Abstract: An endotracheal tube comprises: a main flexible hollow tube member including an annular wall for forming a large central lumen for the input transport of oxygen and for the output transport of the products of respiration or of suctioning; a small lateral lumen being located in such hollow tube member annular wall for the input transport of medication to be delivered distally to the internal lining of the lungs; and an ejection ring being located at the most distal annular surface of such hollow tube member annular wall, such ejection ring including a rear input channel for receiving the medication from such small lateral lumen, and including a plurality of uniformly spaced apart front output openings or orifices for ejecting such medication as a spray distally.