Device evaluation: visual inspection revealed that the tip of the final screwdriver was fractured.Potential cause: root cause was unable to be determined.This event could possibly be attributed to inserting the closure tops off-axis and cross threading them, leading to high forces on the driver and causing driver tip fracture.Dhr review: per dhr review, the parts were likely conforming when they left zimvie control.Device use: these devices are used for treatment.If additional information is obtained that adds value to the relevant content of this report, a follow-up report will be sent.
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