Theoretical temperature distributions for solenoidal-type hyperthermia systems.
Theoretical temperature distributions for solenoidal-type hyperthermia systems.
复制标题
螺线管型热疗系统的理论温度分布。
DOI：
10.1118/1.595128
复制
发表时间：
1982
期刊：
影响因子：
3.8
通讯作者：
Strohbehn,JW
中科院分区：
文献类型：
--
作者：
Strohbehn,JW
提出用于产生用于深层肿瘤的癌症治疗的热疗的一种类型的系统由圆柱形导电线圈（螺线管）组成，患者（或患者的肢体）被放置在该圆柱形导电线圈中。导电线圈中的电流在患者体内产生交变磁场，其在组织中感应涡电流。涡电流存款功率并因此产生加热。在本文中，稳态温度曲线的计算分析，假设一个均匀的一维模型，其中包括血液灌注。数值方法被用来计算作为时间的函数的温度分布的均匀模型，并计算温度曲线时，有径向变化的组织参数，包括血流。基于这些计算机模拟，在大多数情况下，螺线管型热疗系统似乎无法在腹部或胸部提供深层加热，但应该能够将温度升高到治疗水平，达到腹部和胸部肌肉层约6 cm的深度。
One type of system proposed for producing hyperthermia for cancer therapy of deep‐seated tumors consists of a cylindrical conducting coil (solenoid) in which the patient (or a limb of the patient) is placed. The current in the conducting coil creates an alternating magnetic field inside the patient, which induces eddy currents in the tissue. The eddy currents deposit power and hence produce heating. In this paper, steady‐state temperature profiles are calculated analytically, assuming a homogeneous one‐dimensional model which includes blood perfusion. Numerical methods are used to calculate the temperature distributions as a function of time for this homogeneous model and to calculate the temperature profiles when there are radial variations in tissue parameters including blood flow. Based on these computer simulations, it would appear that in most cases a solenoid‐type hyperthermia system will not be able to provide deep‐seated heating in the abdomen or thorax, but should be able to raise temperatures to therapeutic levels to about 6 cm depth in the abdomen and in the muscle layer in the thorax.