Esophageal obturator airways (EOAs) (Fig, 14-5)—the pharyngotracheal lumen airway, and the esophageal tracheal Combitube—are all devices used in the prehospital setting when oral endotracheal intubation is not a viable option. These devices are designed to be placed in apneic, unconscious adults only.
FIG. 14-5. A. Esophageal obturator airway. B. Esophageal gastric tube airway. C. Pharyngotracheal lumen airway. D. Esophageal tracheal Combitube. E. Tracheoesophageal airway. (Used with permission.)
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