Non-deforming deflectable multi-lumen catheter

• US 6,554,794 B1
• Filed: 06/04/1999
• Issued: 04/29/2003
• Est. Priority Date: 09/24/1997
• Status: Expired due to Fees

• Current Assignee: Eclipse Surgical Technologies, Inc. (Cryolife Incorporated)
• Original Assignee: Eclipse Surgical Technologies, Inc. (Cryolife Incorporated)
• Inventors: LaDuca, Robert, Brown, Daniel S., Daniel, Steven A., Salahieh, Amr, Chee, U. Hiram, Lundquist, Lauren K., Phipps, Richard D., Mueller, Richard L.
• Primary Examiner(s): GIBSON, ROY DEAN
• Application Number:
  US09/326,118
• Time in Patent Office: 1,425 Days
• Field of Search: 606/2, 606/7, 606/13, 606/15, 604/95.01, 604/95.04, 604/528, 604/532, 600/146, 600/434
• US Class Current: 604/95.04
• CPC Class Codes: A61B 17/3478 Endoscopic needles, e.g. for infusion biopsy needles A61B10/0233; catheters with injection needles A61M25/0067
• CPC Class Codes: A61B 2017/00243 cardiac
• CPC Class Codes: A61B 2017/00247 Making holes in the wall of the heart, e.g. laser Myocardial revascularization
• CPC Class Codes: A61B 2018/00392 Transmyocardial revascularisation
• CPC Class Codes: A61M 2025/0089 Single injection needle protruding axially, i.e. along the longitudinal axis of the catheter, from the distal tip
• CPC Class Codes: A61M 25/0026 Multi-lumen catheters with stationary elements catheter assemblies comprising a catheter in combination with a guide tube, sheath or sleeve A61M2025/0681; catheters comprising telescoping coaxial elements A61M2025/0175
• CPC Class Codes: A61M 25/0084 being one or more injection needles
• CPC Class Codes: A61M 25/0136 Handles therefor
• CPC Class Codes: A61M 25/0138 having flexible regions as a result of weakened outer material, e.g. slots, slits, cuts, joints or coils
• CPC Class Codes: A61M 25/0141 having flexible regions as a result of using materials with different mechanical properties
• CPC Class Codes: A61M 25/0144 having flexible regions as a result of inner reinforcement means, e.g. struts or rods
• CPC Class Codes: A61M 25/0147 with movable mechanical means, e.g. pull wires
• CPC Class Codes: A61M 5/31531 Microsyringes, e.g. having piston bore diameter close or equal to needle shaft diameter

Abstract

A non-deforming deflectable multi-lumen catheter with an outer jacket having a deflectable distal end portion, an eccentric pull wire lumen, coil and shim embedded therein. The deflectable distal portion optionally having one or more transaxial notches in the external surface of the outer jacket. A functional device is disposed within the lumen of an inner tube substantially coaxial with the outer jacket of the catheter. The distal tip of the functional device egressible from the distal tip of the catheter, and upon deflection, automatically aligns with the distal tip of the catheter and functional device.

Claims

1. A non-deforming catheter apparatus comprising:

a deflection and translation mechanism;

a hollow outer jacket having a deflectable distal portion and an at least partially embedded pull wire lumen and coupled at a proximal end to the deflection and translation mechanism;

a tip coupled to a distal end of the outer jacket;

an inner tube with lumen in the hollow of the outer jacket;

at least one functional device disposed in the lumen having a distal end extendable from the tip of the catheter;

a pull wire contained in the pull wire lumen having a distal end coupled to the tip and a proximal end coupled to the deflection mechanism, said pull wire effecting non-deforming deflection of the deflectable distal portion of the outer jacket and functional device therein by movement of the deflection mechanism, wherein the deflectable portion bends up to about 270 degrees;

a coil embedded in the deflectable portion of the outer jacket;

one or more notches in an outer surface of the outer jacket and aligned with the pull wire in which the pull wire lumen has a proximal end embedded in the inner tube and a distal end at least partially embedded in the deflectable distal portion of the outer jacket; and

a relative movement compensation mechanism for maintaining alignment between the outer jacket and the functional device coupled to the deflection mechanism whereby movement of the deflection mechanism causes simultaneous movement of the relative movement compensation mechanism.

2. The apparatus of claim 1 wherein the outer jacket is comprised of one or more polymers having one or more flexibility.

3. The apparatus of claim 2 wherein the proximal end of the outer jacket further comprises a braided construction.

4. The apparatus of claim 3 wherein a distal portion of the apparatus comprises one or more radio opaque materials.

5. The apparatus of claim 4 wherein the functional device is a laser energy delivery device.

6. The apparatus of claim 5 wherein the functional device further comprises a drug delivery device in combination with the laser energy delivery device.

7. The apparatus of claim 1 wherein the outer jacket is comprised of one or more polymers of having one or more flexibility.

