Electro-mechanical surgical device

• US 6,981,941 B2
• Filed: 04/17/2001
• Issued: 01/03/2006
• Est. Priority Date: 06/02/1999
• Status: Expired due to Term

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Power Medical Interventions, Inc. (Medtronic Plc)
• Inventors: Whitman, Michael P., Zeichner, David A., Burbank, John E.
• Primary Examiner(s): Sipos, John
• Assistant Examiner(s): Lopez, Michelle
• Application Number:
  US09/836,781
• Publication Number:
  US 20010031975A1
• Time in Patent Office: 1,722 Days
• Field of Search: 606/1, 606/41, 227/19, 227/175.1, 227/176.1, 600/1, 600/117, 600/118
• US Class Current: 600/1
• CPC Class Codes: A61B 10/0233 Pointed or sharp biopsy instruments
• 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 17/07207 the staples being applied sequentially
• CPC Class Codes: A61B 17/11 for performing anastomosis; Buttons for anastomosis
• CPC Class Codes: A61B 17/1114 of the digestive tract, e.g. bowels or oesophagus
• CPC Class Codes: A61B 17/115 Staplers for performing anastomosis in a single operation
• CPC Class Codes: A61B 2010/0208 Biopsy devices with actuators, e.g. with triggered spring mechanisms
• CPC Class Codes: A61B 2017/00022 Sensing or detecting at the treatment site
• CPC Class Codes: A61B 2017/00039 Electric or electromagnetic phenomena other than conductivity, e.g. capacity, inductivity, Hall effect
• CPC Class Codes: A61B 2017/00199 with a console, e.g. a control panel with a display
• CPC Class Codes: A61B 2017/003 Steerable
• CPC Class Codes: A61B 2017/00323 Cables or rods
• 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 2017/00734 battery operated
• CPC Class Codes: A61B 2017/2905 flexible
• CPC Class Codes: A61B 2017/2943 Toothed members, e.g. rack and pinion
• CPC Class Codes: A61B 2017/320052 Guides for cutting instruments by marking A61B2090/395
• CPC Class Codes: A61B 2017/32113 with extendable or retractable guard or blade
• CPC Class Codes: A61B 34/30 : Surgical robots
• CPC Class Codes: A61B 34/71 : Manipulators operated by drive cable mechanisms

Abstract

An electro-mechanical surgical device includes: a housing; an elongated shaft extending from the housing, a distal end of the elongated shaft being detachably coupleable to a surgical instrument; at least two axially rotatable drive shafts disposed within the elongated shaft, a distal end of each of the drive shafts being configured to couple with the surgical instrument; a steering cable arrangement, the steering cable arrangement being configured to steer the distal end of the elongated shaft; and a motor system disposed within the housing, the motor system being configured to drive the drive shafts and the steering cable arrangement. A control system may be provided for controlling the motor system. A remote control unit may also be provided for controlling the motor system via the control system. Sensors, such as optical or Hall-effect devices, may be provided for determining the position of the elements of the surgical instrument based on the detected rotation of the drive shafts. A memory unit stores a plurality of operating programs or algorithms, each corresponding to a type of surgical instrument attachable to the electro-mechanical surgical device. The control system reads or selects from the plurality of operating programs or algorithms, the operating program or algorithm corresponding to the type of surgical instrument attached to the electro-mechanical surgical device.

Claims

1. A surgical instrument system comprising a surgical instrument configured for complete insertion into a body for use with an electro-mechanical surgical device;

a coupling configured to couple the surgical instrument with the electro-mechanical surgical device;

a rotatable drive shaft within the coupling to enable the electro-mechanical device to operate the surgical device;

a sensor to enable detection of rotational movement of the rotatable drive shaft; and

a memory unit housed inside the surgical instrument, said memory unit configured to store data representing at least one parameter relating to the surgical instrument including usage data representing usage of the surgical instrument as reflected by the rotational movement detected by the sensor;

wherein the coupling includes a data connector configured to connect the memory unit with the electro-mechanical surgical device.

2. The surgical instrument system according to claim 1, comprising at least one connector configured to removably couple the surgical instrument with at least one drive shaft of the electro-mechanical surgical device.

3. The surgical instrument system according to claim 1, comprising a first connector and a second connector, each of the connectors being configured to removably couple the surgical instrument with a respective drive shaft of the electro-mechanical surgical device.

4. The surgical instrument system according to claim 1, wherein the data is readable by a control system of the electro-mechanical surgical device.

5. The surgical instrument system according to claim 1, wherein the data connector is configured to electrically and logically connect the memory unit to a control system of the electro-mechanical surgical device.

