基于ARM内核的嵌入式肿瘤热疗系统

采用基于ARM内核的嵌入式系统开发小型超声热疗仪是肿瘤热疗系统开发领域中应用嵌入式技术的一个全新尝试，实现了上、下位机一体化设计。嵌入式肿瘤热疗系统包括组织温度采集与转换系统、超声功率控制信号发生模块、存储管理系统、人机交互系统（包括液晶显示及键盘输入）以及其他基本功能模块。根据热疗实际需要对PID控制算法进行改进与优化，提高了治疗中肿瘤组织温度的控制品质。实验结果表明，系统设计可靠，满足临床肿瘤热疗要求。

Ultrasound Hyperthermia System Based on Embeded System with ARM Kernel

Development of small-scale ultrasound hyperthermia instrument based on ARM kernel embedded system is presented,which is a brand-new trial of using advanced embedded technique in the field of tumor hyperthermia system studies.The conventional master and slave machines of the instrument are integrated into a whole using embedded components.The embedded hyperthermia instrument consists of inner-tissue temperature acquisition and conversion system, ultrasound power controlling signal generation module,memory controller,human-machine intercommunication system(including LCD display and keyboard input) and other basic function modules.The PID algorithm is improved and optimized according to the practical requirements and the inner tumor temperature control quality is enhanced.Experimental results prove that the design is reliable and the instrument is competent for clinical management of cancer or benign diseases.