3.8 Inspection of the endoscopic system
47
BF-190 Series OPERATION MANUAL
Ch.3
Inspection of the water feeding function
• 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 depress the suction valve during water feeding. If the suction valve is
depressed 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.
1 Insert a syringe filled with sterile water into the biopsy valve.
2 Depress the plunger. Confirm that water is discharged from the distal end of the
endoscope.
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