Patent ID: 7681569

Claim:
A method of preparing medication for inhalation, comprising: providing a medication delivery device that includes a body and a nozzle, the body including a first end having a first converging chamber defined therein and a second end having a second converging chamber defined therein, a vertex of the first converging chamber intersecting with a vertex of the second converging chamber, a portion of the nozzle positioned in the second converging chamber, a vortex chamber being defined between the nozzle and a surface of the second converging chamber, the nozzle defining a nozzle passage along a central axis thereof that is open adjacent to the vertex of the second converging chamber; introducing a supply of air in the vortex chamber to create a vortex flow; introducing a supply of liquid medicine through the first converging chamber into the vortex flow at the vertex of the second converging chamber; breaking down the supply of liquid medicine to a particle size of approximately 20 micrometers in diameter or smaller; delivering a mixture of the supply of air and the supply of liquid medicine having a particle size of 20 micrometers in diameter or smaller through the nozzle passage and out of the medication delivery device.