激光照射猪肝组织的温度场研究

摘要

The dynamic properties of temperature spatial distribution during laser induced porcine liver tissue thermal conduction process was studied. By the method of finite element analysis and distribution formula of laser, the temperature distribution simulation results were obtained, and the temperature of surface and internal porcine liver tissue was measured by using K-type thermocouple and thermocouple amplifiers, the measurement results and the simulation results are consistent, and the variational relationship between the blood perfusion and the temperature of porcine liver tissue was obtained. This research has some significance in the choice of laser therapy parameters during laser medicine application.%研究了激光照射下猪肝组织传热过程温度场空间分布的动态规律.采用有限元分析法,利用激光分布公式获得猪肝组织的温度场空间分布,并采用K型热电偶和热电偶放大器来测量猪肝组织表面和内部温度,实验测量结果和模拟结果基本吻合,同时得出血液灌注率和猪肝组织温度的关系.研究结果对于激光临床应用中激光参数的合理选择有一定的指导意义.