The device associated with this report was not returned.Requests for additional investigational inputs were made in accordance with wi-7915 appendix a.Patient medical records were provided.Review of the supplied medical records confirmed device loosening.Review of the device history records and/or a lot specific complaint database search was not possible as the product and lot code required was not provided.The investigation could not draw any conclusions about the root cause of the device loosening.With the limited amount of information provided, it cannot be determined that the complaint is product related.Based on the inability to identify root cause, the need for corrective action was not indicated.Depuy 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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