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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0836383 (2010-07-14) |
| 등록번호 | US-8453906 (2013-06-04) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 388 인용 특허 : 169 |
An end-effector assembly configured to be attached to a surgical instrument. The end-effector assembly comprises a first jaw and a second jaw comprising a staple cavity. At least one of the first jaw and the second jaw is movable relative to the other jaw. The end-effector assembly comprises a stapl
An end-effector assembly configured to be attached to a surgical instrument. The end-effector assembly comprises a first jaw and a second jaw comprising a staple cavity. At least one of the first jaw and the second jaw is movable relative to the other jaw. The end-effector assembly comprises a staple removably positioned within the staple cavity and an electrically-conductive driver configured to move the staple between a first stored position in which the staple is at least partially positioned within the staple cavity and a second position in which the staple is at least partially deployed from the staple cavity into tissue positioned intermediate the first jaw and the second jaw. The staple comprises an electrode.
1. An end-effector assembly configured to be attached to a surgical instrument, the end-effector assembly comprising: a first jaw;a second jaw comprising a staple cavity, wherein at least one of the first jaw and the second jaw is movable relative to the other jaw;a staple removably positioned withi
1. An end-effector assembly configured to be attached to a surgical instrument, the end-effector assembly comprising: a first jaw;a second jaw comprising a staple cavity, wherein at least one of the first jaw and the second jaw is movable relative to the other jaw;a staple removably positioned within the staple cavity, wherein the staple comprises an electrode; andan electrically-conductive driver configured to move the staple between a first stored position in which the staple is at least partially positioned within the staple cavity and a second position in which the staple is at least partially deployed from the staple cavity into tissue positioned intermediate the first jaw and the second jaw. 2. The end-effector assembly of claim 1, wherein the electrode comprises a first electrode, and wherein one of the first jaw and the second jaw comprises a second electrode. 3. The end-effector assembly of claim 2, wherein the second electrode is positioned adjacent to a positive temperature coefficient material. 4. The end-effector assembly of claim 2, wherein the first electrode is configured to have a different polarity than the second electrode. 5. The end-effector assembly of claim 1, wherein the electrode comprises a first electrode, the end-effector assembly comprising a cutting member one of formed with and operably engaged with the electrically-conductive driver, wherein one of the first jaw and the second jaw comprises a second electrode, and wherein the cutting member comprises a third electrode. 6. The end-effector assembly of claim 1, wherein the electrically-conductive driver is in electrical communication with the electrode when moving the staple between the first position and the second position. 7. The end-effector assembly of claim 1, comprising a tissue thickness sensor configured to sense a thickness of the tissue positioned intermediate the first jaw and the second jaw, wherein the staple optionally remains in the first position when the sensed thickness is less than a predetermined tissue thickness threshold, and wherein the staple is moved into the second position when the sensed thickness is greater than the predetermined tissue thickness threshold. 8. The end-effector assembly of claim 7, comprising: a cutting member one of attached to and formed with the electrically-conductive driver, wherein the cutting member is movable along a cutting path to form a cut line in the tissue;a staple sensor configured to sense when the staple is in the first position; anda lockout device configured to selectively restrict movement of the cutting member along the cutting path when the sensed thickness is greater than the predetermined tissue thickness threshold and when the staple sensor indicates that the staple is not in the first position. 9. The end-effector assembly of claim 1, comprising: a cutting member configured to travel along a cutting path; anda resistive member configured to restrict the speed of the travel of the cutting member along the cutting path. 10. The end-effector assembly of claim 9, wherein the resistive member comprises one of a biasing member and a magnet. 11. The end-effector assembly of claim 1, wherein the electrode comprises a first electrode, the end-effector assembly comprising a staple cartridge comprising: the staple cavity;the staple; anda tissue-contacting surface, wherein the tissue-contacting surface comprises a second electrode. 12. The end-effector assembly of claim 1, comprising a staple cartridge comprising: a tissue-contacting surface having an outer perimeter;a first side;a second side;a cutting member slot defined at least partially intermediate the first side and the second side;a first plurality of staples at least partially positioned within a first plurality of staple cavities in the first side, wherein the first plurality staples form at least a first row of staples; anda second plurality of staples at least partially positioned within a second plurality of staple cavities in the second side, wherein the second plurality of staples form at least a second row of staples. 