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OUTIL DE TRAITEMENT ENDOSCOPE
专利权人:
Olympus Corporation
发明人:
申请号:
EP16889247.9
公开号:
EP3412227A1
申请日:
2016.02.02
申请国别(地区):
EP
年份:
2018
代理人:
摘要:
For the purpose of switching the liquid delivery mode in accordance with whether forceps are open or closed, an endoscopic surgical device (1) according to the present invention includes: a sheath (2) insertable into a channel of an endoscope and having a pipe (2a) capable of delivering a liquid; a forceps section (3) disposed so as to protrude from a distal end cover (30) provided at a distal end of the sheath (2) and including a pair of openable-closable forceps components (3a); an operable member (4d) that is connected to a proximal end of the forceps section (3) and that opens the forceps components (3a) when the operable member (4d) is moved forward in a longitudinal direction and that closes the forceps components (3a) when the operable member (4d) is moved rearward; and a flow-path formation member (7) that has a through-hole (7a) through which the operable member (4d) extends and that has a first liquid delivery hole (9) constituted by a gap between the through-hole (7a) and the operable member (4d) and a second liquid delivery hole (8) constituted by a gap between the flow-path formation member (7) and an inner peripheral surface of the distal end cover (30). The operable member (4d) is provided with a large-diameter section that abuts on the flow-path formation member (7) when the operable member (4d) is moved forward so as to block the first liquid delivery hole (9).
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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