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Automatic injection devices
专利权人:
AbbVie Biotechnology Ltd.
发明人:
Stephen Bicknell,Joseph F. Julian,William L. Rudzena
申请号:
US14109363
公开号:
US09017287B2
申请日:
2013.12.17
申请国别(地区):
US
年份:
2015
代理人:
摘要:
An injection device comprises a syringe extendible against a spring bias from a retracted position in a housing to a projecting injecting position. A spring biased plunger has collapsible elbows which, when the plunger is released, initially engage the end of the syringe to drive it to the projecting position, whereupon arresting of the syringe movement causes the elbows to collapse inside the syringe to allow the plunger to engage and drive the bung.
来源网站:
中国工程科技知识中心
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