王良意,陈德玉,王新伟,郭永飞,徐建伟,王以进.小牛颈椎椎体次全切除应用不同内置物重建后的极限力学测试[J].中国脊柱脊髓杂志,2005,(2):.
小牛颈椎椎体次全切除应用不同内置物重建后的极限力学测试
The utmost load and displacement of different implants in bovine cervical spinal subcorpectomy model
  
DOI:
中文关键词:  颈椎 脊柱融合术 内同定 生物力学
英文关键词:Cervical vertebrae,Spinal fusion,Internal fixator,Biomechanics
基金项目:上海市科学技术委员会资助项目(024419126)
王良意  陈德玉  王新伟  郭永飞  徐建伟  王以进
第二军医大学附属长征医院骨科 200003上海市 (王良意,陈德玉,王新伟,郭永飞,徐建伟)
,第二军医大学附属长征医院骨科 200003上海市(王以进)
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中文摘要:
  目的:测试小牛颈椎椎体次全切除不同内置物重建后标本的极限力学性能。方法:32具小牛颈椎标本随机分成颈前路可调式融合固定器组(AC-AFF)、钢板髂骨组(AI)、钢板钛网组(AT)及对照组(未行手术组),测量每组标本的最大载荷和最大位移。结果:正常小牛颈椎标本的极限载荷最高为(1182±12.24)N,AI组的承载能力最差为(973±9.02)N;AC-AFF组极限载荷为(1060±11.40)N,高于AT组与AI组(P<0.01)。4组间的极限位移间无显著性差异(P>0.05)结论:AC-AFF对抗破坏载荷的能力强于前路钢板。
英文摘要:
  Objective:To investigate the utmost load and displacement of different implants in bovine cervical spinal subcorpectomy model.Method:Thirty-two bovine cervical spine specimens were randomly divided into four groups,which were anterior cervical-adjustable
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