The associated device was returned and evaluated.A visual inspection of the returned device confirmed the stated failure mode.The tip of the threads on the retaining rod fractured off, rendering the device inoperable.The fractured threads were not returned.Only one device was returned for evaluation.The device was manufactured in 2017 and exhibits signs of significant wear/usage.A review of complaint history did not reveal additional complaints for the listed batch.A review of the manufacturing records did not reveal a manufacturing abnormality that could have caused or contributed to the reported incident.At this time, we have no reason to suspect that the product failed to meet any product specifications at the time of manufacture.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 complaints will be reopened.No further investigation is warranted for these complaints; however, we will continue to monitor for future complaints and investigate as necessary.
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