The reported device was not returned to the designated complaint unit for independent evaluation, thus visual inspection and functional testing could not be performed.A complaint history review found no similar reported events.Insufficient product identification information was provided and thus a manufacturing record review could not be conducted.Based on the information available, there were no indications to suggest that the product did not meet manufacturing specification upon release for distribution.The instructions for use was reviewed and found to include conditions of off label use and technique specifics, as well as precautions and warnings related to the use of the device.A risk management review found that the reported failure was documented appropriately, and there were no indications to suggest the anticipated risk is not adequate a review of the inspection process found that each component should be visually inspected for all non-conforming attributes defined in the procedure there was no way to determine if the device contributed to the reported event.The complaint was not confirmed and the root cause could not be determined.Factors that could have contributed to the reported event include inadequate irrigation during use, or an impact event inconsistent with normal use.Periodic irrigation of the blade is recommended to provide adequate cooling of the blade and to prevent accumulation of excised materials in the surgical site.Ensure that suction of 128 mmhg minimum is flowing while the instrument is running.Excessive ¿side-loading¿ on the blade during use does not improve cutting performance and in extreme cases may result in wear and degradation of the inner assembly.Please refer to the instructions for use for recommendations on proper use of the device and potential troubleshooting methods to prevent future reoccurrence of the reported event.Per the complaint details, additional medical information nor the device will be provided for inclusion in this medical investigation.Therefore, a thorough medical investigation cannot be rendered nor can the clinical root cause of the reported failure be determined.Based on the information provided, during setup/inspection it was reported the device had metallic fragments before use inside of the patient.It was reported the device was cleaned with gauze and the procedure was completed with the same device.Although it was reported the device was cleaned with a gauze, if any of the non-implantable metallic fragments were retained inside of the patient, we cannot rule out the possibility of corrosion, local irritation/discomfort, and/or migration of the possible retained metal debris cannot be determined.It was reported the procedure was completed without a significant delay or patient harm.Since there were no other complications reported, no further clinical/medical assessment is warranted at this time.No containment or corrective actions are recommended at this time.If the product associated with this event is returned at a future date, this investigation will be reopened for evaluation.
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