Multiple motor control for powered medical device

Patent metadata

Field	Value
Publication number	US-9788836-B2
Application number	US-201414479115-A
Country	US
Kind code	B2
Filing date	Sep 5, 2014
Priority date	Sep 5, 2014
Publication date	Oct 17, 2017
Grant date	Oct 17, 2017

Abstract

A surgical instrument includes an end effector with a first jaw and a second jaw. The instrument also includes a first drive assembly, a first motor coupled to the first drive assembly, a second drive assembly, a second motor coupled to the second drive assembly, a control module, and a closure trigger. The first motor is operable to motivate the first drive assembly, and the second motor is operable to motivate the second drive assembly. The control module is operably couplable to the first motor and the second motor. The closure trigger is movable during a closure stroke to transition the end effector to the approximated configuration, and to transition the control module from operable engagement with the first motor to operable engagement with the second motor.

First claim

What is claimed is:

1. A surgical instrument, comprising:
an end effector, comprising:
a first jaw; and
a second jaw, wherein at least one of the first jaw and the second jaw is movable relative to the other one of the first jaw and the second jaw between an open configuration and an approximated configuration;

a first drive assembly;
a first motor coupled to the first drive assembly, the first motor operable to motivate the first drive assembly;
a second drive assembly;
a second motor coupled to the second drive assembly, the second motor operable to motivate the second drive assembly;
a control module operably couplable to the first motor and the second motor; and
a closure trigger, wherein the closure trigger is movable during a closure stroke to simultaneously transition the end effector to the approximated configuration and transition the control module from operable engagement with the first motor to operable engagement with the second motor.

2. The surgical instrument of claim 1 , wherein the control module comprises a motor driver.

3. The surgical instrument of claim 2 , wherein the motor driver is electrically coupled to the first motor while the end effector is in the open configuration, and wherein the motor driver is electrically coupled to the second motor while the end effector is in the approximated configuration.

4. The surgical instrument of claim 2 , wherein the control module comprises a switch, wherein the switch is movable between a first position and a second position, wherein the switch, in the first position, electrically couples the motor driver to the first motor, and wherein the switch, in the second position, electrically couples the motor driver to the second motor.

5. The surgical instrument of claim 4 , wherein the closure trigger is operably coupled to the switch such that movement of the closure trigger transitions the switch between the first position and the second position.

6. The surgical instrument of claim 1 , wherein the first drive assembly comprises an articulation drive assembly operable to articulate the end effector.

7. The surgical instrument of claim 1 , wherein the second drive assembly comprises a firing drive assembly.

8. The surgical instrument of claim 1 , wherein the control module comprises a power source.

9. A surgical instrument, comprising:
a first drive assembly;
a first motor coupled to the first drive assembly, the first motor operable to motivate the first drive assembly;
a second drive assembly;
a second motor coupled to the second drive assembly, the second motor operable to motivate the second drive assembly;
a control module selectively switchable between interfacing with the first motor and interfacing with the second motor; and
a closure trigger, wherein the closure trigger is movable during a closure stroke to simultaneously transition an end effector from an open configuration to an approximated configuration and transition the control module from operable engagement with the first motor to operable engagement with the second motor.

10. The surgical instrument of claim 9 , wherein the first drive assembly comprises an articulation drive assembly operable to articulate the end effector.

11. The surgical instrument of claim 9 , wherein the second drive assembly comprises a firing drive assembly.

12. The surgical instrument of claim 9 , wherein the control module comprises a power source.

13. The surgical instrument of claim 9 , wherein the control module comprises a motor driver.

14. The surgical instrument of claim 13 , wherein the control module comprises a switch.

15. The surgical instrument of claim 14 , wherein the switch is movable between a first position and a second position, wherein the switch, in the first position, electrically couples the motor driver to the first motor, and wherein the switch, in the second position, electrically couples the motor driver to the second motor.

16. A surgical instrument, comprising:
an end effector;
a first drive assembly;
a first motor coupled to the first drive assembly, the first motor operable to motivate the first drive assembly;
a second drive assembly;
a second motor coupled to the second drive assembly, the second motor operable to motivate the second drive assembly;
a control module operably couplable to the first motor and the second motor; and
a trigger movable during a closure stroke to simultaneously transition the end effector from an open configuration to an approximated configuration and transition the control module from operable engagement with the first motor to operable engagement with the second motor.

17. The surgical instrument of claim 16 , wherein the first drive assembly comprises an articulation drive assembly operable to articulate the end effector.

18. The surgical instrument of claim 16 , wherein the end effector comprises a staple cartridge, wherein the staple cartridge includes a plurality of staples deployable into tissue captured by the end effector, wherein the second drive assembly comprises a firing drive assembly operable to deploy the plurality of staples.

19. The surgical instrument of claim 16 , wherein the control module comprises a power source.

Assignees

• Ethicon Endo Surgery Inc
• Ethicon Llc

Inventors

• Overmyer Mark D
• Swayze Jeffrey S
• Beckman Andrew T
• Schultz Darwin L
• Baber Daniel L
• Yates David C
• Nalagatla Anil K

Classifications

• H02J1/001

  Hot plugging or unplugging of load or power modules to or from power distribution networks · CPC title

• H02J7/865

  Battery or charger load switching, e.g. concurrent charging and load supply (H02J7/50 takes precedence) · CPC title

• H02J2105/46

  Medical devices, medical implants or life supporting devices · CPC title

• A61B17/105 Primary

  Wound clamp magazines (for packaging sharps A61B50/3001) · CPC title

• A61B2562/06

  Arrangements of multiple sensors of different types · CPC title