Safety and Efficacy of Cleverscope. A New Medical Device for Tracheal Intubation

Cleverscope is a new medical device that transform a laryngoscope into a videolaryngoscope. previous its commercialization we evaluate its safety and efficacy.

the investigators develope two part study. part I: the investigators collect data of 50 patients prospectively programed for general anesthesia and tracheal intubation without predictors of difficult airways. this patients were intubated with cleverscope, the investigators register best cormack-lehane (glottic vision) obtained with Cleverscope and best cormack obtained with direct laryngoscopy. the investigators register intubation succes rate and any complications during its use and after extubation. part II: after confirm safety and efficacy in patients without difficult airways (part I) the investigators use Cleverscope for the same pourpose on difficult airways patients. collecting same data . the investigators compare cormack-lehane in this patients with Cleverscope and commercial Videolaryngoscope C-MAC.