田大军,张子明,苏文娟,吴岩

摘 要：基于MSP430心肺听诊技能训练系统针对现代医学模拟教学的发展，改变过去用射频和特制听诊器来模仿心肺听诊过程，在操作上更逼真临床真实环境。以低功耗的MSP430为核心，并在模型人上安装27个专用设备来模拟人体的共118种心肺听诊的疾病声音。另外还可以用遥控器设置模型人的疾病类型，通过听诊器来识别模型人位置点发出的声音来辨别疾病。再现临床医学的工作场景，为学习者提供一个无风险的学习临床知识和技能的条件与环境。此外还添加了上位机教学系统，上位机根据收到的位置信号来控制上位机软件界面的显示，可以显示听诊的位置、声音特点、与呼吸的关系以及声音的波形信息，还可以外接扬声器放大播放所听到的心肺声音，达到医学教学的目的。

关键词：MSP430； 心肺听诊； 上位机软件; 医学教学

中图分类号：TN87-34

文献标识码：A

文章编号：1004-373X(2011)09-0176-03

Design of MSP430-based Heart and Lung Auscultation Skills Training System

TIAN Da-jun,ZHANG Zi-ming,SU Wen-juan,WU Yan

(College of Electronic Information and Control Engineering,Beijing University of Technology,Beijing 100124,China)

Abstract： The single chip MSP430 with low power assumption was used in the system as the core processor. For the development of modern medical simulated training,the way to mimic the process of heart and lung auscultation by using radio frequency method and special stethoscopes was changed,and it became more realistic in the operation of the real clinical environment. 27 special equipment were installed in the system to simulate the heart and lung auscultation of 118 kinds of diseases. Also the type of diseases of the human model could be set through remote control,and people could listen to the sound of the special points on the model through the stethoscope to identify the type of diseases. The reproduction of clinical scenarios for learners could provide a risk-free learning environment of the clinical knowledge and skills. A host computer teaching system was added,in which the display of PC software interface was controlled according to the received signal from the specified points on the human model. The location of auscultation,the sound characteristics,the relationship with breath,and the sound waveform information could be displayed on the screen. The sounds of heart and lung could be played by the loudspeakers to achieve the purpose of medical education.

Keywords： MSP430; cardiopulmonary auscultation; PC software; medicine teaching

0 引 言

近年来基于医疗的严峻现状，医学院的教学性能不断削弱；医院对医生的要求又不断提高，学校教育与医院要求出现脱节。社会的发展，医疗体制的改革，媒体的宣传，民众的法律意识大大加强，一系列医疗法规的出台，进一步明确了病人的各项权益。病人，这一以往传统医学教学的主体更多的选择拒绝配合教学工作。而近年来医疗纠纷的增多与医患关系的紧张，出于自身利益的考虑，医院的教学性能不断削弱。医学院校在临床医学教育中的常规模式是：理论教学+单项技能训练——见习——临床实习。……