An endotracheal tube (1) for selective bronchial occlusion for use in medical and surgical procedures in hospitals, and for on-site post-trauma medical stabilisation procedures, where it is often necessary to intubate the lungs with a view to isolating and occluding one lung and ventilating the other lung, the endotracheal tube (1) having a central channel (5) extending throughout its entire length with an opening at each of opposed distal (3) and proximal (4) ends thereof, the opening at the proximal end of the tube being adapted for connection to a ventilation device and the opening at the distal end comprising a first or distal air vent for venting air into the lungs, the bronchial/tracheal tube having separate spaced apart distal and proximal peripherally inflatable portions (6 and 7) at the distal end of the tube and at a proximal location relative thereto, respectively, and a second or proximal air vent opening (8) in the sidewall of that portion of the tube extending between the distal and proximal inflatable portions (6 and 7) wherein the distal inflatable portion (6) is inflatable both radially outwardly (as at 9) adapted to seal against the surrounding bronchus and radially inwardly (as at 10) to seal against itself to occlude the lumen of the tube (5) and wherein the proximal inflatable portion (7) is inflatable radially outwardly (as at 11) adapted to seal against the surrounding bronchial tube.
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