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相关概念视频

Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

Ultrasound II: Endoscopic Ultrasound and FibroScan

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Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
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Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

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Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...
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Endoscopic Procedures III: Video Capsule Endoscopy01:28

Endoscopic Procedures III: Video Capsule Endoscopy

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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,...
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相关实验视频

Updated: Jul 19, 2025

Model Surgical Training: Skills Acquisition in Fetoscopic Laser Photocoagulation of Monochorionic Diamniotic Twin Placenta Using Realistic Simulators
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Model Surgical Training: Skills Acquisition in Fetoscopic Laser Photocoagulation of Monochorionic Diamniotic Twin Placenta Using Realistic Simulators

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向着一个胎儿镜的导航框架.

Alessandro Casella1,2, Chiara Lena3, Sara Moccia4

  • 1Department of Advanced Robotics, Istituto Italiano di Tecnologia, Genoa, Italy. alessandro.casella@polimi.it.

International journal of computer assisted radiology and surgery
|August 16, 2023
PubMed
概括
此摘要是机器生成的。

这项研究引入了一个新的AI框架,用于在双胞胎对双胞胎输血综合征 (TTTS) 胎儿手术期间创建详细的胎盘图. 该系统通过扩大视野和从丢失的摄像头跟踪中恢复来改善手术可视化.

关键词:
胎儿外科手术 胎儿外科手术胚胎镜检查 (fetoscopy) 是一种用于检查胎儿的方法.马赛克的制作封闭恢复恢复的时间.双胞胎对双胞胎输血综合征

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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:

  • 双胞胎对双胞胎输血综合征 (TTTS) 需要精确的手术干预.
  • 胎镜激光光凝血是TTTS的标准治疗方法.
  • 增强对胎盘的可视化对于有效的胎儿手术至关重要.

研究的目的:

  • 开发一个基于学习的框架,在胎儿镜检查过程中扩大视野.
  • 从手术视频中创建强大的胎盘马赛克,以改善外科探索.
  • 为了使闭塞恢复和框架重新定位,而不依赖于解剖学地标.

主要方法:

  • 一个新的框架,利用基于学习的功能和图像注册的关键点.
  • 基于变压器的图像特征匹配,用于强大的马赛克.
  • 使用计算功能进行阻塞恢复和摄像头跟踪损失缓解.

主要成果:

  • 与最先进的方法相比,该框架在10个活体TTTS视频中,在7个视频中实现了优异的性能 ([公式:见文本]).
  • 在阻塞恢复方面表现出高的成功率 ([公式:参见文本]).
  • 成功计算了胎盘全景图,并从跟踪损失中恢复.

结论:

  • 拟议的基于学习的框架为TTTS手术提供了强大的胎盘马赛克和闭塞恢复.
  • 它提供了显著的视野扩展,这对于外科导航至关重要.
  • 这项技术有可能推进胎儿干预手术导航系统的发展.