胸腰椎骨折矢状面弧度矫正与内固定关系的实验研究The Empirical Study of the Correctional Angular on Sagittal Plane with the Internal Fixation in Curing Fractures of Thoraco-lumbar Vertebrate
朱小建;曹建华;成红兵;杨惠林;
摘要(Abstract):
目的:实验验证经后路钉棒系统治疗胸腰椎骨折时,钛棒的折弯弧度与所固定节段矢状面弧度的等同关系,并讨论其影响因素。方法:取成年猪8具56个连续节段的颈椎、颈胸椎为实验标本,制成前中柱损伤模型,应用椎弓根螺钉系统复位固定,分析所固定钛棒的折弯角、所固定节段矫形后的cobb角,分析两角度是否存在显著差异及各种影响因素。结果:棒的折弯角度与钉棒系统所固定节段矫形后的cobb角两者比较差异无统计学意义(P>0.05)。结论:实验证明治疗胸腰椎骨折时,钛棒的折弯角度与所固定节段脊柱形成的cobb角度等同,能够较精确的预见术后恢复所固定节段的矢状面的弧度,为临床治疗提供依据。
关键词(KeyWords): 脊柱骨折;胸椎;腰椎;内固定器;矢状面;猪
基金项目(Foundation): 南通市科技局指令性课题(S2010047)
作者(Authors): 朱小建;曹建华;成红兵;杨惠林;
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