A site registered nurse (rn) reported that, while in a functional endoscopic sinus surgery (fess), they could not pass tracer registration.The patient's forehead was cut off of the scan and it was noted that the patient very heavy.Medtronic representative walked the surgeon through pointmerge registration and then they were able to proceed into navigate.The surgeon completed the procedure with the use of the navigation system.Delay in therapy was greater than one hour before continuing.There was no impact on patient outcome.
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