Reported event: an event regarding periprosthetic fracture involving a patient specific, proximal ulna replacement was reported.The event was confirmed by x ray review.Method & results: device evaluation and results: not performed as product was not returned.Clinician review: a review of the provided x-rays by a clinical consultant indicated: the implant in situ was for proximal ulnar replacement which was inserted on (b)(6) 2011.The surgeon reported humeral fracture.The ct image provided show that the lower part of the humeral bone was fractured, which confirms the clinical report and reason for revision.Device history review: review of the product history records indicate the device was manufactured and accepted into final stock with no reported discrepancies.Complaint history review: there have been no other events for the lot referenced.Conclusion: the exact cause of the event could not be determined because insufficient information was provided.Additional information including operative reports, pathology reports, progress notes and return of the device are needed to fully investigate the event.If further information becomes available or the product is returned, this investigation will be re-opened.
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