Device not returned.An event regarding infection involving an unknown restoration modular stem was reported.The event was not confirmed.Method & results: device evaluation and results: a visual, dimensional and functional inspection was not performed as the device was not returned for evaluation.Medical records received and evaluation: no medical information was received for review with the clinical consultant.Device history review could not be performed as the device lot is unknown.Complaint history review could not be performed as the device lot is unknown.Conclusions: the exact cause of the event could not be determined because insufficient information was provided.Further information such as device details, return of device, pathology reports, operative reports, xrays, patient history & follow-up notes are needed to investigate this event further.If additional information and/or device become available, this investigation will be reopened.A capa trend analysis was conducted for the reported failure mode and concluded infection is a known possible adverse outcome of surgery and is beyond stryker's control.
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