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1. (WO2018142830) AIR FEED AND WATER FEED VALVE FOR ENDOSCOPE, AND ENDOSCOPE

Pub. No.:    WO/2018/142830    International Application No.:    PCT/JP2017/047269
Publication Date: Fri Aug 10 01:59:59 CEST 2018 International Filing Date: Fri Dec 29 00:59:59 CET 2017
IPC: A61B 1/015
A61B 8/12
G02B 23/24
Applicants: OLYMPUS CORPORATION
オリンパス株式会社
Inventors: SAIGA, Kazuya
雑賀 和也
TAKEHARA, Hiroki
竹原 博樹
Title: AIR FEED AND WATER FEED VALVE FOR ENDOSCOPE, AND ENDOSCOPE
Abstract:
The present invention is an air feed and water feed valve for an endoscope, in which air feed and water feed are controlled by switching among a plurality of connection modes of conduits formed in an endoscope. The air feed and water feed valve comprises: a cap in which a leak hole that can release a gas flowing through a conduit to the outside is formed; and a shaft section one end of which is connected to the cap and which extends in a rod shape. The shaft section includes: a body section in which formed are a hole section that forms a hollow space, and a communicating hole that extends in a direction intersecting the longitudinal direction of the shaft section and communicates between the hole section and the outside; and a seal member which comprises a protruding section that protrudes from an outer surface of the body section via the communicating hole, and which comprises a support section that is disposed in the hole section and supports the protruding section.