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相关概念视频

Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

Endoscopic Studies I: Bronchoscopy and Thoracoscopy

Endoscopy is a non-surgical medical technique used to examine a person's internal organs and vessels. This lesson will focus on two types of endoscopic studies: bronchoscopy and thoracoscopy.
Bronchoscopy
Description
Bronchoscopy is a procedure that involves direct visualization of the larynx, trachea, and bronchi for diagnostic and therapeutic purposes. A flexible fiber optic or rigid bronchoscope is used to carry out the procedure. The fiber-optic bronchoscope is more frequently used due to...
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and solid...
Methods for Studying Drug Absorption: In situ01:09

Methods for Studying Drug Absorption: In situ

In situ experiments, such as the Doluisio method and Single-Pass Perfusion technique, provide critical insights into drug uptake by simulating in vivo conditions for drug absorption.
The Doluisio method involves perfusing a prepared segment of a rat's small intestine with a solution of radiolabeled drug and a non-absorbable marker. This helps to differentiate between absorbed and non-absorbed drug concentrations. The intestinal segment is connected at both ends using tubing and syringes,...
Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

Imaging Studies I: Kidney, Ureter, and Bladder Studies

Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...

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相关实验视频

Updated: May 10, 2026

Application of Deep Learning-Based Medical Image Segmentation via Orbital Computed Tomography
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基于深度学习的多层次细粒度集成用于手术场景的理解:实验研究

Guangdi Chu1, Yuan Gao2,3, Wei Jiao1,4

  • 1Department of Urology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China.

International journal of surgery (London, England)
|September 3, 2025
PubMed
概括

研究人员创建了一个详细的数据集和人工智能框架用于腹腔镜激进切除术,改善了手术理解,并使得更好的出血预测和自动报告成为可能.

关键词:
人工智能深度学习完全颗粒性的腹腔镜检查根源性切除术

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科学领域:

  • 在手术中使用计算机视觉
  • 医学中的人工智能
  • 手术数据科学

背景情况:

  • 计算机理解手术场景对于智能手术辅助至关重要.
  • 手术现场信息包括整体过程 (粗粒度) 和特定操作 (细粒度) 数据.
  • 需要标准化数据集和先进的人工智能来支持临床应用.

研究的目的:

  • 构建一个标准化的,全粒度的注释数据集用于腹腔镜彻底切除术.
  • 开发一个深度学习框架,以整合多层次的细节信息.
  • 通过增强手术场景理解来支持临床智能应用.

主要方法:

  • 收集了41个多中心视频并进行了全面的注释 (阶段,步骤,仪器细分,手术三重).
  • 设计了一个轻量级的深度学习框架,
  • 开发了一个手术内出血预测模型和一个自动化术后总结报告.

主要成果:

  • 数据集包含141,443个带有阶段/步骤注释的,8,435个带有仪器细分,和25,305个带有手术三重.
  • 深度学习框架在各种细分化任务中表现优于最先进的算法.
  • 涉及动脉,静脉和尿管的关键手术步骤被确定为出血风险的关键预测因素.

结论:

  • 开发了第一个完全注释的腹腔镜彻底切除术数据集.
  • 创建了一个双向增强粗细粒度外科信息的新框架.
  • 通过数据算法应用循环为推进智能手术奠定了基础.