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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0656257 (2012-10-19) |
| 등록번호 | US-9370358 (2016-06-21) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 213 인용 특허 : 2322 |
A surgical instrument is disclosed. The surgical instrument comprises a motor, an end effector, a drive shaft, and a closure trigger, wherein actuation of the closure trigger causes the end effector to clamp an object. The surgical instrument further comprises a firing trigger distinct from the clos
A surgical instrument is disclosed. The surgical instrument comprises a motor, an end effector, a drive shaft, and a closure trigger, wherein actuation of the closure trigger causes the end effector to clamp an object. The surgical instrument further comprises a firing trigger distinct from the closure trigger for actuating the motor, a run motor sensor capable of communicating with the motor and configured to sense actuation of the firing trigger, and a tactile feedback system for applying a feedback force to the firing trigger.
1. A surgical instrument comprising: a motor;an end effector;a drive shaft;a closure trigger, wherein actuation of the closure trigger causes the end effector to clamp an object;a firing trigger distinct from the closure trigger for actuating the motor;a run motor sensor capable of communicating wit
1. A surgical instrument comprising: a motor;an end effector;a drive shaft;a closure trigger, wherein actuation of the closure trigger causes the end effector to clamp an object;a firing trigger distinct from the closure trigger for actuating the motor;a run motor sensor capable of communicating with the motor and configured to sense actuation of the firing trigger; anda tactile feedback system for applying a feedback force to the firing trigger. 2. The surgical instrument of claim 1, further comprising a cutting instrument operably engaged with the drive shaft, wherein the feedback force applied to the firing trigger is related to a loading force experienced by the cutting instrument. 3. The surgical instrument of claim 2, wherein the tactile feedback system comprises a gear assembly attached to the drive shaft, wherein the firing trigger comprises a geared portion, and wherein the gear assembly is geared with the geared portion of the firing trigger. 4. The surgical instrument of claim 1, wherein the feedback force applied to the firing trigger is related to the speed of the motor. 5. The surgical instrument of claim 1, wherein the feedback force applied to the firing trigger is related to the position of a cutting instrument. 6. The surgical instrument of claim 5, wherein the tactile feedback system comprises: an encoder for sensing rotation of the drive shaft;a second motor operable at a speed related to the rotation of the drive shaft sensed by the encoder; andan actuating member connected to the second motor, wherein the actuating member applies force to the firing trigger. 7. The surgical instrument of claim 6, wherein the actuating member comprises a threaded rod. 8. The surgical instrument of claim 6, further comprising a control circuit for receiving signals from the encoder related to rotation of the drive shaft and for sending control signals to the second motor based on the signals received from the encoder. 9. The surgical instrument of claim 1, wherein the run motor sensor is configured to send a signal to the motor to rotate at a rate proportional to an actuation force applied to the firing trigger. 10. The surgical instrument of claim 1, wherein the run motor sensor comprises an on/off switch. 11. The surgical instrument of claim 1, wherein the end effector comprises a staple cartridge. 12. The surgical instrument of claim 1, wherein the end effector comprises a helical drive screw, wherein forward rotation of the helical drive screw causes a cutting instrument to undertake a cutting stroke, and wherein reverse rotation of the helical drive screw causes the cutting instrument to retract. 13. The surgical instrument of claim 1, wherein the drive shaft comprises articulation means for articulating the end effector. 14. The surgical instrument of claim 1, further comprising a handle comprising a locking system, wherein the locking system is configured to lock the closure trigger to the handle. 15. A surgical instrument comprising: an electric motor;an end effector configured to receive a firing member;a drive shaft;a closure trigger, wherein actuation of the closure trigger causes the end effector to clamp an object;a firing trigger distinct from the closure trigger for actuating the motor;a run motor sensor capable of communicating with the motor and configured to sense actuation of the firing trigger; anda haptic feedback system for positioning the firing trigger relative to the position of the firing member. 16. The surgical instrument of claim 15, wherein the end effector comprises a staple cartridge. 17. A surgical instrument comprising: an electric motor;an end effector configured to receive a cutting instrument;a drive shaft;a closure trigger, wherein actuation of the closure trigger causes the end effector to clamp an object;a firing trigger distinct from the closure trigger for actuating the motor;a run motor sensor capable of communicating with the motor and configured to sense actuation of the firing trigger; anda haptic feedback system for applying a feedback force to the firing trigger in relation to the position of the cutting instrument. 18. The surgical instrument of claim 17, wherein the end effector comprises a staple cartridge. 19. A surgical instrument comprising: an electric motor;an end effector configured to receive a cutting instrument;a drive shaft;a closure trigger, wherein actuation of the closure trigger causes the end effector to clamp an object;a firing trigger distinct from the closure trigger for actuating the motor;a run motor sensor capable of communicating with the motor and configured to sense actuation of the firing trigger; anda haptic feedback system for applying a feedback force to the firing trigger in relation to a loading force of the cutting instrument. 20. The surgical instrument of claim 19, wherein the end effector comprises a staple cartridge. 21. A surgical instrument comprising: an electric motor;an end effector configured to receive a cutting instrument;a drive shaft;a closure trigger, wherein actuation of the closure trigger causes the end effector to clamp an object;a firing trigger distinct from the closure trigger for actuating the motor;a run motor sensor capable of communicating with the motor and configured to sense actuation of the firing trigger; anda haptic feedback system for applying a feedback force to the firing trigger in relation to the speed of the motor. 22. The surgical instrument of claim 21, wherein the end effector comprises a staple cartridge. 23. A surgical instrument comprising: an electric motor rotatable in a firing direction;an end effector;a drive shaft;a closure trigger, wherein actuation of the closure trigger causes the end effector to clamp an object;a firing trigger for actuating the motor upon the application of an actuation force to the firing trigger, wherein the firing trigger is distinct from the closure trigger;a haptic feedback system for applying a feedback force to the firing trigger; anda run motor sensor capable of communicating with the motor, wherein the run motor sensor is configured to sense actuation of the firing trigger such that when the firing trigger is actuated, the run motor sensor signals the motor to rotate in the firing direction at a firing rate proportional to the actuation force applied to the firing trigger. 24. The surgical instrument of claim 23, wherein the end effector comprises a staple cartridge.
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