It was reported that during a surgical procedure, the handpiece was able to pass the retract screen and calibration screen but an error message presented during homing.The physician tried to dismiss the error and home twice but both times an error presented again.The drill was removed from the handpiece and then reset it in to make sure it was locked into the handpiece.The gears were moved manually but they were stuck.The handpiece was replaced in order to complete the case.No surgical delay or patient injury was reported.Results of the investigation have concluded that the snaplock assembly was broken, which makes it a reportable event.
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The navio handpiece, used in treatment, would not home during a procedure.There was no impact on the case and there was an equipment swap to complete the case.A device history record review found no conditions which could contribute to the reported event and the device met all manufacturing specifications during release for distribution.A complaint history review found similar reports.The navio handpiece was returned for further evaluation and the initial visual/functional inspection was performed, which did not confirm the reported event.This handpiece was found to have been in good working order and the reported problem could not be replicated.The root cause of this issue was found to be undetermined.
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