Patent ID: 7153260

Claim:
An improved laryngoscope of the type having a stationary handle, a stationary blade having a proximal end from which it extends generally normally forwardly from the stationary handle and a distal end, a tip pivotally attached to the distal end of the stationary blade, a movable handle pivotally attached to the proximal end of the stationary blade and operatively connected to the tip, and an arm operatively attached to the movable handle and the tip and pivoting the tip downwardly when the movable handle is moved towards the stationary handle depressing the epiglottis, said improvement comprising: a) movable blade; b) said movable blade being pivotally attached to the stationary blade and affixed to the movable handle for movement therewith so as to allow said movable blade to pivot away from the stationary blade when the movable handle is moved towards the stationary handle for spreading the posterior tissue defining the superior opening of the larynx away from the epiglottis simultaneously as the tip depresses the epiglottis and both thereby opening up the trachea exposing the larynx; c) a lock: d) said lock including the movable handle having a distal end with a through bore therethrough; and e) said through bore through the distal end of the movable handle defined by a boundary, wherein said improvement comprises said lock including the stationary handle having a distal end from which extends, at a spring end, a strip.