The device described herein consists of a means inserted in the patient's mouth and adjustable to a fixed position for holding the mouth open while an automatic intubation guide is inserted for guiding an endotracheal tube into the patient's trachea. The airway opening device has an opening therein through...http://www.google.es/patents/US4793327?utm_source=gb-gplus-sharePatente US4793327 - Device for opening a patient's airway during automatic intubation of the trachea
Device for opening a patient's airway during automatic intubation of the trachea
