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首页> 美国卫生研究院文献>International Orthopaedics >Comparison of interface contact profiles of a new minimum contact locking compression plate and the limited contact dynamic compression plate
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Comparison of interface contact profiles of a new minimum contact locking compression plate and the limited contact dynamic compression plate

机译：新型最小接触锁定压缩板和有限接触动态压缩板的界面接触轮廓比较

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摘要

In this study, we investigated whether or not a new minimum contact locking compression plate (MC-LCP) can provide advantages over the limited contact dynamic compression plate (LC-DCP) in the context of interface contact area and force. Six matched pairs of cadaveric bones were used for each of three bone types of the humerus, radius and ulna. For each bone type, one of two bone plates was fixed to either of two matched cadaveric bones at the middle of the diaphysis. The interface contact area and force of the plate fixed to three types of human cadaveric bones were evaluated using Fuji prescale pressure sensitive film. Data were quantitated using computer-assisted image analysis. Results showed that the average force between the MC-LCP and humerus or radius was about half of that of the LC-DCP. And the average force between the MC-LCP and ulna was one third less than that of the LC-DCP. Meanwhile, the interface contact area between the MC-LCP and humerus or radius was also about half of that of the LC-DCP, and the interface contact area between the MC-LCP and ulna was less than one third of that of the LC-DCP. These results indicate that the MC-LCP has lower interface contact area and lower average force than that of the LC-DCP. Thus, the MC-LCP system may be a good alternate to treat forearm diaphyseal fractures.
机译：在这项研究中，我们调查了在界面接触面积和受力情况下，新的最小接触锁定压缩板（MC-LCP）是否可以提供优于有限接触动态压缩板（LC-DCP）的优势。肱骨，radius骨和尺骨的三种骨骼类型分别使用六对匹配的尸体骨骼。对于每种骨类型，两个骨板中的一个固定在骨干中间的两个匹配的尸体骨中的一个上。使用Fuji prescale压敏膜评估了固定在三种人体尸体骨板上的板的界面接触面积和作用力。使用计算机辅助图像分析对数据进行定量。结果表明，MC-LCP与肱骨或radius骨之间的平均力约为LC-DCP的一半。 MC-LCP和尺骨之间的平均力比LC-DCP的平均力小三分之一。同时，MC-LCP与肱骨或radius骨之间的界面接触面积也约为LC-DCP的一半，MC-LCP与尺骨之间的界面接触面积不到LC-DCP的三分之一。 DCP。这些结果表明，MC-LCP的界面接触面积和平均力均低于LC-DCP。因此，MC-LCP系统可能是治疗前臂干phy端骨折的好选择。

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