| 下颈椎前路内固定联合后路经关节金属螺钉置入固定的生物力学稳定性 |
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| 引用本文： | 康建平,冯大雄,王清,钟德君,李骏,叶飞,王松. 下颈椎前路内固定联合后路经关节金属螺钉置入固定的生物力学稳定性[J]. 中国组织工程研究与临床康复, 2011, 15(35): 6532-6535. DOI: 10.3969/j.issn.1673-8225.2011.35.017 |
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| 作者姓名： | 康建平 冯大雄 王清 钟德君 李骏 叶飞 王松 |
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| 作者单位： | 泸州医学院附属医院脊柱外科,四川省泸州市,646000 |
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| 基金项目： | 四川省卫生厅自然科学基金资助项目,泸州医学院自然科学基金资助项目 |
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| 摘 要： | 背景:对退变性颈椎管狭窄单纯采用前路椎体次全切除或椎间盘切除或单纯后路单开门椎管扩大成行均不能彻底完成脊髓减压和脊柱三柱稳定。目的:探讨下颈椎前路固定联合后路经关节螺钉固定的生物力学稳定性。方法:正常成人尸体颈椎标本,每具分别制作以下两种模型:①经后路C3～C7单开门和下颈椎前路C5椎体次全切除钛网支撑植骨、ORION内固定模型(对照组)。②经后路C3～C7单开门和经关节螺钉内固定及下颈椎前路C5椎体次全切除钛网内植骨、ORION内固定模型(实验组)。结果与结论:实验组在前屈、后伸、左、右侧屈及左、右旋转移位角度均小于对照组(P<0.001)。提示:①在生物力学实验中,下颈椎前路固定联合后路经关突节螺钉固定的生物力学性能优良,对抗前屈、后伸、左、右旋转的作用力更强,颈椎可获得更可靠的稳定性。②下颈椎前路固定联合后路经关节螺钉固定在对抗颈椎前屈运动时力学稳定性更为强大。
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| 关 键 词： | 颈椎 经关节螺钉 内固定 生物力学 后路 |
Biomechanical stability of the lower cervical spine inter-fixation by anterior approach combined with posterior articular screws |
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| Kang Jian-ping,Feng Da-xiong,Wang Qing,Zhong De-jun,Li Jun,Ye Fei,Wang Song. Biomechanical stability of the lower cervical spine inter-fixation by anterior approach combined with posterior articular screws[J]. Journal of Clinical Rehabilitative Tissue Engineering Research, 2011, 15(35): 6532-6535. DOI: 10.3969/j.issn.1673-8225.2011.35.017 |
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| Authors: | Kang Jian-ping Feng Da-xiong Wang Qing Zhong De-jun Li Jun Ye Fei Wang Song |
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| Affiliation: | Kang Jian-ping,Feng Da-xiong,Wang Qing,Zhong De-jun,Li Jun,Ye Fei,Wang SongDepartment of Orthopedics,the Affiliated Hospital of Luzhou Medical College,Luzhou 646000,Sichuan Province,China |
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| Abstract: | BACKGROUND:A simple anterior corpectomy or discectomy,or simple posterior open canal to expand a single trip cannot fully complete three-column spinal cord decompression and spinal stabilization in patients with degenerative cervical stenosis.OBJECTIVE:To study the biomechanical stability of the lower cervical spine inter-fixation by anterior approach combined with posterior srticular screws.METHODS:Ten cervical spine specimens were gained from cadavers.Every specimen was managed via two methods sequentiall... |
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