This follow-up report is being submitted to relay additional information.The event was confirmed with x-rays received.Review of the x-rays found metallic pin lying within the soft tissues posterior to the knee.Depending on the location of the pin (medial, lateral, central), which can not be determined on this single view, there could be damage to neurovascular structures such as the popliteal artery/vein or the sciatic nerve branches.Dhr was reviewed and no discrepancies relevant to the reported event were found.As stated in persona partial knee system surgical technique, when using any headless trocar pin, it is important to leave 10 mm or more of the pin exposed.This will allow for ease of removal when using the pin puller.The root cause of the reported event is attributed to use error.If any further information is found which would change or alter any conclusions or information, a supplemental will be filed accordingly.Zimmer biomet will continue to monitor for trends.
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