A medtronic representative reported that, while in a functional endoscopic sinus surgery (fess), the monitor of the navigation system lost functionality while in navigation.After an initial restart, it was reported that the navigation system was unable to track a blade.It was reported that restarting the navigation system a second time restored functionality.There was a reported delay to the procedure of less than 1 hour due to this issue.There was no impact on patient outcome.No additional information was provided.
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