(b)(4).Multiple mdr reports were filed for this event, please see associated reports: 0001822565-2020-02810.0001822565-2020-02811.Study was conducted between (b)(6) 2013 and (b)(6) 2016.Concomitant medical products: item# unknown tibial base component; lot# unknown.Item# unknown tibial insert component; lot# unknown.(b)(6).Foreign report source: (b)(6).Literature - retrieved from: maccario c, tan ew, silvestri cad, indino c, kang hp, usuelli fg.Learning curve assessment for total ankle replacement using the transfibular approach.Foot and ankle surgery.2020.Doi:10.1016/j.Fas.2020.03.005.Customer has indicated that the product will not be returned to zimmer biomet for investigation, as the product location is unknown.The investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.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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No product was returned; visual and dimensional evaluations could not be performed.Insufficient information provided.Unable to perform a compatibility check.Medical records were not provided.Part and lot identification are necessary for review of device history records, neither were provided.A definitive root cause cannot be determined.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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