Comparison of algorithms for automated femur fracture reduction

Suero Eduardo M.; Westphal Ralf; Citak Musa; Hawi Nael; Liodakis Emmanouil; Omar Mohamed; Krettek Christian; Stuebig Timo

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Comparison of algorithms for automated femur fracture reduction

机译：自动股骨骨折减少算法的比较

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Abstract Purpose We designed an experiment to determine the comparative effectiveness of computer algorithms for performing automated long bone fracture reduction. Methods Automated reduction of 10 3D fracture models was performed using two computer algorithms, random sample matching (RANSAM) and Z‐buffering (Z‐Buffer), and one of five options of post‐processing: none; iterative closest point algorithm (ICP); ICP‐X1; ICP‐X2; and ICP‐X3. We measured the final alignment between the two fragments for each algorithm and post‐processing option. Results The RANSAM algorithm combined with postprocessing algorithm ICP‐X1 or ICP‐X3 resulted in the most accurate fracture reduction in the translational plane. No discernible difference was observed in the rotational plane. Automated reduction had more accurate translational displacement than telemanipulated manual reductions. Conclusion This study supports the use of the RANSAM algorithm for automated fracture reduction procedures. The use of ICP algorithms provides further optimization of the initial reduction.

机译：摘要目的：我们设计了一个实验，以确定计算机算法在长骨骨折自动复位中的相对有效性。方法使用随机样本匹配（RANSAM）和Z缓冲（Z缓冲）两种计算机算法，以及五种后处理选项中的一种，对10个三维骨折模型进行自动缩小：无；迭代最近点算法；ICP-X1；ICP-X2；和ICP-X3。我们测量了每个算法和后处理选项的两个片段之间的最终对齐。结果RANSAM算法结合后处理算法ICP-X1或ICP-X3在平移平面上实现了最精确的骨折复位。在旋转平面上没有观察到明显的差异。自动复位比远程手动复位更准确。结论本研究支持使用RANSAM算法进行自动骨折复位。ICP算法的使用进一步优化了初始还原。

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《The international journal of medical robotics + computer assisted surgery: MRCAS》 |2018年第1期|共6页
作者
Suero Eduardo M.; Westphal Ralf; Citak Musa; Hawi Nael; Liodakis Emmanouil; Omar Mohamed; Krettek Christian; Stuebig Timo;
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作者单位

Trauma Department Hannover Medical SchoolHannover Germany;

Institute for Robotics and Process ControlBraunschweig University of TechnologyBrunswick Germany;

Trauma Department Hannover Medical SchoolHannover Germany;

Trauma Department Hannover Medical SchoolHannover Germany;

Trauma Department Hannover Medical SchoolHannover Germany;

Trauma Department Hannover Medical SchoolHannover Germany;

Trauma Department Hannover Medical SchoolHannover Germany;

Trauma Department Hannover Medical SchoolHannover Germany;

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正文语种 eng
中图分类外科学;
关键词
femur fracture; intramedullary nailing; robotic fracture reduction; telemanipulated fracture reduction;

机译：股骨骨折;髓内钉;机器人断裂减少;Telemanipuly骨折减少;

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Comparison of algorithms for automated femur fracture reduction

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