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Needle with gated stylet
专利权人:
Robert J. Perry
发明人:
Robert J. Perry
申请号:
US12692938
公开号:
US08882714B1
申请日:
2010.01.25
申请国别(地区):
US
年份:
2014
代理人:
摘要:
In accordance with preferred embodiments, a needle with gated stylet is provided that is useful for controlled fluid transfer with a patients body. Preferably, the needle with gated stylet includes a hollow core needle providing a needle tip and at least two fluid transfer apertures with the stylet removably disposed within the needle. In an alternate embodiment, a needle providing a hollow core, an insertion tip, and a fluid transfer aperture adjacent the insertion tip and communicating with the hollow core, and a stylet disposed within the hollow core, cooperating with the fluid transfer aperture to preclude fluid flow through the fluid transfer aperture when the stylet is in a first position adjacent the insertion tip and promote fluid flow through the transfer aperture when the stylet is in a second position adjacent the insertion tip.
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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