The reported event could be confirmed.Based on investigation an exact root cause could not be determined but nothing was reported during pre-operative check, which is required per ifu.In case of any material integrity issues it would have been noticed during inspection steps performed.The device inspection revealed the following: we received a guide wire handle imn instruments for evaluation.Detailed visual inspection revealed a loosened pin, which shows traces of pushing out and one missing pin.Due to the nature of the returned device, a functional inspection was not possible.Dimensional inspection of the returned pin, handle and clamping barrel revealed the required measurements within specification.Although the loosened pin could be confirmed, required measurements were within specification.Review of historical data revealed the current case as a single case.A review of the device history for the reported lot did not indicate any abnormalities.No corrective actions are required at this time.A review of the labeling did not indicate any abnormalities.No indications of material, manufacturing or design related problems were found during the investigation.
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