气体压力传感器测量血压与心率的设计性实验

The Designed Experiment of How to Survey the Blood Pressure and the Heart Rate with the Gas Pressure Sensor

采用气体压力传感器及外接放大器研制了一种新型血压、心率与脉搏波波形测量仪,利用该测量仪、数字示波器和计算机,对人体血压、心率与脉搏波波形进行了智能化的实时测量,数据稳定可靠,测量结果准确。对气体压力传感器特性进行了测量,得到了其高线性度指标。新型血压、心率与脉搏波波形测量仪应用于医学物理实验,可引导学生掌握气体压力传感器特性与测量方法、运算放大器的使用及组装人体数字血压计和定标等实验技能。该实验测量误差小,教学内容丰富,可在高校物理实验中推广应用。

The gas pressure sensor and the external amplifier were used to develop a new measuring monitor to measure blood pressure,the heart rate and the pulse wave profile.By using monitor this,the digital oscilloscope and the computer we measured intellegeutly the human body blood pressure,the heart rate and the pulse wave profile in real tild.The data was steady and reliable.The results were accurate.The gas pressure sensor characteristic high linearity target was reached.New kind of the blood pressure,the heart rate and the pulse wave profile measuring instrument can be applied in the medicale physics test,which may guide the students to obtain the experiment skills of gas pressure sensor characteristic and measuring technique,operational amplifier＇s use and digital sphygmomanometer＇s assemble and calibration and so on.This experimented measurement has less errors and rich in contents it may be used in the university physics tabs.