Devices used for medical intubation, namely, endotracheal tubes, orogastric tubes, combination endotracheal and orogastric tubes, conduits for use in facilitating the placement of an orogastric tube in a patient, conduits for use in conjunction with an endotracheal tube for facilitating the placement of an orogastric tube in a patient, endotracheal tubes having conduits for use in facilitating the placement of an orogastric tube in a patient, adjunctive devices used with the above-listed item...