Conclusion and justification status: the complaint states patient required a revision on their uni knee to a total knee replacement due to wear of the poly on the mobile bearing insert resulting in pain and discomfort.Primary implant date: (b)(6) 2003.No issues occurred to the patient during the procedure.No further information is available.A complaints database search and review of manufacturing records did not identify any anomalies.No device associated with this report was received for examination.Based on previous investigations this complication of joint replacement is unlikely to have been the result of a device failing to meet required specifications.The information received will be retained for potential series investigations if triggered by trend analysis, post market surveillance, or other events within the quality system.Corrective action was not indicated.Without further information the root cause of the complaint cannot be determined.The complaint shall be closed with an undetermined conclusion; entered into the complaints database and monitored through trend analysis.If further information is received the complaint shall be reopened and investigated further.Post market surveillance is per sep 419.Depuy still considers the investigation closed at this time.Should additional information be received, the information will be reviewed and the investigation will be re-opened as necessary.
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