A medtronic representative reported that, while in an open navigated lumbar fusion spine procedure, the site's 5.5/6.0 driver was damaged.The engagement tip of 5.5/6.0 driver was splaying and appeared mushroomed as if the driver were being used as a tamp.This has not actually been the cause of the deformation of the tip, it is just what it looks like.The issue seems to be occuring from routine usage, cleaning, and sterilization.The deformation of the driver tip was reported to have been progressing over repeated use.The surgeon completed the procedure with the use of the navigation system.There was no delay of therapy.There was no impact on patient outcome.
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