6. The surgical instrument system according to claim 1, wherein the coupling is configured to detachably attach the surgical instrument to the electro-mechanical surgical device.

7. The surgical instrument system according to claim 2, wherein the surgical instrument includes a surgical stapler and cutter instrument.

8. The surgical instrument system according to claim 7, wherein the surgical stapler and cutter instrument includes an anvil portion and a staple driver and cutter portion.

9. The surgical instrument system according to claim 8, wherein the surgical instrument comprises an anvil drive shaft configured to open and close the anvil portion and a stapler drive shaft configured to drive the staple driver and cutter portion.

10. The surgical instrument system according to claim 2, comprising:

at least one driven element; and

a gear arrangement configured to couple the drive shaft of the electro-mechanical surgical device to the at least one driven element, the gear arrangement being configured to convert a high-speed rotation of the drive shaft to drive the at least one driven element at a high-torque.

11. The surgical instrument system according to claim 1, wherein the at least one parameter includes at least one of a serial number data and a type of the surgical instrument.

45. The surgical instrument system according to claim 1, 12, 23 or 33 wherein the sensor is positioned relative to the surgical device to detect rotational movement of the rotatable drive shaft.

46. The surgical instrument system according to claim 1, 12, 23, or 33 wherein the sensor is disposed relative to the rotatable drive shaft to detect rotational movement of the rotatable drive shaft.

47. The surgical system according to claim 46 wherein the sensor detects the amount of rotational movement of the rotatable drive shaft.

48. The surgical instrument system according to claim 47 wherein the sensor detects the direction of rotational movement of the rotatable drive shaft.

12. A surgical instrument system comprising a surgical instrument configured for complete insertion into a body for use with an electro-mechanical surgical device;

a coupling configured to couple the surgical instrument with the electro-mechanical surgical device;

a rotatable drive shaft within the coupling to enable the electro-mechanical device to operate the surgical device;

a sensor to enable detection of rotational movement of the rotatable drive shaft; and

a memory unit housed inside the surgical instrument, said memory unit configured to store data representing a usage of the surgical instrument including usage data representing usage of the surgical instrument as reflected by the rotational movement detected by the sensor;

wherein the coupling includes a data connector configured to connect the memory unit with the electro-mechanical surgical device.

13. The surgical instrument system according to claim 12, comprising at least one connector configured to removably couple the surgical instrument with at least one drive shaft of the electro-mechanical surgical device.

14. The surgical instrument system according to claim 12, comprising a first connector and a second connector, each of the connectors being configured to removably couple the surgical instrument with a respective drive shaft of the electro-mechanical surgical device.

15. The surgical instrument system according to claim 12, wherein the data is readable by a control system of the electro-mechanical surgical device.

16. The surgical instrument system according to claim 15, wherein the control system is configured to limit usage of the surgical instrument in accordance with the usage data.

17. The surgical instrument system according to claim 12, wherein the data connector is configured to electrically and logically connect the memory unit to a control system of the electro-mechanical surgical device.

18. The surgical instrument system according to claim 12, wherein the coupling is configured to detachably attach the surgical instrument to the electro-mechanical surgical device.

19. The surgical instrument system according to claim 13, wherein the surgical instrument includes a surgical stapler and cutter instrument.

20. The surgical instrument system according to claim 19, wherein the surgical stapler and cutter instrument includes an anvil portion and a staple driver and cutter portion.

21. The surgical instrument system according to claim 20, wherein the surgical instrument comprises an anvil drive shaft configured to open and close the anvil portion and a stapler drive shaft configured to drive the staple driver and cutter portion.

22. The surgical instrument system according to claim 13, comprising:

at least one driven element; and

a gear arrangement configured to couple the drive shaft of the electro-mechanical surgical device to the at least one driven element, the gear arrangement being configured to convert a high-speed rotation of the drive shaft to drive the at least one driven element at a high-torque.

23. A surgical instrument system comprising a surgical instrument configured for complete insertion into a body for use with an electro-mechanical surgical device;

a coupling configured to couple the surgical instrument with the electro-mechanical surgical device;

a rotatable drive shaft within the coupling to enable the electro-mechanical device to operate the surgical device;

a sensor to enable detection of rotational movement of the rotatable drive shaft and a memory unit housed inside the surgical instrument, said memory unit configured to store data representing a serial number of the surgical instrument and usage data representing usage of the surgical instrument as reflected by the rotational movement detected by the sensor;

wherein the coupling includes a data connector configured to connect the memory unit with the electro-mechanical surgical device.

24. The surgical instrument system according to claim 23, comprising at least one connector configured to removably couple the surgical instrument with at least one drive shaft of the electro-mechanical surgical device.

