Double-lumen bronchial catheter with adjustable lumens

The utility model relates to a double-lumen bronchial catheter with adjustable lumens, which comprises a tracheal catheter, wherein the tail end of the tracheal catheter is connected with a main bronchial catheter, and the double-lumen bronchial catheter is characterized in that a tubular connector is sheathed at the upper end of the tracheal catheter, a small partition board is arranged in the connector for dividing the connector into a left cavity and a right cavity, and a left connecting tube and a right connecting tube are respectively sheathed in the left cavity and the right cavity of the connector; an elastic diaphragm is arranged in the tracheal catheter for dividing an inner cavity of the tracheal catheter into a first cavity and a second cavity with equal size, the upper end of the elastic diaphragm is connected with the small partition board, and the lower end is connected with the inner side wall of the main bronchial catheter; a tracheal tampon is arranged at the lower end of the tracheal catheter, and a main bronchial tampon is arranged on the main bronchial catheter; and a left thin tube and a right thin tube are respectively arranged on the tracheal catheter. The double-lumen bronchial catheter can not only protect the pulmonary function of a patient, but also expand the practical age range of the double-lumen bronchial catheter.