Electrode array for use in medical stimulation and methods thereof

• US 20050038489A1
• Filed: 08/14/2003
• Published: 02/17/2005
• Est. Priority Date: 08/14/2003
• Status: Abandoned Application

• Current Assignee: Case Western Reserve University
• Original Assignee: Case Western Reserve University
• Inventors: Grill, Warren M.
• Application Number:
  US10/641,188
• Publication Number:
  US 20050038489A1
• Time in Patent Office: Days
• US Class Current: 607/116
• CPC Class Codes: A61N 1/05 for implantation or insertion into the body, e.g. heart electrode A61N1/06 takes precedence
• CPC Class Codes: A61N 1/0551 Spinal or peripheral nerve electrodes
• CPC Class Codes: A61N 1/0553 Paddle shaped electrodes, e.g. for laminotomy

Abstract

An electrode array for use in medical stimulation includes one or more electrodes along an array body and one or more leads. Each of the electrodes has one or more conductive sections and each of the conductive sections has an outer surface which is substantially exposed from the array body for coupling to tissue. At least one of the electrodes has at least one of: adjacent pairs of the conductive sections separated by an insulating section; the conductive section having at least one portion which is spaced in from other portions of the conductive section and which substantially extends all the way around or all along a length of the conductive section; at least one substantially non-planar end; and a substantially planar shape with a substantially non-linear outer edge. Each of the electrodes has at least one of the leads coupled to each of the conductive sections of the electrode.

Claims

1. An electrode array for use in medical stimulation, the array comprising:

an array body;

one or more electrodes along the array body, each of the electrodes having one or more conductive sections, each of the conductive sections having an outer surface which is substantially exposed from the array body for coupling to tissue, and at least one of the electrodes having at least one of;

adjacent pairs of the conductive sections separated by an insulating section;

one of the conductive sections with at least one portion which is spaced in from other portions of the conductive section and which substantially extends all the way around or all along a length of the conductive section;

at least one substantially non-planar end; and

a substantially planar shape with a substantially non-linear outer edge; and

one or more leads, wherein each of the electrodes has at least one of the leads coupled to each of the conductive sections of the electrode.

2. The array as set forth in claim 1 wherein an end of one of the conductive sections adjacent one of the insulating sections is substantially planar.

3. The array as set forth in claim 1 wherein an end of one of the conductive sections adjacent one of the insulating sections is substantially non-planar.

4. The array as set forth in claim 3 wherein the substantially non-planar end has a substantially serpentine shape.

5. The array as set forth in claim 1 wherein the conductive section having at least one portion which is spaced in from other portions of the conductive section and which substantially extends all the way around or all along an entire length of the conductive section is at least one of dumbbell shaped, sinusoidal shaped, and cog cross-sectional shape.

6. The array as set forth in claim 1 wherein the substantially non-planar end has a substantially serpentine shape.

7. The array as set forth in claim 1 wherein the substantially planar shape with a substantially non-linear outer edge has a regular pattern.

8. The array as set forth in claim 1 wherein the substantially planar shape with a substantially non-linear outer edge has an irregular pattern.

9. A method for making an electrode array for use in medical stimulation, the method comprising:

providing one or more electrodes along an array body, each of the electrodes having one or more conductive sections, each of the conductive sections having an outer surface which is substantially exposed from the array body for coupling to tissue, and at least one of the electrodes having at least one of;

adjacent pairs of the conductive sections separated by an insulating section;

one of the conductive sections with at least one portion which is spaced in from other portions of the conductive section and which substantially extends all the way around or all along a length of the conductive section;

at least one substantially non-planar end; and

a substantially planar shape with a substantially non-linear outer edge; and

coupling at least one lead to each of the conductive sections of the electrode.

10. The method as set forth in claim 9 wherein an end of one of the conductive sections adjacent one of the insulating sections is substantially planar.

11. The method as set forth in claim 9 wherein an end of one of the conductive sections adjacent one of the insulating sections is substantially non-planar.

12. The method as set forth in claim 11 wherein the substantially non-planar end has a substantially serpentine shape.

13. The method as set forth in claim 9 wherein the conductive section having at least one portion which is spaced in from other portions of the conductive section and which substantially extends all the way around or all along an entire length of the conductive section is at least one of dumbbell shaped, sinusoidal shaped, and cog cross-sectional shape.

14. The method as set forth in claim 9 wherein the substantially non-planar end has a substantially serpentine shape.

15. The method as set forth in claim 9 wherein the substantially planar shape with a substantially non-linear outer edge has a regular pattern.

