HIFU治疗热场中的有限元分析  

Finite Element Anaysis of Thermal Field Due to HIFU Treatment

作　　者：陈琦[1] 白景峰[1] 陈亚珠[1] 

机构地区：[1]上海交通大学生物医学仪器研究所,上海20030

出　　处：《北京生物医学工程》2003年第2期121-123,共3页Beijing Biomedical Engineering

摘　　要：本文对生物传热机制及生物热传导方程进行了研究 ,提出了一个混合型的生物热传导模型。针对带有血管的组织建立了高强度聚焦超声治疗下的组织热传导计算模型 ,并利用有限元方法进行了 3 D瞬态温度场分析。同时 ,根据Sapareto Dewey方法给出了组织消融量的仿真结果。In this paper a hybrid bioheat conduction model is provided by means of a study of bioheat conduction mechanism and equations.Focusing on the tissue with blood vessels,a bioheat conduction computation model has been developed for conditions of treatment with ultrasound highly focused.By using the finite element method the 3 D transient temperature field was analyzed.At the same time,simulation results of the tissue lesion volume according to Sapareto Deway method were given.

关 键 词：HIFU 治疗 热场 有限元分析 生物传热 生物热传导 高强度聚焦超声 

分 类 号：Q65[生物学—生物物理学]