Control-Cric Cricothyrotomy System by Pulmodyne and Dr. Richard Levitan. Part 1.
Control-Cric consists of the Cric-Knife and Cric-Key. Both inventions by Richard Levitan in making Surgical Airways easier and less difficult in the battlefield. And eventually in Civilian Life. Demostration part one as he has instructed on his pamphlet that the packing his devices come in.