血液细菌培养仪光学校准方法研究

Study on Optical Calibration Method of Blood Bacteria Culture Apparatus

基于荧光法、比例显色法、pH值变色法原理的血液细菌培养仪均需要依靠光学检测进行阳性或阴性结果的判读,血液细菌培养仪光学系统的稳定性和均匀性会影响最终血培养结果的判定。本文结合血液细菌培养仪的原理和特性,对光学检测传感器布点、采样间隔、校准方法进行了研究,能够为血液细菌培养仪的质量控制提供计量支撑。

The blood bacteria culture apparatus based on the principles of fluorescence method,proportional color method,pH value color change method all need to rely on optical detection to interpret the positive or negative results.The stability and uniformity of the optical system of the blood bacteria culture apparatus will affect the final blood culture results.In this paper,combining with the principle and characteristics of blood bacteria culture instrument,the optical detection sensor location,sampling interval and calibration method are studied,which can provide measurement support for the quality control of blood bacteria culture apparatus.