A medtronic representative reported that while in a functional endoscopic sinus surgery (fess) procedure, the navigation system became unresponsive during navigation.The site was using a straight suction and it was tracking intermittently, so the decision was made to move the emitter, which seemed to resolve the issue.However, when the site brought in a shaver and attempted to navigate it, the shaver was intermittently tracking and the cross hairs were flickering red when the system became unresponsive.The site performed a hard shutdown of the system and when it turned back on, it worked normally.There was a reported delay to the procedure of 10-15 minutes and no impact on patient outcome.
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