8. The apparatus of claim 7 wherein the proximal end of the outer jacket further comprises a braided construction.

9. The apparatus of claim 8 wherein a distal portion of the apparatus comprises one or more radio opaque materials.

10. The apparatus of claim 9 wherein the functional device is a laser energy delivery device.

11. The apparatus of claim 10 wherein the functional device further comprises a drug delivery device in combination with the laser energy delivery device.

12. A non-deforming catheter apparatus comprising:

a deflection and translation mechanism;

a hollow outer jacket having a deflectable distal portion and an at least partially embedded pull wire lumen and coupled at a proximal end to the deflection and translation mechanism;

a tip coupled to a distal end of the outer jacket;

an inner tube with lumen in the hollow of the outer jacket;

at least one functional device disposed in the lumen having a distal end extendable from the tip of the catheter;

a pull wire contained in the pull wire lumen having a distal end coupled to the tip and a proximal end coupled to the deflection mechanism, said pull wire effecting non-deforming deflection of the deflectable distal portion of the outer jacket and functional device therein by movement of the deflection mechanism, wherein the deflectable portion bends up to about 270 degrees;

a coil embedded in the deflectable portion of the outer jacket;

one or more notches in an outer surface of the outer jacket and aligned with the pull wire; and

a relative movement compensation mechanism for maintaining alignment between the outer jacket and the functional device coupled to the deflection mechanism whereby movement of the deflection mechanism causes simultaneous movement of the relative movement compensation mechanism.

13. The apparatus of claim 12 wherein the outer jacket is comprised of one or more polymers of having one or more flexibility.

14. The apparatus of claim 13 wherein the proximal end of the outer jacket further comprises a braided construction.

15. The apparatus of claim 14 wherein a distal portion of the apparatus comprises one or more radio opaque materials.

16. The apparatus of claim 15 wherein the functional device is a laser energy delivery device.

17. The apparatus of claim 16 wherein the functional device further comprises a drug delivery device in combination with the laser energy delivery device.

18. The apparatus of claim 12 wherein the outer jacket is comprised of one or more polymers of having one or more flexibility.

19. The apparatus of claim 18 wherein the proximal end of the outer jacket further comprises a braided construction.

20. The apparatus of claim 19 wherein a distal portion of the apparatus comprises one or more radio opaque materials.

21. The apparatus of claim 20 wherein the functional device is a laser energy delivery device.

22. The apparatus of claim 21 wherein the functional device further comprises a drug delivery device in combination with the laser energy delivery device.

23. The apparatus of claim 12 further comprising an at least partially embedded shim in the deflectable portion of the outer jacket.

24. The apparatus of claim 23 wherein the pull wire lumen has a proximal end embedded in the inner tube and a distal end at least partially embedded in the deflectable distal portion of the outer jacket.

25. A non-deforming catheter apparatus comprising:

a deflection and translation mechanism;

a hollow outer jacket having a deflectable distal portion and an at least partially embedded pull wire lumen and coupled at a proximal end to the deflection and translation mechanism;

a tip coupled to a distal end of the outer jacket;

an inner tube with lumen in the hollow of the outer jacket;

at least one functional device disposed in the lumen having a distal end extendable from the tip of the catheter;

a pull wire contained in the pull wire lumen having a distal end coupled to the tip and a proximal end coupled to the deflection mechanism, said pull wire effecting non-deforming deflection of the deflectable distal portion of the outer jacket and functional device therein by movement of the deflection mechanism, wherein the deflectable portion bends up to about 270 degrees; and

a coil embedded in the deflectable portion of the outer jacket;

wherein the translation mechanism is coupled to a drug delivery module, the functional device is a drug delivery tube with a piercing needle coupled to a distal end and further comprising a relative movement compensation mechanism for maintaining alignment between the outer jacket and the drug delivery tube coupled to the deflection mechanism whereby movement of the deflection mechanism causes simultaneous movement of the relative movement compensation mechanism.

26. The apparatus of claim 25 wherein the drug delivery tube is comprised of one or more polymers having one or more flexibility.

27. The apparatus of claim 26 wherein at least a portion of the drug delivery tube comprises a braided construction.

28.The apparatus of claim 25 further comprising a relative movement compensation mechanism for maintaining alignment between the outer jacket and the functional device coupled to the deflection mechanism whereby movement of the deflection mechanism causes simultaneous movement of the relative movement compensation mechanism.

33. The apparatus of claim 25 wherein the outer jacket is comprised of one or more polymers having one or more flexibility.

38. The apparatus of claim 25 further comprising a relative movement compensation mechanism for maintaining alignment between the outer jacket and the functional device coupled to the deflection mechanism whereby movement of the deflection mechanism causes simultaneous movement of the relative movement compensation mechanism.

44. The apparatus of claim 25 wherein the outer jacket is comprised of one or more polymers having one or more flexibility.

49. The apparatus of claim 25 further comprising one or more notches in an outer surface of the outer jacket and aligned with the pull wire.

28. The apparatus of claim 28 wherein the outer jacket is comprised of one or more polymers having one or more flexibility.

