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AUTO-INJECTOR
专利权人:
SANOFI-AVENTIS DEUTSCHLAND GMBH
发明人:
BRERETON, SIMON FRANCIS,KEMP, THOMAS,BURNELL, ROSIE,EKMAN, MATTHEW
申请号:
HK14101345.4
公开号:
HK1188163B
申请日:
2014.02.13
申请国别(地区):
HK
年份:
2016
代理人:
摘要:
An auto-injector for administering a dose of a liquid medicament has a tubular chassis telescopable in a tubular case, a carrier subassembly comprising a tubular carrier slidably arranged relative to the chassis inside the case, where the carrier adapted to contain a syringe with a hollow injection needle. The injector has a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, wherein the syringe is lockable for joint axial translation with the carrier. There is also a trigger button arranged distally or laterally in or on the case, a control spring arranged around the carrier, and a needle extension control mechanism for coupling a proximal end of the control spring to either the carrier for advancing it for needle extension or to the chassis for needle retraction depending on the relative axial position of the carrier and the chassis.
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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