Title:
BALLOON CATHETER FOR DUODENAL PAPILLA EXTENSION
Document Type and Number:
Japanese Patent JP2017113123
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a balloon catheter for duodenal papilla extension facilitating positioning of a balloon and a papillary portion and preventing the position of the balloon from easily deviating from the papillary portion during papilla extension.SOLUTION: The balloon catheter for duodenal papilla extension includes a catheter tube (20), and a balloon (30) connected to a distal end of the catheter tube and being inflatable by fluid supplied via the catheter tube. The balloon includes a first marker (34) and a second marker (36) that project in an outward compared with adjacent portions on an outer surface and formed on the outer surface along the circumferential direction of the balloon. The balloon catheter for duodenal papilla extension is characterized in that the first marker is provided at a proximal side with respect to an axial-direction center of the balloon, and the second marker is provided at a distal end side with respect to the axial-direction center.SELECTED DRAWING: Figure 1
Inventors:
TOMARI KOHEI
KAWAJIRI KOJI
KAWAJIRI KOJI
Application Number:
JP2015249493A
Publication Date:
June 29, 2017
Filing Date:
December 22, 2015
Export Citation:
Assignee:
NIPPON ZEON CO
International Classes:
A61M25/10; A61M25/095
Attorney, Agent or Firm:
Maeda/Suzuki International Patent Corporation