Title:
INSERTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/150633
Kind Code:
A1
Abstract:
This insertion device is provided with: a base which is provided on an insertion part; a first recess provided in the base; an opening-forming surface which is formed around the first recess; a movable member which moves inside the first recess; a plate-shape lid member which has a contact surface and which closes the opening in the first recess by the contact surface contacting the opening-forming surface; a second recess which is provided in the lid member; a wall surface part which is provided on the base, is erected from the opening-forming surface towards the outside of the base, and which faces at least part of a side surface of the lid member in a state in which the contact surface contacts the opening-forming surface; and one or multiple projections which are provided on the aforementioned side surface and are less thick than said side surface of the lid member and which project towards the wall surface part.
Inventors:
HAYAKAWA FUMITOSHI (JP)
KATO AKIHIRO
MINAMIMOTO KAZUKI
KATO AKIHIRO
MINAMIMOTO KAZUKI
Application Number:
PCT/JP2018/032171
Publication Date:
August 08, 2019
Filing Date:
August 30, 2018
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
A61B1/018; G02B23/24
Domestic Patent References:
| WO2016199694A1 | 2016-12-15 | |||
| WO2017179293A1 | 2017-10-19 |
Foreign References:
| JPH0240936A | 1990-02-09 | |||
| JP2011124541A | 2011-06-23 |
Attorney, Agent or Firm:
ITOH Susumu (JP)
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