(b)(6).(b)(4).Neither the device nor films of applicable imaging studies were returned to the manufacturer for evaluation.Therefore, we are unable to determine the definitive cause of the reported event.Although it is unknown if any of the devices contributed to the reported event, we are filing this mdr for notification purposes.
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It was reported that on (b)(6) 2015, a patient underwent balloon kyphoplasty procedure (bkp) surgery for l1 compression fractures.3 weeks later after the surgery, it was found vertebral instability and pseudoarthrosis.The patient could not sit down due to pain.Revision surgery was operated for posterior fusion at th7-l4 levels on (b)(6) 2015.The patient problem was resolved.The doctor commented that the case had severe unstableness at the fracture sites before bkp and had predicted poor prognosis.The doctor also commented that the case should have been considered to use in conjunction with implant at the first place.It was about procedure, not bkp in itself.
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