An endotracheal intubation device includes an inflatable cuff connected to an inflation tube, visualization means, where the visualization means include means to enlighten and an image guide, where the means to enlighten, the image guide, and the inflation tube are associated to a first three ways connector adapted to connect the endotracheal intubation device to a control panel； a packaging is also provided containing the endotracheal intubation device wherein the first three ways connector is placed across the packaging so as to allow checking the endotracheal intubation device without impairing its sterility with an endotracheal intubation device tester； an intubation method is further provided using the packaging, the control panel and the endotracheal intubation device tester.
