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ENSEMBLE AIGUILLE DE SECURITE
专利权人:
BECTON; DICKINSON AND COMPANY
发明人:
NEWMAN, CRAIG,RICHARDS, STEPHEN,GOYKHAM, VADIM,RUAN, TIEMING
申请号:
CA2719110
公开号:
CA2719110C
申请日:
2009.03.13
申请国别(地区):
CA
年份:
2017
代理人:
摘要:
A safety needle assembly is provided herein which includesa hub; a needle fixed to the hub, the needle having a dista! end,formed for insertion into a patient, and a proximal end; a first shieldhaving 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 secondshield having a tubular body at least partially encircling a portion of theneedle; a biasing element disposed to urge the second shield distallytowards the distal end of the needle; and, a releasable retaining arrangementfor releasably retaining the second shield in a first state. Upon apredetermined extent of proximal movement of the first shield relative tothe hub, the second shield is released thereby allowing the biasingelement to urge the second shield to a second state in which the dista.i endof the needle is covered. Advantageously, with the arrangement of thesubject invention, two shields are provided for at least partially coveringa needle with one of the shields acting as a trigger.
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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