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相关概念视频

Ultrasonography01:17

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called a...

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相关实验视频

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High-resolution Fiber-optic Microendoscopy for in situ Cellular Imaging
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坚固的高分辨率精细OCT针用于侧向视图间歇性组织成像.

Yicong Wu1, Jiefeng Xi1, Li Huo1

  • 1Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD 21205 USA.

IEEE journal of selected topics in quantum electronics : a publication of the IEEE Lasers and Electro-optics Society
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PubMed
概括

新的光学连贯断层扫描 (OCT) 成像针改善了活检程序. 这些精细的OCT针提供了增强的光学和机械性能,用于最少的侵入性间歇性成像和图像导向活检.

关键词:
阿斯蒂格马蒂斯主义 (Astigmatism) 是一种开拓国家和地区的针头.活检针 活检针的使用方法间歇性成像 - - 间歇性成像光学连贯性断层扫描 (OCT)

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科学领域:

  • 生物医学工程 生物医学工程
  • 医疗成像医学成像
  • 光学工程是指光学工程.

背景情况:

  • 标准的活检针缺乏实时成像能力.
  • 将成像技术整合到活检工具中对于微创手术至关重要.
  • 以前的OCT针设计面临着光学质量和强度的挑战.

研究的目的:

  • 开发与标准活检针集成的精细光学连贯性断层扫描 (OCT) 成像针.
  • 为了提高OCT成像针的光学质量和机械强度.
  • 为了实现实时,横截面成像用于图像导向活检.

主要方法:

  • 开发了一种新的光学设计,将光纤透镜和微反射器包装在微玻璃管中.
  • 从玻璃管中最小化圆柱状镜头效应.
  • 集成微型成像针与1300nm扫描源OCT系统进行ex vivo组织成像.

主要成果:

  • 实现了OCT成像针的改善机械和光学性能.
  • 证明了各种体外组织样本的实时横截面CT成像的成功.
  • 新设计简化了针组装过程.

结论:

  • 开发的微型OCT成像针显示了对最小侵入性间歇性成像的巨大潜力.
  • 这项技术可以增强图像引导的活检程序.
  • 进一步开发可能会提高诊断准确度和患者的治疗结果.