9. Air/water valve (MH-438)
8. Suction valve (MH-443)
7. UP/DOWN angulation lock
6. UP/DOWN angulation control knob
14. Color code
11. Insertion section limit mark
12. Bending section
Suction cylinder
Air/water cylinder
Grip section
13. Remote switches
1 to 4
Distal end
Insertion section
Instrument channel port
Biopsy valve (MB-358)
Insertion tube
Top view
Control
section
Boot
17. Flexibility adjustment ring
18. Zoom lever
10. Instrument channel
Marks
15. RIGHT/LEFT angulation lock
16. RIGHT/LEFT angulation control knob
Mark