Devices and methods for treatment of vascular aneurysms

• US 8,231,666 B2
• Filed: 10/25/2006
• Issued: 07/31/2012
• Est. Priority Date: 11/26/2001
• Status: Active Grant

• Current Assignee: Endologix
• Original Assignee: Thomas J. Fogarty
• Inventors: Kim, Steven W., Shiu, Brian K.
• Primary Examiner(s): SEVERSON, RYAN J
• Application Number:
  US11/552,925
• Publication Number:
  US 20070055355A1
• Time in Patent Office: 2,106 Days
• Field of Search: 606/200, 623/1.15, 623/1.25, 623/1.36
• US Class Current: 623/1.11
• CPC Class Codes: A61B 17/12022 Occluding by internal devices, e.g. balloons or releasable wires plugging an opening in the wall of an organ A61B17/0057; occluders for the cervical canal A61F6/146; vas deferens occluders A61F6/20
• CPC Class Codes: A61B 17/12036 partial occlusion
• CPC Class Codes: A61B 17/12118 for positioning in conjunction with a stent
• CPC Class Codes: A61B 17/12136 Balloons
• CPC Class Codes: A61B 17/12186 liquid materials adapted to be injected
• CPC Class Codes: A61B 17/1219 expandable in contact with liquids
• CPC Class Codes: A61B 17/12195 comprising a curable material
• CPC Class Codes: A61B 2017/00898 expandable upon contact with fluid
• CPC Class Codes: A61B 2017/00986 Malecots, e.g. slotted tubes, of which the distal end is pulled to deflect side struts
• CPC Class Codes: A61B 2017/1205 Introduction devices
• CPC Class Codes: A61B 2017/3484 Anchoring means, e.g. spreading-out umbrella-like structure
• CPC Class Codes: A61F 2/07 Stent-grafts
• CPC Class Codes: A61F 2/90 characterised by a net-like or mesh-like structure
• CPC Class Codes: A61F 2/954 for placing stents or stent-grafts in a bifurcation
• CPC Class Codes: A61F 2/958 Inflatable balloons for placing stents or stent-grafts
• CPC Class Codes: A61F 2002/065 Y-shaped blood vessels
• CPC Class Codes: A61F 2002/077 having means to fill the space between stent-graft and aneurysm wall, e.g. a sleeve
• CPC Class Codes: A61F 2002/823 Stents, different from stent-grafts, adapted to cover an aneurysm
• CPC Class Codes: A61F 2250/0003 having an inflatable pocket filled with fluid, e.g. liquid or gas

Abstract

The present invention relates to devices and methods for the treatment of diseases in the vasculature, and more specifically, devices and methods for treatment of aneurysms found in blood vessels. In a first embodiment of the present invention, a two part prostheses, where one part is an expandable sponge structure and the other part is an expandable tubular mesh structure, is provided. In the first embodiment, the expandable sponge structure is intended to fill the aneurysm cavity to prevent further dilatation of the vessel wall by creating a buffer or barrier between the pressurized pulsating blood flow and the thinning vessel wall. In the first embodiment, the expandable tubular mesh structure is placed across the aneurysm, contacting the inner wall of healthy vessel proximal and distal to the aneurysm.

Claims

1. A method for treatment of an aneurysm in a blood vessel having a flow of blood comprising:

positioning a balloon in the aneurysm, wherein the balloon has a longitudinal channel through the balloon and wherein the longitudinal channel is configured to allow the flow of blood to pass through the longitudinal channel;

deploying a first stent at a first terminal end of the longitudinal channel;

deploying a second stent at a second terminal end of the longitudinal channel, wherein the first stent is the adjacent stent to the second stent; and

substantially fixably deploying the balloon in the aneurysm, wherein the balloon has a balloon chamber, and wherein the substantially fixably deploying comprises delivering a filling within the balloon chamber, and wherein the filling is hardened.

2. The method of claim 1, wherein substantially fixably deploying the balloon further comprising inflating the balloon with a fluid.

3. The method of claim 2, further comprising sealing the balloon.

4. The method of claim 3, wherein sealing the balloon comprises sealing with heat.

5. The method of claim 3, wherein sealing the balloon comprises sealing with an adhesive.

6. The method of claim 2, wherein the inflating the balloon occurs after the position the balloon.

7. The method of claim 2, wherein the fluid comprises a curable material.

8. The method of claim 7, wherein the curable material comprises an epoxy.

9. The method of claim 2, wherein the fluid comprises an epoxy.

10. The method of claim 2, wherein the fluid comprises a silicone.

11. The method of claim 2, wherein the fluid comprises a urethane.

12. The method of claim 2, further comprising substantially solidifying the fluid.

13. The method of claim 2, further comprising curing the fluid.

14. The method of claim 13, wherein the curing occurs after the positioning.

15. The method of claim 13, wherein curing comprises curing with UV.

16. The method of claim 2, further comprising sealing the balloon.

17. The method of claim 2, wherein inflating comprises inflating the balloon until the balloon bulges out to fill substantially all of a sac of the aneurysm.

18. The method of claim 1, wherein substantially fixably deploying the balloon in the aneurysm comprises locking the balloon in the aneurysm.

19. The method of claim 1, further comprising sealing the balloon.

20. The method of claim 1, wherein the balloon is attached to a conduit.

21. The method of claim 20, further comprising detaching the conduit from the balloon while the balloon is positioned in the aneurysm.

22. The method of claim 1, wherein substantially fixably deploying the balloon in the aneurysm comprises substantially preventing migration of the balloon.

23. The method of claim 1, wherein the hard filling comprises a solid.

24. The method of claim 1, wherein the hard filling is curable.

25. A method for treatment of an aneurysm in a blood vessel having a flow of blood comprising:

positioning a balloon in the aneurysm, wherein the balloon has a longitudinal channel through the balloon and wherein the longitudinal channel is configured to allow the flow of blood to pass through the longitudinal channel; and

substantially fixably deploying the balloon in the aneurysm, wherein substantially fixably deploying comprises deploying a first stent at a first terminal end of the longitudinal channel, and deploying a second stent at a second terminal end of the longitudinal channel, wherein the first stent is the adjacent stent to the second stent.

26. The method of claim 25, wherein the balloon has a substantially closed volume, and wherein the method further comprises substantially occupying the volume of the aneurysm by the closed volume of the balloon.

27. The method of claim 25, further comprising filling the balloon with a fluid.

28. The method of claim 27, further comprising hardening the fluid.

29. The method of claim 27, further comprising curing the fluid.

30. The method of claim 29, wherein curing comprises delivering UV-radiation to the fluid.

31. The method of claim 25, wherein the balloon is porous.

32. The method of claim 25, wherein the balloon is non-porous.

33. A method for treatment of an aneurysm in a blood vessel having a flow of blood comprising:

positioning a balloon in the aneurysm;

deploying a first stent at a first terminal end of the longitudinal channel;

deploying a second stent at a second terminal end of the longitudinal channel, wherein the first stent is the adjacent stent to the second stent;

substantially fixably deploying the balloon in the aneurysm, wherein the balloon has a balloon chamber, and wherein the substantially fixably deploying comprises delivering a fluid to the balloon chamber.

34. The method of claim 33, further comprising curing the fluid.

35. The method of claim 33, wherein curing comprises hardening the fluid.