This user facility is outside of the united states.Current information is insufficient to permit a conclusion as to the cause of the event.Review of device history records show that lot released with no recorded anomaly.Examination of returned device found no evidence of product non-conformance.Root cause of the event was most likely attributed to third party debris; however, a conclusive determination could not be made.There are warnings in the package insert that state that this type of event can occur: under possible adverse effects, number 10 states, "fretting and crevice corrosion can occur at interfaces between components." this report is number 2 of 2 mdr's filed for the same patient (reference 3002806535-2014-00059 & 3002806535-2015-04186).
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