JAMES D. ALLEN, IV,CRAIG V. KRASTINS,JESSICA E.C. OLSON,JASON G. WEIHE
申请号：
US14719434
公开号：
US20160338763A1
申请日:
2015.05.22
申请国别(地区):
US
年份:
2016
代理人:
摘要：
A surgical instrument includes a housing, a shaft extending therefrom and supporting an end effector, a knife, and a trigger assembly. The knife is configured to translate between retracted and extended positions. The trigger assembly includes a trigger movable relative to the housing between un-actuated and actuated positions, and a linkage including an apex and first and second bases. The apex is rotatably coupled to the housing about a pivot. The first base is disposed on a first side of the apex and coupled to the trigger. The second base is disposed on a second side of the apex and coupled to the knife. In response to movement of the trigger from the un-actuated to the actuated position, the first base is moved proximally, the apex is rotated about the pivot, and the second base is moved distally to move the knife from the retracted to the extended position.
