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对ADDISC全腰椎间盘假体的尸体生物力学研究

Pablo Jorda-Gomez¹, Vicente Vanaclocha², Amparo Vanaclocha³

¹General University Hospital of Castellon, Castellon, Spain.

Clinical biomechanics (Bristol, Avon)

|January 23, 2024

概括

一个新的腰椎盘假体模仿脊柱运动,但由于带损伤,无法恢复完全的运动. 需要进一步的研究来解决全盘置换后的带不稳定性.

科学领域:

脊柱生物力学脊柱生物力学
整形外科手术整形外科手术
生物医学工程生物医学工程

背景情况:

传统的全盘置换往往会导致脊髓的过度移动性,导致齐加细胞关节炎和慢性背痛.
这项研究研究了一种新的腰椎盘假体,旨在复制自然脊柱运动.

研究的目的:

评估一个新的腰椎间盘假体是否可以模仿尸体脊柱中完整的椎间盘的动力学.
将假肢植入后的运动范围和即时旋转中心与完整状态进行比较.

主要方法:

运动范围 (屈曲,延伸,横向曲,旋转) 在八个尸体的腰椎骨脊柱中被测量.
测量是在完整状态下进行的,在断层切除术后,在新假肢植入后进行的.

主要成果:

假肢复制了完整的磁盘的动力学和即时的旋转中心.
然而,假肢并没有恢复最初的运动范围,这归因于手术后带不稳定.
椎间盘切除显著增加了移动性,并改变了旋转中心,假肢部分纠正了这一点.

结论:

ADDISC全盘替换器成功地复制了完整的磁盘动力学和即时旋转中心.
由于带不稳定,恢复最初的全部运动范围仍然是一个挑战,需要进一步研究假肢植入期间的带修复技术.

关键词:

退行性椎间盘疾病是一种退行性椎间盘疾病.运动保存运动保存聚碳酸碳酸尿的使用情况运动范围的范围.整体椎间盘关节整形术整体更换磁盘的时间

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