A medtronic representative reported that, while in an ear, nose & throat (ent), the surgeon alleged an inaccuracy with the frontal balloon.The surgeon was concerned that the frontal balloon was 2 millimeters off, compared to their navigating ostium seeker.The surgeon was able to visualize the frontal ostium; the balloon appeared slightly off when the navigating ostium seemed accurate.The surgeon opted to continue the procedure using their balloon, by relying on the visual endoscopic image.The procedure was completed without the use of the navigation system.There was no impact on patient outcome.
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