It was reported that there was an issue with gp569r - shank long f/recip.Saw bl.Gc615r/gc633r.According to the complaint description, the intrument broke at the end of the surgery, during its withdrawn.There was no described patient harm.Additional information was not provided.Additional patient information is not available.The malfunction is filed under aag reference (b)(4).
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Investigation results: visual investigation: the spring shank has broken-off.The component has been analysed visually.The breakage of the spring can be confirmed.Furthermore, signs of usage can be found on the shank, randomly distributed (golden area, shaft, connection).The correct condition of the shank including the feather can be found.Batch history review: due to the fact that no lot number was provided, a review of the device history records for the complained device is not possible.Review of the complaint history revealed that no similar complaints have been filed against products from this batch number.The review of risk assessment revealed that the overall risk level (severity 4(5) x probability of occurrence 1(5)) according to din en iso 14971 is still acceptable.Conclusion and measures / preventive measures: based upon the investigation results a clear root cause conclusion cannot be drawn.There is no indication for a material-, manufacturing- or design-related failure.There is no indication for a design problem or systematic failure based on that data.A usage related failure, probably in combination with wear and tear cannot be completely excluded.It is also possible that it came to an overload situation or pre damaging during the reprocessing.Based upon the investigations results a capa is not necessary.
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