Surgery – Liquid medicament atomizer or sprayer
Patent
1997-11-26
2000-10-31
Lewis, Aaron J.
Surgery
Liquid medicament atomizer or sprayer
12820312, A61M 1100
Patent
active
061386685
ABSTRACT:
A device for accurately delivering aerosolized doses of a medicament disperses a measured amount of drug in a measured volume of carrier gas and transfers the resulting aerosol to a chamber prior to inhalation by a patient. The chamber is filled efficiently with the aerosol, and inhalation by the patient draws the aerosol dose into the lungs. This is followed by the inhalation of atmospheric air that will push the initial dose well into the lung interiors. The apparatus optimally includes a dose regulator, a counter, a clock, a dose memory and a signal to indicate when a dose is ready for inhalation. Optimal chamber designs are disclosed.
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Elliott et al., "Parenteral Absorption of Insulin From The Lung In Diabetic Children", Aust. Paediatr. J., 23(5):293-297 (1987).
Patton John S.
Platz Robert M.
Inhale Therpeutic Systems
Lewis Aaron J.
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