Mallinckrodt esophageal tracheal airway double lumen (Combitube) insertion

(A) Lubricate and insert the Combitube until the double black line is located in between the teeth.
(B) Inflate the blue pharyngeal cuff and white pilot balloons.
(C) Attach bag-valve-mask to the blue connector and assess for lung sounds and chest wall movement. Pass a gastric tube through the white distal connector and confirm suction of gastric contents.
(D) If breath sounds and chest wall movement are absent or decreased, the distal balloon may be in the trachea. Place  the bag-valve-mask on the connector for the white distal balloon and ventilate.