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Equipments Used to Measure Body Temperature01:13

Equipments Used to Measure Body Temperature

Body temperature can be assessed using various devices and measured in Celsius or Fahrenheit.
Glass-bulb Thermometer:
Glass-bulb thermometers are hollow glass tubes with a bulb tip containing liquid such as ethanol or mercury. Historically, glass bulb mercury thermometers were the standard device to measure body temperature. Today, mercury thermometers are prohibited in many countries due to the hazardous effects of mercury and the risk of exposure if the glass bulb breaks. In general,...

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Updated: Jun 11, 2026

Quantitative Visualization and Detection of Skin Cancer Using Dynamic Thermal Imaging
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模型预测过MR温度成像用于激光诱导间歇性热疗法.

Joshua Marchant1,2,3, Robert J Bollo4, Dennis L Parker1

  • 1Department of Radiology and Imaging Sciences, University of Utah, Salt Lake City, Utah, USA.

Magnetic resonance in medicine
|February 15, 2026
PubMed
概括

模型预测过 (MPF) 提高了激光间歇性热疗法 (LITT) 监测的磁共振温度成像 (MRTI) 时间分辨率. 这种方法准确地重建了幽灵和临床环境中的温度数据,改善了切除监测.

关键词:
加快收购的速度.激光间歇性热疗法是一种激光间歇性热疗法.磁共振成像技术的使用磁共振温度成像仪使用磁共振温度成像仪热建模的热建模

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相关实验视频

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科学领域:

  • 医疗成像医学成像
  • 生物医学工程 生物医学工程
  • 热疗法是一种热疗法.

背景情况:

  • 激光间歇性热疗法 (LITT) 需要精确的温度监测.
  • 当前的磁共振温度成像 (MRTI) 方法可能缺乏足够的时间分辨率.
  • 改善MRTI时间分辨率对于有效的LITT消除指导至关重要.

研究的目的:

  • 评估模型预测过 (MPF) 方法,以提高MRTI时间分辨率.
  • 评估MPF在监测LITT废除中的实用性.
  • 为了确定MPF是否可以在LITT.期间改善体积温度成像.

主要方法:

  • 开发了一个MPF方法,使用格林的函数方法和Pennes生物热方程.
  • 建模了LITT加热,并补充了亚样本的k空间数据.
  • 用幻象和临床LITT数据评估了MPF,通过热剂量和最热的声音分析来评估重建的准确性.

主要成果:

  • 在幻影数据中,MPF实现了高时间分辨率,具有良好的最热声精度和热剂量一致性 (DSC ≥ 0.7).
  • 在体内数据显示,对直角切片的热剂量一致性很好 (DSC>0.9).
  • MPF显示了高最热的voxel精度 (RMSE ≤1°C) 达到3的分样因子,保持精度高达5.

结论:

  • 该MPF算法使大视野体积温度成像,而不牺牲时间分辨率.
  • 在使用双平面临床数据的体内LITT监测中,MPF显示了良好的准确性.
  • 在LITT手术中,MPF是一种有前途的技术,可以改善LITT手术中的MRTI.