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1. (WO2017154527) MEDICAL INSTRUMENT

Pub. No.:    WO/2017/154527    International Application No.:    PCT/JP2017/005982
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Sat Feb 18 00:59:59 CET 2017
IPC: A61M 39/12
A61M 25/00
Applicants: TERUMO KABUSHIKI KAISHA
テルモ株式会社
Inventors: ANZAI, Takao
安齊 崇王
Title: MEDICAL INSTRUMENT
Abstract:
[Problem] To provide a medical instrument having a first tube body and a second tube body which differ in rigidity, whereby it is possible to prevent damage to a cover layer in a level difference part formed between the tube bodies. [Solution] A level difference part 150 is formed between an internal peripheral surface of a distal-end opening 121a of a second tube body 120 and an internal peripheral surface 110b of a first tube body 110, and the thickness d1 of a portion 163 of a cover layer 160 covering the level difference part is formed so as to be greater than the thickness d2 of the level difference part.