3.3 Inspection of the endoscope
35
BF-190 Series OPERATION MANUAL
Ch.3
Inspection of the insertion tube rotation mechanism
When rotating the insertion section, the bending section bends to a different
direction against the control section. Before operating the angulation control lever,
make sure to check the position of the UP indication of the insertion tube rotation
ring. The bending section may bend to a different direction as intended and patient
injury, bleeding, and/or perforation could result.
• Do not apply excessive force to the insertion tube rotation ring. The equipment may
be damaged.
• Once the insertion tube and the insertion tube rotation ring hits against the stopper,
do not apply excessive additional force. The insertion tube and the ring may be
damaged.
• When rotating the insertion tube rotation ring, do not grip the bending section
and/or the distal end of the endoscope with excessive force. The equipment may
be damaged.
• When rotating the insertion tube rotation ring, do not apply excessive force holding
the insertion section and/or the boot. The equipment may be damaged.
1 Straighten the insertion tube.
2 Turn the insertion tube rotation ring slowly in each direction until it stops. Confirm that
the ring rotates in each direction smoothly and correctly.
3 Align the UP indication of the insertion tube rotation ring with the UP indication on the
control section.
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