摘要
目的 针对采用高精度压力传感器技术的智能睡眠监测设备,提出一种心率与呼吸频率模拟装置。方法该装置由控制部分和模拟硅胶人偶组成。模拟硅胶人偶内部含有心跳模拟器和呼吸模拟气囊,可产生设定频率的心跳和呼吸组合压力信号。将模拟装置产生的压力信号的频率与已知准确性的智能睡眠监测设备的监测值进行对比,验证该装置产生的压力信号的频率准确性。采用秒表验证模拟装置的重复性和稳定性。结果 与已知准确性的智能睡眠监测设备的监测值相比,该装置产生的心率误差为±2次/分,呼吸频率误差为±2次/分。采用秒表验证可知,装置的稳定性和重复性优于±5%。结论 对于采用高精度压力传感器的智能睡眠监测设备,采用心率与呼吸频率模拟装置用于准确性测试切实可行。
Objective Invent a simulator which provides a simulation of heart rate and respiratory rate to the intelligent sleep monitoring devices based on precision pressure sensors.Methods The simulator was composed of control part and simulated silicone doll.The simulated silicone doll contains heartbeat simulator and breathing simulation airbag.Heartbeat and breathing combination pressure signal can be produced according to frequency set values.Frequencies of pressure signal of the simulator were compared with the monitoring results of intelligent sleep monitoring devices with known accuracy to verify the frequency accuracy of pressure signal of the simulator.Verified the repeatability and stability of the simulator with a stopwatch.Results The heart rate of the simulator was with in ±2 beats per minute of the monitoring results of intelligent sleep monitoring devices and the respiratory rate of the simulator was with in ±2 times per minute of the monitoring results.The repeatability and stability of the simulator was better than ±5% according to results with a stopwatch.Conclusion It's practicable to use the simulator which provides a simulation of heart rate and respiratory rate to the accuracy test of the intelligent sleep monitoring devices based on precision pressure sensor.
作者
付丽
蒋硕
田佳
谭菲菲
陈甜甜
张在爱
丁锡燕
张克
FU Li;JIANG Shuo;TIAN Jia;TAN Feifei;CHEN Tiantian;ZHANG Zaiai;DING Xiyan;ZHANG Ke(Shandong Institute of Medical Device and Pharmaceutical Packaging Inspection,Jinan,250101;NMPA Key Laboratory for Quality Evaluation of Medical Materials and Biological Protective Devices,Jinan,250101)
出处
《中国医疗器械杂志》
2023年第4期445-448,共4页
Chinese Journal of Medical Instrumentation
基金
山东省医疗器械和药品包装检验研究院内部科研项目(ZX202107)。
关键词
智能睡眠监测设备
压力传感器
心率与呼吸频率模拟装置
准确性
测试
the intelligent sleep monitoring devices
pressure sensors
heart rate and respiratory rate simulator
accuracy
test
