Examination of the returned device confirms the reported event of trial breakage.A complaints review was completed in february 2014 and in june 2014 for all attune trial instruments, following 25,000 and 50,000 surgeries, inclusive of the attune femoral trials, articulation surface trials, and the patella trials.Findings of the complaints review prompted (b)(4) updates where applicable.The root cause is attributed to user technique and/or misuse.The damage suggests the trial was pryed or otherwise inappropriately removed during trialing.Based on the root cause of suspected misuse, corrective action is not needed.Monitor subsequent reports via (b)(4).Depuy considers the investigation closed at this time.Should the additional information be received, the information will be reviewed and the investigation will be re-opened as necessary.(b)(4).
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