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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0133888 (2013-12-19) |
등록번호 | US-9445811 (2016-09-20) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 2 인용 특허 : 894 |
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 stapling instrument comprising a thrust bar, a knife assembly, a proximal slide member, a first distal slide member, and a second distal slide member, the proximal slide member positioned adjacent a first lateral side of the thrust bar, a distal portion of the
1. An actuation assembly for a surgical stapling instrument comprising a thrust bar, a knife assembly, a proximal slide member, a first distal slide member, and a second distal slide member, the proximal slide member positioned adjacent a first lateral side of the thrust bar, a distal portion of the proximal slide member rigidly affixed to the thrust bar, each of the first distal slide member and the second distal slide member being in direct contact with the thrust bar, the first distal slide member being fixed to a first portion of the thrust bar adjacent a distal portion of 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, 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 proximal portion of the first distal slide member being slidable with respect to the thrust bar, the knife assembly being directly coupled to a distal end portion of the thrust bar, wherein the knife assembly moves with the thrust bar. 2. The actuation assembly of claim 1, wherein the proximal portion of the thrust bar extends proximally beyond a proximal-most end of each of the first distal slide member and the second distal slide member. 3. The actuation assembly of claim 1, wherein the knife assembly is coupled to the first distal slide member and the second distal slide member. 4. The actuation assembly of claim 3, wherein the knife assembly includes an upper laterally extending portion and a lower laterally extending portion. 5. The actuation assembly of claim 1, wherein the first distal slide member is directly affixed to the first portion of the thrust bar. 6. The actuation assembly of claim 5, wherein the thrust bar is continuous along its entire length. 7. The actuation assembly of claim 1, 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.
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