Information was received from healthcare provider (hcp) via a manufacturer representative regarding a patient having tlif.It was reported that the screws were placed and the surgeon wanted to cement down the screw during the fluroscopy.The cement did not progress out of the fenestrated holes and then it leaked up towards the spinal canal so further steps were included in the operation to clear the cent.Further into the operation, it was impossible to seat the rod as the cement had damaged the screw head.The screw was then pulled out and had to be replaced.The event added 3 hours into the length of the surgery. there was no patient symptom reported.There were no further complications reported regarding the event.Additional information was received that the cement had leaked into the screw head and into surrounding tissue so they had to clear both, eventually ending with the screw pulling out and they had to reposition the screw, putting cement into the screw track first and then putting the new screw in.
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