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Biomechanics of a posture-controlling cervical artificial disc: mechanical, in vitro, and finite-element analysis.

机译:姿势控制颈椎人工椎间盘的生物力学:机械,体外和有限元分析。

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摘要

Different methods have been described by numerous investigators for experimentally assessing the kinematics of cervical artificial discs. However, in addition to understanding how artificial discs affect range of motion, it is also clinically relevant to understand how artificial discs affect segmental posture. The purpose of this paper is to describe novel considerations and methods for experimentally assessing cervical spine postural control in the laboratory. These methods, which include mechanical testing, cadaveric testing, and computer modeling studies, are applied in comparing postural biomechanics of a novel postural control arthroplasty (PCA) device versus standard ball-and-socket (BS) and ball-in-trough (BT) arthroplasty devices. The overall body of evidence from this group of tests supports the conclusion that the PCA device does control posture to a particular lordotic position, whereas BS and BT devices move freely through their ranges of motion.
机译:许多研究人员已经描述了不同的方法,以通过实验评估颈椎间盘的运动学。但是,除了了解人造椎间盘如何影响运动范围外,了解人造椎间盘如何影响节段姿势在临床上也很重要。本文的目的是描述在实验室中通过实验评估颈椎姿势控制的新思路和方法。这些方法(包括机械测试,尸体测试和计算机模型研究)被用于比较新型姿势控制关节成形术(PCA)装置与标准球窝(BS)和槽内球(BT)的姿势生物力学。 )关节置换装置。这组测试的总体证据支持以下结论:PCA设备确实将姿势控制在特定的脊柱前凸位置,而BS和BT设备则在其运动范围内自由移动。

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    《Neurosurgical focus》 |2010年第6期|共1页
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  • 正文语种 eng
  • 中图分类 外科学;
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