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Chapter 4 Operation
ULTRASOUND GASTROVIDEOSCOPE GF-UCT180
• Set the brightness of the light source to the minimum level
necessary to perform the procedure safely. If the endoscope
is used for a prolonged period at or near maximum light
intensity, vapor may be observed in the endoscopic image.
This is caused by the evaporation of organic material (blood,
moisture in stool, etc.) due to heat generated by the light
guide near the light guide lens. If this vapor continues to
interfere with the examination, remove the endoscope, wipe
the distal end with a lint-free cloth moistened with 70% ethyl
or isopropyl alcohol, reinsert the endoscope, and continue
the examination.
• The color tone and brightness of NBI observation mode is
different from WLI observation mode. Use NBI observation
mode only when fully understanding its features.
4.1 Insertion
Holding and manipulating the endoscope
The control section of the endoscope is designed to be held in the left hand. The
air/water and suction valves can be operated using the left index finger. The
UP/DOWN angulation control knob and the elevator control lever can be
operated using the left thumb. The right hand is free to manipulate the insertion
section and the RIGHT/LEFT angulation control knob (see Figure 4.1).
Figure 4.1
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