Simplified disposable needle-free injection apparatus and method
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United States of America Patent
Stats
-
Nov 11, 2003
Grant Date -
Sep 5, 2002
app pub date -
May 23, 2001
filing date -
Mar 5, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
One form of the present invention provides a needle-free injection system including the following components: a cartridge for holding liquid drug prior to injection, the cartridge having a rear end and a front end; a plug mounted to the front end of the cartridge, the plug including a channel; a displaceable valve positioned within the channel prior to injection; and a nozzle portion for receiving liquid drug from the glass cartridge for injection, the nozzle portion including an injection orifice and a drug chamber having a valve seat designed to receive the valve to facilitate injection of liquid drug through the injection orifice.
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Family
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