Fig. 3

Application of the flexible video laryngoscope. The endotracheal tube is fixed outside the guiding tube (A); the exposed glottis is observed (B); the stylet is inserted into the glottis (C); the guiding tube together with the endotracheal tube slides along the stylet (D); the stylet is pulled apart from the guiding channel together with the guiding tube and endotracheal tube (E); the arrow indicates the stylet; the guiding tube (F) and endotracheal tube (G) is pushed into the glottis; the front part of the stylet is installed into the guiding tunnel before inserting the laryngoscope (H); and the arrow indicates the stylet