Patent ID: 7658721

Claim:
A dry powder drug delivery device for administration of a powdered drug formulation to the sublingual region of the oral cavity, comprising a dispenser body housing, a mouthpiece comprising a distal end, a proximal end and a portion defining a hollow conduit, wherein the distal end is configured for insertion into the sublingual region of the oral cavity of a human, wherein the hollow conduit comprises a first opening at the distal end of the mouthpiece and a second opening at the proximal end of the mouthpiece, and wherein the opening at the distal end of the mouthpiece is smaller than the opening at the proximal end of the mouthpiece, wherein the hollow conduit mixes, disperses, directs, and aerosolizes the powdered drug formulation in use, a chamber configured for the placement of one or more drug dosage storage means selected from the group consisting of drug cartridges, drug discs, drug dose ribbons and drug blister packs, means for opening the one or more drug dosage storage means, and means for dispensing a dosage from the one or more drug dosage storage means into the proximal end of the mouthpiece with sufficient force for the dosage to travel through the hollow conduit and out of the opening at the distal end of the mouthpiece, wherein the means for dispensing a dosage is selected from the group consisting of a gas canister and spring piston.