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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0958932 (2013-08-05) |
| 등록번호 | US-9517068 (2016-12-13) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 44 인용 특허 : 2490 |
A surgical instrument is disclosed. The surgical instrument comprises a handle, a shaft comprising a proximal portion extending from the handle and a distal portion, and a firing member. The surgical instrument further comprises a motor, wherein the motor is configured to be operated in a first dire
A surgical instrument is disclosed. The surgical instrument comprises a handle, a shaft comprising a proximal portion extending from the handle and a distal portion, and a firing member. The surgical instrument further comprises a motor, wherein the motor is configured to be operated in a first direction to advance the firing member toward the distal portion during a firing stroke, wherein the firing stroke comprises a firing stroke end, and wherein the motor is configured to be operated in a second direction to retract the firing member away from the distal portion. The surgical instrument further comprises a switch configured to detect when the firing member has reached the firing stroke end, wherein the motor is configured to be automatically operated in the second direction when the switch detects the firing stroke end.
1. A surgical instrument, comprising: a handle;a shaft, comprising: a proximal portion extending from said handle; anda distal portion;a firing member;a motor, wherein said motor is configured to be operated in a first direction to advance said firing member toward said distal portion during a firin
1. A surgical instrument, comprising: a handle;a shaft, comprising: a proximal portion extending from said handle; anda distal portion;a firing member;a motor, wherein said motor is configured to be operated in a first direction to advance said firing member toward said distal portion during a firing stroke, wherein said firing stroke comprises a firing stroke end, wherein said motor is configured to be operated in a second direction to retract said firing member away from said distal portion; anda switch configured to detect when said firing member has reached said firing stroke end, wherein said motor is configured to be automatically operated in said second direction when said switch detects said firing stroke end. 2. The surgical instrument of claim 1, further comprising a firing trigger configured to operate said motor when said firing trigger is actuated. 3. The surgical instrument of claim 1, further comprising: a battery; anda firing trigger configured to place said battery in electrical communication with said motor when said firing trigger is actuated. 4. The surgical instrument of claim 1, wherein said switch is configurable in a first state and a second state, wherein a first polarity can be applied to said motor when said switch is in said first state, and wherein a second polarity can be applied to said motor when said switch is in said second state. 5. The surgical instrument of claim 1, further comprising an end effector extending from said shaft. 6. The surgical instrument of claim 1, further comprising a staple cartridge. 7. A surgical instrument, comprising: a handle;a shaft, comprising: a proximal portion extending from said handle; anda distal portion;a firing member;a motor, wherein said motor is configured to be operated in a first direction to advance said firing member toward said distal end during a firing stroke, wherein said firing stroke comprises a firing stroke end, wherein said motor is configured to be operated in a second direction to retract said firing member away from said distal end; andmeans for automatically operating said motor in said second direction after said firing member reaches said firing stroke end. 8. The surgical instrument of claim 7, further comprising a firing trigger configured to operate said motor when said firing trigger is actuated. 9. The surgical instrument of claim 7, further comprising: a battery; anda firing trigger configured to place said battery in electrical communication with said motor when said firing trigger is actuated. 10. The surgical instrument of claim 7, wherein said means comprises a switch. 11. The surgical instrument of claim 10, wherein said switch is configurable in a first state and a second state, wherein a first polarity can be applied to said motor when said switch is in said first state, and wherein a second polarity can be applied to said motor when said switch is in said second state. 12. The surgical instrument of claim 7, further comprising an end effector extending from said shaft. 13. The surgical instrument of claim 7, further comprising a staple cartridge. 14. A surgical instrument system, comprising: a handle;an end effector comprising a distal end;a firing member;a motor, wherein said motor is configured to be operated in a first direction to advance said firing member toward said distal end during a firing stroke, wherein said firing stroke comprises a firing stroke end, wherein said motor is configured to be operated in a second direction to retract said firing member away from said distal end;a sensor configured to sense a condition when said firing member is reaching said firing stroke end; anda controller configured to automatically operate said motor in said second direction when said sensor senses said condition. 15. The surgical instrument system of claim 14, further comprising a firing trigger configured to operate said motor when said firing trigger is actuated. 16. The surgical instrument system of claim 14, further comprising: a battery; anda firing trigger configured to place said battery in electrical communication with said motor when said firing trigger is actuated. 17. The surgical instrument system of claim 14, wherein said sensor comprises a switch. 18. The surgical instrument system of claim 17, wherein said switch is configurable in a first state and a second state, wherein said controller is configured to apply a first polarity to said motor when said switch is in said first state, and wherein said controller is configured to apply a second polarity to said motor when said switch is in said second state. 19. The surgical instrument system of claim 14, further comprising an end effector extending from said shaft. 20. The surgical instrument system of claim 14, further comprising a staple cartridge. 21. A surgical instrument system, comprising: a handle;an end effector comprising a distal end;a firing member;a motor, wherein said motor is configured to be operated in a first direction to advance said firing member toward said distal end during a firing stroke, wherein said firing stroke comprises a firing stroke end, wherein said motor is configured to be operated in a second direction to retract said firing member away from said distal end;a sensor configured to sense a condition when said firing member has reached said firing stroke end; andmeans for applying a first polarity to said motor prior to said sensor detecting said firing stroke end and for applying a polarity to said motor after sensor detects said firing stroke end.
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