Patent ID: 6354290
Filing Date: 2002-03-12
Classification: A61M

Abstract:
Inhalation apparatus for dispensing a product comprising a housing adapted to receive a pressurised dispensing container and a mouthpiece, a duct for conveying, in use, product from the container to the mouthpiece, a sliding seal member movable under action of triggering means between a first position in which the duct is closed and a second position in which the duct is open, wherein a spring means is provided to bias the sliding seal member towards the second position, at least one air inlet for allowing air into the housing and a flow sensor being activatable, by means of an airflow created when a user applies suction to the mouthpiece, to activate said triggering means such that said sealing member is moved by said spring means into its second position to allow product to be dispensed into the airflow.