Polymeric reconstrainable, repositionable, detachable, percutaneous endovascular stentgraft

• US 20050049691A1
• Filed: 09/02/2003
• Published: 03/03/2005
• Est. Priority Date: 09/02/2003
• Status: Abandoned Application

• Current Assignee: University of Florida Research Foundation, Incorporated (State University System of Florida)
• Original Assignee: University of Florida Research Foundation, Incorporated (State University System of Florida)
• Inventors: Burry, Matthew V., Batich, Christopher D., Santra, Swadeshmukul, Mericle, Robert A., Watkins, Courtney S.
• Application Number:
  US10/652,557
• Publication Number:
  US 20050049691A1
• Time in Patent Office: Days
• US Class Current: 623/1.230
• CPC Class Codes: A61F 2/06 Blood vessels
• CPC Class Codes: A61L 31/06 obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds A61L31/041 takes precedence
• CPC Class Codes: C08L 75/04 Polyurethanes
• CPC Class Codes: C08L 83/04 Polysiloxanes

Abstract

A coaxial double lumen tube adapted for forming an endovascular graft which comprises an outer tube positioned over an inner tube, both tubes being made of a material acceptable for use in endovascular grafts and having an internal and external diameter and a wall thickness, the outer tube having an internal diameter and the inner tube having an external diameter such that a space is created between the outer tube and inner tube, said space being at least partially filled with an uncured adhesive which, upon curing after endovascular implantation, cures to adhere said inner and outer tubes together to form a self-supportive tube.

Claims

1-6. -6. (Cancelled)

7. A coaxial double lumen tube adapted for forming an endolumenal graft, said double lumen tube comprising an outer tube positioned over an inner tube, both of said inner and outer tubes having an internal and external diameter and a wall thickness, said outer tube having an internal diameter and said inner tube having an external diameter such that a space is created between said outer tube and said inner tube, said space being at least partially filled with an uncured adhesive which, upon curing after endoluminal implantation, cures to adhere said inner and outer tubes together to form the endolumenal graft.

8. The coaxial double lumen tube of claim 7, wherein said endolumenal graft is selected from the group consisting of a vascular graft, a urinary graft, a biliary graft, and a bronchial graft.

9. The coaxial double lumen tube of claim 7, wherein said endolumenal graft is a vascular graft selected from the group consisting of an aortic graft, a coronary graft, an intracranial graft, and a peripheral vascular graft.

10. The coaxial double lumen tube of claim 7, wherein said double lumen tube has one or more bifurcations.

11. The coaxial double lumen tube of claim 7, wherein said double lumen tube has one or more holes perforating said inner tube and said outer tube.

12. The coaxial double lumen tube of claim 7, wherein said double lumen tube comprises a porous, flexible elastomer.

13. The coaxial double lumen tube of claim 7, wherein said double lumen tube comprises a polyurethane.

14. The coaxial double lumen tube of claim 7, wherein said double lumen tube comprises a silicone-polyurethane copolymer.

15. The coaxial double lumen tube of claim 7, wherein said double lumen tube comprises a polyurethane copolymer containing silicone in the soft segment.

16. The coaxial double lumen tube of claim 15, wherein said polyurethane copolymer is silicone-polyether-urethane or silicone-polycarbonate-urethane.

17. The coaxial double lumen tube of claim 7, wherein said double lumen tube comprises an aromatic silicone polyether-urethane or aliphatic silicone polyether-urethane.

18. The coaxial double lumen tube of claim 7, wherein said double lumen tube comprises a radio-opaque material.

19. The coaxial double lumen tube of claim 7, wherein said uncured adhesive comprises a radio-opaque material.

20. The coaxial lumen tube of claim 19, wherein said radio-opaque material is selected from the group comprising tantalum, barium sulfate, and lipiodol.

21. The coaxial double lumen tube of claim 7, wherein said uncured adhesive comprises a monomer that is polymerized upon triggering.

22. The coaxial double lumen tube of claim 21, wherein said polymerized monomer forms a cross-linked polymer.

23. The coaxial double lumen tube of claim 21, wherein said monomer is selected from the group consisting of methylmethacrylate, cyanoacrylate, and ethylcyanoacrylate.

24. The coaxial double lumen tube of claim 7, wherein said uncured adhesive comprises polymer microspheres and cyanoacrylate monomer.

25. The coaxial double lumen tube of claim 7, wherein said uncured adhesive is triggered to cure by pressure or electricity.

26. The coaxial double lumen tube of claim 7, wherein said uncured adhesive is curable by ultraviolet or visible light.

27. The coaxial double lumen tube of claim 26, wherein said uncured adhesive comprises cyanoacrylate.

28. The coaxial double lumen tube of claim 7, wherein said double lumen tube is imageable by ultrasound.

29. The coaxial double lumen tube of claim 7, wherein said double lumen tube is coated with an anti-thrombogenic material.

