A tube (30) for inducing gases into critically ill patients, in which the distal end (20) is perforated, and covered with an inflatable-deflatable sleeve (36). Gas is pumped into the proximal end of the tube (30), which inflates the sleeve (36) engaging the inner walls of an airway. The gas, typically a mixture of oxygen, subsequently exits the sleeve (36) and enters the airway. Auxiliary accessories (80) can be attached to the tube (30).