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1. (WO2018221536) NEEDLE

Pub. No.:    WO/2018/221536    International Application No.:    PCT/JP2018/020617
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Wed May 30 01:59:59 CEST 2018
IPC: A61M 5/158
A61M 5/32
Applicants: ARTISAN LAB CO., LTD.
株式会社アルチザンラボ
Inventors: SHIBATA Kazuhiko
柴田 和彦
Title: NEEDLE
Abstract:
Provided is a needle that does not damage the buttonhole during hemodialysis, allows blood backflow to be confirmed when inserted into a blood vessel, and suppresses scabs being pushed into the tunnel. In accordance with the present invention, provided is a needle comprising: a tubular section; a protruding part that is disposed on the distal end of the tubular section along the central axis of the tubular section; and an opening disposed on the distal end of the tubular section. Also provided is a needle comprising: a tubular section; an opening disposed on the distal end of the tubular section; and a bent-back section that is disposed on the outer circumferential surface of the tubular section and protrudes toward the rear end on the side opposite the distal end.