刘绪立,雷伟,郑金,李国君,吕荣,李丹.流体在椎体内流动及分布规律的实验研究[J].中国脊柱脊髓杂志,2006,(8):.
流体在椎体内流动及分布规律的实验研究
Experimental research on the law of fluid flowing and distributing in the vertebra
  
DOI:
中文关键词:  椎体成形术  流动分布  硅油
英文关键词:Vertebroplasty  Flow and distribute  Silicone oil
基金项目:
刘绪立  雷伟  郑金  李国君  吕荣  李丹
[1]第四军医大学西京医院全军骨科研究所,西安市710032 [2]西安交通大学能源与动力工程学院流体力学教研室,西安市710049
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中文摘要:
  目的:观察流体在椎体内的流动及分布规律,为临床椎体内注射骨水泥治疗高危骨质疏松及椎体骨折提供操作的理论基础.方法:将新鲜尸体的脱脂椎体标本分别截成具有水平方向和纵行方向截面的椎体标本,分别以椎体中心和椎弓根为注射点,于椎体标本中注入与标准骨水泥粘度相当的硅油,用肉眼分别观察硅油碰壁后和未碰壁的流动分布规律.结果:硅油注入椎体后在椎体的各个平面上呈类圆形分布,位于注射点平面面积最大,硅油碰壁后,则沿着壁向四周分布.结论:流体在椎体内以注射点为中心呈类球形流动分布,碰壁后沿着壁向四周流动分布.
英文摘要:
  Objective:To investigate the law of fluid flowing and distributing in the vertebra and provide the operational theoretical basis for the technique of injecting fluid into the vertebra to cure high risk osteoporosis and vertebral fracture.Method:The verteb
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