Surgical device

• US 20030130677A1
• Filed: 03/08/2002
• Published: 07/10/2003
• Est. Priority Date: 01/08/2002
• Status: Active Grant

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Tyco Healthcare Group LP (Medtronic Plc)
• Inventors: Whitman, Michael P., Burbank, John E.
• Granted Patent: US 8,016,855 B2
• Time in Patent Office: Days
• US Class Current: 606/167
• CPC Class Codes: A61B 17/068 Surgical staplers , e.g. containing multiple staples or clampsstaplers containing only one staple A61B17/10; magazines or containers for staples A61B17/105; for performing anastomosis A61B17/115; staplers in general B25C5/00
• CPC Class Codes: A61B 17/072 for applying a row of staples in a single action , e.g. the staples being applied simultaneously
• CPC Class Codes: A61B 17/285 combined with cutting implements
• CPC Class Codes: A61B 2017/003 Steerable
• CPC Class Codes: A61B 2017/00398 using powered actuators, e.g. stepper motors, solenoids
• CPC Class Codes: A61B 2017/00464 for use with different instruments with hole for different instruments A61B2017/22072
• CPC Class Codes: A61B 2017/00473 Distal part, e.g. tip or head A61B2017/00464 takes precedence
• CPC Class Codes: A61B 2017/00477 Coupling A61B2017/0046 takes precedence
• CPC Class Codes: A61B 2017/07214 Stapler heads
• CPC Class Codes: A61B 2017/320052 Guides for cutting instruments by marking A61B2090/395
• CPC Class Codes: A61B 34/30 Surgical robots
• CPC Class Codes: A61B 34/70 Manipulators specially adapted for use in surgery
• CPC Class Codes: A61B 34/71 Manipulators operated by drive cable mechanisms

Abstract

A surgical device includes a first jaw and a second jaw in opposed correspondence with the first jaw. A first driver is configured to cause relative movement of the first jaw and the second jaw in a plane. The first driver is configured to engage a drive shaft rotatable about a rotation axis arranged in non-parallel, e.g., perpendicular, correspondence to the plane. The device may also include a surgical member, e.g., a cutting and stapling element, disposed within the first jaw. A second driver is configured to cause relative movement of the surgical member in a direction parallel to the plane. The second driver is configured to engage a drive shaft rotatable about a rotation axis arranged in non-parallel correspondence to the plane.

Claims

1. A surgical device, comprising:

a first jaw;

a second jaw in opposed correspondence with the first jaw;

a first driver configured to cause relative movement of the first jaw and the second jaw in a plane, the first driver configured to engage a drive shaft rotatable about a rotation axis arranged in non-parallel correspondence to the plane.

2. The device of claim 1, further comprising:

a surgical member disposed within the first jaw; and

a second driver configured to cause relative movement of the surgical member in a direction parallel to the plane, the second driver configured to engage a drive shaft rotatable about a rotation axis arranged in non-parallel correspondence to the plane.

3. The device according to claim 2, wherein the surgical member includes a cutting element.

4. The device according to claim 2, wherein the surgical member includes a stapling element.

5. The device according to claim 2, wherein the surgical member includes a thrust plate to which is mounted a cutting element and a stapling element.

6. The device according to claim 1, further comprising an electro-mechanical driver configured to rotate the first rotatable drive shaft.

7. The device according to claim 1, wherein the rotation axis of the first rotatable drive shaft is perpendicular to the plane of the first and second jaws.

8. The device according to claim 1, wherein the first rotatable drive shaft is rotated in a first direction to effect extending of the jaws and rotated in a second direction opposite to the first direction to effect closing of the jaws.

9. The device according to claim 1, wherein the first driver includes at least two spur gears, a worm and a worm gear in turning and gearing relationship with each other, and an externally-threaded screw fixedly connected at one end to the worm gear and in engagement with an internally-threaded bore of the second jaw, the rotation of the gears thereby causing relative movement of the first jaw and the second jaw.

