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Dispositif d'injection
专利权人:
Q-Med AB
发明人:
申请号:
EP13199097.0
公开号:
EP2886145A1
申请日:
2013.12.20
申请国别(地区):
EP
年份:
2015
代理人:
摘要:
An injection device for delivering a liquid composition, comprising a generally elongated housing, arranged to hold an exchangeable cartridge containing the liquid composition. The housing comprises a drive device, and a plunger rod (5) connected with the drive device and connectable to a plunger (6) within the cartridge for driving the plunger within the cartridge. The plunger comprises a rod connector (7) for connecting with a front end portion of the plunger rod. The rod connector has an entrance opening defined by wall sections of the rod connector, the width of the entrance opening being smaller than the width of the front end portion. The width of a rod portion adjacent to and rear of the front end portion at the most corresponds to the width of the entrance opening. The wall sections are resilient for enabling the front end portion to pass the entrance opening upon exerting an opening force on the wall sections. The rod connector comprises a rod stop portion (12), wherein there is a longitudinal play between the plunger rod on one hand and the entrance opening and the rod stop portion on the other hand, thereby enabling the front end portion to move back and forth between the entrance opening and the rod stop portion without moving the plunger.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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