5.3 Withdrawal of the endoscope with an irregularity
79
BF-190 Series OPERATION MANUAL
Ch.5
If an irregularity occurs while the endoscope is in use, take proper measures as described in either
“ Withdrawal when the WLI and NBI endoscopic images appear on the monitor”, “ Withdrawal when
either the WLI or the NBI endoscopic image does not appear on the monitor” on page 80 or
“ Withdrawal when no endoscopic image appears on the monitor or a frozen image cannot be
restored” on page 80.
After withdrawal, return the endoscope for repair as described in Section 5.4, “Returning the
endoscope for repair”.
If the endoscope or EndoTherapy accessory cannot be withdrawn from the patient
smoothly, do not attempt to forcibly withdraw it. Rather, withdraw the endoscope
carefully. If the endoscope cannot be withdrawn from the patient, consider
removing it through open surgery and take proper measures. Forcibly withdrawing
the endoscope or EndoTherapy accessory may cause patient injury, bleeding,
and/or perforation. If any irregularity with the endoscope is observed, contact
Olympus.
Withdrawal when the WLI and NBI endoscopic images
appear on the monitor
5.3 Withdrawal of the endoscope with an irregularity
1 Turn all equipment OFF except the video system center, light source, monitor, and
suction pump.
2 When the NBI endoscopic image is displayed, switch to the WLI endoscopic image by
operating the video system center and light source.
3 When using the electronic zoom function of the video system center, release the
function.
4 When using an EndoTherapy accessory, close the tip of the EndoTherapy accessory
and/or retract it into its sheath. Then withdraw the EndoTherapy accessory slowly.
5 Aspirate accumulated air, blood, mucus, or other debris by depressing the suction
valve.
6 Carefully withdraw the endoscope while observing the endoscopic image.
7 Remove the mouthpiece from the patient’s mouth.
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