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相关实验视频

Updated: Sep 16, 2025

Technical Approach for Infrared Tracking for Soft Tissue Navigation with a Holographic Head-Mounted Display and Preclinical Validation
10:23

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Published on: September 2, 2025

32

高效的针引导:多摄像头增强现实导航,无需针对患者的特定校准.

Yizhi Wei1,2, Bingyu Huang3,4, Bolin Zhao1

  • 1School of Engineering, Huaqiao University, Quanzhou, 362021, China.

International journal of computer assisted radiology and surgery
|July 12, 2025
PubMed
概括

这项研究引入了一种新的无标记增强现实 (AR) 系统,用于增强外科导航. 该系统提高了针头放置的准确性,并减少了手术时间,为活检和切除提供了更有效和更精确的解决方案.

关键词:
增强现实是一种增强现实.干预性放射学是干预性的放射学.微创手术是最少的侵入性手术.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
  • 手术导航 手术导航
  • 增强现实是一种增强现实.

背景情况:

  • 增强现实 (AR) 系统增强了外科导航,但通常依赖于患者特定的标记.
  • 这些标记器会破坏工作流程,需要进行大量的手术前校准,从而限制效率和精度.

研究的目的:

  • 开发一种新的多摄像头AR导航系统,消除了对患者特定标记物的需求.
  • 为了提高外科导航的准确性和简化基于针的手术流程的工作流程.

主要方法:

  • 开发了一个无标记器的AR系统,使用与固定成像设备映射到天花板上的标记器.
  • 集成了用于标记映射和多摄像头校准的层次优化框架.
  • 采用深度学习来检测标记物和基于视觉的构想来补偿患者的运动.

主要成果:

  • 在幻影和模拟的临床实验中达到3.72±1.21毫米的平均穿孔精度.
  • 与基于标记器的方法相比,针放置时间减少了20秒.
  • 证明有效地纠正患者的运动错误,其位置和角度偏差较小.

结论:

  • 无标记的AR指导系统简化了外科手术工作流程,提高了针导航的准确性.
  • 该系统的简单性,成本效益和适应性使其适用于各种临床环境.
  • 在基于针的干预中,提高精度,缩短程序时间和改善患者结果的潜力.