(b)(4).Customer has indicated that the product will not be returned to zimmer biomet for investigation, as the product remains implanted.Products were implanted sometime in (b)(6) 2020.Concomitant medical products: item number: unknown, item name: unknown stem, lot number: unknown.Item number: unknown, item name: unknown head, lot number: unknown.Multiple mdr reports were filed for this event, please see associated reports: 0001822565 - 2020 - 03777.0001822565 - 2020 - 03779.The investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.
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This follow-up report is being submitted to relay additional information.Part and lot identification are necessary for review of device history records, neither were provided.No product was returned; visual and dimensional evaluations could not be performed.Complaint history review cannot be performed without product identification.Insufficient information provided.Unable to perform a compatibility check.Medical records were not provided.A definitive root cause could not be determined.No corrective actions, preventive actions, or field actions resulted after investigation of this event.
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