脉搏传感器是什么 脉搏传感器的应用

Release time:2023-09-27
author:AMEYA360
source:网络
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  脉搏波是心脏发送血液时产生的血管的体积变化波形,监测该体积变化的检测器称为脉搏传感器。首先,测量心率有四种方法,心电图、光电脉波法、血压测量法、心音描记法等。其中的光电脉波法是使用脉搏传感器进行测量的方法。

脉搏传感器是什么  脉搏传感器的应用

  由于测量方法的不同,光电脉波法的脉搏传感器有透过型和反射型。

  透过型通过向体表照射红外线或红光,测量随着心脏的脉动而变化的血流量的变化,作为透过身体的光的变化量来测量脉搏波。

  该方法限于测量易于穿透的部分,例如指尖和耳垂。

  一、脉搏传感器的应用

  通常,通过观察以下两点可以测量动脉血氧饱和度(SpO2)。通过脉搏传感器获得的波形的变动周期,观察心率(脉率);通过使用红外线和红光两个波长,来观察脉动(变化量)。

  此外,作为脉搏传感器的应用,期望通过高速采样和高精度测量来获取诸如HRV分析(压力水平)、血管年龄等各种生命体征。

脉搏传感器是什么  脉搏传感器的应用

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