Placement of a flexible plastic tube in the trachea to protect and support the airway and allow for mechanical or artificial respiration. This is usually done when the patient is asleep.
In general anesthesia, where a patient slips from a conscious to an unconscious state after the administration of anesthetic drugs.
The machine used by anesthesia providers to deliver anesthetic gases and breathing during surgery. The machine has vital controls for the flow of oxygen, air, nitrous oxide, and anesthetic gases.