SECUREMENT DEVICE FOR SHUNT CATHETER AND IMPLANTATION METHOD THEREFOR

• US 20080262406A1
• Filed: 04/23/2008
• Published: 10/23/2008
• Est. Priority Date: 04/23/2007
• Status: Abandoned Application

• Current Assignee: Cerebro Dynamics, Inc.
• Original Assignee: Cerebro Dynamics, Inc.
• Inventors: Wiener, Edward Lee
• Application Number:
  US12/107,932
• Publication Number:
  US 20080262406A1
• Time in Patent Office: Days
• US Class Current: 604/8
• CPC Class Codes: A61M 2025/0233 specifically adapted for attaching to a body wall by means which are on both sides of the wall, e.g. for attaching to an abdominal wall
• CPC Class Codes: A61M 25/04 in the body, e.g. expansible A61M25/10, A61M16/0488 take precedence
• CPC Class Codes: A61M 27/006 Cerebrospinal drainage; Accessories therefor, e.g. valves

Abstract

The invention relates to implantable systems for securing shunt catheters. The implantable system and device functions to maintain shunt patency and thus, shunt catheter malfunction due to obstruction is prevented

Claims

1. An implantable system for securing a shunt catheter to an anatomic structure comprising a shunt catheter, means for holding a limb of said shunt catheter, and means for affixing said shunt catheter to said anatomic structure.

2. The implantable system according to claim 1, wherein said shunt catheter is a cerebrospinal fluid (CSF) shunt catheter or a lumboperitoneal shunt catheter.

3. The implantable system according to claim 1, wherein said anatomic structure is located at a site in an abdominal cavity of a subject.

4. The implantable system according to claim 3, wherein said site is relatively free of potentially obstructive tissue, fat, proteinaceous debris, intra-abdominal adhesions, and intra-abdominal fluid pockets.

5. The implantable system according to claim 1, wherein said anatomic structure is a ligament.

6. The implantable system according to claim 5, wherein said ligament is a falciform ligament or a hepatogastric ligament.

7. The implantable system according to claim 1, wherein said means for holding comprises a circumferential cuff through which said limb of said shunt catheter traverses and wherein said means for affixing comprises at least one flange extending from an outer surface of said circumferential cuff or comprises a disc wherein said circumferential cuff traverses said disc at a ninety degree angle to the flat plane of said disc.

8. The implantable system according to claim 7, wherein said circumferential cuff has an inner diameter that approximates the outer diameter of said shunt catheter.

9. The implantable system according to claim 7, wherein said circumferential cuff is constructed from a material selected from the group consisting of nylon mesh, VELCRO®

, TEFLON®

, silicone, and urethane.

10. The implantable system according to claim 7, wherein said circumferential cuff includes a radio-opaque material or dye.

11. The implantable system according to claim 7, wherein said flange or said disk is affixed to said anatomic structure by staples or suture.

12. The implantable system according to claim 7, wherein said flange or said disk is constructed from a material selected from the group consisting of nylon mesh, VELCRO®

, TEFLON®

, silicone, and urethane.

13. The implantable system according to claim 7, wherein said circumferential cuff and said flange or said disc are constructed from the same or dissimilar material.

14. The implantable system according to claim 7, wherein said means for affixing comprises both a flange and a disc.

15. The implantable system according to claim 7, wherein said means for affixing comprises at least one flange extending from an outer surface of said cuff at a ninety degree angle to the longitudinal axis of said cuff.

16. The implantable system according to claim 15, wherein said anatomic structure is an abdominal wall.

17. The implantable system according to claim 7, wherein said means for affixing is a flange shaped as a hollow cone and wherein said flange is capable of encircling and holding said cuff.

18. The implantable system according to claim 17, wherein said flange is constructed from silicone or urethane.

19. The implantable system according to claim 17, wherein the base of said flange includes a material selected from the group consisting of nylon mesh, VELCRO®

, and TEFLON®

.

20. The implantable system according to claim 7, wherein said flange includes a plurality of struts affixed to said circumferential cuff at acute angle and wherein said plurality of struts expands outwardly from the longitudinal axis of said circumferential cuff.

21. The implantable system according to claim 20, wherein said struts are constructed of silicone or urethane.

22. The implantable system according to claim 7, wherein said flange is constructed of bio-absorbent material which expands when hydrated.

23. The implantable system according to claim 7, wherein said flange is an inflatable balloon.

24. A kit for an implantable system according to claim 1, said kit comprising a shunt catheter, means for holding a distal limb of said shunt catheter, and means for affixing said shunt catheter to an anatomic structure.

49. A method for preventing malfunction of a shunt catheter in a subject by implanting a system according to claim 1, said method comprising:

identifying an anatomic structure for affixing said shunt catheter;

introducing said shunt catheter into an abdominal cavity;

preparing said anatomic structure to accept said shunt catheter;

positioning said shunt catheter for engagement with said anatomic structure; and

securing said shunt catheter to said anatomic structure wherein said shunt catheter is secured at a site in said abdominal cavity that is relatively free of potentially obstructive tissue, fat, proteinaceous debris, intra-abdominal adhesions, and intra-abdominal fluid pockets.

