Title:
INSERTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/025435
Kind Code:
A1
Abstract:
An insertion device 1 is equipped with: an insertion portion 3 having a prescribed degree of flexibility, with a spiral tube 31 that can rotate about the longitudinal axis being detachably mounted thereto; and a drive source 72 for rotating the spiral tube 31. The spiral tube 31 and the section 25 of the insertion portion 3 to which the spiral tube 31 is mounted are formed by a structure which is configured such that even when subjected to an external force from the attempt by the body cavity wall in contact therewith to maintain a curved shape, the structure does not bend beyond an arbitrary bending angle R such that rotation of the spiral tube 31 does not stop due to the driving force from the drive source 72.
Inventors:
OKAMOTO YASUHIRO (JP)
Application Number:
PCT/JP2017/008104
Publication Date:
February 08, 2018
Filing Date:
March 01, 2017
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
G02B23/24; A61B1/00
Domestic Patent References:
| WO2015072233A1 | 2015-05-21 |
Foreign References:
| JP2014064686A | 2014-04-17 | |||
| JP2007307241A | 2007-11-29 | |||
| JP2009285085A | 2009-12-10 |
Attorney, Agent or Firm:
ITOH Susumu (JP)
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