Surgery – Liquid medicament atomizer or sprayer
Patent
1996-11-22
1998-04-28
Lewis, Aaron J.
Surgery
Liquid medicament atomizer or sprayer
12820022, 12820312, A61M 1100
Patent
active
057432503
ABSTRACT:
The need for the delivery of insulin by injection can be reduced or eliminated by a method whereby an aerosolized insulin formulation is delivered to a patient's lungs and the rate at which the insulin is absorbed into the blood is increased by the use of an inhale-exhale breathing maneuver. Particles of insulin delivered to the surface of lung tissue will be absorbed into the circulatory system. The rate of absorption is enhanced by instructing the patient to inhale maximally and thereafter exhale maximally. This maneuver causes a spike in the rate at which insulin enters the circulatory system thereby increasing the rate at which glucose is removed from the circulatory system. The insulin may be a dry powder but is preferably in a liquid formulation delivered to the patient from a hand-held, self-contained device which automatically releases an aerosolized burst of formulation. The device includes a sensor which is preferably electronic which measures inspiratory flow and volume which measurement can be used to control the point of drug release. The sensor can also assist the patient in the inhale-exhale maneuver.
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Gonda Igor
Rubsamen Reid M.
Aradigm Corporation
Bozicevic Karl
Lewis Aaron J.
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