method of claim 13 further comprising engaging the aorta with the artery leg.

17. The method of claim 13 further comprising engaging the aorta with the bypass gate.

18. The method of claim 13 further comprising contacting the bypass gate and the artery leg radially inward the aorta at the distal end of the main body of the modular stent device.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 3, 2023
From: PERKINS, KEITH; BORGLIN, ZACHARY; STIGER, MARK; BENTON, JULIE; CLAESSENS, STEVEN; ROWE, TRAVIS; YOUNG, MARK
To: MEDTRONIC VASCULAR, INC.
Reel/Frame 065110/0527 →
Continuity (3)
Continuation 17517593 · Nov 2, 2021
Division 16554813 · Aug 29, 2019
Related Publication 20240000560A1 · Jan 4, 2024
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