Uterus maneuvering and associated apparatus and method, with controlled drive

• US 5,556,401 A
• Filed: 07/20/1995
• Issued: 09/17/1996
• Est. Priority Date: 05/23/1995
• Status: Expired due to Term

• Current Assignee: Caillouette, James C.
• Original Assignee: Caillouette, James C.
• Inventors: Caillouette, James C.
• Primary Examiner(s): Hafer, Robert A.
• Assistant Examiner(s): KOO, BENJAMIN K
• Application Number:
  US08/504,899
• Time in Patent Office: 425 Days
• Field of Search: 606/119, 606/193, 606/1, 604/55
• US Class Current: 606/119
• CPC Class Codes: A61B 17/4241 Instruments for manoeuvring or retracting the uterus, e.g. during laparoscopic surgery

Abstract

A uterus maneuvering apparatus comprising a lengthwise elongated boom, and a strut carried at one end of the boom to be pivoted relative to the boom, the strut and boom adapted to be inserted via the vaginal canal to locate the strut to project in the uterine cavity; actuator structure associated with the boom and strut for effecting controlled pivoting of the strut and worm gear mechanism through which drive to effect said pivoting is effected. Control structure may be provided for controlling the actuator structure, and including a servo system having an extra-corporeal manual control structure, for coupling between the manual control structure and actuator structure, the coupling including electrical signal transmission structure.

Claims

1. In a uterus maneuvering apparatus, the combination comprising:

a) a lengthwise elongated boom, and a strut carried at one end of the boom to be pivoted relative to the boom, the strut and boom adapted to be inserted via the vaginal canal to locate the strut to project into the uterine cavity,

b) actuator means associated with the boom and strut for effecting controlled pivoting of the strut about a first axis and the boom about a second axis, said axes being relatively perpendicular,

c) said actuator means including worm gear mechanism through which said controlled pivoting is effected,

d) control means for controlling said actuator means, and including a servo system having an extra-corporeal manual control means, for coupling between said manual control means and actuator means, said coupling including electrical signal transmission means,

e) said actuator means including;

i) a first electrically responsive actuator to affect pivoting of the strut about said first axis, through a first section of said worm gear mechanism, and

ii) a second electrically responsive actuator to effect pivoting of the boom, about said second axis, through a second section of said worm gear mechanism,

f) and including a rotary link extending within the boom and coupling between the first actuator and said strut.

2. The combination of claim 1 wherein said coupling includes a radio signal transmission link.

3. The combination of claim 1 wherein said coupling includes electrical wiring.

4. The combination of claim 1 including a support structure for said boom to orient the boom in selected position with said strut inserted into the uterus for pivoting therein.

5. The combination of claim 1 wherein said worm gear mechanism includes worm gear elements located between the strut and said rotary link.

6. The combination of claim 5 wherein said support structure includes a support housing from which the boom extends, and a support stand for said housing, said support stand adapted to be anchored.

7. The combination of claim 1 wherein the second actuator is coupled to the boom to rotate the boom and strut about said second axis.

8. The combination of claim 1 wherein said manual control means includes a first manual control movable to effect servo-controlled operation of the first actuator.

9. The combination of claim 8 wherein said manual control means includes a second manual control movable to effect servo-controlled operation of the second actuator.

10. The combination of claim 9 wherein said first and second manual controls include at least one joystick.

11. The combination of claim 1 including an inflatable balloon carried by said strut to be inflated within the uterus, for maneuvering the uterus in accordance with movement of the strut.

12. The combination of claim 11 including a duct extending along the boom and to said balloon.

13. The combination of claim 1 including a fluid injection duct extending along the boom and to the strut for injecting examination or treatment fluid into the uterus.

14. The combination of claim 1 including manual control means coupled to said boom and strut to override operation of said actuators.

22. The method of claim 1 including coupling the second actuator to the boom to rotate the boom and strut about said second axis.

15. In a uterus maneuvering method, the steps that include:

a) providing a lengthwise elongated boom, and a strut carried at one end of the boom to be pivoted relative to the boom, and inserting the strut and boom via the vaginal cavity to locate the strut to project in the uterine cavity,

b) providing actuator means associated with the boom and strut for transmitting drives effecting controlled pivoting of the strut and boom, and

c) providing worm gear mechanism through which said drives are effected,

d) said actuator means provided to include;

i) a first electrically responsive actuator to affect pivoting of the strut about a first axis, and

ii) a second electrically responsive actuator to effect pivoting of the boom about a second axis,

e) and providing a rotary link extending within the boom and coupling between the first actuator and said strut.

16. The method of claim 15 including providing control means for controlling said actuator means, and including a servo system having an extra-corporeal manual control means, for coupling between said manual control means and actuator means, said coupling including electrical signal transmission means, and operating said servo system to maneuver the uterus.

17. The method of claim 15 wherein said coupling includes a radio signal transmission link, and including transmitting radio signals in response to operation of said servo system.

18. The method of claim 15 wherein said coupling includes electrical wiring, and including transmitting electrical signals via said wiring, in response to operation of said servo system.

19. The method of claim 15 including providing support structure for said boom, orienting the boom in selected position in the birth canal with said strut inserted into the uterus for pivoting therein.

20. The method of claim 15 wherein said support structure is provided to carry the boom for pivoting about an axis extending lengthwise at the boom.

21. The method of claim 19 wherein said support structure includes a support housing from which the boom extends, and a support stand for said housing, and including controllably anchoring said support stand to orient the boom in said selected position.

23. The method of claim 16 wherein said manual control means is provided to include a first manual control movable to effect servo-controlled operation of the first actuator.

24. The method of claim 23 wherein said manual control means is provided to include a second manual control movable to effect servo-controlled operation of the second actuator.

