04534343 is referenced by 139 patents and cites 8 patents.

A metered dose inhaler is provided for inhalation of asthmatic medication. An upright cylindrical air chamber has structure at the top for receiving a pressurized canister of asthmatic medication and for conducting metered doses thereof into the air chamber. A one way valve is provided at the bottom of the air chamber to admit air but to preclude escape of mist. A mouthpipe is provided at the top of the chamber on one side thereof for insertion in a patient's mouth. A deflectable diaphragm is provided in cooperation with the mouthpipe so that when a patient inhales the diaphragm deflects to permit the mist in the air chamber to be inhaled, air entering the one way valve of the bottom of the air chamber to supplant the mist. When the patient exhales the diaphragm closes, and the exhaled air is bypassed to the outside.

Title
Metered dose inhaler
Application Number
6/574340
Publication Number
4534343
Application Date
January 27, 1984
Publication Date
August 13, 1985
Inventor
Alfred G Brisson
Schaumburg
IL, US
Christopher Nowacki
Arlington Heights
IL, US
Agent
Trexler Bushnell & Wolters
Assignee
Trutek Research
IL, US
IPC
A61M 15/00
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