10. The device according to claim 2, further comprising an electro-mechanical driver configured to rotate the second rotatable drive shaft.

11. The device according to claim 2, wherein the rotation axis of the second rotatable drive shaft is perpendicular to the plane of the first and second jaws.

12. The device according to claim 11, wherein the second rotatable drive shaft is rotated in a first direction to extend the surgical member and rotated in a second direction opposite to the first direction to retract the surgical member.

13. The device according to claim 2, wherein the second driver includes two spur gears and a worm in turning and gearing relationship with each other and with a pair of additional worm gears, each of the pair of additional worm gears having a centrally-disposed, internally-threaded bore in engagement with one of a pair of externally-threaded screws fixedly connected the surgical member, the rotation of the gears thereby causing relative movement of the surgical member.

14. The device according to claim 2, further comprising an electro-mechanical driver including the first rotatable drive shaft adapted to drive the first driver and the second rotatable drive shaft adapted to drive the second driver.

15. The device according to claim 14, wherein the electro-mechanical driver includes at least one motor arrangement adapted to drive each of the first and second rotatable drive shafts.

16. The device according to claim 15, wherein the electro-mechanical driver includes a first motor arrangement adapted to drive the first rotatable drive shaft and a second motor arrangement adapted to drive the second rotatable drive shaft.

17. A surgical device, comprising:

a first drive shaft rotatable about a rotation axis;

a first jaw;

a second jaw in opposed correspondence with the first jaw; and

a first driver configured to cause relative movement of the first jaw and the second jaw in a plane and in accordance with the rotation of the first rotatable drive shaft, the plane and the rotation axis arranged in non-parallel correspondence.

18. The device of claim 17, further comprising:

a surgical member disposed within the first jaw; and

a second driver configured to cause relative movement of the surgical member in a direction parallel to the plane, the second driver configured to engage a drive shaft rotatable about a rotation axis arranged in non-parallel correspondence to the plane.

19. The device according to claim 18, wherein the surgical member includes a cutting element.

20. The device according to claim 18, wherein the surgical member includes a stapling element.

21. The device according to claim 18, wherein the surgical member includes a thrust plate to which is mounted a cutting element and a stapling element.

22. The device according to claim 17, further comprising an electro-mechanical driver configured to rotate the first rotatable drive shaft.

23. The device according to claim 17, wherein the rotation axis of the first rotatable drive shaft is perpendicular to the plane of the first and second jaws.

24. The device according to claim 23, wherein the first rotatable drive shaft is rotated in a first direction to effect extending of the jaws and rotated in a second direction opposite to the first direction to effect closing of the jaws.

25. The device according to claim 17, wherein the first driver includes at least two spur gears, a worm and a worm gear in turning and gearing relationship with each other, and an externally-threaded screw fixedly connected at one end to the worm gear and in engagement with an internally-threaded bore of the second jaw, the rotation of the gears thereby causing relative movement of the first jaw and the second jaw.

26. The device according to claim 18, further comprising an electro-mechanical driver configured to rotate the second rotatable drive shaft.

27. The device according to claim 26, wherein the rotation axis of the second rotatable drive shaft is perpendicular to the plane of the first and second jaws.

28. The device according to claim 27, wherein the second rotatable drive shaft is rotated in a first direction to extend the surgical member and rotated in a second direction opposite to the first direction to retract the surgical member.

29. The device according to claim 18, wherein the second driver includes two spur gears and a worm in turning and gearing relationship with each other and with a pair of additional worm gears, each of the pair of additional worm gears having a centrally-disposed, internally-threaded bore in engagement with one of a pair of externally-threaded screws fixedly connected the surgical member, the rotation of the gears thereby causing relative movement of the surgical member.

30. The device according to claim 18, further comprising an electro-mechanical driver including the first rotatable drive shaft adapted to drive the first driver and the second rotatable drive shaft adapted to drive the second driver.

31. The device according to claim 30, wherein the electro-mechanical driver includes at least one motor arrangement adapted to drive each of the first and second rotatable drive shafts.

