Chapter 13 Troubleshooting
217
ULTRASOUND GASTROVIDEOSCOPE GF-UCT180
Ultrasound function (display monitor image)
Balloon water feeding
Irregularity
description
Possible cause Solution
Echo appears where
there is no object.
Multiple echoes
generated from an
object with strong
reflection.
Move the endoscope’s distal end
to another position and check to
see if the echo in question moves
to a greater degree than other
echoes. If this happens, multiple
echoes have coalesced and
disturbed the ultrasound image.
Keep the endoscope’s distal end
away from any object with strong
reflection.
Irregularity
description
Possible cause Solution
No water is fed into the
balloon and/or no
aspiration.
The air/water and/or
suction valve is dirty.
Reprocess the valve.
The balloon water
channel is dirty.
Reprocess the channel.
There is not enough
water in water container
when inflating/aspirating
the balloon.
• Fill the container with enough
sterile deaerated water.
• Cover the hole of the air/water
valve and depress the valve to
the first stage for about
15 seconds.
After this procedure, completely
depress the valve until the
balloon inflates (It generally
takes about 30 seconds).
The balloon channel is
obstructed.
Reprocess the channel.
The balloon supply port
is obstructed by the
sterile cotton thread.
Remove the thread from the
balloon water supply port. Tie the
cotton thread at the balloon
attachment groove.
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