It was reported that the patient underwent interspinous spacer surgery for lcs.Confirming x ray image post-op, the surgeon noticed the cranial wing of the universal wing assembly went over inter spinous ligaments and moved to the right side.The concerned wing was removed and placed in revision surgery.The surgical time was extended for about 30 -60 minutes.The product used in the patient.No patient complications were reported.The interspinous spacer (size 12) was inserted after expanding with trial 14.Universal wing assemble was placed and completed the initial surgery.After changing a position of the patient, x-ray found that wing part was tilted and cranial part went through inter spinous ligaments.The revision surgery was operated on same date to re position the interspinous spacer.The surgeon told that it might be dislocated at time of the position change immediately after the surgery.
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