B2: other serious or important events - retained foreign object (tip of k-wire left in patient's bone).H3: device evaluation - without the opportunity to examine the remainder of the broken k-wire, no conclusions can be drawn regarding the root cause.Without lot identity, device history review and lot specific complaint history review are not possible.Two-year complaint history review found this to be the only report of breakage for this part number.No corrective actions are recommended.
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It was reported that a procedure was performed on (b)(6) 2023, utilizing the reform ti mis ct pedicle screw system.While the surgeon was trying to remove the k-wire, ni blunt/threaded (hxi-48-0003) from the second screw at l4, it broke clean at the "knurled" part from the smooth part.No attempt was made to try to retrieve the broken piece, which remains in the patient's pedicle.More care was taken with the final positioning of the screw to ensure the broken tip did not advance any more with the screw being advanced.The surgery as completed with optimal outcome without delay.The remainder of the k-wire is not available for evaluation.
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