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基于可变形软组织点云注册的半自动机器人穿孔系统.

Bo Zhang1,2, Kui Chen3, Yuhang Yao1

  • 1WuXi AMIT Intelligent Medical Technology Col., Ltd., Wuxi, 214000, China.

International journal of computer assisted radiology and surgery
|October 26, 2024
PubMed
概括
此摘要是机器生成的。

这项研究引入了一种新的机器人穿孔系统,用于肝脏手术实时超声波. 该系统实现了高精度和速度,克服了软组织向传统方法的局限性.

关键词:
图像识别 图像识别 图像识别点云注册点云注册是什么意思穿孔系统的穿孔系统.手术机器人 手术机器人三维重建的三维重建

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科学领域:

  • 机器人在医学中的机器人
  • 手术导航系统 手术导航系统
  • 医学成像技术 医学成像技术

背景情况:

  • 传统的CT和红外导向的手术机器人因呼吸而扎软组织变形,如肝脏.
  • 准确评估和补偿肝脏运动和变形仍然是重大技术挑战.

研究的目的:

  • 开发和评估使用实时超声波成像的半自动机器人穿孔系统.
  • 解决现有系统在穿孔可变形软组织方面的局限性.

主要方法:

  • 机器人获得实时超声波数据和空间信息.
  • 3D超声波组织点云是使用特征点注册的基于CT的点云构建和注册的.
  • 机器人自动定位穿孔指南,并在几秒钟内进行针插入.

主要成果:

  • 幻影实验 (n=24) 显示平均操作时间为64.5秒,平均穿孔误差为0.8mm.
  • 动物手术 (n=2) 证明了1.76mm和1.81mm的穿孔误差.
  • 该系统在幽灵和动物实验中实现了100%的成功率.

结论:

  • 开发的机器人系统有效地以高准确性和速度进行肝脏组织穿刺.
  • 该系统在微创手术中显示出显著的临床价值.
  • 实时超声波指导克服了与机器人手术期间软组织变形相关的挑战.