It was reported that the patient underwent posterior spinal fusion (1 above/1 below fusion for l2 burst fracture and 1 above/1 below fusion for l5 burst fracture).Reportedly, the surgeon and his team operated at l1/3 using the extender bodies with no problem.Following l1/3, when they operated at l4/5, reportedly, two extender bodies placed at sacrum came off during using the sequential reducer.The surgeon placed a rod under the patient's skin after he fixed at l5 (1a1b), l4 (sas) and s1 (mas).After that, connection of an extender and mas was deviated during pushing the rod using the sequential reducer.It happened at both side.There was an overall delay of less than 60 minute in the procedure.No patient complications were reported.Reportedly, post-op, it was found that grip part of the extender bodies did not move.
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