Additional narrative: patient was revised to address acetabular cup loosening and metallosis from the gription coating from micromotion.(b)(4).The devices associated with this report were not returned.A complaint database search finds no other related incidents against the provided product and lot combinations.Requests for additional investigational inputs were made in accordance with wi-7915 appendix a.No additional information was obtained.The investigation could not verify or identify any product contribution to the reported event with the information provided.Based on the inability to identify root cause, the need for corrective action was not indicated.Depuy considers the investigation closed.Should additional information be received, the information will be reviewed and the investigation will be re-opened as necessary.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.
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