Particle delivery
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United States of America Patent
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-
Apr 24, 2007
Issued Date -
N/A
app pub date -
Feb 13, 1997
filing date -
Aug 17, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A needleless syringe particle delivery system is provided. The needleless syringe has an elongate nozzle that is connected at its upstream end to a sealed chamber. The sealed chamber contains gas at super-atmospheric pressure and particles of a therapeutic agent. Upon release of the gas from the sealed chamber, a flow is formed which entrains the particles and allows the particles to pass through the nozzle at supersonic speed for subsequent delivery to a target surface.
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Family
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