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1. 发明申请

WO2004028601A1 SYSTEMS FOR CONTROLLING INJECTION RATE THROUGH A HYPODERMIC NEEDLE 审中-公开
标题翻译：通过高频针控制注射速率的系统
公开(公告)号：WO2004028601A1
公开(公告)日：2004-04-08
申请号：PCT/US2003/030733
申请日：2003-09-26
申请人： BIOGEN, INC. , BITDINGER, Ralf, V.
发明人： BITDINGER, Ralf, V.
IPC分类号： A61M5/34
CPC分类号： A61M5/32 , A61M5/16804 , A61M5/16877
摘要： A system to control the flow of fluid through a hypodermic needle is provided. The system includes an elongated needle having an injection end, a fluid receiving end opposite the injection end, and a fluid pathway extending between the receiving end and the injection end. The system also includes a member (12) positioned at the fluid receiving end of the needle. The member is provided with a passage in communication with the pathway of the needle and through which fluid is introduced into the pathway of the needle. The passage includes a diameter (d) relatively smaller than (D) that of the pathway, so that fluid directed therethrough and exiting the injection end of the needle can be dispensed at a substantially uniform rate. A method for controlling the rate of hypodermic injection is also provided.
摘要翻译：提供了一种通过皮下注射针来控制流体流动的系统。该系统包括具有注射端的细长针头，与注射端相对的流体接收端以及在接收端和注射端之间延伸的流体通路。该系统还包括位于针的流体接收端的构件（12）。该构件设置有与针的路径连通的通道，并且通过该通道将流体引入到针的路径中。通道包括相对小于路径（D）的直径（d），使得能够以基本上均匀的速率分配导向穿过并穿过针头的注射端的流体。还提供了一种用于控制皮下注射速率的方法。

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