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Visual, dimensional, material and functional analysis could not be performed as the device was not returned.Device history records were reviewed and no manufacturing issues were identified.A complaint history review was conducted and no similar complaints were identified.X rays provided confirmed 1 titanium pl cage migrated post-operatively, revision surgery was performed.No operative notes or medical history provided, no information on the patient, no patient fall or trauma, and it is unknown what the patient's activity level is, what level it was implanted, if the pedicle screws were implanted prior to disc prep, and if bone graft was use.Additionally, from the x ray, it appears that the disc space was not fully level, which may have impeded the implant during initial insertion.The surgical technique states that the compression or distraction maneuvers should be performed once all of the blockers are inserted but not final tightened.In this case, the blockers were final tightened before compression was applied.This may have caused extra stress on the supplemental fixation.As the device was not returned, a definite root cause cannot be determined.Possible contributing factors include disc space prep, patient post op activity, final tightening before compression, lack of bone graft used.H3 other text : device was not returned and therefore could not be evaluated.
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