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1. (WO2018143262) PUNCTURING INSTRUMENT AND PUNCTURING DEVICE

Pub. No.:    WO/2018/143262    International Application No.:    PCT/JP2018/003178
Publication Date: Fri Aug 10 01:59:59 CEST 2018 International Filing Date: Thu Feb 01 00:59:59 CET 2018
IPC: A61B 17/34
Applicants: TOKYO WOMEN'S MEDICAL UNIVERSITY
学校法人東京女子医科大学
TRANSELL CO., LTD.
株式会社トランセル
Inventors: NAKAMURA Shuji
中村 修二
MASAMUNE Ken
正宗 賢
MIKI Kohei
三木 康平
SADO Katsuyuki
佐渡 克行
TAKAGAWA Hirokazu
高川 浩和
IWASHIMA Fumiya
岩島 史弥
NABESHIMA Akihiro
鍋島 彰宏
Title: PUNCTURING INSTRUMENT AND PUNCTURING DEVICE
Abstract:
Provided is a puncturing instrument capable of administering (supplying) a liquid drug. The puncturing instrument comprises: a puncturing tip (2); a first tubular body (3) connected to the puncturing tip (2) at the distal end thereof; and an outside tubular body (5) covering at least part of the first tubular body (3). The first tubular body (3) is formed so as to be rotatable around a shaft in the longitudinal direction. The outer diameter of the first tubular body (3) is smaller than the inner diameter of the outside tubular body (5) and a liquid drug supply path (5a) is provided on the outside of the first tubular body (3).