Medtronic received information that, while in a functional endoscopic sinus surgery (fess), the surgeon was unable to track below the eyebrow of the patient.It was noted that the site experienced issues while registering.Adjustment of the patient did not restore functionality.The surgeon opted to complete the procedure without the use of the navigation system.There was a reported delay to the procedure of thirty minutes hour due to this issue.Following the procedure, it was noted that when the emitter was re-positioned, there was lower metal interference from the bed.There was no reported impact on patient outcome.No additional information was provided.
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