A dry powder inhalation apparatus (1), comprising a reservoir (2) for medication, a mouthpiece (3 ') for insertion into the mouth of a user to inhale a predetermined dose of medication, a supply channel (3) between a discharge outlet (4 ') of the reservoir (2) and the mouthpiece to deliver said predetermined dose of medication, a device (4) normally attached adjacent to the reservoir to receive said predetermined dose from said outlet (4 ') for downloading and transferring it to the supply channel (3), and a mechanism adapted to release the device (4) and to allow controlled movement thereof to the supply channel (3) for said supply; The apparatus (1) additionally comprises a cup (15) for receiving said dose and a longitudinally sliding body that mounts said cup (15), the mechanism comprising a stop means (16) that is movable to release the device for movement to the supply channel (3); the body of the stop means (16, 110) being movable by means of an actuation means; and in which the apparatus additionally comprises a yoke element (12) whose body is movable to and from the mouthpiece (3 '), and mounting members one of which has a cam probe (53) to follow a cam that is rotatable for the actuation of the yoke element; and characterized in that the yoke element carries the actuation means in the form of a ramp (54, 112) by which at least a part of the device can ascend with a controlled movement thereof towards the supply channel (3).Un aparato (1) de inhalación de polvo seco, que comprende un deposito (2) para medicamento, una pieza bucal (3') para su inserción en la boca de un/a usuario/a para inhalar una dosis predeterminada de medicamento, un canal (3) de suministro entre una salida (4') de descarga del depósito (2) y la pieza bucal para suministrar dicha dosis predeterminada de medicamento, un dispositivo (4) normalmente sujeto adyacente al depósito para recibir dicha dosis predeterminada desde dicha salida (4') de descarga y transferirla al canal (3) de suminist