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It was reported that, during knee revision surgery of a primary triathlon tkr to a legion revision tkr, a genesis ii articular insert spacer trial size 5-6 13mm was not firmly attaching to the genesis ii posterior stabilizing articular trial size 5-6 9mm.On closer inspection, it was observed that the genesis ii posterior stabilizing articular trial size 5-6 9mm seemed to have cracks in the white ¿o rings¿ that are inset into the holes that the genesis ii articular insert spacer trial size 5-6 13mm clicks into.The insert spacer does not appear to have any damage.Surgery was resumed, without any delay, with a smith & nephew back-up constrained insert.Patient was not injured as consequence of this problem.
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Results of investigation: the device was not returned for evaluation but the pictures were reviewed, and the cracked device was confirmed.A review of the manufacturing records did not reveal a manufacturing abnormality that could have caused or contributed to the reported incident.A review of complaint history revealed similar events for the listed device over the previous 12 months, but no similar events for the batch based on the historical data, this failure mode will be monitored for future complaints for any necessary corrective actions.A review of the risk management file revealed this failure mode was previously identified.The anticipated risk level is still adequate.A historical review concluded that there are no prior actions related to this product and event.At this time, we have no reason to suspect that the product failed to meet any product specifications at the time of manufacture.This device is a reusable instrument that can be exposed to numerous surgeries.Damage from prolonged use, misuse or rough handling are likely probable causes of the reported event.We recommend that all reusable instruments be routinely inspected for wear and damage and replaced as necessary.The contribution of the device to the reported event could be corroborated, since the device was cracked, therefore it could be used correctly anymore.Based on this investigation, the need for corrective action is not indicated.Should the device or additional information be received, the complaint will be reopened.No further investigation is warranted for this complaint; however, we will continue to monitor for future complaints and investigate as necessary.We consider this investigation closed.
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