Title:
OVERSHEATH, ENDOSCOPIC TREATMENT TOOL DEVICE, AND ENDOSCOPIC INSTRUMENT
Document Type and Number:
WIPO Patent Application WO/2023/120255
Kind Code:
A1
Abstract:
Provided are an oversheath, an endoscopic treatment tool device, and an endoscopic instrument that enable a small number of people to perform, with ease, a treatment tool manipulation which could be performed either by a physician or by an assistant manipulating an endoscope, and are compatible with multiple types of endoscopic treatment tools. The oversheath (22) is configured to have a flexible sheath (23) of a treatment tool body (21) inserted therein, and is to be inserted into a forceps channel in conjunction with the treatment tool body (21). The oversheath (22) comprises: a first tubular part (41) having an outer circumferential-side sliding section (41A) which slides through a forceps opening that is an inlet for the forceps channel; and a second tubular part (42) having an inner circumferential-side sliding section (42A) which is provided to the base end of the first tubular part (41) so as to enable the treatment tool body (21) to be inserted into and withdrawn from the forceps channel (15).
Inventors:
ISHIKAWA RYO (JP)
IWAKI TAKURO (JP)
IWAKI TAKURO (JP)
Application Number:
PCT/JP2022/045538
Publication Date:
June 29, 2023
Filing Date:
December 09, 2022
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
A61B1/018; A61B1/00
Domestic Patent References:
| WO2013132992A1 | 2013-09-12 |
Foreign References:
| JP2006204745A | 2006-08-10 | |||
| JP2020127639A | 2020-08-27 | |||
| JP2008000579A | 2008-01-10 | |||
| US20200197579A1 | 2020-06-25 | |||
| JP2022052257A | 2022-04-04 |
Attorney, Agent or Firm:
KYORITSU INSTITUTE (JP)
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