Emergency ventilation tube

Details Emergency ventilation tube Emergency ventilation tube

A - Human Necessities

61

M

2/81, 137/1.5

A61M 16/00 (2006.01)

Patent

CA 1183057

Abstract of the Disclosure An emergency esophageal ventilating airway includes coaxial tubular members insertable through a patient's mouth and into the esophagus. The coaxial tubes are attached to a coupling which is inserted into a standard face mask. The longer, inner, one of the tubes extends into the lower esophagus and has an inflatable occluding cuff at its inner or lower end while the outer end extends through the coupling and mask to the atmosphere providing a clear venting passage from the stomache. The outer tube has holes lying near the laryngeal region and communicates, through chambers in the coupling, with a ventilating gas supply A second embodiment includes tubes of equal length in concentric relationship, the cuff being on the outer tube. In the second embodiment, the inner tube is distensible so that, when relaxed, maximum air flow volume is available. The inner tube expands to permit passage of an NG tube.

383614

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