北京生物醫(yī)學(xué)工程

基于Blackfin_DSP的便攜式妊娠高血壓綜合征監(jiān)測(cè)儀的研制

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

作者：張魁星張松

單位：山東中醫(yī)藥大學(xué)（濟(jì)南 250355）

關(guān)鍵詞：妊娠高血壓綜合征；脈搏波；數(shù)字信號(hào)處理器；ADSP-BF531

分類(lèi)號(hào)：

出版年·卷·期（頁(yè)碼）：2012·31·3（298-301）

摘要：

目的為實(shí)現(xiàn)應(yīng)用血流動(dòng)力學(xué)參數(shù)動(dòng)態(tài)預(yù)測(cè)妊娠高血壓綜合征(pregnancy-induced hypertension, PIH)，并提高預(yù)測(cè)的準(zhǔn)確率，研制了一種便攜式妊娠高血壓綜合征監(jiān)測(cè)系統(tǒng)。方法根據(jù)血流動(dòng)力學(xué)預(yù)測(cè)妊娠高血壓綜合征的原理，結(jié)合脈搏波法檢測(cè)血流動(dòng)力學(xué)參數(shù)的關(guān)鍵技術(shù)要求，以ADSP-BF531處理器為控制核心，利用壓力傳感器提取孕婦脈搏波信號(hào)，通過(guò)對(duì)波形的分析，提取有關(guān)的血流動(dòng)力學(xué)參數(shù)。結(jié)果實(shí)現(xiàn)了對(duì)孕婦血流參數(shù)的實(shí)時(shí)檢測(cè)與顯示，為妊娠高血壓綜合征的及時(shí)診斷提供有效信息。結(jié)論該系統(tǒng)體積小，無(wú)創(chuàng)，操作簡(jiǎn)單方便，不僅適用于臨床，更適合社區(qū)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.

參考文獻(xiàn)：

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