Assertion: endotracheal tube | /r/HasProperty | passed into the trachea of a patient
Facets:
value: to maintain a patent airway
type: PURPOSE
value: normally
type: DEGREE
Source sentences:
text: An endotracheal tube (ETT) is normally passed into the trachea of a patient to maintain a patent airway and allow the delivery of oxygen/air/anesthetic gases and vapors to the patient.