Dispensing apparatus

Details Dispensing apparatus Dispensing apparatus

A - Human Necessities

61

M

A61M 15/00 (2006.01)

Patent

CA 2051847

ABSTRACT "DISPENSING APPARATUS" An inhaler for medical aerosols includes a flow sensor 32 in the form of a piston which is movable against a spring bias 35 in response to inhalation. Movement of the piston unseats a valve member 30 allowing a pressurised dose to be released through a nozzle 67. A uniform impedance to the flow of air is provided throughout the movement of the piston to avoid any discontinuity in the flow. The apparatus is particularly suited for inhalers used in the treatment of asthma.

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