AN IMPROVED DEVICE FOR METERED ADMINISTRATION OF MEDICAMENT BY INHALATION

摘要

An improved device for metered administration of medicament by inhalation orally comprises of a container for receiving a circular cartridge of medicament. The cartridge has a plurality of cavities along its circumference to hold a predetermined quantity of medicament. Each cavity is sealed by a pierceable sealing means. A piercing member pierces the said sealing means and thereby penetrates into the cavity. The piercing member has a hollow cylindrical part in fluid communication with an inhalation nozzle. The container has a view window at a location below the nozzle to enable the user to ascertain the evacuation of medicament from the cavity pierced for use.