• Do not allow the insertion section to be bent within a distance of 10 cm or less from
the junction of the boot. Insertion section damage can occur.
Figure 4.2
1 If necessary, apply a medical-grade,
water-soluble lubricant to the insertion section.
Figure 4.3
2 If necessary, insert the flexible endotracheal tube into the trachea to lead the
endoscope smoothly.
3 Place the mouthpiece between the patient’s teeth or gums, with the outer flange on
the outside of the patient’s mouth.
4 Insert the distal end of the endoscope through the opening of the mouthpiece, then
from the mouth to the pharynx, while viewing the endoscopic image. When using an
endotracheal tube, insert the endoscope into the endotracheal tube.