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两层动态血液幻影用于评估NIRS设备的准确性.

E Russomanno1,2, X Yang2, H Zohdi1,3

  • 1Biomedical Optics Research Laboratory (BORL), Department of Neonatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland.

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|December 10, 2025
PubMed
概括
此摘要是机器生成的。

开发了一种新的多层幻影,以模仿人类头部用于近红外光谱 (NIRS) 设备验证. 该工具有助于评估NIRS设备的深度灵敏度,并指导未来的开发.

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科学领域:

  • 生物医学光学 生物医学光学
  • 医疗设备工程 医疗设备工程

背景情况:

  • 近红外光谱 (NIRS) 对于氧化和血液动力学的非侵入性监测至关重要.
  • 对NIRS设备的准确验证依赖于复制人类组织光学特性的幻影.

研究的目的:

  • 为了开发一个模拟人类头部多层解剖学的多层血脂幻影.
  • 使用开发的幻影来评估不同NIRS设备的深度灵敏度.

主要方法:

  • 构建了一个带有两个可调节的液体层 (大脑,表面组织) 和两个固定的固体层的幻影.
  • 模仿生物组织的光学特性和动态特性.
  • 在幻影上测试了INVOS 7100和Masimo O3 NIRS设备.

主要成果:

  • 幻影区分了NIRS设备在表面层影响方面的性能.
  • 与INVOS 7100 (RMSE ~35%) 相比,Masimo O3对表面变化的影响较小 (RMSE ~50%).
  • 这表明Masimo O3设备具有更高的深度灵敏度.

结论:

  • 开发的多层幻影是NIRS设备评估的宝贵工具.
  • 它有助于评估和改进NIRS技术的深度灵敏度.
  • 幻影可以指导临床应用的NIRS设备的开发和改进.