The invention provides various apparatus and methods for aerosolizing a powdered medicament. In one exemplary embodiment, an apparatus includes a pressurization cylinder, and a piston which is slidable within the cylinder to pressurize a gas. A handle is coupled to the piston and is movable between an...http://www.google.ca/patents/US6546929?utm_source=gb-gplus-sharePatent US6546929 - Dry powder dispersing apparatus and methods for their use
