(b)(4).Customer has indicated that the product will not be returned to zimmer biomet for investigation, as the device location is unknown.The investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.Concomitant medical devices: part: 00771301600, lot: 61454594, modular femoral stem size 16.25; part: 00784802200, lot: 61805988, modular neck b 12/14 neck taper; part: 00801803202, lot: 61829218, femoral head sterile product 12/14 taper; part: 00630505832, lot: 60790062, liner standard 32 mm i.D; part: 00625006525, lot: 61825084, bone scr 6.5x25 self-tap; part: 00625006530, lot: 61850953, bone scr 6.5x30 self-tap.Multiple mdr reports were filed for this event, please see associated reports: 0001822565-2021-01741, 0001822565-2021-01742, 0002648920-2021-00168, 0002648920-2021-00362.
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It was reported the patient underwent a left hip procedure and subsequently, was revised 8 years later due to in-vivo corrosion, elevated metal ions, necrotic tissue and failure to osteointegrate.No further event information available at the time of this report.
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This follow-up report is being submitted to relay additional information.The following sections were updated/corrected updated: d4; g3; h2; h3; h4; h6 review of the device history records identified no deviations or anomalies during manufacturing related to the reported event medical records were provided and reviewed by a health care professional.Review of the available records identified the following: cobalt levels were found to be elevated in february 2019.Within the joint some necrotic tissue was found, and there was a substantial amount of black corrosion in the head and neck junction.The stem was removed without substantial bone loss.The cup was removed with no bony ingrowth found.Rom was found to be satisfactory upon completion.Root cause unchanged.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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