
2.4 Nomenclature and Functions of Endoscope Distal End
Light Guide
The light from the light source is emitted
from these windows.
Objective Lens
An image formed by this lens is displayed on the
monitor.
Balloon Air Feed Outlet
The air supplied from the balloon air feed inlet
exits from this outlet. When air is removed from
the balloon air feed inlet, the air inside the balloon
is take in from this outlet.
Air/Water Nozzle
This nozzle jets air or water onto the objective lens
with the air/water valve operation.
Cover
Instrument Channel Outlet
Forceps or endotherapy device emerges
from this part. This portion is also used as a
suction inlet.
Imaging Section (Inside)
Chapter 2 Product Overview
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