... correction for curvature of star image path 星径曲率改正 correction screw 校正螺旋 correction to time signal 时号改正数 ...
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screw correction 螺旋形失真校正
No implant-related complications (screw loosening or breakage) or loss of correction were observed.
没有内置物相关并发症(螺钉松动或断裂)或矫正丢失。
BACKGROUND: Pedicle screw which passes through the three columns and has three-dimensional correction function, which has quickly become the standard posterior spinal internal fixation.
背景：椎弓根螺钉贯穿脊柱前中后三柱，具有三维矫正作用，已成为标准的脊椎后路内固定方法。
But loss of correction and screw loosening often occurs in patients with osteoporosis, or screw has less stability in revision surgery and re-adjust of screw position.
但骨质疏松患者容易出现螺钉松动和复位矫正丢失、螺钉翻修或者重新调整螺钉位置后螺钉的稳定性较差。
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