肺缩的三维变形用于手术内增强现实指导:一个概念验证研究
Jette J Peek1, Tjerko Kieft2, Rahi S Alipour Symakani1,3,4
1Department of Cardiothoracic Surgery, Erasmus MC, University Medical Center Rotterdam, The Netherlands.
Innovations (Philadelphia, Pa.)
|February 2, 2026
概括
肺部手术肺部崩会导致显著的解剖学变化. 这项研究将这些变形模型用于肺切除期间潜在的增强现实 (AR) 导航.
科学领域:
- 胸部外科手术 胸部外科手术
- 医疗成像医学成像
- 计算解剖学的计算解剖学
背景情况:
- 肺部手术需要肺部膨胀,改变肺部解剖学.
- 了解崩期间的肺变形对于外科导航至关重要.
- 增强现实 (AR) 指导可以增强肺切除程序.
研究的目的:
- 评估在肺缩期间支气管树和肺膜变形.
- 开发一个用于AR指导的肺部通缩的计算模型.
- 评估模拟手术期间肺缩的可行性.
主要方法:
- 分析了来自猪模型和人类患者的缩和膨胀肺部的计算机断层扫描 (CT) 扫描.
- 支气管和腹膜被细分,并计算支气管的中心线.
- 变形参数 (直径,长度,体积变化) 被计算并应用于膨胀的支气管模型.
主要成果:
- 肺缩引起了猪和人类肺部显著的体积和解剖变化.
- 人类肺部的平均位移为14.41毫米 (右) 和11.99毫米 (左).
- 中位体积减少很大,观察到支气管缩小和长度减少.
结论:
- 算法计算的肺缩变形被应用来创建一个人造的缩支气管.
- 这种方法为动态可变形通缩模型提供了基础.
- 该模型适用于在肺切除过程中在手术期间基于AR的肺导航.
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