16. The method as set forth in claim 9 wherein the substantially planar shape with a substantially non-linear outer edge has an irregular pattern.

17. A method for providing medical stimulation, the method comprising:

coupling an electrode array comprising one or more electrodes along an array body to tissue, each of the electrodes having one or more conductive sections, at least one of the electrodes having at least one of;

adjacent pairs of the conductive sections separated by an insulating section;

one of the conductive sections with at least one portion which is spaced in from other portions of the conductive section and which substantially extends all the way around or all along a length of the conductive section;

at least one substantially non-planar end; and

a substantially planar shape with a substantially non-linear outer edge; and

applying one or more electrical pulses to each of the electrodes.

18. The method as set forth in claim 17 wherein an end of one of the conductive sections adjacent one of the insulating sections is substantially planar.

19. The method as set forth in claim 17 wherein an end of one of the conductive sections adjacent one of the insulating sections is substantially non-planar.

20. The method as set forth in claim 19 wherein the substantially non-planar end has a substantially serpentine shape.

21. The method as set forth in claim 17 wherein the conductive section having at least one portion which is spaced in from other portions of the conductive section and which substantially extends all the way around or all along an entire length of the conductive section is at least one of dumbbell shaped, sinusoidal shaped, and cog cross-sectional shape.

22. The method as set forth in claim 17 wherein the substantially non-planar end has a substantially serpentine shape.

23. The method as set forth in claim 17 wherein the substantially planar shape with a substantially non-linear outer edge has a regular pattern.

24. The method as set forth in claim 17 wherein the substantially planar shape with a substantially non-linear outer edge has an irregular pattern.

25. An electrode array for use in medical stimulation, the array comprising:

an array body;

one or more electrodes along the array body, each of the electrodes having one or more conductive sections, each of the conductive sections having an outer surface which is substantially exposed from the array body for coupling to tissue, and at least one of the electrodes having adjacent pairs of the conductive sections separated by an insulating section; and

one or more leads, wherein each of the electrodes has at least one of the leads coupled to each of the conductive sections of the electrode.

26. The array as set forth in claim 25 wherein an end of one of the conductive sections adjacent one of the insulating sections is substantially planar.

27. The array as set forth in claim 25 wherein an end of one of the conductive sections adjacent one of the insulating sections is substantially non-planar.

28. The array as set forth in claim 27 wherein the substantially non-planar end has a substantially serpentine shape.

29. A method for making an electrode array for use in medical stimulation, the method comprising:

providing one or more electrodes along an array body, each of the electrodes having one or more conductive sections, each of the conductive sections having an outer surface which is substantially exposed from the array body for coupling to tissue, and at least one of the electrodes having adjacent pairs of the conductive sections separated by an insulating section; and

coupling at least one lead to each of the conductive sections of the electrode.

30. The method as set forth in claim 29 wherein an end of one of the conductive sections adjacent one of the insulating sections is substantially planar.

31. The method as set forth in claim 29 wherein an end of one of the conductive sections adjacent one of the insulating sections is substantially non-planar.

32. The method as set forth in claim 31 wherein the substantially non-planar end has a substantially serpentine shape.

33. A method for providing medical stimulation, the method comprising:

coupling an electrode array comprising one or more electrodes along an array body to tissue, each of the electrodes having one or more conductive sections, at least one of the electrodes having adjacent pairs of the conductive sections separated by an insulating section; and

applying one or more electrical pulses to each of the electrodes.

34. The method as set forth in claim 33 wherein an end of one of the conductive sections adjacent one of the insulating sections is substantially planar.

35. The method as set forth in claim 33 wherein an end of one of the conductive sections adjacent one of the insulating sections is substantially non-planar.

36. The method as set forth in claim 35 wherein the substantially non-planar end has a substantially serpentine shape.

37. An electrode array for use in medical stimulation, the array comprising:

an array body;

one or more electrodes along the array body, each of the electrodes having one or more conductive sections, each of the conductive sections having an outer surface which is substantially exposed from the array body for coupling to tissue, and at least one of the electrodes having one of the conductive sections with at least one portion which is spaced in from other portions of the conductive section and which substantially extends all the way around or all along a length of the conductive section;

one or more leads, wherein each of the electrodes has at least one of the leads coupled to each of the conductive sections of the electrode.

38. The array as set forth in claim 37 wherein the conductive section having at least one portion which is spaced in from other portions of the conductive section and which substantially extends all the way around or all along an entire length of the conductive section is at least one of dumbbell shaped, sinusoidal shaped, and cog cross-sectional shape.

