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1. (WO2015045180) MEDICAL ASPIRATION TOOL

Pub. No.:    WO/2015/045180    International Application No.:    PCT/JP2013/076617
Publication Date: Fri Apr 03 01:59:59 CEST 2015 International Filing Date: Tue Oct 01 01:59:59 CEST 2013
IPC: A61B 17/00
Applicants: TERUMO CLINICAL SUPPLY CO., LTD.
テルモ・クリニカルサプライ株式会社
Inventors: KUSAKABE Susumu
日下部 晋
GOTO Kazumi
後藤 一美
NAGAO Shigeyoshi
長尾 重義
HIROTA Yukio
広田 之生
Title: MEDICAL ASPIRATION TOOL
Abstract:
The medical aspiration tool (1) is provided with: an outer tube (2) with a cylindrical body (21), a connecting section (22), and a flange (24); a gasket (4) that is held inside the outer tube; and a gasket-operating member (3), which is attached to the gasket. The medical aspiration tool (1) is provided with a movement-restricting member (5), which is fitted on the flange (24) of the outer tube (2) and is for restricting the movement of the gasket-operating member (3) towards the tip. The gasket-operating member (3) is provided with: a body (30), which extends a specified length in the axial direction and can be inserted into the outer tube (2); a gasket-mounting section (33) that extends forward from the tip of the body; and a grip (32), which is provided on the back end of the body (30) and cannot be inserted into the outer tube. The movement-restricting member (5) comprises a section that is fitted on the flange (24) and a protruding section (52) that covers a portion of the opening of the back end of the outer tube (2). The body (30) of the gasket-operating member (3) is provided with: during-rotation contacting sections that contact the protruding section (52) of the movement-restricting member (5) during rotation of the gasket-operating member (3); and protruding section-passing sections, which are provided on the tip of the body (30) and are capable of passing through the protruding section of the movement-restricting member.