Patent ID: 7493898

Claim:
An aerosol inhalation apparatus for delivering a medicament containing mist to a patient comprising: (a) a housing including: (i) a first chamber having an inlet, an outlet and baffle means for providing a circuitous fluid flow path through said first chamber; and (ii) a second chamber having an inlet in communication with said first chamber and an outlet; and (iii) a third chamber having an inlet in communication with said second chamber, and an outlet in communication with said first chamber; and (b) nebulizing means connected to said housing for communication with said first chamber for nebulizing a fluid medication containing the medicament to produce a particulate laden spray and for introducing said particulate laden spray into said first chamber; (c) a first flow control means for controlling fluid flow outwardly of said outlet of said third chamber; and (d) a second flow control means for controlling fluid flow between said outlet of said first chamber and said second chamber.