Nebulizer
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United States of America Patent
Stats
-
May 19, 1981
Issued Date -
N/A
app pub date -
Mar 5, 1980
filing date -
Dec 12, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A nebulizer for use in connection with a lung ventilating system characterized in providing a dual stage atomization of medicament carrying liquid. A first stage develops an aerosol exhibiting an initial, relatively larger average liquid particle size which is introduced to a chamber at a given stagnation pressure. From that chamber, a second atomization is carried out by passing the gas entrained liquid particles through a knife edge orifice to produce a rapid expansion free-jet flow and consequent particle breakdown to achieve a desired particle size distribution.
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Family
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