Title:
OVERTUBE FOR ENDOSCOPE, ENDOSCOPIC SYSTEM, AND METHOD FOR INSERTING ENDOSCOPE
Document Type and Number:
WIPO Patent Application WO/2021/181503
Kind Code:
A1
Abstract:
This overtube for an endoscope comprises: a body that includes a flexible tubular section; and a cylindrical airtight balloon joined with the inside of the body. The airtight balloon includes: two or more joined sections for joining with the inner surface of the body; and a middle section that is provided between the joined sections and that has an outer diameter which is smaller, at least at one site, than that of the joined sections under a no-load state in which the pressure inside and the pressure outside the cylindrical shape are the same. A space is formed between the inner surface of the body and the middle section thereof.
Inventors:
HIGUCHI TATSUYA (JP)
Application Number:
PCT/JP2020/010187
Publication Date:
September 16, 2021
Filing Date:
March 10, 2020
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
A61B1/01; G02B23/24
Domestic Patent References:
| WO2016136514A1 | 2016-09-01 |
Foreign References:
| JPH0255910U | 1990-04-23 | |||
| JP2014104186A | 2014-06-09 | |||
| JP2015524297A | 2015-08-24 | |||
| JP2008220775A | 2008-09-25 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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