Implantable device formed from polymer and plasticizer blends

• US 20070202150A1
• Filed: 02/24/2006
• Published: 08/30/2007
• Est. Priority Date: 02/24/2006
• Status: Abandoned Application

• Current Assignee: Cordis Corporation (Cardinal Health, Inc.)
• Original Assignee: Cordis Corporation (Cardinal Health, Inc.)
• Inventors: Dave, Vipul
• Application Number:
  US11/362,494
• Publication Number:
  US 20070202150A1
• Time in Patent Office: Days
• US Class Current: 424/426
• CPC Class Codes: A61L 2300/416 Anti-neoplastic or anti-proliferative or anti-restenosis or anti-angiogenic agents, e.g. paclitaxel, sirolimus
• CPC Class Codes: A61L 2300/42 Anti-thrombotic agents, anticoagulants, anti-platelet agents
• CPC Class Codes: A61L 31/141 Plasticizers
• CPC Class Codes: A61L 31/16 Biologically active materials, e.g. therapeutic substances A61L31/047 takes precedence
• CPC Class Codes: A61L 31/18 Materials at least partially X-ray or laser opaque

Abstract

A biocompatible material may be configured into any number of implantable medical devices including intraluminal stents. Polymeric materials may be utilized to fabricate any of these devices, including stents. The stents may be balloon expandable or self-expanding. The polymeric materials may include additives such as drugs or other bioactive agents as well as radiopaque agents. By preferential mechanical deformation of the polymer, the polymer chains may be oriented to achieve certain desirable performance characteristics.

Claims

1. An implantable medical device comprising a frame structure, the frame structure being formed from at least one polymer, at least one plasticizer and a radiopaque material blended to create a deformable frame structure having increased toughness.

2. The implantable medical device according to claim 1, wherein the at least one polymer is bioabsorbable.

3. The implantable medical device according to claim 1, wherein the at least one polymer is non-bioabsorbable.

4. The implantable medical device according to claim 1, wherein the at least one plasticizer is bioabsorbable.

5. The implantable medical device according to claim 1, wherein wherein the at least one plasticizer is non-bioabsorbable.

6. The implantable medical device according to claim 1, wherein the radiopaque material comprises barium sulfate.

7. The implantable medical device according to claim 1, wherein the frame structure comprises a stent.

8. An implantable medical device comprising a frame structure, the frame structure being formed from at least one polymer, at least one plasticizer, a radiopaque material and at least one therapeutic agent blended to create a deformable frame structure having increased toughness.

9. The implantable medical device according to claim 8 wherein the at least one polymer is bioabsorbable.

10. The implantable medical device according to claim 8 wherein the at least one polymer is non-bioabsorbable.

11. The implantable medical device according to claim 8, wherein the at least one plasticizer is bioabsorbable.

12. The implantable medical device according to claim 8, wherein the at least one plasticizer is non-bioabsorbable.

13. The implantable medical device according to claim 8, wherein the radiopaque material comprises barium sulfate.

14. The implantable medical device according to claim 8, wherein the at least one therapeutic agent comprises a rapamycin.

15. The implantable medical device according to claim 8, wherein the at least one therapeutic agent comprises heparin.

16. The implantable medical device according to claim 8, wherein the at least one therapeutic agent comprises paclitaxel.

17. The implantable medical device according to claim 8, wherein the frame structure comprises a stent.

18. An implantable medical device comprising a frame structure, the frame structure being formed from at least one polymer, at least one plasticizer and at least one therapeutic agent blended to create a deformable frame structure having increased toughness.

19. the implantable medical device according to claim 18, wherein the at least one polymer is bioabsorbable.

20. the implantable medical device according to claim 18, wherein the at least one polymer is non-bioabsorbable.

21. The implantable medical device according to claim 18, wherein the at least one plasticizer is bioabsorbable.

22. The implantable medical device according to claim 18, wherein the at least one plasticizer is non-bioabsorbable.

23. The implantable medical device according to claim 18, wherein the at least one therapeutic agent comprises a rapamycin.

24. The implantable medical device according to claim 18, wherein the at least one therapeutic agent comprises heparin.

25. The implantable medical device according to claim 18, wherein the at least one therapeutic agent comprises paclitaxel.

26. The implantable medical device according to claim 18, wherein the frame structure comprises a stent.

27. An implantable medical device comprising:

a frame structure, the frame structure being formed from at least one polymer and at least one plasticizer blended to create a deformable frame structure having increased toughness; and

at least one therapeutic agent affixed to the frame structure.

28. The implantable medical device according to claim 27, wherein the at least one polymer is bioabsorbable.

29. The implantable medical device according to claim 27, wherein the at least one polymer is non-bioabsorbable.

30. The implantable medical device according to claim 27, wherein the at least one plasticizer is bioabsorbable.

31. The implantable medical device according to claim 27, wherein the at least one plasticizer is non-bioabsorbable.

32. The implantable medical device according to claim 27, wherein the at least one therapeutic agent is affixed directly to a surface of the frame structure.

33. The implantable medical device according to claim 27, wherein the at least one therapeutic agent is incorporated into a polymeric vehicle and affixed to a surface of the frame structure.

34. The implantable medical device according to claim 27, wherein the at least one therapeutic agent comprises a rapamycin.

35. The implantable medical device according to claim 27, wherein the at least one therapeutic agent comprises heparin.

36. The implantable medical device according to claim 27, wherein the at least one therapeutic agent comprises paclitaxel.

37. The implantable medical device according to claim 27, wherein the frame structure comprises a stent.

38. An implantable medical device comprising a frame structure, the frame structure being formed from at least one polymer and at least one plasticizer blended to create a deformable frame structure having increased toughness.

39. The implantable medical device according to claim 38, wherein the at least one polymer is bioabsorbable.

40. The implantable medical device according to claim 38, wherein the at least one polymer is non-bioabsorbable.

41. The implantable medical device according to claim 38, wherein the at least one plasticizer is bioabsorbable.

42. The implantable medical device according to claim 38, wherein the at least one plasticizer is non-bioabsorbable.

43. The implantable medical device according to claim 38, wherein the at least one polymer comprises a stiff and brittle material.

44. The implantable medical device according to claim 38, wherein the frame structure comprises a stent.

45. An implantable medical device comprising:

a frame structure, the frame structure being formed from at least one polymer, at least one plasticizer and a radiopaque material blended to create a deformable frame structure having increased toughness; and

at least one therapeutic agent affixed to the frame structure.

46. The implantable medical device according to claim 45, wherein the at least one polymer is bioabsorbable.

47. The implantable medical device according to claim 45, wherein the at least one polymer is non-bioabsorbable.

48. The implantable medical device according to claim 45, wherein the at least one plasticizer is bioabsorbable.

49. The implantable medical device according to claim 45, wherein the at least one plasticizer is non-bioabsorbable.

50. The implantable medical device according to claim 45 wherein the radiopaque material comprises barium sulfate.

51. The implantable medical device according to claim 45, wherein the frame structure comprises a stent.

52. The implantable medical device according to claim 45, wherein the at least one therapeutic agent is affixed directly to a surface of the frame structure.

53. The implantable medical device according to claim 45, wherein the at least one therapeutic agent is incorporated into a polymeric vehicle and affixed to a surface of the frame structure.

54. The implantable medical device according to claim 45 wherein the at least one therapeutic agent comprises a rapamycin.

55. The implantable medical device according to claim 45 wherein the at least one therapeutic agent comprises heparin.

56. The implantable medical device according to claim 45 wherein the at least one therapeutic agent comprises a paclitaxel.