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介绍了将脑电图机改制成兼心、肺阻抗血流图记录仪的技术要求和使用方法。由于将原机时间常数1S 档改制成2S 档,保留原机时间常数0.1、0.3S 档,因此既不妨碍单独记录脑电图的原有工作效能,又能同步记录阻抗容积图、微分图、心音、心电和呼吸等生理信号,扩大了该机使用功能。本机与 SJ—42型多道生理记录仪同时对53例健康人,测试心、肺阻抗血流图各指标,证明两台仪器所得的相应指标值具有较好的相关性。
The technical requirements and methods for converting the EEG machine into a concentric and pulmonary impedance blood flow recorder were introduced. As the original machine time constant 1S file into 2S files, retaining the original machine time constant 0.1,0.3S file, so neither hinder the separate record EEG original working efficiency, but also the simultaneous recording of impedance volumetric plot, differential plot, Heart sound, ECG and respiratory and other physiological signals, expanding the use of the machine function. The machine and SJ-42-type multi-channel physiological recorder at the same time on 53 healthy people, heart, lung impedance blood flow charts of various indicators that the two instruments obtained corresponding index values have a good correlation.