Ambu aScope Gastro Manual De Instrucciones página 17

Possible problem
Diminished or
no suction�
Continuous suction
5.4. Working channel and use of accessories
Possible problem
Working channel
access is constricted
or blocked
(endotherapy
accessories do not
pass through
channel smoothly)�
High flection of
bending section�
5.5. Image quality and brightness
Possible problem
No video image�
Image suddenly
darkens�
Blurry image
Possible cause
Vacuum source/suction pump
is defective�
Working channel is blocked�
Endoscope is defective�
Suction valve remains depressed�
Possible cause
Endotherapy accessory is not
compatible�
Endotherapy accessory is open�
Working channel is blocked�
Biopsy valve is not open�
Straighten the bending section
as much as possible without
losing the POSITION of the
endoscopic image�
Possible cause
Displaying unit or ancillary
equipment is not switched ON�
Endoscope connector is not
properly connected to the
displaying unit�
Endoscope is defective�
Displaying unit is defective�
Camera or illumination failure�
Objective lens is dirty�
Water drops on the outside
of the lens�
Condensation on the inside
of the lens�
Displaying unit image
settings incorrect�
Recommended action
Replace with a new vacuum
source/suction pump�
Flush sterile water with a syringe
through the working channel�
Withdraw the endoscope and
connect a new endoscope�
Gently pull the suction valve up
to the off position�
Recommended action
Select a compatible endotherapy
accessory�
Close the endotherapy accessory
or retract it into its sheath�
Try to unblock it by flushing
sterile water into the working
channel with a syringe�
Open the cap of the biopsy valve�
Straighten the bending section
as much as possible without
losing the endoscopic image�
Recommended action
Switch displaying unit and
ancillary equipment ON�
Connect the endoscope
connector properly to the
displaying unit�
Withdraw the endoscope and
connect a new endoscope�
Contact your Ambu representative�
Switch ON LEDs as described in
displaying unit IFU�
Withdraw the endoscope and
connect a new endoscope�
Rinse the objective lens�
Insufflate and/or rinse to remove
water drops from the lens�
Increase the water temperature
in the water bottle and continue
to use the endoscope�
See displaying unit's IFU�
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