Delivery device for a powder aerosol

A delivery device for a medicament, comprising:

• a housing,
• a receptacle containing a medicament in the form of a powder,
• a power source comprising a propellant gas, wherein the housing receives the receptacle opposite of the power source,
• an inlet path that provides a direct path for the propellant gas to reach the receptacle,
• the housing comprises an inlet and an outlet for the receptacle, the inlet being in fluidic communication with the inlet path, and
• the inlet directs the propellant toward the medicament, and the outlet is positioned away from the medicament.

A method of dispensing a medicament as an aerosol to a patient, comprising:

• providing a receptacle having an opening, the receptacle containing a medicament in powder form;
• connecting the receptacle to a housing, the housing having a stem block comprising an outlet path and an inlet path, the outlet path is in open communication with an outlet, the inlet path is in open communication with an inlet, a venturi, and a propellant gas opening,
• discharging a propellant gas into the propellant gas opening and through the venturi to the inlet path, the inlet path directing the propellant gas through the inlet towards the medicament, the medicament being spaced from the medicament;
• and
• forming an aerosol by transfer of energy from the propellant to the medicament;
• and discharging the aerosol through the outlet of the housing provided at the opening of the receptacle.