Title:
HIGH-FREQUENCY TREATMENT TOOL FOR ENDOSCOPES
Document Type and Number:
WIPO Patent Application WO/2019/017082
Kind Code:
A1
Abstract:
The present invention provides a high-frequency treatment tool for endoscopes, which is provided with a knife section at the leading end of a snare, and which enables the knife section to be stably fixed. The high-frequency treatment tool for endoscopes according to the present invention is provided with: a sheath (5); a linear article disposed within the sheath (5); a conductive wire (2) in which proximal ends of a first wire part (2A) and a second wire part (2B) that respectively extend in the proximal-distal direction of the sheath (5) are fixed to the linear article; a conductive leading-end tip (1) which is connected to respective distal ends of the first wire part (2A) and the second wire part (2B); and a conductive connector which connects the linear article with the first wire part (2A) and the second wire part (2B), wherein a part of the inner wall of the sheath (5) has a portion (7) that is surface-treated, and at least one of the conductive connector, the first wire part (2A), the second wire part (2B) and the conductive leading-end tip (1) abuts on the surface-treated portion (7) of the inner wall of the sheath (5).
Inventors:
KAMAKURA HIROKAZU (JP)
Application Number:
PCT/JP2018/020998
Publication Date:
January 24, 2019
Filing Date:
May 31, 2018
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
A61B18/14
Foreign References:
| JPH1170122A | 1999-03-16 | |||
| JPH02126616U | 1990-10-18 | |||
| JPH11505141A | 1999-05-18 | |||
| US20140276407A1 | 2014-09-18 | |||
| JP2012120881A | 2012-06-28 | |||
| JP2004000544A | 2004-01-08 | |||
| JP2007319424A | 2007-12-13 |
Attorney, Agent or Firm:
UEKI, Kyuichi et al. (JP)
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