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Conservative procedure of treatment for a patient with chronic sinusitis was performed by means of inserting a drainage tube into a maxillary sinus through a wall of under nasal meatus and leaving it. It established drainage and ventilation of the maxillary sinus and insert such a medicine as Rinderon VG salve and antibiotics into maxillary sinuses. Drainage tube and instrument for inserting it were developed by us. This treatment was performed in 101 maxillary sinuses of 85 cases. Improvement in subjective symptoms was obtained in 86% of cases, and it in X-ray finding was 73% of cases.

On the treatment of inserting a drainage tube into a maxillary sinus for a patient with chronic sinusitis