Title:
SCORING DEVICE AND TREATMENT METHOD
Document Type and Number:
Japanese Patent JP2020156734
Kind Code:
A
Abstract:
To provide a scoring device and a treatment method capable of improving performance of extending through a lesioned site and the performance of following a guidewire.SOLUTION: A scoring device 10 includes: an elongate shaft section 21; a balloon 30 disposed on a distal side of the shaft section 21 and inflatable radially of the shaft section 21 by fluid flowing thereinto; at least one storage tube 50 disposed along an outer surface of the balloon 30 and having a storage lumen 54 defined therein; and an elongate scoring wire 80 receivable into the storage tube 50, the scoring wire being made of a harder material than the balloon 30. The storage tube 50 is fixed at a distal portion of the balloon 30 and has an opening 56 that allows communication between an outer peripheral surface and an inner peripheral surface of the storage tube 50 along the storage lumen 54 at inflation of the balloon 30. The scoring wire 80 is movable inside the storage lumen 54 along a longitudinal axis of the storage tube 50.SELECTED DRAWING: Figure 2
More Like This:
Inventors:
TARUNAGA AKIHIKO
Application Number:
JP2019058931A
Publication Date:
October 01, 2020
Filing Date:
March 26, 2019
Export Citation:
Assignee:
TERUMO CORP
International Classes:
A61B17/3207; A61M25/10
Attorney, Agent or Firm:
Makito Yamada
Koji Hirokawa
Koji Hirokawa