Aerosol medication delivery system

Details Aerosol medication delivery system Aerosol medication delivery system

1996-12-13

1998-04-14

Millin, Vincent

Surgery

Liquid medicament atomizer or sprayer

Pre-pressurized container holding medicament

12820524, 12820324, 137527, 1375278, A61M 1100

Patent

active

057380872

ABSTRACT:
An apparatus for use in conjunction with a multi-dose inhaler which includes a novel valving mechanism and an expansion chamber which permits medication to be delivered to the patient without the need for precise timing of canister actuation. The apparatus also includes a filter unit for filtering the patient's exhaled breath and also includes a unique baffling arrangement which functions to decrease average aerosol particle size for better targeting the desired lung area. In one form of the invention, the valving mechanism comprises an apertured elastomeric valve member having a top pivot bar which uniquely pivots on a pair of pivot posts provided on proximate the upper margin of a novel valve member engaging, generally planar base.

REFERENCES:
patent: 3809119 (1974-05-01), Cave
patent: 4063570 (1977-12-01), Mitchell et al.
patent: 4201241 (1980-05-01), Schertler

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