Figure 2 : A: Flexible rhinolaryngoscope ENF-XP®, Olympus with a 2.2-mm outside diameter (OD) and 30-cm working length.

B: (upper) uncuffed 3.0-mm-ID endotracheal tube with rhinolaryngoscope ENF-XP®, (lower) uncuffed 2.5-mm-ID endotracheal tube with rhinolaryngoscope ENF-XP®.
C: Fiberscope-guided awake nasal intubation.
D: Nasally intubated.
E: After tracheostomy.
F: The laryngoscope could not reach the pharynx.

Sawa et al.Journal of Anesthesiology and Clinical Science  2015 4:3DOI : 10.7243/2049-9752-4-3