Needle assisted jet injector
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United States of America Patent
Stats
-
Aug 6, 2002
Grant Date -
Jan 24, 2002
app pub date -
Feb 24, 1999
filing date -
Aug 11, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A needle assisted jet injector and method for jet injecting medicament are disclosed. In one embodiment of the injector, the needle is retractably located within an injector nozzle assembly. Upon activation of the energy source, a portion of the needle extends past the nozzle assembly and penetrates the outer layer of skin to deliver the medicament via jet injection to a deeper region. After activation, the needle retracts back into the nozzle assembly. In another embodiment, the needle is fixed to the end of the nozzle assembly. In both embodiments, the length of the portion of the needle that penetrates the skin is less than 5 mm.
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Family
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