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使用转换矩阵和神经外科手术的几何代数扩展立体工作信封
Basel Sharaf1, Seth Lewis2, David Choung3
1Division of Plastic Surgery, Mayo Clinic, Rochester, MN USA.
Biomedical engineering letters
|January 9, 2025
概括
用适配器增强了一个新的立体系统,将其导航能力扩展到整个大脑. 这项创新提高了准确性,并扩大了神经外科手术的应用范围,超出了深度大脑刺激.
科学领域:
- 神经外科 神经外科
- 医疗器械 医疗器械
- 机器人技术 机器人技术 机器人技术
背景情况:
- 传统的立体系统依赖于笛卡尔坐标和线性代数来进行大脑导航.
- 之前的新系统为外科医生提供了更好的舒适性,更小的尺寸和简化的界面,但仅限于深度大脑刺激应用.
- 扩展神经外科应用的需求促使开发一个全脑导航系统.
研究的目的:
- 开发和验证一个翻译和旋转适配器系统,以扩展立体图形框架系统的导航能力到整个腔.
- 为了评估修改后的立体战术系统的机械和图像引导的准确性.
- 在模拟的手术场景中评估系统的临床工作流程和可靠性.
主要方法:
- 一个由八个转换和旋转适配器组成的系统被设计和3D打印,以适应一个立体的框架的头骨关键.
- 为适配器开发了旋转和转换的数学公式.
- 使用地面真相成像幻影和带有计算机断层扫描指导的尸体头部测试了准确性.
主要成果:
- 适配器系统成功地扩大了立体系统的工作范围,覆盖了整个头部.
- 机械精度为1.75±0.09毫米 (n=20个目标).
- 尸体手术准误差为1.18 ± 0.28毫米 (n=10个植入).
结论:
- 几何代数和硬件修改的新应用显著扩大了立体系统的覆盖范围,覆盖了整个头骨腔.
- 这种扩展的能力大大扩大了立体系统在神经外科手术中的临床应用.
- 该系统在外科导航中表现出可靠和准确的性能.
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