Electro-mechanical surgical device

• US 6,846,307 B2
• Filed: 09/27/2002
• Issued: 01/25/2005
• 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): Flanagan, Beverly M.
• Application Number:
  US10/256,593
• Publication Number:
  US 20030050628A1
• Time in Patent Office: 851 Days
• Field of Search: 606/1, 600/117, 600/118, 128/898
• US Class Current: 606/1
• CPC Class Codes: A61B 10/0233 Pointed or sharp biopsy instruments
• CPC Class Codes: A61B 17/00 Surgical instruments, devices or methods, e.g. tourniquets A61B18/00 takes precedence; contraceptive devices, pessaries, or applicators therefor A61F6/00; eye surgery A61F9/007; ear surgery A61F11/00
• CPC Class Codes: A61B 17/00234 for minimally invasive surgery A61B17/0218, A61B17/0469, A61B17/12013, A61B17/1285, A61B17/29, A61B17/320016 take precedence
• CPC Class Codes: A61B 17/00491 Surgical glue applicators surgical adhesives A61L24/00; two-component delivery syringes A61M5/19
• 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 17/07207 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
• CPC Class Codes: A61B 2017/00473 Distal part, e.g. tip or head A61B2017/00464 takes precedence
• CPC Class Codes: A61B 2017/00482 with a code
• CPC Class Codes: A61B 2017/00734 : battery operated
• CPC Class Codes: A61B 2017/07214 : Stapler heads
• CPC Class Codes: A61B 2017/0725 : with settable gap between anvil and cartridge, e.g. for different staple heights at different shots
• CPC Class Codes: A61B 2017/07271 : characterised by its cartridge
• CPC Class Codes: A61B 2017/2905 : flexible
• CPC Class Codes: A61B 2017/2927 : the angular position of the head being adjustable with respect to the shaft
• CPC Class Codes: A61B 2017/2943 : Toothed members, e.g. rack and pinion
• CPC Class Codes: A61B 2017/320052 : Guides for cutting instruments
• CPC Class Codes: A61B 2017/32113 : with extendable or retractable guard or blade
• CPC Class Codes: A61B 2034/2059 : Mechanical position encoders
• CPC Class Codes: A61B 2034/301 : for introducing or steering flexible instruments inserted into the body, e.g. catheters or endoscopes
• CPC Class Codes: A61B 34/20 : Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
• 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. An electro-mechanical surgical device, comprising:

an elongated shaft;

at least one axially rotatable drive shaft disposed within the elongated shaft;

a surgical instrument configured to detachably couple to a distal end of the elongated shaft and including at least one element driven by the at least one drive shaft;

a sensor configured to detect the rotation of the at least one drive shaft; and

a control system configured to determine a position of the element in accordance with the rotation of the at least one drive shaft detected by the sensor.

2. The electro-mechanical surgical device according to claim 1, wherein the sensor includes at least one of an optical device and a Hall-effect device.

3. The electro-mechanical surgical device according to claim 1, wherein the sensor is configured to detect at least one of a rotational position and a direction of rotation of the at least one drive shaft.

4. The electro-mechanical surgical device according to claim 3, wherein the control system is configured to determine a position of the at least one element of the surgical instrument in accordance with the detected at least one of the rotational position and the direction of rotation of the at least one drive shaft.

5. The electro-mechanical surgical device according to claim 1, wherein the surgical instrument includes a surgical stapled/cutter instrument.

6. The electro-mechanical surgical device according to claim 5, wherein the surgical stapler/cutter instrument includes an anvil portion and a staple driver/cutter portion.

7. The electro-mechanical surgical device according to claim 6, wherein the electro-mechanical surgical device includes a first axially rotatable drive shaft disposed within the elongated shaft and a second axially rotatable drive shaft disposed within the elongated shaft, the first drive shaft being configured to open and close the anvil portion and the second drive shaft being configured to drive the staple driver/cutter portion.

8. The electro-mechanical surgical device according to claim 7, further comprising a first sensor configured to detect the rotation of the first drive shaft and a second sensor configured to detect the rotation of the second drive shaft.

9. The electro-mechanical surgical device according to claim 1, further comprising a first axially rotatable drive shaft disposed within the elongated shaft and a second axially rotatable drive shaft disposed within the elongated shaft.

10. The electro-mechanical surgical device according to claim 9, further comprising a first sensor configured to detect the rotation of the first drive shaft and a second sensor configured to detect the rotation of the second drive shaft.

11. The electro-mechanical surgical device according to claim 1, further comprising at least one operating program, the control system executing the at least one operating program in accordance with the detected rotation of the at least one drive shaft.

12. The electro-mechanical surgical device according to claim 1, further comprising a display device configured to display at least one message in accordance with at least one of an operation and a status of the electro-mechanical surgical device.

13. The electro-mechanical surgical device according to claim 12, wherein the at least one message is displayable in a selected one of a plurality of languages.

14. The electro-mechanical surgical device according to claim 13, further comprising a switch device configured to select the one of the plurality of languages.

15. The electro-mechanical surgical device according to claim 14, wherein the switch device includes a DIP switch.

16. The electro-mechanical surgical device according to claim 1, wherein each of the drive shafts is contained within a respective sheath.

17. The electro-mechanical surgical device according to claim 11, further comprising a display device configured to display at least one message in accordance with the at least one operating program.

18. The electro-mechanical surgical device according to claim 1, further comprising at least one indicator device configured to provide an indication of at least one of an operation and a status of the electro-mechanical surgical device.

19. The electro-mechanical surgical device according to claim 18, wherein at least one of the at least one indicator devices is a visual indicator device.

20. The electro-mechanical surgical device according to claim 18, wherein at least one of the at least one indicator devices is an audio indicator device.