计算机模拟的 TOUCH 假肢杯错位和解决方案
Kevin Knappe1, Mareike Schonhoff2, Sebastian Jaeger2
1Department of Orthopaedics, Heidelberg University Hospital, Heidelberg, Germany.
Hand surgery & rehabilitation
|May 3, 2024
概括
对形甲关节骨关节炎的全关节置换杯进行检查至关重要. 计算机模拟显示,使用尺寸10的形杯子,可能与骨头移植一起,为错位或倾斜的杯子提供了最好的修改选项.
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
- 植入物设计 植入物设计
背景情况:
- 全关节置换对于晚期的形甲手关节骨关节炎越来越常见.
- 双流动性假肢在短期到中期提供了良好的功能效果.
- 正确的杯子放置对于稳定性和防止脱位至关重要.
研究的目的:
- 模拟和分析错位全关节置换杯的手术内修复选项.
- 根据缺陷区域和骨接触来确定最好的杯型和尺寸进行修改.
主要方法:
- 现有的球形和形杯子 (尺寸为9mm和10mm) 的计算机辅助设计 (CAD) 模型被利用.
- 模拟分析了倾斜或错位杯子的修订结果.
- 缺陷区域和骨接触区域是评估修改策略的关键指标.
主要成果:
- 一个大小9的形杯子可以被一个大小9的球形杯子所取代,如果它正确的中心.
- 一个尺寸9的球形杯子需要一个尺寸10的杯子进行修改.
- 对于倾斜或错位的大小9杯,一个大小10的形杯,有时有骨头移植,提供最大的骨接触面积.
结论:
- 计算机模拟为在全关节置换中进行手术内杯体修复提供了指导.
- 修改策略取决于杯子的大小,形状和错位的类型.
- 在临床应用之前,建议使用解剖样本进行进一步验证.
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