Method for using a dry powder inhaler

A method of using a dry-powder inhaler, said method being characterized in that it comprises the following steps:

• providing a dry-powder inhaler (100;
• 200) comprising:
• a body (110;
• 210) containing a dispersion chamber (111;
• 211);
• a dispenser orifice (131;
• 231) through which the user inhales;
• a loading opening (121;
• 220) that receives a capsule (10) containing a dose of dry powder for inhaling;
• and at least one movable portion (130;
• 260) that moves relative to said body between a first end position and a second end position;
• inserting a full capsule (10) into said loading opening (121;
• 220);
• moving said movable portion from one of its end positions to its other end position so as to open said capsule and empty the powder that it contains into said dispersion chamber;
• inhaling said powder through said dispenser orifice;
• and
• returning said movable portion towards its initial position so as to open said dispersion chamber and eject the empty capsule from said dispersion chamber.