Needle assisted jet injector
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United States of America Patent
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-
Aug 17, 2010
Grant Date -
Apr 14, 2005
app pub date -
Dec 3, 2004
filing date -
Aug 11, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A jet injection device with a fluid chamber in a housing member for holding about 0.02 ml to about 3 ml of a medicament. An injection-assisting needle has an injection end that extends from the housing for inserting into a patient to a depth of up to about 5 mm. A force-generating source is configured to apply a pressure reaching about 100-1000 psi to the medicament in the chamber to expel the medicament through the injecting end of the needle.
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