50. The method according to claim 49, wherein said method is performed laparoscopically.

51. The method according to claim 49, wherein said shunt catheter is a cerebrospinal fluid (CSF) shunt catheter and said system is implanted in a primary surgical procedure or in a revision surgical procedure for treatment of hydrocephalus.

52. The method according to claim 49, wherein said shunt catheter is a lumboperitoneal shunt catheter and said system is implanted in a surgical procedure for treatment of pseudotumor cerebri.

53. The method according to claim 49, wherein said anatomic structure is a ligament or an abdominal wall.

54. The method according to claim 53, wherein said ligament is a falciform ligament or a hepatogastric ligament.

25. An implantable device for securing a shunt catheter to an anatomic structure comprising means for holding a limb of said shunt catheter and means for affixing said shunt catheter to said anatomic structure.

26. The implantable device according to claim 25, wherein said shunt catheter is a cerebrospinal fluid (CSF) shunt catheter or a lumboperitoneal shunt catheter.

27. The implantable device according to claim 25, wherein said anatomic structure is located at a site in an abdominal cavity of a subject.

28. The implantable device according to claim 27, wherein said site is relatively free of potentially obstructive tissue, fat, proteinaceous debris, intra-abdominal adhesions, and intra-abdominal fluid pockets.

29. The implantable device according to claim 25, wherein said anatomic structure is a ligament.

30. The implantable device according to claim 29, wherein said ligament is a falciform ligament or a hepatogastric ligament.

31. The implantable device according to claim 25, wherein said means for holding comprises a circumferential cuff through which said limb of said shunt catheter traverses and wherein said means for affixing comprises at least one flange extending from an outer surface of said circumferential cuff or comprises a disc wherein said circumferential cuff traverses said disc at a ninety degree angle to the flat plane of said disc.

32. The implantable device according to claim 31, wherein said circumferential cuff has an inner diameter that approximates the outer diameter of said shunt catheter.

33. The implantable device according to claim 31, wherein said circumferential cuff is constructed from a material selected from the group consisting of nylon mesh, VELCRO®

, TEFLON®

, silicone, and urethane.

34. The implantable device according to claim 31, wherein said circumferential cuff includes a radio-opaque material or dye.

35. The implantable device according to claim 31, wherein said flange or said disk is affixed to said anatomic structure by staples or suture.

36. The implantable device according to claim 31, wherein said flange or said disk is constructed from a material selected from the group consisting of nylon mesh, VELCRO®

, TEFLON®

, silicone, and urethane.

37. The implantable device according to claim 31, wherein said circumferential cuff and said flange or said disc are constructed from the same or dissimilar material.

38. The implantable device according to claim 31, wherein said means for affixing comprises a flange and a disc.

39. The implantable device according to claim 31, wherein said means for affixing comprises at least one flange extending from an outer surface of said cuff at a ninety degree angle to the longitudinal axis of said cuff.

40. The implantable device according to claim 39, wherein said anatomic structure is an abdominal wall.

41. The implantable device according to claim 31, wherein said means for affixing is a flange shaped as a hollow cone and wherein said flange is capable of encircling and holding said cuff.

42. The implantable device according to claim 41, wherein said flange is constructed from silicone or urethane.

43. The implantable system according to claim 41, wherein the base of said flange includes a material selected from the group consisting of nylon mesh, VELCRO®

, and TEFLON®

.

44. The implantable device according to claim 31, wherein said flange includes a plurality of struts affixed to said circumferential cuff at acute angle and wherein said plurality of struts expands outwardly from the longitudinal axis of said circumferential cuff.

45. The implantable device according to claim 38, wherein said struts are constructed of silicone or urethane.

46. The implantable device according to claim 31, wherein said flange is constructed of bio-absorbent material which expands when hydrated.

47. The implantable device according to claim 31, wherein said flange is an inflatable balloon.

48. A kit for an implantable device according to claim 25, said kit comprising means for holding a limb of said shunt catheter and means for affixing said shunt catheter to an anatomic structure.

55. A method for preventing malfunction of a shunt catheter in a subject by implanting a device according to claim 25, said method comprising:

identifying an anatomic structure for affixing said shunt catheter;

introducing said shunt catheter into an abdominal cavity;

preparing said anatomic structure to accept said shunt catheter;

positioning said shunt catheter for engagement with said anatomic structure; and

securing said shunt catheter to said anatomic structure wherein said shunt catheter is secured at a site in said abdominal cavity that is relatively free of potentially obstructive tissue, fat, proteinaceous debris, intra-abdominal adhesions, and intra-abdominal fluid pockets.

56. The method according to claim 55, wherein said method is performed laparoscopically.

57. The method according to claim 55, wherein said shunt catheter is a cerebrospinal fluid (CSF) shunt catheter and said system is implanted in a primary surgical procedure or in a revision surgical procedure for treatment of hydrocephalus.

58. The method according to claim 55, wherein said shunt catheter is a lumboperitoneal shunt catheter and said system is implanted in a surgical procedure for treatment of pseudotumor cerebri.

59. The method according to claim 55, wherein said anatomic structure is a ligament or an abdominal wall.

60. The method according to claim 59, wherein said ligament is a falciform ligament or a hepatogastric ligament.