一种血液样本量测量仪器的设计
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摘要
目的为了临床上快速方便读取血液样本量,设计一种用于血液样本量测量的测量仪。方法此系统采用光纤透射法,光学斩波器将激光的连续光调制成固定频率的光信号,透射血液样本,同时输出参考信号至光信号处理装置。结果锁相放大器可实现对信号的检测和跟踪,输出正比于血液样本量的模拟信号。结论本测量仪实现自动化测量试管中的血液样本量并直接输入计算机储存作为后续使用,差错率低、操作方便且自动化程度高。
Objective In order to read blood sample volume quickly and conveniently in clinical application, a measuring instrument for blood sample volume measurement is designed. Methods This system adopted the optical ?ber transmission method, by which the continuous light of the laser was converted into the ?xed frequency optical signal using the optical chopper. The light signal transmitted the blood sample and output the reference signal to the optical signal processing device. Results The phase-locked ampli?er could realize the detection and tracking of the signal, and the output was proportional to the analog signal of the blood sample size. Conclusion This instrument can automatically measure the blood sample in the test tube and directly input it to the computer for storage for subsequent use, with low error rate, convenient operation and high degree of automation.
Objective In order to read blood sample volume quickly and conveniently in clinical application, a measuring instrument for blood sample volume measurement is designed. Methods This system adopted the optical ?ber transmission method, by which the continuous light of the laser was converted into the ?xed frequency optical signal using the optical chopper. The light signal transmitted the blood sample and output the reference signal to the optical signal processing device. Results The phase-locked ampli?er could realize the detection and tracking of the signal, and the output was proportional to the analog signal of the blood sample size. Conclusion This instrument can automatically measure the blood sample in the test tube and directly input it to the computer for storage for subsequent use, with low error rate, convenient operation and high degree of automation.
引文
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[2]Von Ahsen N,MullerC,Serke S,et al.Important role of nondiagnostic blood loss and blunted erythropoietic response in the anemiaof medical intensive care patients[J].Crit Care Med,1999,27(12):2630-2639.
[3]Astin R,Puthucheary Z.Anaemia secondary to critical illness:an unexplained phenomenon[J].Extrem Physiol Med,2014,3(1):4.
[4]辛玥,郑荣秀.早产儿贫血相关病因分析及其治疗焦点问题探讨[J].武警后勤学院学报,2016,25(3):244-246.
[5]马文旭,李秀岩,程志勇.早产儿贫血相关因素分析[J].医学检验,2013,12(99):161-163.
[6]顾希,韩玉珠,杨小红.一种血液样本量测量仪器:中国,ZL 20172 0805926.7[P].2018-05-01.
[7]李勇.数字信号处理原理与应用[M].西安:西北工业大学出版社,2016:27-190.
[8]姚启钧.光学教程[M].北京:高等教育出版社,2014:78-79.
[9]河合一,彭刚,范华婵.活学活用A/D转换器[M].北京:科学出版社,2015:1-178.
[10]陈海宴.51单片机原理及应用:基于Keil C与Proteus[M].2版.北京:北京航空航天大学出版社,2013:30-300.
[11]李玉梅.基于MCS-51系列单片机原理的应用设计[M].北京:国防工业出版社,2006,50-318.
[12]张金敏,董海棠,高博,等.单片机原理与应用系统设计[M].成都:西南交通大学出版社,2010:4-246.
[13]卢一鑫,杨璐娜.光纤传感器的应用现状及未来发展趋势[J]科技信息,2011,3:113-114.
[14]肖韶荣,冒晓莉.基于光纤的能见度测量方法[J].光学精密工程,2006,14(5):802-806.
[15]张占波,闫东波,刘焕彬.光散射透射法在线测量白水浓度[J]造纸科技与技术,2004,23(6):93-94.