Handheld leukocyte counter and leukocyte counting method

Abstract

The invention discloses a handheld leukocyte counter and a leukocyte counting method. The handheld leukocyte counter comprises a handheld shell, a photoelectric detection module, a main control unit,a man-machine interaction module, a detection card cabin door, a bracket, a detection card and the like, wherein the photoelectric detection module, the main control unit, the man-machine interactionmodule, the detection card cabin door, the bracket, the detection card and the like are assembled together, and the detection card is of a slit micro-fluidic chip structure and counts leukocytes according to the fluorescence excitation principle. The counter is small in size, light in weight and convenient to carry and place; the counting method can avoid interference of impurities; counting is accurate, precision is high, detection operation is easy, detection efficiency is high, and the counter is particularly suitable for leukocyte detection in primary medical treatment, mobile medical treatment and emergency rescue medical diagnosis in special environments.

Description

technical field [0001] The invention relates to the technical field of blood analysis and detection, in particular to a hand-held white blood cell counting instrument and a white blood cell counting method. Background technique [0002] There are three types of blood cells in the human body: white blood cells, red blood cells, and platelets. White blood cells take on many important tasks in the human body. They can swallow foreign bodies and produce antibodies, heal the body's damage, resist the invasion of pathogens, and develop immune resistance to diseases. Under normal circumstances, the total number of white blood cells in the human body is relatively stable, but inflammation or other diseases will cause changes in the number of white blood cells, which are often manifested by significant changes in the number of white blood cells. In other words, inflammation or other diseases in the body can cause changes in the total number of white blood cells, so the change in val...

AI Technical Summary

Problems solved by technology

However, the hemolysis counting method adopted by HemoCue has the following disadvantages: first, the method uses the transmission absorption method, which is easily interfered by impurities; second, the detection time window is short, and the detection must be strictly controlled within 2-10 minutes, and the red blood cell lysis is too short Incomplete, some white blood cells will be dissolved if the time is too long

The above shortcomings lead to low detection accuracy of the method

[0009] The above methods are all common white blood cell counting methods, but they are not suitable for primary medical care, mobile medical care, and emergency rescue medical diagnosis in special environments due to the professional requirements for operators, equipment volume, price, and maintenance during use. There are great limitations in the application process

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