(b)(4).Concomitant products: oxf twin-peg cmntd fem lg pma item#161470 lot#483330.Oxf anat brg rt lg size 4 pma item#159583 lot#418060.The device will not be returned for analysis; however, an investigation of the reported event is in progress.Once the investigation is completed, a supplemental medwatch 3500a will be submitted.
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(b)(4).This follow-up report is being submitted to relay additional information.The following sections were updated: b4, b5, g3, g6, h1, h2, h6, h10.No products were returned.The device history records for item # 154725 lot # 702750 were reviewed for deviations and / or anomalies with no anomalies / deviations identified.The device is used for treatment.Radiographs were provided.Significant findings in mmi report include subsidence of the medial tibial component is present, osteopenia, and right medial compartment hemi-arthroplasty with subsidence of the medial tibial component.The likely condition of the device when it left zimmer biomet is conforming to specification.The definitive root cause of the reported event cannot be determined with the information provided.If any further information is found which would change or alter any conclusions or information, a supplemental report will be filed accordingly.Zimmer biomet will continue to monitor for trends.
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