(b)(4).Initial report.(b)(6).Customer has indicated that the product will not be returned to zimmer biomet for investigation.Medical product: e1 ringloc bipolar 28x47mm, catalog no.: 110010459, lot no.: 642620.The investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.Device not returned.
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(b)(4).This final report is being submitted to relay additional information.The following sections were updated: b4, b5, g3, g6, h1, h2, h3, h6, h10.Complaint summary: a physical visual inspection of the delta ceramic femoral head 28/0mm t1 (item: 650-1158 lot: 3069861) could not be carried out as the product has not been returned to the uk.But a review of the photographs taken and attached in associated complaint cmp-0753554 shows the spherical diameter to be in good condition with no visible defects, the internal taper has some metallic marks most likely caused by the assembly onto to hip stem.A dimensional inspection has been carried out and delta ceramic femoral head 28/0mm t1 (item: 650-1158 lot: 3069861) was found to be conforming to drawing specification, see attached inspection form.The root cause cannot be confirmed for the reported event as delta ceramic femoral head 28/0mm t1 (item: 650-1158 lot: 3069861) is conforming to specification.Investigation is completed based on current available information.If any additional information becomes available, then the complaint will be reopened and investigated.The product left zb control conforming to specification.A review of the complaints database shows that we have received 3 reported events for implant would not assemble with mating implant for the same item number 650-1158 prior to the reported event.The severity associated with the above line is unknown as the product is conforming and the definitive root cause has not been established.No corrective or preventive action required at this time.If any further information is found which would change or alter any conclusions or information, a supplemental will be submitted accordingly.Zimmer biomet will continue to monitor for trends.See h10.
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