Abstract: A medication inhalation device includes a housing having a through-going pathway connecting an air inlet with an air outlet, a medicament reservoir adapted to receive a compacted body of powdered medicament, and metering means for dispensing a predetermined dose of medicament from the reservoir into the through-going pathway, the metering means including means for abrading the compacted body; the device is provided with a shutter movable between a first position in which the compacted body is isolated from the through-going pathway and a second position in which the compacted body is in communication with the through-going pathway wuch that a dose of medicament can be dispensed from the reservoir into the through-going pathway.

Abstract: A device for the administration by inhalation of a medicament in powdered form. The device includes a supply of the medicament in the form of a compacted body of powered medicament, a rotatable helical blade which abrades a desired quantity of the medicament from the compacted body, and a mouthpiece through which the abraded powder can be inhaled by the user of the device.