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다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0251415 (2016-08-30) |
등록번호 | US-10251647 (2019-04-09) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 896 |
A surgical instrument for surgically joining tissue includes a handle assembly, an elongate member extending distally from the handle assembly, an end effector disposed adjacent a distal portion of the elongate member, and an actuation assembly operatively associated with the handle assembly. The ac
A surgical instrument for surgically joining tissue includes a handle assembly, an elongate member extending distally from the handle assembly, an end effector disposed adjacent a distal portion of the elongate member, and an actuation assembly operatively associated with the handle assembly. The actuation mechanism includes a thrust bar disposed at least partially within the elongate member and a distal slide member. The thrust bar has a proximal portion, a distal portion, a first lateral side and a second lateral side and is configured to move between proximal and distal positions with respect to the handle assembly. The distal slide member is positioned adjacent the first lateral side of the thrust bar and is adjacent the distal portion of the thrust bar. The proximal portion of the distal slide member is adapted to slide relative to the thrust bar when thrust bar moves in a curvilinear direction.
1. An actuation assembly for a surgical instrument, comprising: a thrust bar;a knife assembly directly coupled to a distal end portion of the thrust bar, the knife assembly having an upper engagement portion and a lower engagement portion;a proximal slide member positioned adjacent a first lateral s
1. An actuation assembly for a surgical instrument, comprising: a thrust bar;a knife assembly directly coupled to a distal end portion of the thrust bar, the knife assembly having an upper engagement portion and a lower engagement portion;a proximal slide member positioned adjacent a first lateral side of the thrust bar, a portion of the proximal slide member affixed to the thrust bar; anda distal slide member in contact with the thrust bar, a first portion of the distal slide member affixed to a first portion of the thrust bar, the first portion of the distal slide member fixed from longitudinal movement with respect to the first portion of the thrust bar, and a center of the distal slide member slidable with respect to the thrust bar. 2. The actuation assembly according to claim 1, wherein a proximal portion of the thrust bar extends proximally beyond a proximal-most end of the distal slide member. 3. The actuation assembly according to claim 1, wherein the knife assembly is coupled to the distal slide member. 4. The actuation assembly according to claim 1, wherein the upper portion and the lower portion of the knife assembly extend in a lateral direction. 5. The actuation assembly according to claim 1, wherein the distal slide member is directly affixed to the first portion of the thrust bar. 6. The actuation assembly according to claim 1, wherein a proximal portion of the distal slide member is configured to slide relative to the thrust bar when the thrust bar moves in a curvilinear direction. 7. The actuation assembly according to claim 1, further comprising a second distal slide member in contact with the thrust bar. 8. The actuation assembly according to claim 1, wherein a distal portion of the proximal slide member is affixed to the thrust bar, and wherein the distal portion of the proximal slide member is limited to a distal-most quarter of the proximal slide member. 9. The actuation assembly according to claim 1, wherein the first portion of the distal slide member is on a distal portion of the distal slide member. 10. The actuation assembly according to claim 1, wherein the knife assembly moves with the thrust bar. 11. The actuation assembly according to claim 1, wherein the thrust bar includes a longer length than a length of the distal slide member. 12. The actuation assembly according to claim 1, wherein a center of the proximal slide member is slidable with respect to the thrust bar. 13. The actuation assembly according to claim 1, wherein a proximal half of the distal slide member is slidable with respect to the thrust bar. 14. An actuation assembly for a surgical instrument, comprising: a thrust bar;a knife assembly directly coupled to a distal end portion of the thrust bar;a proximal slide member positioned adjacent a first lateral side of the thrust bar;a first distal slide member positioned in contact with a first portion of the thrust bar, a distal portion of the first distal slide member being fixed from longitudinal movement with respect to the first portion of the thrust bar, a center of the first distal slide member being slidable with respect to the thrust bar; anda second distal slide member positioned in contact with the thrust bar, the thrust bar having a longer length than a length of each of the first distal slide member and the second distal slide member. 15. The actuation assembly according to claim 14, wherein a distal portion of the proximal slide member is rigidly affixed to the thrust bar, and wherein the distal portion of the proximal slide member is limited to a distal-most quarter of the proximal slide member. 16. The actuation assembly according to claim 14, wherein the first distal slide member is fixed to the first portion of the thrust bar adjacent a distal portion of the thrust bar. 17. The actuation assembly according to claim 14, wherein the knife assembly moves with the thrust bar. 18. The actuation assembly according to claim 14, wherein the proximal portion of the first distal slide member is configured to slide relative to the thrust bar when the thrust bar moves in a curvilinear direction. 19. The actuation assembly according to claim 14, wherein both of the first distal slide member and the second distal slide member are positioned in direct contact with the thrust bar. 20. The actuation assembly according to claim 14, wherein a proximal half of the first distal slide member is slidable with respect to the thrust bar.
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