吴增晖,朱青安.小关节切除对颈椎抗扭转强度的影响[J].中国脊柱脊髓杂志,1994,(4):.
小关节切除对颈椎抗扭转强度的影响
Influence of facetectomy on the anti-torison strength of the cervical vertebrae
  
DOI:
中文关键词:  小关节切除术,生物力学,扭转载荷
英文关键词:Facetectomy,Biomechanical stability,Torsive loads
基金项目:
吴增晖  朱青安
广州军区广州总医院骨科,第一军医大学临床生物力学实验室
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中文摘要:
  采用21个新鲜颈段脊柱功能单位,模拟临床术式分别进行术前、术后的扭转强度试验。结果:正常对照组的极限扭矩为32.91±7.94N.m;切除一侧小关节内侧50%~60%的小关节及其相连的部分椎板时,极限扭矩为24.80±5.35N.m;切除两侧小关节及其相连的部分椎板,极限扭矩为17.33±2.07N.m。证明一侧或两侧小关节切除50%~60%时,其颈椎的抗扭转强度分别下降24.6%和47.5%。
英文摘要:
  
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