It was reported that prior to starting with the case, the handpiece and drill were connected but a handpiece connection error was displayed.The drill was taking out, reseated burr and long attachment, but that did not work.The clamshell was opened and moved the gears and they were very tight and hard to move, unlike others.The system was restarted and the handpiece was recalibrated but it still failing the homing position.The handpiece was changed and it worked immediately.The device was not being used with a patient during the event.Results of the investigation have concluded that the snaplock assembly was damaged, which makes it a reportable event.
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H10: the navio handpiece (part number 110137 / serial number (b)(6) ), intended for use in treatment, had connection error and homing failure prior to a procedure on (b)(6) 2015.The navio handpiece was not returned for further evaluation and a visual/functional inspection could not be performed.During an internal analysis, the problem was determined to be caused by the material used to manufacture one of the snap lock components.The material used by one of the suppliers is displaying properties after autoclave sterilization that may cause the snap lock assembly to become tight.This handpiece had a snap lock from one of the affected lots.The root cause of this issue was found to be supplier/raw material fault.A device history record review found the device met all manufacturing specifications during release for distribution.A complaint history review found similar reports and this issue will continue to be monitored.
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