No surgical information was given.Dhr review cannot be completed as no device information has been received.No evaluation of the device can be performed, as the device(s) were not returned.Unknown factors include: implant duration, patient activity at the time, or prior to the event, patient bone quality, the degree of spinal instability, or patient compliance with post-operative care instructions, or if the patient sustained a fall/impact of any sort.Root cause or specific failure mode cannot be determined.Labeling review notes: "possible adverse events: disassembly, bending, and/or breakage of any, or all of the components.Loss of fixation.".
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