| abstract |
The powder inhaler has a rotatable and / or displaceable active substance magazine (12), which is moved by means of a control cam mechanism by rotating and / or shifting such that there is always a chamber (12) pre-filled with the active substance mixture in front of the air inlet opening (23). The patient's breathing air flow is passed through the device such that the air flow empties the chamber (12) with the active substance mixture. The active ingredient mixture is broken down into respirable particles in a cyclone chamber (41) or on a baffle plate, then enveloped and inhaled by a stream of pure air. |