FujiFilm EG-580UR Operation Manual page 13

Chapter 1 Precautions
WARNING
The forceps valve must be completely immersed in a disinfectant
solution. Remove air bubbles completely. If any air bubbles remain,
effective disinfection cannot be achieved and an inadequately cleaned
and disinfected (or sterilized) forceps valve may increase a risk of
infection.
Be sure to inspect the forceps valve before attachment. If any
abnormality is found during inspection, do not use the product. It could
be a source of infection.
The lid of the forceps valve must be closed when using the ultrasonic
endoscope. Not doing so may cause backflow of body fluids and
increase a risk of infection.
Use a disinfected (or sterilized) balloon attachment tool. There is a risk
of infection.
During ultrasonic procedures in which a balloon is not used, do not
fully depress the suction valve and do not attempt to aspirate patient
material into/through the balloon evacuation channel. Doing so can
result in partial or complete clog of the narrow balloon evacuation
channel, especially if the ultrasonic endoscope is not cleaned
immediately after each procedure and if not reprocessed as per
FUJIFILM recommendations. Once the balloon evacuation channel is
clogged, it cannot be cleaned, disinfected or sterilized properly and can
be a source of infection.
If the lid of the forceps valve needs to be open during a procedure, put
sterile gauze around the forceps valve before opening the lid. If sterile
gauze is not applied, body fluid may be splattered, leading to infection.
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