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    • 9. 发明专利
    • JPH05245201A
    • 1993-09-24
    • JP33283892
    • 1992-12-14
    • ASTA MEDICA AG
    • KENRAATO RERUKUANNE HAA DE BEERU
    • A61M13/00A61M15/00
    • PURPOSE: To provide an inhaler for an adjusted amount of powder which can be simply operated and easily cleaned over a long period of time by a patient and can dispense with the supply of an energy from outside without causing a problem with the synchronization between the release of a medicament and its suction. CONSTITUTION: This powder inhaler is equipped with rotatable and/or movable active substance magazines 1, 2, which are activated by rotation and/or movement by a control cam mechanism, so that a chamber filled previously with an active substance mixture faces an air inflow opening. An air flow to be inhaled by a patient is guided in such a manner that the chamber filled with the active substance mixture is emptied by the air flow. The active substance mixture is fractionated into a particle of such a size, in a cyclone chamber 41 or by a baffle, that can pass through the lung. Further, the particle is covered with a jacket flow of pure air and then is inhaled by the patient.