25. The surgical instrument system according to claim 23, comprising a first connector and a second connector, each of the connectors being configured to removably couple the surgical instrument with a respective drive shaft of the electro-mechanical surgical device.

26. The surgical instrument system according to claim 23, wherein the data is readable by a control system of the electro-mechanical surgical device.

27. The surgical instrument system according to claim 23, wherein the data connector is configured to electrically and logically connect the memory unit to a control system of the electro-mechanical surgical device.

28. The surgical instrument system according to claim 23, wherein the coupling is configured to detachably attach the surgical instrument to the electro-mechanical surgical device.

29. The surgical instrument system according to claim 24, wherein the surgical instrument includes a surgical stapler and cutter instrument.

30. The surgical instrument system according to claim 29, wherein the surgical stapler and cutter instrument includes an anvil portion and a staple driver and cutter portion.

31. The surgical instrument system according to claim 30, wherein the surgical instrument comprises an anvil drive shaft configured to open and close the anvil portion and a stapler drive shaft configured to drive the staple driver and cutter portion.

32. The surgical instrument system according to claim 24, comprising:

at least one driven element; and

a gear arrangement configured to couple the drive shaft of the electro-mechanical surgical device to the at least one driven element, the gear arrangement being configured to convert a high-speed rotation of the drive shaft to drive the at least one driven element at a high-torque.

33. An electro-mechanical surgical system, comprising:

an electro-mechanical surgical device;

a surgical instrument configured for complete insertion into a body for use with the electro-mechanical surgical device;

at least one rotatable drive shaft removably attachable to the surgical instrument;

a motor arrangement configured to rotate the at least one rotatable drive shaft from a proximal end thereof;

a first gear arrangement cooperating with the rotatable drive shaft;

at least one element on the surgical instrument driven by the gear arrangement;

a sensor to enable detection of rotational movement of the rotatable drive shaft; and

a memory unit on the surgical instrument configured to store data representing at least one parameter relating to the surgical instrument including usage data representing usage of the surgical instrument as reflected by the rotational movement detected by the sensor, wherein the gear arrangement is configured to convert a high-speed rotation of the rotatable drive shaft to drive the at least one driven element at a high-torque.

34. The electro-mechanical surgical system according to claim 33, wherein the surgical instrument is removably attachable to the rotatable drive shaft, the surgical instrument including the at least one element.

35. The electro-mechanical surgical system according to claim 34, wherein the first gear arrangement is disposed in the surgical instrument.

36. The electro-mechanical surgical system according to claim 34, wherein the surgical instrument includes a circular surgical stapler attachment.

37. The electro-mechanical surgical system according to claim 36, wherein the at least one element includes at least one of an anvil of the circular surgical stapler attachment and a staple driver and cutter of the circular surgical stapler attachment.

38. The electro-mechanical surgical system according to claim 33, wherein the at least one rotatable drive shaft includes a first rotatable drive shaft and a second rotatable drive shaft, and wherein the at least one element includes a first element driven by the first rotatable drive shaft and a second element driven by the second rotatable drive shaft, and wherein the gear arrangement includes a first gear system configured to convert a high-speed rotation of the first rotatable drive shaft to drive the first driven element at a high-torque and a second gear system configured to convert a high-speed rotation of the second rotatable drive shaft to drive the second driven element at a high-torque.

39. The electro-mechanical surgical system according to claim 38, wherein the motor arrangement includes a first motor configured to rotate the first rotatable drive shaft and a second motor configured to rotate the second rotatable drive shaft.

40. The electro-mechanical surgical system according to claim 38, wherein the surgical instrument is removably connectible to a distal end of the first and second rotatable drive shafts, the surgical instrument including the first and second elements.

41. The electro-mechanical surgical system according to claim 40, wherein the first element includes an anvil and the second element includes a staple driver and cutter.

42. The electro-mechanical surgical system according to claim 33, comprising a second gear arrangement disposed between the motor arrangement and the at least one rotatable drive shaft, the second gear arrangement configured to convert a high torque transmitted by the motor arrangement to rotate the at least one rotatable drive shaft at a high speed.

43. The electro-mechanical surgical system according to claim 42, wherein each of the first gear arrangement and the second gear arrangement includes at least one of a spur gear arrangement, a planetary gear arrangement, a harmonic gear arrangement, a cycloidal drive arrangement and an epicyclic gear arrangement.

44. The electro-mechanical surgical system according to claim 33, wherein the first gear arrangement includes at least one of a spur gear arrangement, a planetary gear arrangement, a harmonic gear arrangement, a cycloidal drive arrangement and an epicyclic gear arrangement.