25. The method of claim 24 wherein said first and second manual controls are provided to include at least one joystick.

26. The method of claim 15 including providing an inflatable balloon carried by said strut to be inflated within the uterus, for maneuvering the uterus in accordance with movement of the strut.

27. The method of claim 24 including providing a pressurization duct extending along the boom and to said balloon.

28. The method of claim 15 including providing a fluid injection duct extending along the boom and to the strut for injecting treatment fluid into the uterus.

29. In apparatus insertible into and maneuverable within the uterus, the combination comprising:

a) a lengthwise elongated first means insertible via the vaginal canal to locate an end portion of said means to project in the uterine cavity,

b) actuator means associated with said first means for producing drive effecting controlled maneuvering of said end portion in the uterus, and worm gear mechanism through which said drive is effected,

c) and control means for controlling said actuator means, and including a servo system having an extra-corporeal manual control means, for coupling between said manual control means and actuator means, said coupling including electrical signal transmission means,

d) said first means including a boom, and there being a rotary link means at least part of which extends within the boom for coupling between said actuator means and said end portion.

30. The combination of claim 29 wherein said coupling includes a radio signal transmission link.

31. The combination of claim 29 wherein said coupling includes electrical wiring.

32. The combination of claim 29 including fluid injection means carried by said first means, for injecting fluid into the uterus.

36. The combination of claim 30 wherein said worm gear mechanism includes worm gear elements located between the strut and said rotary link.

37. The combination of claim 36 wherein said support structure includes a support housing from which the boom extends, and a support stand for said housing, said support stand adapted to be anchored.

41. The combination of claim 30 including an inflatable balloon carried by said strut to be inflated within the cavity, for maneuvering body tissue in accordance with movement of the strut.

42. The combination of claim 41 including a duct extending along the boom and to said balloon.

43. The combination of claim 30 including a fluid injection duct extending along the boom and to the strut for injecting examination or treatment fluid into the cavity.

44. The combination of claim 30 including manual control means coupled to said boom and strut to override operation of said actuators.

33. In body tissue maneuvering apparatus, the combination comprising:

a) a lengthwise elongated boom, and a strut carried at one end of the boom to be pivoted relative to the boom, the strut and boom adapted to be inserted via a body opening to locate the strut to project into a body cavity,

b) actuator means associated with the boom and strut for effecting controlled pivoting of the strut about a first axis and the boom about a second axis, said axes being relatively perpendicular,

c) said actuator means including worm gear mechanism through which said controlled pivoting is effected,

d) control means for controlling said actuator means, and including a servo system having an extra-corporeal manual control means, for coupling between said manual control means and actuator means, said coupling including electrical signal transmission means,

e) said actuator means including;

i) a first electrically responsive actuator to affect pivoting of the strut about said first axis, through a first section of said worm gear mechanism, and

ii) a second electrically responsive actuator to effect pivoting of the boom, about said second axis, through a second section of said worm gear mechanism,

f) and including a rotary link extending within the boom and coupling between the first actuator and said strut.

34. The combination of claim 33 wherein said coupling includes a radio signal transmission link.

35. The combination of claim 33 including a support structure for said boom to orient the boom in selected position with said strut inserted into the cavity for pivoting therein.

38. The combination of claim 33 wherein said manual control means includes a first manual control movable to effect servo-controlled operation of the first actuator.

39. The combination of claim 38 wherein said manual control means includes a second manual control movable to effect servo-controlled operation of the second actuator.

40. The combination of claim 39 wherein said first and second manual controls include at least one joystick.

45. In body tissue maneuvering method, the steps that include:

a) providing a lengthwise elongated boom, and a strut carried at one end of the boom to be pivoted relative to the boom, and inserting the strut and boom via a body cavity to locate the strut to project in the cavity, the body tissue associated with the cavity,

b) providing actuator means associated with the boom and strut for transmitting drives effecting controlled pivoting of the strut and boom, and

c) providing worm gear mechanism through which said drives are effected,

d) said actuator means provided to include;

i) a first electrically responsive actuator to affect pivoting of the strut about a first axis, and

ii) a second electrically responsive actuator to effect pivoting of the boom about a second axis,

e) and providing a rotary link extending within the boom and coupling between the first actuator and said strut.

46. The method of claim 45 including providing control means for controlling said actuator means, and including a servo system having an extra-corporeal manual control means, for coupling between said manual control means and actuator means, said coupling including electrical signal transmission means, and operating said servo system to maneuver the body tissue.

47. The method of claim 45 wherein said coupling includes a radio signal transmission link, and including transmitting radio signals in response to operation of said servo system.

48. The method of claim 45 including providing support structure for said boom, orienting the boom in selected position in the body opening with said strut inserted into the cavity for pivoting therein.

49. The method of claim 45 wherein said support structure is provided to carry the boom for pivoting about an axis extending lengthwise at the boom.

50. The method of claim 48 wherein said support structure includes a support housing from which the boom extends, and a support stand for said housing, and including controllably anchoring said support stand to orient the boom in said selected position.

51. The method of claim 50 including coupling the second actuator to the boom to rotate the boom and strut about said second axis.

52. The method of claim 46 wherein said manual control means is provided to include a first manual control movable to effect servo-controlled operation of the first actuator.

53. The method of claim 52 wherein said manual control means is provided to include a second manual control movable to effect servo-controlled operation of the second actuator.

54. The method of claim 53 wherein said first and second manual controls are provided to include at least one joystick.

55. The method of claim 45 including providing an inflatable balloon carried by said strut to be inflated within the cavity, for maneuvering the body tissue in accordance with movement of the strut.

56. The method of claim 55 including providing a duct extending along the boom and to said balloon.

57. The method of claim 55 including providing a fluid injection duct extending along the boom and to the strut for injecting treatment fluid into the cavity.