Medicament inhalation device and formulation
AssigneeFisons Limited
InventorsAndrew R. Clark, John L. Hart
Life of this patent
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Abstract
A device for the administration by inhalation of a medicament in powdered form comprises a medicament reservoir (3) and metering means for dispensing a dose of medicament from the reservoir (3), characterized in that the reservoir (3) comprises a compacted body of powdered medicament (10) and the metering means includes means (11) for abrading the compacted body (10).
Claims17
A device for administration by inhalation of a medicament in powdered form, adapted to contain a compacted body of powdered medicament and metering means for dispensing medicament from a medicament reservoir, the metering means including means for abrading the compacted body;
- wherein a biassing means or screw means is provided for moving the compacted medicament body and the abrading means towards one another to permit a correct amount of medicament to be abraded from the compacted medicament body for one dose.
A device for administration by inhalation of a medicament in powdered form, comprising a medicament reservoir containing a compacted body of powdered medicament and metering means for dispensing medicament from the reservoir, the metering means including means for abrading the compacted body, wherein biassing means or screw means is provided for moving the compacted medicament body and abrading means towards one another to permit the correct amount of medicament to be abraded whereby the metering means abrades predetermined doses of medicament from the compacted body.
Dependencies are inferred from the claim text.