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Drug delivery device
专利权人:
Bill Casey
发明人:
Bill Casey
申请号:
US12597468
公开号:
US08790314B2
申请日:
2008.04.25
申请国别(地区):
US
年份:
2014
代理人:
摘要:
Embodiments of the invention generally provide a device and method for minimizing injection pain and preventing needle clogging during injection of a drug formulation into skin. Generally, the invention provides a device comprising a needle having a point to penetrate skin on one end, a hub having a diameter larger than that of the needle attached to the opposite end of the needle and connectable to a housing defining a chamber for receiving a formulation, and a polymer wrap attached to the hub, wherein the polymer wrap is tapered to the needle so as to pass through skin when the point is inserted into the skin, and wherein a space between the needle and the polymer wrap lies in a flow path of the formulation into the skin, such that formulation is injected through the space between the needle and the polymer wrap.
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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