Auxiliary device for use with aerosol container

Details Auxiliary device for use with aerosol container Auxiliary device for use with aerosol container

A - Human Necessities

61

M

128/73

A61M 15/00 (2006.01)

Patent

CA 2014640

An auxiliary device is provided for use with a metered-dose aerosol device. The auxiliary device comprises a chamber (2) having an inlet (3) adapted to receive the metered-dose aerosol device, and an outlet. A mask (30) adapted to communicate with the nose and/or mouth of an infant or young child communicates with the chamber outlet via a first valve (10) which permits the infant or young child to inhale aerosol-carrying air from the chamber, and communicates with atmosphere via a second valve (15) permitting exhalation therethrough. The distance between the chamber inlet and the chamber outlet is such that the mass percentage of aerosol particles having a diameter of from 1.0 microns to 5.0 microns is substantially a maximum at the chamber outlet, and the volume of the chamber is from 200 - 500 ml.

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