FujiFilm EG-580UR Operation Manual page 19

Chapter 1 Precautions
CAUTION
Take extreme care when inserting the ultrasonic endoscope into the
oral cavity. Otherwise, it may cause pain to the patient.
Do not forcibly advance or withdraw the ultrasonic endoscope into/
from the patient. It may cause damage to the body lumen, bleeding or
perforation.
Do not angulate the bending section forcibly or operate it quickly. It
may cause damage to the body lumen, bleeding or perforation.
During an observation, do not perform close observation for an
extended period of time. Use the ultrasonic endoscope with a minimum
necessary amount of brightness and time while maintaining an
appropriate distance. When the shutter speed is set to "HIGH", take
care not to set the brightness level too high. Thermal energy created
by illumination may cause burn injury. For details on the settings, refer
to the operation manual of the light source and processor in use.
If the brightness level is high, the temperature at the distal end may
exceed 41°C. Do not allow the distal end to remain in contact with the
same site for an extended period of time. It may cause burn injury.
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