Treat respiratory disorders associated with sleep. Effectively prevent obstruction of the respiratory tract. Resuscitation of patients in places of relief. Controlled artificial respiration of people. Stop-respiratory therapy. Ensure a homogeneous breathing with regular respiratory parameters. Treat obstructive and restrictive disorders. Treat neurological, muscular and neuromuscular disorders. Treatments of respiratory regulation. Treat obstructive sleep apnea syndrome. (The indications and uses depend on the model or reference of the system and are mentioned in each instruction manual)