It was reported that during a surgical procedure, the black drum into the handpiece was wobbling.The surgeon decided to change to a manual procedure.No patient injuries reported beyond this event.Results of the investigation have concluded that the snaplock assembly was broken, which makes it a reportable event.
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H10: h3, h6: the navio handpiece, used in treatment, was return for evaluation.The navio handpiece [?]s snap lock nut was wobbly in the handpiece during a procedure.A device history record review found no conditions which could contribute to the reported event and the device met all specifications during release for distribution.A complaint history review found similar reports and this issue will continue to be monitored.The navio surgical system for unicondylar knee replacement and patellofemoral arthroplasty user's manual (500054 rev.G) released at the time of the complaint provided no information regarding the snap lock nut which broke off the snap lock.This failure is captured in the navio risk profile.The navio handpiece was returned for further evaluation and the initial visual/functional investigation confirmed that the snap lock nut had broken off the snap lock.The root cause of this issue was found to be due to mechanical component failure.
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