39. A method for making an electrode array for use in medical stimulation, the method comprising:

providing one or more electrodes along an array body, each of the electrodes having one or more conductive sections, each of the conductive sections having an outer surface which is substantially exposed from the array body for coupling to tissue, and at least one of the electrodes having one of the conductive sections with at least one portion which is spaced in from other portions of the conductive section and which substantially extends all the way around or all along a length of the conductive section; and

coupling at least one lead to each of the conductive sections of the electrode.

40. The method as set forth in claim 39 wherein the conductive section having at least one portion which is spaced in from other portions of the conductive section and which substantially extends all the way around or all along an entire length of the conductive section is at least one of dumbbell shaped, sinusoidal shaped, and cog cross-sectional shape.

41. A method for providing medical stimulation, the method comprising:

coupling an electrode array comprising one or more electrodes along an array body to tissue, each of the electrodes having one or more conductive sections, at least one of the electrodes having one of the conductive sections with at least one portion which is spaced in from other portions of the conductive section and which substantially extends all the way around or all along a length of the conductive section; and

applying one or more electrical pulses to each of the electrodes.

42. The method as set forth in claim 41 wherein the conductive section having at least one portion which is spaced in from other portions of the conductive section and which substantially extends all the way around or all along an entire length of the conductive section is at least one of dumbbell shaped, sinusoidal shaped, and cog cross-sectional shape.

43. An electrode array for use in medical stimulation, the array comprising:

an array body;

one or more electrodes along the array body, each of the electrodes having one or more conductive sections, each of the conductive sections having an outer surface which is substantially exposed from the array body for coupling to tissue, and at least one of the electrodes having at least one substantially non-planar end; and

one or more leads, wherein each of the electrodes has at least one of the leads coupled to each of the conductive sections of the electrode.

44. The array as set forth in claim 43 wherein the substantially non-planar end has a substantially serpentine shape.

45. A method for making an electrode array for use in medical stimulation, the method comprising:

providing one or more electrodes along an array body, each of the electrodes having one or more conductive sections, each of the conductive sections having an outer surface which is substantially exposed from the array body for coupling to tissue, and at least one of the electrodes having at least one substantially non-planar end; and

coupling at least one lead to each of the conductive sections of the electrode.

46. The method as set forth in claim 45 wherein the substantially non-planar end has a substantially serpentine shape.

47. A method for providing medical stimulation, the method comprising:

coupling an electrode array comprising one or more electrodes along an array body to tissue, each of the electrodes having one or more conductive sections, at least one of the electrodes having at least one substantially non-planar end; and

applying one or more electrical pulses to each of the electrodes.

48. The method as set forth in claim 47 wherein the substantially non-planar end has a substantially serpentine shape.

49. An electrode array for use in medical stimulation, the array comprising:

an array body;

one or more electrodes along the array body, each of the electrodes having one or more conductive sections, each of the conductive sections having an outer surface which is substantially exposed from the array body for coupling to tissue, and at least one of the electrodes having a substantially planar shape with a substantially non-linear outer edge; and

one or more leads, wherein each of the electrodes has at least one of the leads coupled to each of the conductive sections of the electrode.

50. The array as set forth in claim 49 wherein the substantially non-linear outer edge has a regular pattern.

51. The array as set forth in claim 49 wherein the substantially non-linear outer edge has an irregular pattern.

52. A method for making an electrode array for use in medical stimulation, the method comprising:

providing one or more electrodes along an array body, each of the electrodes having one or more conductive sections, each of the conductive sections having an outer surface which is substantially exposed from the array body for coupling to tissue, and at least one of the electrodes having a substantially planar shape with a substantially non-linear outer edge; and

coupling at least one lead to each of the conductive sections of the electrode.

53. The method as set forth in claim 52 wherein the substantially non-linear outer edge has a regular pattern.

54. The method as set forth in claim 52 wherein the substantially non-linear outer edge has an irregular pattern.

55. A method for providing medical stimulation, the method comprising:

coupling an electrode array comprising one or more electrodes along an array body to tissue, each of the electrodes having one or more conductive sections, at least one of the electrodes having a substantially planar shape with a substantially non-linear outer edge; and

applying one or more electrical pulses to each of the electrodes.

56. The method as set forth in claim 55 wherein the substantially non-linear outer edge has a regular pattern.

57. The method as set forth in claim 55 wherein the substantially non-linear outer edge has an irregular pattern.