It was reported that a right hip revision surgery was performed.During the revision, the hemi head, modular sleeve and r3 liner were removed.The r3 shell, stem, cone spout slot, head screw 20mm & head screw 15mm remained.As of today, device return and additional information has been requested for this complaint but has not become available.In the absence of the actual devices, the production records were reviewed for the devices reportedly involved in this incident.The available medical documents were reviewed.On (b)(6) 2015, the patient started having mild, anterior hip pain after getting hit from behind by a bus, this could have contributed towards the metal on metal failure and elevated cobalt levels.The intraoperative findings of discoloration and the reported pain and elevated cobalt levels are consistent with findings associated with metal debris.Without the supporting imaging or the analysis of the explanted components, the root cause of the reported symptoms noted in the legal claim cannot be confirmed.All the released devices involved met manufacturing specifications at the time of production.Further, it cannot be concluded that the reported events were associated with a mal-performance of the implant.Without return of the actual devices or further information we cannot further investigate or confirm the details supplied in this complaint, and our investigation remains inconclusive.If the products or additional information become available in the future, this case will be reopened.No preventative or corrective action has been initiated as a result of this investigation.
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