The scope was returned to the manufacturer for service/evaluation.
A visual inspection was performed by the service group and noted the bending section cover at the distal end failed the leak test and the bending section skeleton was broken and protruding through the cover.
In addition, there was excessive image guide fiber breakage.
The scope was last serviced on april 4, 2019.
The scope was repaired and returned to the user facility.
Based on similar reported events and investigation findings, the potential cause of the broken bending section is attributed to the operator¿s (unintended) technique.
The instruction manual warns users "do not twist or bend the bending section with your hands.
Equipment damage may result; do not insert the insertion tube with excessive force into the ureter or calix.
The bending section may be damage.
" the ¿instructions for safe use¿ provides several warning statements in an effort to prevent equipment damage and patient injury.
¿if any of the following conditions occur during an examination, immediately stop the examination and withdraw the endoscope from the patient.
If the up/down angulation control lever does not move.
If the angulation control mechanism is not functioning properly.
Visually inspect the bending section for no metallic parts protruding from the bending section.
Visually inspect the bending section for bends, twist, or other irregularities while the bending section remains straight.
Visually inspect the bending section for abnormal bending shape, or other irregularities.
Continued use of the endoscope under these conditions could result in patient injury, bleeding, and/or perforation.
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