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相关概念视频

Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

Capsule endoscopy, or wireless or video capsule endoscopy, is a diagnostic procedure for examining the entire gastrointestinal tract. Patients swallow a capsule about the size of a vitamin tablet. The capsule is equipped with a transmitter, a battery, an LED light source, and a color video camera to capture images throughout the gastrointestinal tract. This procedure is particularly useful for diagnosing conditions such as Crohn's disease, ulcerative colitis, tumors, polyps, ulcers, unexplained...
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Endoscopic Retrograde Cholangiopancreatography (ERCP) is a diagnostic procedure that combines endoscopy and fluoroscopy to diagnose and treat conditions related to the bile ducts, pancreatic ducts, and gallbladder. This procedure is beneficial for identifying and addressing blockages, gallstones, strictures, and tumors within the biliary or pancreatic systems. ERCP is both diagnostic and therapeutic, offering the ability to visualize and treat identified problems in one session.
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相关实验视频

Updated: Jun 19, 2026

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EasyVis:一个实时3D可视化软件系统用于腹腔镜手术盒训练器.

Yung-Hong Sun1, Jianwei Ke2, Jayer Fernandes2

  • 1Electrical and Computer Engineering, University of Wisconsin-Madison, Madison, WI, USA. ysun376@wisc.edu.

Updates in surgery
|March 16, 2025
PubMed
概括

一个沉浸式3D腹腔镜可视化系统EasyVis显示了提高手术效率的前景. 这项研究通过使用一种新的算法来验证其可行性,用于实时3D姿势估计和手术仪器的染.

关键词:
几个视图重建的重建.腹腔镜外科手术训练盒训练盒实时3D重建实时3D重建实时3D染实时3D染实时增强现实的实时增强现实实时手术互动系统 实时手术互动系统

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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
  • 手术技术 手术技术

背景情况:

  • 腹腔镜手术需要先进的可视化工具,以提高效率和安全性.
  • 现有的系统可能缺乏复杂程序所需的沉浸式实时3D功能.

研究的目的:

  • 为了验证EasyVis沉浸式3D腹腔镜可视化系统的可行性.
  • 开发和测试用于手术培训环境中的实时3D对象跟踪和染的可视化算法.

主要方法:

  • 开发了2D对象检测和跟踪算法,以确定手术工具的2D姿势.
  • 实现了3D融合算法,以估计和跟踪刚性手术仪器的3D姿势.
  • 获取前景对象和背景环境的3D模型,使用结构化的光和来自运动的结构.
  • 集成的前景和背景3D模型,可从所需的视角进行基于图像的染.

主要成果:

  • 成功展示了获得和跟踪刚性腹腔镜外科工具3D姿势的能力.
  • 验证了染图像的准确性和质量,整合了前景和背景3D模型.
  • 证实了EasyVis系统在模拟腹腔镜手术培训环境中的可行性.

结论:

  • 该EasyVis系统,加上开发的可视化算法,为沉浸式3D腹腔镜手术提供了一种可行的方法.
  • 这项技术有可能通过实时3D可视化增强外科培训,提高腹腔镜手术的效率.