Nebuliser and nebuliser control system
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United States of America Patent
Stats
-
Sep 3, 1996
Grant Date -
N/A
app pub date -
May 10, 1994
filing date -
Nov 12, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A nebulizer for use in administering a medicament to a patient undergoing treatment for example, comprises an ultrasonic piezo-electric transducer (60) and a transducer drive system (D) which is caused to drive said transducer at or near its anti-resonant frequency. There is also provided means to optimize nebulized fluid particle size and transfer to the patients lungs for example, by operating at an anti-resonant frequency in the range of 1.36 to 1.56 MHz and having a single outlet baffle and relatively short outlet tube (24) arrangement.
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