Kinematics and load-sharing of an anterior thoracolumbar spinal reconstruction construct with PEEK rods: An in vitro biomechanical study

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• 作者：Ruozhou Zhou ; MD^a ; ^b ; Zhiping Huang ; BSc^a ; Xiang Liu ; MD^a ; Jie Tong ; MD^b ; Wei Ji ; MD^a ; Sheting Liu ; MD^b ; Qingan Zhu ; PhD^a ; ^{qinganzhu@gmail.com}
• 关键词：Polyetheretherketone rod ; Kinematics ; Load sharing ; Corpectomy ; Anterior reconstruction
• 刊名：Clinical Biomechanics
• 出版年：2016
• 出版时间：December 2016
• 年：2016
• 卷：40
• 期：Complete
• 页码：1-7
• 全文大小：1031 K
• 卷排序：40

文摘

The PEEK rod allowed more motion compared to the titanium rod, but constrained motions in flexion and lateral bending. The compressive preload resulted in higher compressive force in the anterior graft, particularly with the PEEK rod construct. The compressive force in the graft increased in flexion and decreased in extension under compressive preload.