Inhalers, and powder cartridge system for use with this inhaler for administering powdered medicine

To improve the safety and reliability of administration of powdered medicament through a dry powder inhaler, the present invention is manually actuated by the patient for repeatedly metering a single dose of drug to be administered to the patient the actuating device for being (4), the counter or indexing means each time a is actuated actuator to be released (4) by the patient for administration a single dose of the drug to the patient (8) advancing mechanism for advancing and (25) is provided, and the counter or indexing means (8) comprises an index (9), by the index (9) is inhaler detecting means (10) detection is possible, and detecting means (10) is connected to the locking mechanism (12), a locking mechanism (12) an inhaler from detection after metering cycle a predetermined number of indicators (9) ( 1) operating instrumentation of (4) and / or has any transport mechanism (5) to block, the inhaler for powdered medicament (1), and has proposed a cartridge (3).