30. The coaxial double lumen tube of claim 29, wherein said anti-thrombogenic material comprises heparin.

31. The coaxial double lumen tube of claim 7, wherein said wall thickness of each of said inner and outer tubes is 50-1000 microns.

32. The coaxial double lien tube of claim 7, wherein said wall thickness of each of said inner and outer tubes is about 450 micrometers.

33. The coaxial double lumen tube of claim 7, wherein said space is about 0.425 mm.

34. The coaxial double lumen tube of claim 7, wherein said outerdiameter of said inner and outer tubes is 2.0 mm and 3.2 mm, respectively.

35. A system for treatment of luminal disorders, comprising the coaxial double lumen tube of claim 7 and a balloon catheter, wherein said balloon catheter is located within said endoluminal graft, and wherein said internal diameter of said inner tube is smaller than the diameter of said balloon in constricted form.

53. An article of manufacture comprising packaging material and the coaxial double lumen tube of claim 7 contained within said packaging material, wherein said coaxial double lumen tube is effective for implantation in a patient, and wherein said packaging material comprises a label which indicates that said coaxial double lumen tube can be used for such implantation.

36. A method of deploying an endolumenal graft adequate for maintaining a flow of fluid therethrough and preventing leakage or failure of a portion of a patient'"'"'s body lumen within the patient'"'"'s body, comprising:

a) providing a coaxial double lumen tube adapted for forming an endolumenal grail which comprises an outer tube positioned over an inner tube, both tubes being made of a material acceptable for use in endolumenal grafts and having an internal and external diameter and a wall thickness, the outer tube having an internal diameter and the innertube having an external diameter such that a space is created between the outer tube and inner tube, the space being at least partially filled with an uncured adhesive which, upon curing after endolumenal delivery, cures to adhere the inner and outer tubes together to form a self-supportive endolumenal graft;

b) delivering said double lumen tube to the portion of the patient'"'"'s body lumen; and

c) following delivering of said double lumen tube within said patient'"'"'s lumen, curing said adhesive to adhere said inner and outer tubes together to form the self-supportive endolumenal graft.

37. The method of claim 36, wherein the patient'"'"'s body lumen is selected from the group consisting of vascular, urinary, biliary, and bronchial.

38. The method of claim 36, wherein the patient'"'"'s body lumen is a vascular lumen is selected from the group consisting of aortic, coronary, intracranial, and peripheral vascular.

39. The method of claim 36, wherein said delivering is carried out intraoperatively.

40. The method of claim 36, wherein said delivering is carried out percutancously.

41. The method of claim 36, wherein said delivering is carried out using ultrasound guidance.

42. The method of claim 36, wherein said delivering is carried out through a delivery catheter system.

43. The method of claim 36, wherein the uncured adhesive is triggered to cure by pressure or electricity.

44. The method of claim 36, wherein the uncured adhesive is triggered to cure by ultraviolet or invisible light.

45. The method of claim 44, wherein the uncured adhesive comprises a photoinitiator and a monomer, and wherein said curing comprises providing the uncured adhesive with ultraviolet light by an optical fiber which causes the photoinitiator to fragment and initiate polymerization of the monomer.

46. The method of claim 36, wherein the uncured adhesive comprises polymer microspheres and alkylcyanoacrylate monomer, and wherein said curing is triggered by external deployment pressure, which causes the polymer microspheres to release anions that trigger the polymerization of the alkylcyanoacrylate monomer.

47. The method of claim 36, wherein the patient'"'"'s body lumen is a vascular lumen, wherein the double lumen tube comprises one or more holes, wherein the portion of the patient '"'"'s vascular lumen has a perforating artery, and wherein the double lumen tube is delivered such that the one or more holes are adjacent to the perforating artery, thereby permitting passage of blood flow through the perforating artery and the one or more holes.

48. The method of claim 36, wherein the portion of the body lumen has one or more branching sites, and wherein the endolumenal graft is bifurcated.

49. The method of claim 36, wherein said method further comprises repositioning the double lumen tube two or more times prior to said curing.

50. The method of claim 36, wherein said method further comprises inflating the double lumen tube two or more times prior to said curing.

51. A kit comprising components suitable for forming an endolumenal graft adequate for maintaining a flow of fluid therethrough and preventing leakage or failure of a compromised portion of a patient'"'"'s body lumen, said endolumenal graft comprising two tubes configured to be an outer tube positioned over an inner tube, both tubes being made of a material acceptable for use in endolumenal grafts and having an internal and external diameter and a wall thickness, the outer tube having an internal diameter and the inner tube having an external diameter such that a space is created between the outer tube and inner tube when so positioned, and an uncured adhesive for at least partially filling said space when created by said positioning, said adhesive, upon curing after endolumenal implantation, cures to adhere said inner and outer tubes together to form a self-supportive endolumenal graft.

52. The kit of claim 51, wherein the tubes are configured to be deployed within a low profile delivery catheter system.