13. The end-effector assembly of claim 12, wherein the electrode comprises a first electrode, the end-effector assembly comprising a second electrode on the tissue-contacting surface, wherein the second electrode is positioned proximate to the outer perimeter of the tissue-contacting surface, and wherein the first row of staples and the second row of staples are positioned distal from the outer perimeter of the tissue-contacting surface. 14. The end-effector assembly of claim 12, wherein the electrode comprises a first electrode, the end-effector assembly comprising a second electrode on the tissue-contacting surface, wherein the first row of staples and the second row of staples are positioned proximate to the outer perimeter of the tissue-contacting surface, and wherein the second electrode is positioned distal from the outer perimeter of the tissue-contacting surface. 15. An end-effector assembly configured to be engaged with a surgical instrument, the end-effector assembly comprising: a first jaw;a second jaw comprising a staple cavity, wherein at least one of the first jaw and the second jaw is movable relative to the other jaw;a staple removably positioned within the staple cavity, wherein the staple comprises a first electrode; andan electrically-conductive driver configured to deploy the staple at least partially from the staple cavity into tissue positioned intermediate the first jaw and the second jaw; andwherein one of the first jaw and the second jaw comprises a second electrode. 16. The end-effector assembly of claim 15, wherein the staple comprises a first staple, the end-effector assembly comprising a second staple removably positioned within the staple cavity, wherein the second staple comprises a third electrode, and wherein the electrically-conductive driver is movable within the end-effector assembly between a first position in which the electrically-conductive driver is in electrical contact with the first staple and a second position in which the electrically-conductive driver is in electrical contact with the second staple. 17. The end-effector assembly of claim 15, wherein the first electrode is configured to have a different polarity than the second electrode, the end-effector assembly comprising a positive temperature coefficient material configured to selectively restrict an electrical current flow between the first electrode and the second electrode. 18. An end-effector assembly configured to be engaged with a surgical instrument, the end-effector assembly comprising: an electrode system comprising an electrode;a staple deploying system, comprising: a staple cavity;a staple removably positioned within the staple cavity; anda staple driver configured to move the staple between a first position in which the staple is stored at least partially within the staple cavity and a second position in which the staple is at least partially deployed from the staple cavity;a staple sensor configured to sense when the staple is in the first position;a tissue thickness sensor configured to sense a thickness of tissue positioned within the end-effector assembly; anda lockout device configured to deactivate the electrode system when the sensed thickness is greater than a predetermined tissue thickness threshold and when the staple sensor does not sense the staple in the first position. 19. The end-effector assembly of claim 18, wherein the electrode is a first electrode, wherein the staple comprises a second electrode, and wherein the staple driver comprises an electrically conductive portion configured to be placed in electrical contact with the second electrode. 20. The end-effector assembly of claim 18, wherein the staple deploying system is configured to deploy the staple into the tissue when the sensed thickness is greater than the predetermined tissue thickness threshold and when the staple sensor senses the staple in the first position. 21. An end-effector assembly configured to be attached to a surgical instrument, the end-effector assembly comprising: a first jaw;a second jaw, wherein at least one of the first jaw and the second jaw is movable relative to the other jaw;a staple removably positioned within the second jaw, wherein the staple comprises an electrode; andan electrically-conductive driver configured to deploy the staple into tissue positioned intermediate the first jaw and the second jaw. 22. The end-effector assembly of claim 21, wherein one of the first jaw and the second jaw comprises a second electrode. 23. An end-effector assembly configured to be engaged with a surgical instrument, the end-effector assembly comprising: an electrode system comprising an electrode;a staple deploying system, comprising: a staple cavity;a staple removably positioned within the staple cavity; anda staple driver configured to move the staple between a first position in which the staple is stored at least partially within the staple cavity and a second position in which the staple is at least partially deployed from the staple cavity;a staple sensor configured to sense when the staple is in the first position;a tissue thickness sensor configured to sense a thickness of tissue positioned within the end-effector assembly; anda lockout device configured to deactivate the electrode system when at least one of the sensed thickness is greater than a predetermined tissue thickness threshold and the staple sensor does not sense the staple in the first position. 24. A staple cartridge for use with a surgical instrument comprising a first jaw and a second jaw, the staple cartridge comprising: a cartridge body, comprising: a staple removably positioned within the cartridge body, wherein the staple comprises an electrode; andan electrically-conductive driver configured to deploy the staple into tissue positioned intermediate the first jaw and the second jaw.
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