Medtronic received information regarding a navigation system being used in a sacroiliac and thoracolumbar procedure.It was reported that towards the end of the case the nerve monitoring was not responding anymore.The health care professional was accurate at the beginning of the case and throughout.After rods and 6 screws were placed, however the last one was found to have breached the spinal canal, this was seen after taking a confirmation spin.At this point navigation was aborted causing less than an hour delay in the procedure.A c-arm was used in conjunction with the o-arm during the case.The patient was affected.Additional information was received.The rep contacted the site.It was confirmed that there was not an inaccuracy.The site stated anatomical landmarks were checked and accuracy was confirmed by the physician throughout the case.The surgeon mentioned to the neuro coordinator that the patient had very poor bone quality as a result of metastatic bone disease.
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