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Autoinjector devices
专利权人:
OWEN MUMFORD LIMITED
发明人:
MARK EATON
申请号:
GB201104957
公开号:
GB2486748B
申请日:
2011.03.24
申请国别(地区):
GB
年份:
2013
代理人:
摘要:
An autoinjector device includes an elongate housing containing a syringe or cartridge having an internal piston for expressing a dose from the syringe or cartridge. A drive mechanism includes a drive member engaging the piston and a drive spring acting on the drive member. A side-operated trigger arrangement includes a retention element movably mounted in the housing from a retaining position in which the drive member is kept in a cocked condition, and a release position in which the drive member may more forwardly under spring pressure. An outer sleeve is mounted on the housing movable between a position in which the retention element is prevented from moving to release the plunger, and a position in which the retention member moves freely. The outer sleeve includes a trigger wall portion which may be depressed to move the retention element once the retention element is free to move, releasing the plunger.
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中国工程科技知识中心
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http://www.ckcest.cn/home/

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