骨水泥量及分布对椎体成形术后相邻椎体生物力学影响的三维有限元分析
目的利用三维有限元分析骨水泥量及分布对相邻椎体生物力学的影响。方法通过CT数据,利用Mimics10.0、Geomagic studio 11.0、Hyper Mesh l1.0、Abaqus 6.9有限元分析软件,建立骨质疏松性椎体模型,根据骨水泥量及分布方式建成有限元模型,施加载荷,测量相邻椎体应力分布变化情况。结果垂直载荷下,T12椎体皮质骨等效应力在单侧2 ml骨水泥灌注中较高为29.49 MPa;下终板所受应力在单侧偏中4 ml骨水泥灌注中较高为3.93 MPa。L2皮质骨等效应力在单侧骨水泥灌注较高为15.29 MPa;上终板所受应力在单侧偏中2 ml骨水泥灌注中较高为4.53 M...
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| Published in | 中国骨质疏松杂志 Vol. 21; no. 1; pp. 29 - 33 |
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| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
湖南常德市第一中医医院骨伤科脊柱病区 415000
2015
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1006-7108 |
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| Abstract | 目的利用三维有限元分析骨水泥量及分布对相邻椎体生物力学的影响。方法通过CT数据,利用Mimics10.0、Geomagic studio 11.0、Hyper Mesh l1.0、Abaqus 6.9有限元分析软件,建立骨质疏松性椎体模型,根据骨水泥量及分布方式建成有限元模型,施加载荷,测量相邻椎体应力分布变化情况。结果垂直载荷下,T12椎体皮质骨等效应力在单侧2 ml骨水泥灌注中较高为29.49 MPa;下终板所受应力在单侧偏中4 ml骨水泥灌注中较高为3.93 MPa。L2皮质骨等效应力在单侧骨水泥灌注较高为15.29 MPa;上终板所受应力在单侧偏中2 ml骨水泥灌注中较高为4.53 MPa。侧屈载荷下,T12椎体皮质骨所受等效应力在单侧偏中4 ml骨水泥灌注较高114.83 MPa;下终板所受应力在双侧骨水泥4 ml灌注中较高为8.62 MPa。L2椎体皮质骨所受等效应力在单侧偏中4 ml骨水泥中较高为96.41 MPa;上终板所受应力在单侧偏中4 ml骨水泥灌注中较高为9.80 MPa。旋转载荷下,T12椎体皮质骨所受等效应力在单侧2 ml骨水泥灌注中较高为119.42 MPa;下终板所受应力在单侧2 ml骨水泥灌注中较高为8.77 MPa。L2椎体皮质骨所受等效应力在单侧2 ml骨水泥灌注中较高为146.31 MPa;L2上终板所受应力在单侧2 ml骨水泥灌注中较高为7.84 MPa。结论骨水泥量及分布是相邻椎体发生骨折的一个重要因素,但与椎体所受力学载荷方向也密切相关。 |
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| AbstractList | 目的利用三维有限元分析骨水泥量及分布对相邻椎体生物力学的影响。方法通过CT数据,利用Mimics10.0、Geomagic studio 11.0、Hyper Mesh l1.0、Abaqus 6.9有限元分析软件,建立骨质疏松性椎体模型,根据骨水泥量及分布方式建成有限元模型,施加载荷,测量相邻椎体应力分布变化情况。结果垂直载荷下,T12椎体皮质骨等效应力在单侧2 ml骨水泥灌注中较高为29.49 MPa;下终板所受应力在单侧偏中4 ml骨水泥灌注中较高为3.93 MPa。L2皮质骨等效应力在单侧骨水泥灌注较高为15.29 MPa;上终板所受应力在单侧偏中2 ml骨水泥灌注中较高为4.53 MPa。侧屈载荷下,T12椎体皮质骨所受等效应力在单侧偏中4 ml骨水泥灌注较高114.83 MPa;下终板所受应力在双侧骨水泥4 ml灌注中较高为8.62 MPa。L2椎体皮质骨所受等效应力在单侧偏中4 ml骨水泥中较高为96.41 MPa;上终板所受应力在单侧偏中4 ml骨水泥灌注中较高为9.80 MPa。旋转载荷下,T12椎体皮质骨所受等效应力在单侧2 ml骨水泥灌注中较高为119.42 MPa;下终板所受应力在单侧2 ml骨水泥灌注中较高为8.77 MPa。L2椎体皮质骨所受等效应力在单侧2 ml骨水泥灌注中较高为146.31 MPa;L2上终板所受应力在单侧2 ml骨水泥灌注中较高为7.84 MPa。结论骨水泥量及分布是相邻椎体发生骨折的一个重要因素,但与椎体所受力学载荷方向也密切相关。 R683.2; 目的：利用三维有限元分析骨水泥量及分布对相邻椎体生物力学的影响。方法通过CT数据，利用Mimics10?0、Geomagic studio 11?0、HyperMesh l1?0、Abaqus 6?9有限元分析软件，建立骨质疏松性椎体模型，根据骨水泥量及分布方式建成有限元模型，施加载荷，测量相邻椎体应力分布变化情况。结果垂直载荷下，T12椎体皮质骨等效应力在单侧2 ml骨水泥灌注中较高为29?49 MPa；下终板所受应力在单侧偏中4 ml骨水泥灌注中较高为3?93 MPa。 L2皮质骨等效应力在单侧骨水泥灌注较高为15?29 MPa；上终板所受应力在单侧偏中2 ml骨水泥灌注中较高为4?53 MPa。侧屈载荷下，T12椎体皮质骨所受等效应力在单侧偏中4 ml骨水泥灌注较高114?83 MPa；下终板所受应力在双侧骨水泥4 ml灌注中较高为8?62 MPa。 L2椎体皮质骨所受等效应力在单侧偏中4 ml骨水泥中较高为96?41 MPa；上终板所受应力在单侧偏中4 ml骨水泥灌注中较高为9?80 MPa。旋转载荷下，T12椎体皮质骨所受等效应力在单侧2 ml骨水泥灌注中较高为119?42 MPa；下终板所受应力在单侧2 ml骨水泥灌注中较高为8?77 MPa。 L2椎体皮质骨所受等效应力在单侧2 ml骨水泥灌注中较高为146?31 MPa；L2上终板所受应力在单侧2 ml骨水泥灌注中较高为7?84 MPa。结论骨水泥量及分布是相邻椎体发生骨折的一个重要因素，但与椎体所受力学载荷方向也密切相关。 |