32. The device according to claim 31, wherein the electro-mechanical driver includes a first motor arrangement adapted to drive the first rotatable drive shaft and a second motor arrangement adapted to drive the second rotatable drive shaft.

33. The device according to claim 31, further comprising a control system configured to control the motor system.

34. The device according to claim 33, wherein the control system is disposed within a housing.

35. The device according to claim 34, further comprising a remote control unit configured to communicate with the control system to control the motor system via the control system.

36. The device according to claim 35, wherein the remote control unit includes at least one of a wired remote control unit and a wireless remote control unit.

37. The device according to claim 33, further comprising a sensor corresponding to the first rotatable drive shaft, the sensor outputting a signal in response to and corresponding to a rotation of the first rotatable drive shaft.

38. The device according to claim 37, wherein the control system is configured to determine, based on the output signal of the sensor, at least one of a rotational position and a direction of rotation of the first rotatable drive shaft.

39. The device according to claim 33, wherein the control system includes a first memory unit.

40. The device according to claim 39, wherein the first memory unit is configured to store a plurality of operating programs, at least one of the operating programs corresponding to the cutting and stapling device attached to the distal end of the elongated shaft.

41. The device according to claim 40, wherein the control system is configured to identify the surgical instrument attached to distal end of the elongated shaft as the cutting and stapling device, wherein the cutting and stapling device is one of a plurality of types of surgical instruments attachable to the distal end of the elongated shaft, the control system being configured to at least one of read and select the operating program from the first memory unit corresponding to the cutting and stapling device.

42. The device according to claim 41, wherein the control system is configured to identify the cutting and stapling device as the type of surgical instrument attached to the elongated shaft in accordance with a data read from a second memory unit disposed within the cutting and stapling device.

43. The device according to claim 42, further comprising a data cable disposed within the elongated shaft, the data cable being logically and electrically coupled to the control system and being logically and electrically coupleable to the second memory unit.

44. A surgical device, comprising:

a motor;

a first drive shaft rotatable by the motor about a rotation axis;

a first jaw;

a second jaw in opposed correspondence with the first jaw; and

a first driver configured to cause relative movement of the first jaw and the second jaw in a plane and in accordance with the rotation of the first rotatable drive shaft, the plane and the rotation axis arranged in non-parallel correspondence.

45. A method of operating a surgical device, comprising the steps of:

rotating a first drive shaft about a rotation axis; and

moving a first jaw and a second jaw relative to each other in a plane and in accordance with the rotation of the first rotatable drive shaft, the plane arranged in non-parallel correspondence with the rotation axis.

46. The method according to claim 45, further comprising the steps of:

rotating a second drive shaft about a rotation axis; and

moving a surgical member disposed within the first jaw in a direction parallel to the plane and in accordance with the rotation of the second rotatable drive shaft.

47. The method according to claim 45, further comprising the steps of:

rotating a second drive shaft about a rotation axis; and

moving a surgical member, the surgical member disposed within the first jaw and having a cutting element mounted thereon, in a direction parallel to the plane and in accordance with the rotation of the second rotatable drive shaft.

48. The method according to claim 45, further comprising the steps of:

rotating a second drive shaft about a rotation axis; and

moving a surgical member, the surgical member disposed within the first jaw and having a stapling element mounted thereon, in a direction parallel to the plane and in accordance with the rotation of the second rotatable drive shaft.

49. The method according to claim 45, wherein the first jaw and a second jaw are moved relative to each other in a plane, the plane arranged in perpendicular correspondence with the rotation axis.

50. The method according to claim 46, wherein the surgical member is moved in a direction parallel to the plane, the plane arranged in perpendicular correspondence with the rotation axis.

51. The method according to claim 45, wherein the first rotatable drive shaft is rotated by an electro-mechanical driver.

52. The method according to claim 46, wherein the second rotatable drive shaft is rotated by an electro-mechanical driver.