Medtronic received information regarding a navigation system that was used during a functional endoscopic sinus surgery (fess) procedure.It was reported that the site was having issues with the navigation system as it was noted that they were unable to get a passing registration and that they felt the system was off.Technical services walked them through emitter details, instrument tracking, patient tracker placement, registration and technique, adding and removing tool cards, metal interference and emitter placement.The procedure was completed with navigation and imaging due to this issue.There was a reported delay to the procedure of thirty minutes due to this issue.There was no reported impact on patient outcome.
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