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Chapter 3 Preparation and Inspection
BF TYPE 160 Series OPERATION MANUAL
3. Remove the distal end from the water. Depress the suction valve and
aspirate air for a few seconds to remove any water from the instrument
channel.
Inspection of the instrument channel
Keep your eyes away from the distal end when inserting
endo-therapy accessories. Extending the endo-therapy
accessory from the distal end could cause eye injury.
1. Insert the endo-therapy accessory through the biopsy valve. Confirm that
the endo-therapy accessory extends smoothly from the distal end.
2. Confirm that the endo-therapy accessory can be withdrawn smoothly from
the biopsy valve.
Inspection of the water feeding function
1. Insert a syringe filled with sterile water into the biopsy valve and depress the
plunger.
2. Confirm that water is discharged from the distal end of the endoscope.
• For proper operation, the syringe must be inserted fully and
held perpendicular to the biopsy valve. Angled or incomplete
insertion may result in fluid leakage from the biopsy valve.
• Do not press the suction valve during water feeding. If the
suction valve is pressed during water feeding, water will be
aspirated into the suction tube instead of being discharged
from the endoscope’s distal end.
• If fluid is not discharged from the endoscope’s distal end,
flush air through the channel.
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