[用于全膝关节置换术中韧带平衡的改良机器人液压张量]
[Modified robotized hydraulic tensor for ligament balance in total knee arthroplasty].
作者信息
Wu Hao, Marmignon Christophe, Merloz Philippe
机构信息
Technique de l'Imagerie, de la Modélisation et de la Cognition Laboratory, les Gestes MédicoChirurgicaux Assistés par Ordinateur, Grenoble 38706, France.
出版信息
Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi. 2007 Oct;21(10):1067-70.
OBJECTIVE
To investigate a modified robotized hydraulic tensor for management of the ligament balance in the total knee arthroplasty.
METHODS
The effect of the modified robotized hydraulic tensor on the mechanical behaviour of the ligament system balance in the total knee arthroplasty was analyzed and the related information was obtained.
RESULTS
The robotized hydraulic tensor acted as a tensor-sensor system, which could assist the surgeon by providing the quantitative information to align the lower limb in extension, equalize the articular spaces in extension and flexion, balance the internal and external forces, and define the femoral component rotation, and by providing the information to plan the releasing of the soft tissues and the rotating of the femoral component.
CONCLUSION
The modified robotized hydraulic tensor can enable the surgeon to properly manage the ligament balance in the total knee arthroplasty.
目的
研究一种改良的机器人化液压张力器在全膝关节置换术中管理韧带平衡的作用。
方法
分析改良的机器人化液压张力器对全膝关节置换术中韧带系统平衡力学行为的影响并获取相关信息。
结果
机器人化液压张力器作为一种张力-传感器系统，可通过提供定量信息来辅助外科医生，使下肢在伸直位对线、伸直和屈曲时关节间隙均等、平衡内外侧力量以及确定股骨假体旋转，还可提供规划软组织松解和股骨假体旋转的信息。
结论
改良的机器人化液压张力器能够使外科医生在全膝关节置换术中妥善管理韧带平衡。
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