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本文根据脉搏血氧计的原理设计了一种新型测定血祥血氧饱和度(SaO_2)的光学传感器和小型仪器,这个系统具有尺寸小,重量轻和精度高的特点。实验结果表明,由此传感器所得到的血样中氧容量与临床使用的血气分析仪有很好的相关性(r=-0.972)。
According to the principle of pulse oximeter, a new type of optical sensor and small instrument for measuring blood oxygen saturation (SaO_2) is designed in this paper. This system has the characteristics of small size, light weight and high precision. The experimental results show that the oxygen content of the blood samples obtained by the sensor has a good correlation with the clinical blood gas analyzer (r = -0.972).