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SURGICAL STAPLER WITH ARTICULATION LOCKING MECHANISM
专利权人:
发明人:
申请号:
EP17155481.9
公开号:
EP3205281A1
申请日:
2017.02.09
申请国别(地区):
EP
年份:
2017
代理人:
摘要:
The present disclosure is directed to an endoscopic surgical stapler having an articulation locking mechanism that functions to prevent straightening of a tool assembly of the surgical stapler when the surgical stapler is fired with the tool assembly in an articulated position. In embodiments, a mounting assembly supports a notched member on a proximal end of the tool assembly and the notched member defines a series of notches. An articulation member supported adjacent to the mounting assembly includes a locking member defining protrusions or teeth that are movable from a first unlocked position spaced from the notches of the mounting assembly to a second locked position received within the notches to lock the tool assembly in one of a plurality of articulated positions. In embodiments, the locking member is biased towards the unlocked position by a biasing member and is urged toward and retained in the locked position via engagement with a drive assembly of the surgical stapler.
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