A medtronic ent representative reported that, while in an ear, nose & throat (ent) procedure, the surgeon alleged a 3mm inaccuracy in the posterior direction with the sphenoid navigated balloon when actively opening the sinus.The surgeon deemed being accurate with both the straight suction and malleable suction instruments.In trouble-shooting, the surgeon used the straight suction to confirm location with the balloon.It was determined they were accurate in both the superior and inferior directions, however, the balloon was showing 3mm posterior to the actual location.The surgeon opted to continue to navigate.The surgeon completed the procedure with the use of the navigation system.There was no impact on patient outcome.
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This is a disposable device and will not be returned to manufacturer for analysis.A medtronic representative performed a navigation system check-out, all areas passed.System performed as intended.A medtronic representative, following-up at the site, reported that since the reported event, this site has completed successful procedures using this type of device without further issue.
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