在射频电外科手术期间,活组织的热传导
Junren Ran1, Hamza El-Kebir2, Yongseok Lee1
1Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA.
Journal of the Royal Society, Interface
|January 16, 2024
概括
这项研究介绍了一种用于高温应用的先进电外科模型. 这种新的方法提高了精度,并减少了射频电外科手术程序的计算时间.
科学领域:
- 生物医学工程 生物医学工程
- 热建模 热建模 热建模
- 手术技术 手术技术
背景情况:
- 射频电外科手术是一种关键的手术工具.
- 准确的热建模对于预测组织反应和优化能量传递至关重要.
- 现有的模型在某些程序中遇到的更高温度时可能缺乏准确性.
研究的目的:
- 开发和验证射频电外科手术的新型模型.
- 为了准确地捕捉高温下的热现象.
- 提高电外科建模和参数估计的效率.
主要方法:
- 提出了一个非利埃麦克斯韦尔-卡塔内奥型模型.
- 集成了一个Arrhenius类型的模型,用于反应动力学和能量消耗.
- 利用来自猪肝试验的实验数据进行参数估计.
主要成果:
- 组合的非里埃和阿雷尼乌斯模型准确地代表了高温电术现象.
- 对猪肝的实验验证证证了模型的适用性.
- 与现有方法相比,拟议的模型显示了更高的准确性.
结论:
- 开发的模型提供了一个更精确的方法来模拟射频电外科手术.
- 这一进步可以带来更好的外科手术结果和缩短手术时间.
- 该模型为进一步优化电外科设备和技术提供了基础.
更多相关视频
06:25Cooling or Warming the Esophagus to Reduce Esophageal Injury During Left Atrial Ablation in the Treatment of Atrial Fibrillation
Published on: March 15, 2020
9.7K
10:51Protocols for Assessing Radiofrequency Interactions with Gold Nanoparticles and Biological Systems for Non-invasive Hyperthermia Cancer Therapy
Published on: August 28, 2013
10.8K
相关概念视频
01:14Mechanisms of Heat Transfer I
4.3K
Just as interesting as the effects of heat transfer on a system are the methods by which the heat transfer occur. Whenever there is a temperature difference, heat transfer occurs. It may occur rapidly, such as through a cooking pan, or slowly, such as through the walls of a picnic ice box. So many processes involve heat transfer that it is hard to imagine a situation where no heat transfer occurs. Yet, every heat transfer takes place by only three methods: conduction, convection, and radiation.
4.3K
01:20Mechanisms of Heat Transfer II
3.3K
In convection, thermal energy is carried by the large-scale flow of matter. Ocean currents and large-scale atmospheric circulation, which result from the buoyancy of warm air and water, transfer hot air from the tropics toward the poles and cold air from the poles toward the tropics. The Earth’s rotation interacts with those flows, causing the observed eastward flow of air in the temperate zones. Convection dominates heat transfer by air, and the amount of available space for the airflow...
3.3K