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人与计算机的互动在基于虚拟现实的血管干预外科手术培训系统上.

Pan Li1, Xinxin Zhang2, Xiaowei Hu2

  • 1College of Mechanical Engineering, Tianjin University of Science and Technology, No. 9, No. 13 Ave., TEDA, Tianjin 300457, China; Tianjin Key Lab of Integrated Design and On-line Monitoring for Light Industry & Food Machinery and Equipment, Tianjin University of Science and Technology, Tianjin 300457, China.

Computer methods and programs in biomedicine
|March 31, 2025
PubMed
概括
此摘要是机器生成的。

这项研究开发了一个虚拟系统来训练血管干预,以虚拟的手来改善灵活导线的控制. 该系统展示了现实的交互和精确的导航,增强了外科训练模拟.

关键词:
血管是血管的组成部分.灵活的工具互动互动.导线导线 导线导线 导线导线人与计算机的互动.血管干预性手术是血管干预性手术.虚拟培训 虚拟培训是指虚拟培训.

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科学领域:

  • 医疗模拟 医疗模拟
  • 在外科手术中使用机器人
  • 计算力学 计算力学 计算力学

背景情况:

  • 在虚拟血管干预外科手术培训系统中,精确控制和与超细,超长的柔性导线相互作用仍然具有挑战性.
  • 现有的系统很难准确地模拟虚拟血管环境中的导线操纵的复杂动态.

研究的目的:

  • 为超细,超长的柔性导线开发一个先进的虚拟模型.
  • 增强虚拟血管干预外科训练系统中的精确控制和交互能力.
  • 为了提高外科训练模拟的现实性和有效性.

主要方法:

  • 结合Cosserat棒理论和四次子的混合方法被用来建模超长的灵活导线.
  • 连续碰撞检测 (CCD) 带有空间散列可以确保精确的导线-船体碰撞检测.
  • 粘合性碰撞颗粒和延长的边界体积被实施,以实现现实的虚拟手指导线相互作用,并防止道效应.

主要成果:

  • 该系统展示了指导线的准确取和交付,操纵对准虚拟和真实手动.
  • 虚拟导线成功地通过具有不同曲率 (30°至120°) 的船只导航,平均响应时间为12.64毫秒.
  • 实现了高水平的流性和稳定性,与现实场景相比,平均交付距离差异为3.71毫米.

结论:

  • 开发的虚拟系统成功模拟了灵活的导线通过复杂的血管解剖学,包括股骨动脉和半径动脉的导航.
  • 虚拟手模型与超细,超长的柔性导线之间的交互性能非常出色,为虚拟手术培训提供了强大的理论和实验支持.