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对脚螺丝插入的宽容角度的评估

Lugdivine Leblond¹, Yves Godio-Raboutet¹, Yann Glard²

¹Laboratoire de Biomécanique Appliquée, UMRT24 IFSTTAR, Faculté de Medecine Secteur-Nord, Aix-Marseille University, University of Gustave Eiffel, LBA, Marseille, France.

Medical & biological engineering & computing

|January 4, 2024

概括

一个新的协议准确地测量了手术工具在脚螺丝管时的滑动. 这种方法可以根据骨质量预测穿孔,提高手术安全性和一致性.

科学领域:

整形外科手术整形外科手术
生物医学工程生物医学工程
手术机器人手术机器人手术机器人手术机器人

背景情况:

脚螺丝插入需要精确的导管,这一步骤受到外科医生的经验的影响.
骨质的变化可能会影响手术工具在管过程中的行为.
需要一种标准化的方法来描述工具骨相互作用.

研究的目的:

开发和验证一个可靠的实验协议,用于表征手术工具在管过程中的滑落.
为了评估合成骨密度对化参数的影响.
识别用于预测踏板螺丝插入过程中穿孔的关键指标.

主要方法:

使用MTS Acumen 3 A/T设备与Kistler负载电池进行合成骨样本的三步化试验.
在恒定旋转速度 (10° mm−1) 和不同口角 (10°30°) 测试了三种泡密度.
测试后扫描样本以计算化系数,并分析力数据.

主要成果:

为合成骨样本开发了一种具有高类内相关系数 (ICC) 的可复制协议 (Sawbone: 0.979,Creaplast: 0.909).
穿孔系数和最大Z轴力有效地描述了穿孔.
一个角值为17.5°预测穿孔,ROC曲线下的面积为89.5%.

结论:

开发的协议可靠地描述了手术工具在管过程中滑落的情况.
确定了关键参数和预测穿孔的角度值,独立于外科医生的经验.
这种方法可以帮助根据骨质质量评估优化脚螺丝插入.

关键词:

螺丝摆放的准确性螺丝摆放的准确性骨替代体的替代体自由手的技术人员.脚螺杆插入插入螺丝脊柱外科手术脊柱外科手术合成材料是一种合成材料.

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