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Passively shielding needle device
专利权人:
Becton; Dickinson and Company
发明人:
Jamieson W. Crawford
申请号:
US15193450
公开号:
US09878130B2
申请日:
2016.06.27
申请国别(地区):
US
年份:
2018
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.
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