DRY-POWDER INHALER FOR PATIENTS WITH VENTILATORY DYSFUNCTION

摘要

The invention relates to an inhaler for administering medication as dry powder, by inhalation, in variable preset doses and at preset hours, to patients suffering from ventilatory dysfunction. According to the invention, the inhaler comprises a dry powder dosing device (1) comprising a reservoir (R) wherethrough a worm shaft (A) passes and entrains the powder in the reservoir (R) through a tube (T), where the shaft (A) is driven by a stepper motor (M) controlled by a microcontroller, within the tube (T) there being a body ( C) wherethrough some hexagonal tubes pass, having the role of both directing the air current inspired by a patient and creating a pressure difference between two pressure sensors (P1 and P2) required for the calculation of the air flow inspired by a patient.