Title:
ENDOSCOPIC TREATMENT TOOL AND PRODUCTION METHOD FOR ENDOSCOPIC TREATMENT TOOL
Document Type and Number:
WIPO Patent Application WO/2018/062415
Kind Code:
A1
Abstract:
An endoscopic treatment tool 1 that comprises: a metal operation wire 22; a snare 23 that is formed by bundling end parts of a metal wire; and a connection part 24 that has the same outer diameter as the operation wire 22 and is formed by twisting together a plurality of metal wires that constitute a base end part 234 of the snare 23. An end surface of the operation wire 22 abuts and is joined by upset resistance welding to an end surface of the connection part 24.
Inventors:
IWANAMI TAKAYOSHI (JP)
Application Number:
PCT/JP2017/035311
Publication Date:
April 05, 2018
Filing Date:
September 28, 2017
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
A61B17/32; A61B1/018; A61B17/22
Foreign References:
| JP2012192177A | 2012-10-11 | |||
| JP2001198139A | 2001-07-24 | |||
| JPS623882A | 1987-01-09 | |||
| US20020010485A1 | 2002-01-24 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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