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。
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 vertebra of fresh corpse was cut into specimens of various direction planes. Silicone oil with a viscosity matching that of standard polymethylmethacrylate （PMMA） was injected into the vertebra specimen of corpse,the center point of vertebra or the wall of vertebra were choosed as injecting point.Then the law of fluid flowing and distributing in the vertebra before and after the silicone oil met the wall was observed respectively.Result：The silicone oil practically distributed in a circle-like shape on each plane of the vertebra,the largest area within the plane of the injection point,When the silicone oil met the wall of the vertebra,it started to distribute in all directions along the wall,Conclusion：Fluid flows and distributes in a ball-like shape it the vertebra and /lows along the vertebral wall when it meets the wall.
出处
《中国脊柱脊髓杂志》
CAS
CSCD
2006年第8期626-629,共4页
Chinese Journal of Spine and Spinal Cord
关键词
椎体成形术
流动分布
硅油
Vertebroplasty
Flow and distribute
Silicone oil
