H3, h6: the device, used in treatment, was not returned for evaluation.Therefore, product analysis could not be performed at this time.So the reported event could not be confirmed.A medical investigation was conducted and confirms based on the limited information provided the root cause of the reported breakage could not be determined.The material composition is 303 stainless steel which is an austenitic stainless-steel alloy intended for surgical applications and is biologically compatible; however, the metal debris from this device is not approved for implantation.Long term implantation data is not available.If retained the patient impact beyond possible micro-motion and/or migration, local irritation/discomfort, and probable mri restrictions cannot be determined.No further medical assessment can be rendered at this time.A review of complaint history on the listed part revealed no prior complaints for the listed batch with the same failure mode.A review of the manufacturing records did not reveal a manufacturing abnormality that could have caused or contributed to the reported incident.Some potential probable causes for this event could include but not limited to surgical technique, implant failure or design of device.At this time, we have no reason to suspect that the product failed to meet any product specifications at the time of manufacture.Based on this investigation, the need for corrective action is not indicated.Without the actual product involved and/or device information, our investigation cannot proceed.If the device or new information is received in the future, this complaint can be re-opened.No further actions are being taken at this time.We consider this investigation closed.
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