Speech facilitator tube and valve

摘要

Into patients intubated with an endotracheal tube for patient ventilation, a sound tube is inserted into the hypopharynx. A valve between the endotracheal tube and the ventilator can be manually actuated so that the patient's exhaled breath passes through a buzzer in the sound tube. The sound emanates from a location just above the natural vocal chords and can be articulated into intelligible speech by lips and tongue.