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Computer-assisted gap equalization in total knee arthroplasty
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DOI：10.1016/j.arth.2006.05.018.png)
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摘要
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This in vitro biomechanical study compared a conventional balancing technique in knee arthroplasty to a technique using computer assistance. The experimental technique used a soft tissue tensioner instrumented with computer-monitored load cells to quantify soft tissue tension. To assess outcome, a tibial load transducer measured medial and lateral compartment forces and tibial rotation. An electromagnetic tracking system quantified knee position under simulated muscle loading. The computer-assisted technique improved knee balance before insertion of components. However, once components were implanted, there was no difference in knee load balance between the 2 techniques. No correlation was shown between compartmental load balance and tibial rotation or mechanical axis misalignment. Although computer-assisted surgery may improve technical accuracy, further work is necessary to achieve an optimal final knee load balance.
Keyword:
total knee arthroplasty
computer assisted
balance
ligament
tension
gap equalization
期刊
IF:
3.8
论文数:
1.2W
被引数:
3.0W
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分享收藏Flexion-extension joint gap changes after lateral structure release for valgus deformity correction in total knee arthroplasty - A cadaveric study全膝关节置换外侧结构释放矫正外翻畸形后屈伸关节间隙变化的尸体研究
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