This report is for an unknown plate/unknown lot.Part and lot number are unknown; udi number is unknown.Complainant part is not expected to be returned for manufacturer review/investigation.Without a lot number the device history records review could not be completed.Product was not returned.Based on the information available, it has been determined that no corrective and/or preventative action is proposed.This complaint will be accounted for and monitored via post market surveillance activities.If additional information is made available, the investigation will be updated as applicable.(b)(4).Device was used for treatment, not diagnosis.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.(b)(4).
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This report is being filed after the review of the following journal article: sengupta, d.K., khazim, r., grevitt, m.P.And webb, j.K.(2001), flexion osteotomy of the cervical spine: a new technique for correction of iatrogenic extension deformity in ankylosing spondylitis, spine, vol.26 (9), pages 1068-1072 ((b)(6)).This study presents a case report of a (b)(6) year-old female patient who had global kyphotic deformity caused by ankylosing spondylitis underwent a flexion osteotomy of the cervical spine.Surgery was performed using cervical spine locking plate (stratec ltd., welwyn garden city, uk).Paraesthesia developed in the patient¿s right c8 and t1 dermatomes during the immediate postoperative period.This problem was settled completely with halo-traction for two weeks.Immobilization was maintained with a halo-vest for 8 weeks, followed by a molded collar for another 6 weeks.At the 2-year follow-up assessment, the patient had no further complication, and her gaze angle was fully corrected.This report is for an unknown synthes plate.This is report 1 of 2 for (b)(4).
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