Title:
INSERTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/123815
Kind Code:
A1
Abstract:
The present invention is provided with: a tube 30 in which water supply communicating holes 33a for communicating inside surfaces of water supply holes 33 with the outside are formed in the external circumferential surface of the tube 30; a tube connector 41 in which a water supply branch pipeline 48a is formed for communicating the inside surface of a tube insertion hole 46 having an inside diameter larger than the outside diameter of the tube 30 with the outside, and in which a second stopper part 46f is formed further toward a distal end than the water supply branch pipeline 48a, the second stopper part 46f protruding to the inside of the tube insertion hole 46; an O-ring 60 positioned by coming in contact with the second stopper part 46f; a spacer 61 which is positioned by coming in contact with the O-ring 60, and in which a communicating hole 61b is formed for communicating the inside surface side of a wall part 61a with the outside surface side thereof; and an O-ring 62 positioned by coming in contact with the spacer 61.
Inventors:
YOSHINAGA TAKUTO (JP)
OTA TSUKASA
WANG XIONGWEI
OTA TSUKASA
WANG XIONGWEI
Application Number:
PCT/JP2018/039108
Publication Date:
June 27, 2019
Filing Date:
October 19, 2018
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
A61B1/00; A61B1/012; G02B23/24
Foreign References:
| JP2009039205A | 2009-02-26 | |||
| JP2005131413A | 2005-05-26 | |||
| JP2011167460A | 2011-09-01 | |||
| US20120004507A1 | 2012-01-05 | |||
| JP2011235005A | 2011-11-24 |
Attorney, Agent or Firm:
ITOH Susumu (JP)
Download PDF: