智能臂带式多生理参数监测设备的研制  

Development of intelligent arm band-type multi physiological parameter monitoring device

作　　者：于晓华 王国静[1,2] 刘洪运 王卫东[1,2] YU Xiao-hua;WANG Guo-jing;LIU Hong-yun;WANG Wei-dong(Medical Innovation Research Division,Chinese PLA General Hospital,Beijing 100853,China;Key Laboratory of Biomedical Engineering and Translational Medicine,Ministry of Industry and Information Technology,Beijing 100853,China)

机构地区：[1]解放军总医院医学创新研究部,北京100853 [2]工业和信息化部生物医学工程与转化医学重点实验室,北京100853

出　　处：《医疗卫生装备》2024年第5期34-42,共9页Chinese Medical Equipment Journal

摘　　要：目的:为更全面地获取人体的基本体征参数,研制一种可实时采集心电、血氧饱和度、血压、体温、体位/体动信号的智能臂带式多生理参数监测设备。方法:该监测设备硬件主要由主控模块、传感器采集模块、蓝牙通信模块、数据显示存储模块、外围控制模块组成,其中主控模块采用STM32L452单片机,传感器采集模块包括心电和体温模块、加速度模块、血氧模块和压力模块,外围控制模块主要包括按键控制模块和电源管理模块;软件包括下位机软件和上位机软件,其中下位机软件借助嵌入式开发平台Keil MDK以C语言进行编写,上位机软件基于LabVIEW平台进行开发。为验证该监测设备的功能和性能,对该监测设备无线传输和数据存储的稳定性及各生理参数和信号的采集功能进行测试。结果:测试结果表明,该监测设备可满足对传输可靠性和低功耗的需求,便携性和可穿戴性较好;体温、心率、血氧饱和度、收缩压、舒张压测量误差绝对值的最大值分别为0.08℃、2次/min、1%、4 mmHg(1 mmHg=133.32 Pa)、5 mmHg,具有较高的准确率。结论:该设备体积小、质量轻、功耗低,可实现对多种生理信号的监测,且能满足监测设备可穿戴性的需求。Objective To design an intelligent arm band-type multi physiological parameter monitoring device to collect vital sign signals at real time such as ECG,oxygen saturation,blood pressure,body temperature and position/motion.Methods The monitoring device had its hardware components composed of a main control module,sensor acquisition modules,a Bluetooth communication module,a data display and storage module and peripheral control modules.A STM32L452 SCM was used as the main control module,the sensor acquisition modules included an ECG and body temperature module,an acceleration module,a blood oxygen module and a blood pressure module,and the peripheral control modules were comprised of a key control module and a power management module.The software components consisted of a piece of lower computer software and a piece of upper computer software.The lower computer software was written in C language with Keil MDK embedded development platform,and the upper computer software was developed based on LabVIEW platform.The monitoring device developed was tested for stability in wireless transmission and data storage and performance in vital sign signal acquisition so as to verify its functions and performance.Results The test results showed the monitoring device gained advantages in transmission reliability,low power consumption,portability and wearability;the monitoring device proved to have high accuracies with the absolute values of the measurement errors of temperature,heart rate,oxygen saturation,systolic blood pressure and diastolic blood pressure being 0.08℃,2 times/min,1%,4 mmHg(1 mmHg=133.32 Pa)and 5 mmHg,respectively.Conclusion The monitoring device behaves well in low size,weight and power consumption,which can be used for multi physiological signal monitoring and meet the requirements for wearability.

关 键 词：生理参数监测 臂带式设备 可穿戴设备 健康监护 健康状态评估 

分 类 号：R318.6[医药卫生—生物医学工程] TH772[医药卫生—基础医学]