| Abstract_FL | Objective To analyze the biomechanical effect of the volume and distribution of bone cement on the adjacent vertebrae using 3D finite analysis. Methods Using Mimics 10?0, Geomagic studio 11?0, HyperMesh 11?0, and Abaqus 6?9 softwares, a geometric reconstruction of the vertebral body was developed using the CT 3D reconstruction data. The finite model was established according to the volume and distribution of bone cement. The loading was performed to investigate the force distribution of the adjacent vertebrae. Results Under the vertical loading, the von Mises stress on the cortical bone of T12 was 29?49 MPa in the unilateral 2 ml bone cement perfusion. The von Mises stress on the lower endplate was higher to 3?93 MPa in the unilateral across the midline 2 ml bone cement perfusion. The von Mises stress on cortical bone of L2 was 15?29 MPa in the unilateral bone cement perfusion. The von Mises stress on the upper endplate was 4?53 MPa in the unilateral across the midline 2 ml bone cement perfusion. Under the lateral bending load, the von Mises stress on cortical bone of T12 was 114?83 MPa in the unilateral across the midline 4 ml bone cement perfusion. The von Mises stress on the lower endplate was 8?62 MPa in the bipedicular 4 ml bone cement perfusion. The von Mises stress on cortical bone of L2 was 96?41 MPa in the unilateral across the midline 4 ml bone cement perfusion. The von Mises stress on the upper endplate was 9?80 MPa in the unilateral across the midline 4 ml bone cement perfusion. Under the rotating load, the von Mises stress on cortical bone of T12 was 119?42 MPa in the unilateral 2 ml bone cement perfusion. The von Mises stress on the lower endplate was 8?77 MPa in the unilateral 2ml bone cement perfusion. The von Mises stress on cortical bone of L2 was 146?31MPa MPa in the unilateral 2 ml bone cement perfusion. The von Mises stress on the upper endplate was 7?84 MPa in the unilateral 2 ml bone cement perfusion. Conclusion The volume and distribution of bone cement are the most important determinant in adjacent vertebrae fractures. The direction of the mechanical loading is also closely related. |
| Author | 卢昌怀 刘志军 张宏波 常峥 王瑜 周伟平 |
| AuthorAffiliation | 湖南常德市第一中医医院骨伤科脊柱病区415000 |
| AuthorAffiliation_xml | – name: 湖南常德市第一中医医院骨伤科脊柱病区 415000 |
| Author_FL | LU Changhuai Wang Yu LIU Zhijun ZHANG Hongbo Zhou Weiping Chang Zheng |
