Numerical analysis of temperature rise in tissue using ultrasound

被引：8

作者：

Saito, Y ^{[1
]}

Ishizeki, T ^{[1
]}

Tsuchiya, T ^{[1
]}

Endoh, N ^{[1
]}

机构：

[1] Kanagawa Univ, Dept Elect Elect & Informat Engn, High Tech Res Ctr, Yokohama, Kanagawa 2218686, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2005年 / 44卷 / 6B期

关键词：

FDTD method; HCE method; temperature rise; ultrasonic absorption; tissue;

D O I：

10.1143/JJAP.44.4600

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In order to avoid burns from ultrasonic radiation, it is important to accurately predict the temperature rise caused by the absorption of ultrasonic radiation in tissue. We describe a preliminary study on the simulation of the temperature rise distribution when the thermal diffusivity is changed. The sound pressure distribution is calculated by the finite difference time domain (FDTD) method, and the thermal conduction distribution in tissue is calculated by the heat conduction equation (HCE) method. Because the boundary condition affects the calculation results, the measured experimental temperature is used for calculations.

引用

页码：4600 / 4601

页数：2

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