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Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point served as...

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混合现实活检导航系统使用无标记针跟踪和成像数据叠加.

Michał Trojak1,2, Maciej Stanuch2, Marcin Kurzyna3

  • 1Department of Measurement and Electronics, AGH University of Krakow, 30-059 Krakow, Poland.

Cancers
|May 25, 2024
PubMed
概括

本研究介绍了一种混合现实耳机系统,用于在活检期间精确的针导航. 这种创新解决方案显著减少了穿孔和手术时间,提高了准确性和患者的结果.

关键词:
增强现实 (AR) 是一种增强现实.活组织活检计算机视觉 计算机视觉以图像为指导的穿皮针活检.混合现实混合现实.手术导航,手术导航,手术导航,手术导航,手术导航

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科学领域:

  • 医疗成像医学成像
  • 计算机视觉 计算机视觉
  • 手术导航 手术导航

背景情况:

  • 精确的针位置对于活检成功和避免并发症至关重要.
  • 尽量减少侵入性和提高程序效率是干预放射学的关键目标.

研究的目的:

  • 引入和评估混合现实 (MR) 耳机系统,用于在活检过程中精确指导针.
  • 与传统方法相比,评估系统的准确性,效率和可用性.

主要方法:

  • 开发使用深度学习和计算机视觉的无标记针跟踪系统.
  • 整合患者成像数据与MRI可视化进行实时解剖指导.
  • 通过估计针头姿势,测量目标距离,收集材料的效率,以及程序时间/刺穿数量的比较来评估性能.

主要成果:

  • 该系统展示了精确的针头位置估计和准确指导目标位置.
  • 医生主导的测试显示,所需的穿孔数量显著减少.
  • 第一次尝试的成功完成率从20%增加到70%,程序时间减少了53%.

结论:

  • 拟议的混合现实导航系统提高了活检程序的精度和效率.
  • 这项技术为改善干预放射学工作流程和患者安全提供了有前途的解决方案.
  • 该系统能够减少手术时间和穿孔的能力验证了其临床实用性.