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Dispositif d'aiguille de blindage passif
专利权人:
Becton; Dickinson and Company
发明人:
申请号:
EP13195967.8
公开号:
EP2705865A2
申请日:
2005.07.01
申请国别(地区):
EP
年份:
2014
代理人:
摘要:
A shieldable needle device includes a hub with and a needle cannula having a puncture tip extending from a forward end thereof, and a shield member in telescoping association with the hub. At least one of the hub and the shield member are adapted for relative axial movement with respect to the other between a first position in which the puncture tip of the needle cannula is exposed from a forward end of the shield member and a second position in which the puncture tip of the needle cannula is encompassed within the shield member. A drive member extends between the hub and the shield member, biasing the hub and the shield member axially away from each other. A packaging cover may further extend about the needle cannula, applying external pressure between the cooperating portions of the hub and the shield. In use, external pressure is applied by a user to at least one of the hub and the shield member providing an engagement therebetween, thus permitting removal of the packaging cover and preventing the drive member from biasing the hub and the shield member axially away from each other until activation is desired.
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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