Chapter 4 Operation
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ULTRASOUND GASTROVIDEOSCOPE GF-UCT180
4.4 Withdrawal of the endoscope and inspection of
air/water and balloon channels
Withdrawal of the endoscope
If blood unexpectedly adheres to the surface of the insertion
section of the withdrawn endoscope, carefully check the
condition of the patient.
1. When using the balloon method, aspirate water from the balloon by
depressing the suction valve while covering the hole in the valve.
2. Freeze the ultrasound image.
3. Aspirate the accumulated air, blood, mucous or other debris by depressing
the suction valve to the first stage while covering the hole in the valve.
• Observe the ultrasound image on the video monitor and
confirm that the balloon deflates.
• If the balloon does not deflate even when the suction valve is
completely depressed, turn OFF the switch of the airflow
regulator and remove the air/water valve from the
endoscope. In most cases, the balloon will be automatically
deflated.
• If the balloon does not deflate even when the air/water valve
is removed from the endoscope, tear and deflect the balloon
with the EndoTherapy accessory (for example, biopsy
forceps).
4. Turn the UP/DOWN and RIGHT/LEFT angulation locks to the “F ”
direction to release them.
5. Carefully withdraw the endoscope while observing the endoscopic image.
6. Remove the mouthpiece from the patient’s mouth.
7. When using the balloon method, remove the balloon as described in Section
4.5, “Removal of the balloon” and discard it.
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