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It was reported that during a tka surgery, the universal pin driver broke upon impaction.The procedure was resumed, without any delay, using a similar s+n back-up device.Patient was not injured as consequence of this problem.
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Internal complaint reference: (b)(4).Reported device was returned and evaluated.Sections h3, h6 and h11 were updated.H3, h6: results of investigation: the associated device was returned and evaluated.The visual inspection revealed that the pin driver spring loose on the device, the screws are loose and no longer in the correct position.The entire device is worn from use.A review of the production order 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 part number 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.According to drawing print, these screws are secured with loctite.Therefore, it can be concluded that the adhesive compound has failed, as it was unable to maintain the bond between the screws and the frame.At this time, we have no evidence to conclude that the product failed to meet any 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 potential factors that could contribute to the reported event.We recommend that all reusable instruments be routinely inspected for wear and damage and replaced as necessary.Based on this investigation, the need for corrective action is not indicated.Should 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.
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