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相关实验视频

Updated: Jun 10, 2025

Fabrication and Characterization of Optical Tissue Phantoms Containing Macrostructure
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Fabrication and Characterization of Optical Tissue Phantoms Containing Macrostructure

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制造可调节组织模拟幻影用于光学方法.

Tong Li1, Aldo Di Costanzo Mata2, Alexander Kalyanov2

  • 1Biomedical Optics Research Laboratory (BORL), Department of Neonatology, University of Zurich and University Hospital Zurich, Zürich, Switzerland. tong.li@usz.ch.

Advances in experimental medicine and biology
|October 14, 2024
PubMed
概括

这项研究为近红外成像设备引入了一种新的动态幻影. 该系统精确地模仿复杂的人体组织结构和光学特性,使光学技术能够更好地验证.

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科学领域:

  • 生物医学光学 生物医学光学
  • 医学成像技术 医学成像技术
  • 光学幻影 幻影的光学幻影

背景情况:

  • 模仿组织的光学幻影对于校准近红外光谱 (NIRS) 和断层扫描 (NIROT) 设备至关重要.
  • 现有的幻影通常缺乏人类组织的复杂结构和动态光学特性.

研究的目的:

  • 设计,制造和描述一种用于测试近红外成像设备的新型幻影系统.
  • 创建一个具有任意内部形状和不断变化的光学特性的幻影.

主要方法:

  • 使用嵌入聚乙烯醇 (PVA) 结构的制品开发了一个动态幻影平台.
  • 通过溶解PVA来创建内部空心形状,并通过注入液体溶液来调整光学性能.
  • 使用频域近红外光谱学 (FD NIRS) 和时间域近红外光学断层扫描 (TD NIROT) 评估了幻影.

主要成果:

  • 成功创建了一个具有复杂内部结构和可调节光学特性的动态幻影系统.
  • FD NIRS检测到幻影中光强度的变化.
  • TD NIROT准确地重建了幻影的内部结构.

结论:

  • 开发的幻影系统有效地模仿动态的人体组织特性.
关键词:
动态幻象 动态幻象近红外光谱学近红外光谱学近红外断层扫描近红外断层扫描光学器件是指光学设备.视觉幻象 视觉幻象是指光学幻象.

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  • 这种新型幻影是验证和改进近红外成像技术的宝贵工具.