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SAFETY NEEDLE ASSEMBLY
专利权人:
发明人:
Craig NEWMAN,Stephen RICHARDS,Vadim GOYKHMAN,Tieming RUAN
申请号:
US15473275
公开号:
US20170203049A1
申请日:
2017.03.29
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A safety needle assembly, including a hub a needle fixed to the hub, the needle having a distal end and a proximal end first and second shields, each having a tubular body at least partially encircling a portion of the needle, wherein in an initial state, the first shield extends from the hub a biasing element disposed to urge the second shield distally toward the distal end of the needle and a releasable retaining arrangement for releasably retaining the second shield in a first state. Upon a predetermined extent of proximal movement of the first shield relative to the hub, the second shield is released, thereby allowing the biasing element to urge the second shield to a second state in which the distal end of the needle is covered.
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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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