Title:
GUIDE TUBE, TREATMENT SYSTEM, AND GUIDE TUBE ATTACHMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2020/105158
Kind Code:
A1
Abstract:
This guide tube (1) is provided with an elongated sheath (2) disposed parallel to an endoscope (10) and into which an elongated treatment tool is inserted so as to be movable in the length direction thereof, wherein: the sheath (2) has a first end (2a) having a protrusion port (2c) from which the treatment tool protrudes, and a second end (2b) having an insertion port (2d) through which the treatment tool can be inserted; the sheath (2) is delimited in the length direction into a flexible first region (61) including the first end (2a), and a second region (62) including the second end (2b); and the second region (62) contains a high rigidity part (62) having a higher rigidity than the rigidity of the first region (61).
Inventors:
HYODO RYOJI (JP)
NISHIZAWA KOJI (JP)
NISHIZAWA KOJI (JP)
Application Number:
PCT/JP2018/043101
Publication Date:
May 28, 2020
Filing Date:
November 22, 2018
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
A61B1/018; A61B1/01
Domestic Patent References:
| WO2017216835A1 | 2017-12-21 | |||
| WO2016079803A1 | 2016-05-26 |
Foreign References:
| JP2013255756A | 2013-12-26 | |||
| JP2007151595A | 2007-06-21 |
Attorney, Agent or Firm:
UEDA, Kunio et al. (JP)
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