DEVICE FOR ORAL ADMINISTRATION OF AN AEROSOL FOR THE RHINOPHARYNX, THE NASAL CAVITIES OR THE PARANASAL SINUSES

摘要

The device for administration of an aerosol, consisting of a generator of particles of which the size is between 10 nm and 200 µm, a mouthpiece or mouth mask for oral administration of the aerosol during the nasal exhalation phase or during the respiratory pause phase preceding nasal exhalation, and a source of gas or pressure for conveying the particles, is characterized in that the mouthpiece is airtight, extends beyond the teeth of the patient by a maximum length of 4 cm, and constitutes the means for administration of the aerosol for the nasal cavities, the rhinopharynx or the paranasal sinuses during the administration of the aerosol, making it possible for the aerosol to be successively applied to the mouth, the rhinopharynx and then the nasal fossae and the sinuses, and then said aerosol to escape via one or both of the nostrils of the patient, and in that the device does not allow exhalation via the mouth during the aerosol administration phases, the aerosol particles not being directed to the lungs.