Speech facilitator tube and valve

Details Speech facilitator tube and valve Speech facilitator tube and valve

1987-05-26

1988-10-04

Chambers, A. Michael

Surgery

Respiratory method or device

Respiratory gas supply means enters nasal passage

12820715, 12820716, 623 9, A61M 1508

Patent

active

047749458

ABSTRACT:
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.

REFERENCES:
patent: 4280492 (1981-07-01), Latham
patent: 4449523 (1984-05-01), Szachawicz et al.
patent: 4459984 (1984-07-01), Liegher
patent: 4573460 (1986-03-01), Szachawicz et al.
patent: 4593689 (1986-06-01), White
patent: 4612664 (1986-09-01), Walsh et al.
patent: 4633864 (1987-01-01), Walsh

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