Single inlet prepackaged inhaler

Details Single inlet prepackaged inhaler Single inlet prepackaged inhaler

1984-09-18

1987-09-01

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Including supply holder for material

Fluid pressure discharge means

12820018, 12820021, 2395903, 2395905, 261 782, 261DIG65, A61M 1106

Patent

active

046903321

ABSTRACT:
An apparatus (22) for applying medication as an aerosol includes a fluid supply channel (96) for supplying fluid from a container (24) of a mixture of propellant and medication wherein the fluid supply channel is adapted to accept a nozzle (26) coupled to the container for receiving the mixture and wherein the fluid supply channel has a first cross-sectional area. A first chamber (30) at a first downstream portion from the fluid supply channel has a second cross-sectional area (34) for expanding the fluid and for forming a first flow condition. A chamber (36) is supplied downstream from the fluid supply channel for changing the first flow condition.

REFERENCES:
patent: 3230924 (1966-01-01), Hughes
patent: 3652015 (1972-03-01), Beall
patent: 4116387 (1978-09-01), Kremer, Jr. et al.
patent: 4228795 (1980-10-01), Babington
patent: 4241877 (1980-12-01), Hughes
patent: 4301970 (1981-11-01), Craighero
"Aerosolized Drug Delivery Accessories" by A. J. Curie, S. Ertefaie & J. J. Sciarra, Aerosol Age, Mar. 1984, pp. 24-26.
"Metered-Dose Aerosol Administration" by Martin Tobin, MD, (paper presented at American Assn. of Respiratory Therapy 28th Annual Convention and Exposition, Oct. 30-Nov. 2, 1982, New Orleans, LA), pp. 16-20.

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