
Chapter 3 Preparation and Inspection
35
EVIS EXERA GIF/CF/PCF TYPE 160 Series OPERATION MANUAL
5.
Using both hands, bend the insertion tube of the endoscope into a
semicircle. Then, moving your hands as shown by the arrows in Figure 3.3,
confirm that the entire insertion tube can be smoothly bent to form a
semicircle and that the insertion tube is pliable. When inspecting
endoscopes with flexibility adjustment, perform the test with the insertion
tube at both its most-flexible and most-rigid settings (for endoscopes with
flexibility adjustment only).
Figure 3.3
6.
Gently hold the midpoint of the bending section and a point 20 cm from the
distal end. Push and pull gently to confirm that the border between the
bending section and the insertion tube is not loose.
7.
Inspect the objective lens at the distal end of the endoscope’s insertion tube
for scratching, cracks, stains or other irregularities.
8.
Inspect the air/water nozzle at the distal end of the endoscope’s insertion
tube for dents, bulges, swelling or other irregularities.