智能化的非侵入性临时心脏起搏器的研究  

Elemental Research on Intelligent Non-Invasive Temporary Pacemakers

作　　者：聂邦畿[1] 徐泷[1] 辛学刚[1] 王承来[1] 吴敏珊[1] 

机构地区：[1]中山大学生物医学工程系,广东广州510089

出　　处：《中国医疗器械杂志》2005年第1期5-6,共2页Chinese Journal of Medical Instrumentation

摘　　要：介绍非侵入性临时心脏起搏实验装置方面的一些研究工作。作者利用一块工控机主板、一些IC芯片和其他元件构成该实验装置的硬件,用C++语言编写它的软件。实验装置具有初步智能化的某些功能。它可以识别某些心律失常。本系统的软件包括主程序、RS-232C通信程序、打印模块VxD、起搏控制模块VxD、心电预处理程序和识别程序等。起搏产生电路采用精确控制起搏电流的设计方法设计。通过编写串口通信的动态链接库(DLL)实现工控机系统和心电模块之间的通信。为了提高识别率,心电信号经过滤波等实时处理。本系统计算若干心电参数,以便识别某些心律失常。本系统采用MIT／BIH心电数据库来验证心电识别的可靠性。Some research on intelligent non-invasive temporary pacemakers is introduced in this paper. An industrial computer, some IC chips and other elements are used to construct its hardware, and its software is in C++ language. The experimental device has some intelligent functions of recognizing some arrhythmia. The system has a pacemaker module and an ECG monitor module. Its software includes a main program, a RS-232C communication program, a printer VxD, a pacing control VxD and ECG signal pretreatment and recognizing program and so on. The pacing-generating circuit is employed to make the precision control of pacing current. The communication between industrial-computer system and ECG module is completed through the DLL. The real time processing of ECG signals is based on filter method for a higher recognizing ratio. The system calculates several parameters to recognize certain arrhythmia and uses MIT/BIH database to validate the reliability of ECG recognition.

关 键 词：智能化 非侵入性 心脏起搏器 心律失常 

分 类 号：R318.11[医药卫生—生物医学工程]