| Author_FL_xml | – sequence: 1 fullname: LU Changhuai – sequence: 2 fullname: LIU Zhijun – sequence: 3 fullname: ZHANG Hongbo – sequence: 4 fullname: Chang Zheng – sequence: 5 fullname: Wang Yu – sequence: 6 fullname: Zhou Weiping |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | Effect of the volume and distribution of bone cement on the adjacent vertebrae after vertebroplasty： A finite analysis |
| DocumentTitle_FL | Effect of the volume and distribution of bone cement on the adjacent vertebrae after vertebroplasty:A finite analysis |
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| Keywords | 生物力学 Biomechanics 有限元分析 Vertebroplasty Bone cement 骨水泥 Finite element analysis 椎体成形术 |
| Language | Chinese |
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| Notes | LU Changhuai, LIU Zhijun, ZHANG Hongbo, Chang Zheng, Wang Yu, Zhou Weiping （Department of Orthopedics and Traumat01ogy, the First Hospital of Traditional Chinese Medicine in Changde, Changde 415000, China） Vertebroplasty; Bone cement; Finite element analysis; Biomechanics Objective To analyze the biomechanical effect of the volume and distribution of bone cement on the adjacent vertebrae using 3D finite analysis.Me thods Using Mimics 10.0,Geomagic studio 11.0,Hyper Mesh 11.0,and Abaqus 6.9softwares,a geometric reconstruction of the vertebral body was developed using the CT 3D reconstruction data.The finite model was established according to the volume and distribution of bone cement.The loading was performed to investigate the force distribution of the adjacent vertebrae.Re sults Under the vertical loading,the von Mises stress on the cortical bone of T12 was29.49 MPa in the unilateral 2 ml bone cement perfusion.The von Mises stress on the lower endplate was higher to 3.93 MPa in the unilateral across the midlin |
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| PublicationTitle | 中国骨质疏松杂志 |
| PublicationTitleAlternate | Chinese Journal of Osteoporosis |
| PublicationTitle_FL | Chinese Journal of Osteoporosis |
| PublicationYear | 2015 |
| Publisher | 湖南常德市第一中医医院骨伤科脊柱病区 415000 |
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| Snippet | 目的利用三维有限元分析骨水泥量及分布对相邻椎体生物力学的影响。方法通过CT数据,利用Mimics10.0、Geomagic studio 11.0、Hyper Mesh l1.0、Abaqus... R683.2; 目的：利用三维有限元分析骨水泥量及分布对相邻椎体生物力学的影响。方法通过CT数据，利用Mimics10?0、Geomagic studio 11?0、HyperMesh l1?0、Abaqus... |
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| SubjectTerms | 有限元分析 椎体成形术 生物力学 骨水泥 |
| Title | 骨水泥量及分布对椎体成形术后相邻椎体生物力学影响的三维有限元分析 |
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