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1. 发明专利

JP2009125312A CARTRIDGE-TYPE DISPOSABLE SYRINGE 审中-公开
公开(公告)号：JP2009125312A
公开(公告)日：2009-06-11
申请号：JP2007303654
申请日：2007-11-22
申请人： SHIU MING-JENG , HUANG MING-MIN , SHIU PEI-YANG
发明人： SHIU MING-JENG , HUANG MING-MIN , SHIU PEI-YANG
IPC分类号： A61M5/00 , A61M5/31 , A61M5/315 , A61M5/32
摘要： PROBLEM TO BE SOLVED: To provide a cartridge-type disposable syringe manufacturable at low cost. SOLUTION: It has a barrel means; a cannula means; a needle holding means having a needle holding part mounted in the barrel means; a holding ring means for holding the needle holding means in the barrel means; a cartridge means for housing a medicine liquid which is mounted in the rear end of the barrel means and has a needle point seal and a plunger seal for sealing the front and rear part; a plunger means where the rear end of the cartridge means receives the pressing force forward and the front end gives the pressing force to the plunger seal by coming into contact with the plunger seal, and push the cartridge means to come into contact with the needle holding means, and the holding ring means is taken out of the needle holding part by giving the pressing force after the plunger seal is pushed toward the needle point seal to inject the medicine liquid without moving the cartridge means; and a biasing means for moving the needle holding means and the cartridge means at the rear side thereof backward by the biasing force to house the needle cannula means in the barrel means. COPYRIGHT: (C)2009,JPO&INPIT

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