Noun
a surgical operation that creates an opening into the trachea with a tube inserted to provide a passage for air; performed when the pharynx is obstructed by edema or cancer or other causes
Source: WordNetA surgical procedure known as a tracheostomy is sometimes needed to open the airway in severe cases. Source: Internet
It soon replaced tracheostomy as the emergency diphtheric intubation method. citation In 1888, Emile Roux and Alexandre Yersin showed that a substance produced by C. diphtheriae caused symptoms of diphtheria in animals. Source: Internet