Surgery – Liquid medicament atomizer or sprayer
Reexamination Certificate
2007-11-20
2010-10-05
Douglas, Steven O (Department: 3771)
Surgery
Liquid medicament atomizer or sprayer
C128S203120, C128S203140, C128S205230
Reexamination Certificate
active
07806116
ABSTRACT:
An apparatus for metering the delivery of an aerosol. The apparatus has a variable acoustic source and a microphone, both acoustically coupled to a volume having a fluid region and an air region. The apparatus may also include a processor to determine a volume of the air region based on signals received from the microphone and the variable acoustic source. A fluid valve is coupled to the processor, and is configured to allow an amount of fluid to exit the fluid region associated with the volume of the air region. An atomizer, coupled to the fluid region, is configured to aerosolize at least a portion of the fluid.
REFERENCES:
patent: 7305984 (2007-12-01), Altobelli et al.
Altobelli David E.
Beavis Russell
Gray Larry B.
Kane Derek G.
DEKA Products Limited Partnership
Douglas Steven O
Temple Michelle Saquet
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