U.S.Reporting agent notified on: (b)(4) 2015.Manufacturing site evaluation: received device has indications of being maintained (serviced) by a non-aesculap provider.Microscopic analysis of the fracture pattern illustrated that the jaw had been broken previously.On both breakage points were recognizable welding seams.There are indications of excessive torsion forces; as the pin is deformed.The pin and the surface of the device should be flush; however, they are not.Based on the info available as well as a result of our investigation of the root cause of the failure is related to the user w/a contributing factor of insufficient maintenance of the device.Corrective/preventive actions: na.
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