While preforming a dual approach pcnl, (percutaneous nephrolithotomy, with ureteroscopy), a piece of the coating sheared off.The physician used grasping forceps to remove the piece.No harm to the pt and no add'l procedures or intervention were required due to this occurrence.
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During investigation, a review of complaint history, drawing, information for use (ifu), manufacturing instructions (mi), quality control (qc), specifications, trends and a visual inspection was conducted.The used sheath was returned for evaluation.It was not possible to evaluate the internal lining of the tubing without compromising the evaluation, so the complaint will be confirmed based on customer statements and the complaint history of the device.There were no visual signs of damage to the outside coating or the proximal adapter.The device is inspected to be free of debris and discoloration, surface of tubing must be free of kinks, bumps, cuts, broken coils, coil separation, protruding coils, exposed coils and/or the appearance of exposed coils, and coils must have an acceptable amount of coating.The coating is also visually inspected for excess or flaking.Based on the complaint history of the device, it is very likely the inner lining of the sheath was damaged by another instrument.The appropriate internal personnel have been notified.We will continue to monitor for similar complaints.
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