In a therapeutic device for respiratory passages (1) for the treatment of respiratory problems, comprising at least one pipe section (3) which has at least one passage duct (4) through which air (5) can be inhaled or exhaled and at least one elastic hose (8) with its first free end (9) arranged on one free end on one of the pipe sections (3) and which can vibrate during inhalation or exhalation in one flow direction (6) because of the throughflow, the hose (8) should be able to be exchanged in a straightforward and uncomplicated procedure even by people with restricted finger mobility or manual dexterity.This task is achieved in that the circumference of the first free end (9) of the hose (8) is smaller than or equal to the circumference of the passage duct (4) of the free end of the pipe section (3), that the width (b) of one of the long sides (14) of the first free end (9) of the hose (8) is larger than the width or diameter (d) of the passage duct (4), that areas of the hose (8) can be inserted into the passage duct (4) by compressing the long side (14) and that the hose (8) is held in the passage duct (4) by a preload force after having been inserted.