29. The apparatus of claim 29 wherein the proximal end of the outer jacket further comprises a braided construction.

30. The apparatus of claim 30 wherein a distal portion of the apparatus comprises one or more radio opaque materials.

31. The apparatus of claim 31 wherein the functional device is a laser energy delivery device.

32. The apparatus of claim 32 wherein the functional device further comprises a drug delivery device in combination with the laser energy delivery device.

34. The apparatus of claim 34 wherein the proximal end of the outer jacket further comprises a braided construction.

35. The apparatus of claim 35 wherein a distal portion of the apparatus comprises one or more radio opaque materials.

36. The apparatus of claim 36 wherein the functional device is a laser energy delivery device.

37. The apparatus of claim 37 wherein the functional device further comprises a drug delivery device in combination with the laser energy delivery device.

39. The apparatus of claim 39 wherein the outer jacket is comprised of one or more polymers having one or more flexibility.

40. The apparatus of claim 40 wherein the proximal end of the outer jacket further comprises a braided construction.

41. The apparatus of claim 41 wherein a distal portion of the apparatus comprises one or more radio opaque materials.

42. The apparatus of claim 42 wherein the functional device is a laser energy delivery device.

43. The apparatus of claim 43 wherein the functional device further comprises a drug delivery device in combination with the laser energy delivery device.

45. The apparatus of claim 45 wherein the proximal end of the outer jacket further comprises a braided construction.

46. The apparatus of claim 46 wherein a distal portion of the apparatus comprises one or more radio opaque materials.

47. The apparatus of claim 47 wherein the functional device is a laser energy delivery device.

48. The apparatus of claim 48 wherein the functional device further comprises a drug delivery device in combination with the laser energy delivery device.

50. A non-deforming catheter apparatus comprising:

a deflection and translation mechanism;

a hollow outer jacket having a deflectable distal portion and an at least partially embedded pull wire lumen and coupled at a proximal end to the deflection and translation mechanism;

a tip coupled to a distal end of the outer jacket;

an inner tube with lumen in the hollow of the outer jacket;

at least one functional device disposed in the lumen having a distal end extendable from the tip of the catheter;

a pull wire contained in the pull wire lumen having a distal end coupled to the tip and a proximal end coupled to the deflection mechanism, said pull wire effecting non-deforming deflection of the deflectable distal portion of the outer jacket and functional device therein by movement of the deflection mechanism, wherein the deflectable portion bends up to about 270 degrees; and

one or more notches in an outer surface of the outer jacket and aligned with the pull wire;

wherein the pull wire lumen has a proximal end embedded in the inner tube and a distal end at least partially embedded in the deflectable distal portion of the outer jacket.

51. The apparatus of claim 51 further comprising a relative movement compensation mechanism for maintaining alignment between the outer jacket and the functional device coupled to the deflection mechanism whereby movement of the deflection mechanism causes simultaneous movement of the relative movement compensation mechanism.

57. The apparatus of claim 51 wherein the outer jacket is comprised of one or more polymers having one or more flexibility.

62. The apparatus of claim 51 further comprising a relative movement compensation mechanism for maintaining alignment between the outer jacket and the functional device coupled to the deflection mechanism whereby movement of the deflection mechanism causes simultaneous movement of the relative movement compensation mechanism.

68. The apparatus of claim 51 wherein the outer jacket is comprised of one or more polymers having one or more flexibility.

52. The apparatus of claim 52 wherein the outer jacket is comprised of one or more polymers having one or more flexibility.

53. The apparatus of claim 53 wherein the proximal end of the outer jacket further comprises a braided construction.

54. The apparatus of claim 54 wherein a distal portion of the apparatus comprises one or more radio opaque materials.

55. The apparatus of claim 55 wherein the functional device is a laser energy delivery device.

56. The apparatus of claim 56 wherein the functional device further comprises a drug delivery device in combination with the laser energy delivery device.

58. The apparatus of claim 58 wherein the proximal end of the outer jacket further comprises a braided construction.

59. The apparatus of claim 59 wherein a distal portion of the apparatus comprises one or more radio opaque materials.

60. The apparatus of claim 60 wherein the functional device is a laser energy delivery device.

61. The apparatus of claim 61 wherein the functional device further comprises a drug delivery device in combination with the laser energy delivery device.

63. The apparatus of claim 63 wherein the outer jacket is comprised of one or more polymers having one or more flexibility.

64. The apparatus of claim 64 wherein the proximal end of the outer jacket further comprises a braided construction.

65. The apparatus of claim 65 wherein a distal portion of the apparatus comprises one or more radio opaque materials.

66. The apparatus of claim 66 wherein the functional device is a laser energy delivery device.

67. The apparatus of claim 67 wherein the functional device further comprises a drug delivery device in combination with the laser energy delivery device.

69. The apparatus of claim 69 wherein the proximal end of the outer jacket further comprises a braided construction.

70. The apparatus of claim 70 wherein a distal portion of the apparatus comprises one or more radio opaque materials.

71. The apparatus of claim 71 wherein the functional device is a laser energy delivery device.

72. The apparatus of claim 72 wherein the functional device further comprises a drug delivery device in combination with the laser energy delivery device.