Title:
Bile duct and gallbladder stent insertion device
Document Type and Number:
Japanese Patent JP6309431
Kind Code:
B2
Abstract:
Disclosed herein is a catheter for a common hepatic duct capable of inserting a stent into a bile duct, a gall bladder, and the like using endoscopic ultrasound (EUS). According to an exemplary embodiment of the present invention, the catheter for a common hepatic duct includes: an inner guide tube (1); a perforator (3) coupled with a front end of the inner guide tube (1); a pressing member (5) coupled with the inner guide tube (1) while maintaining a predetermined interval from the perforator (3); a stent (7) disposed between the perforator (3) and the pressing member (5) and on an outer circumferential surface of the inner guide tube (1); and an outer guide tube (9) disposed on the outer circumferential surface of the inner guide tube (1); wherein the perforator (3) has a cone shape or a polygonal cone shape and is formed so that a distance from a central line to an outside is reduced toward the front end based on the central line in a length direction.
Inventors:
Park Hyon
All phases 9
Atsushi An
All phases 9
Atsushi An
Application Number:
JP2014228817A
Publication Date:
April 11, 2018
Filing Date:
November 11, 2014
Export Citation:
Assignee:
Standard Sci-Tech Inc.
International Classes:
A61F2/966; A61B17/00; A61B17/32
Domestic Patent References:
| JP2006505342A | ||||
| JP200023991A |
Foreign References:
| US6077179 |
Attorney, Agent or Firm:
Yuzo Agata
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