The new medical supplies research is section of rigorous long processes, therefore some new equipment going on the market is often expensive and difficulty
promotion.The author has engaged in the clinical anesthesia practice for 30 years , got the idea to attach a new type video monitor to traditional laryngoscope . It reduces the production cost and make intubation easier. Because of its simple operating mode,
besides department of anesthesia and the ER, It can be promoted in various hospital wards unit and the rescues unit to benefit more populace.