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AUTO-INJECTEUR AVEC CHARGEMENT DE PISTON DE FAIBLE ENERGIE
专利权人:
AMGEN INC.
发明人:
FOLK, CHRISTOPHER R.,GIBSON, SCOTT R.,INTOCCIA, BRIAN J.
申请号:
CA2954071
公开号:
CA2954071A1
申请日:
2015.06.26
申请国别(地区):
CA
年份:
2016
代理人:
摘要:
An injection device, method, and system for drug delivery includes a container for storing a drug, the container having a stopper movably disposed in the container for expelling the drug; an injection drive mechanism having a plunger for acting on the stopper and an energy source having a first selected potential energy for exerting a force on the plunger to cause the plunger to act on the stopper to expel the drug; and a plunger loading mechanism for substantially preventing the plunger from accelerating to a predetermined velocity before it acts on the stopper. The plunger loading mechanism may be a spring having a second selected potential energy for reducing or eliminating a distance between the plunger and the stopper, prior to the plunger accelerating to the velocity. The second selected potential energy of the spring may be less than the first selected potential energy of the energy source.
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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