北京生物医学工程

基于Blackfin_DSP的便携式妊娠高血压综合征监测仪的研制

Development of a portable monitoring system for pregnancy-induced hypertension based on Blackfin DSP

作者：张魁星张松

单位：山东中医药大学（济南 250355）

分类号：

出版年·卷·期（页码）：2012·31·3（298-301）

摘要：

目的为实现应用血流动力学参数动态预测妊娠高血压综合征(pregnancy-induced hypertension, PIH)，并提高预测的准确率，研制了一种便携式妊娠高血压综合征监测系统。方法根据血流动力学预测妊娠高血压综合征的原理，结合脉搏波法检测血流动力学参数的关键技术要求，以ADSP-BF531处理器为控制核心，利用压力传感器提取孕妇脉搏波信号，通过对波形的分析，提取有关的血流动力学参数。结果实现了对孕妇血流参数的实时检测与显示，为妊娠高血压综合征的及时诊断提供有效信息。结论该系统体积小，无创，操作简单方便，不仅适用于临床，更适合社区及家庭使用。

Objective To predict pregnancy-induced hypertension (PIH) dynamically by using hemodynamic parameters and improve the accuracy of forecasts, we develop a portable monitoring system for PIH. Methods According to the principles of hemodynamics predicting PIH and the key technical requirement for pulse wave velocity detecting hemodynamic parameters, we design a system which is based on ADSP-BF531 processor, picks-up pulse wave by a pressure transducer and extracts relevant parameters after the analysis of the pulse wave signals. Results The system may detect the hemodynamic parameters in real-time and provide valid information for the PIH diagnosis in time. Conclusions The system is characterized as small size, non-invasive and easy to be operated, which may be used in hospitals, communities and families.

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