A soft oral airway comprising an elongate hollow tubular member having a proximal and a distal end, wherein the member comprises a soft flexible material and an opening at the distal end of the elongate tubular member for insertion into the mouth and pharynx of a patient with the distal end leading the...http://www.google.es/patents/US7171962?utm_source=gb-gplus-sharePatente US7171962 - Soft oral airway for intravenous anesthesia and method of use
Soft oral airway for intravenous anesthesia and method of use