title: A speaking endotracheal tube.
mesh_terms: D004867:Equipment Design; D005069:Evaluation Studies as Topic; D006801:Humans; D007442:Intubation, Intratracheal / Q000295:instrumentation*; D009960:Oropharynx; D013065:Speech Intelligibility; D013071:Speech, Alaryngeal / Q000295:instrumentation*