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Method of identifying blood stratification

A blood and plasma technology, applied in the field of blood recognition, can solve the problems of slow speed and inability to interpret, and achieve the effect of fast speed, improved recognition efficiency and accuracy

Pending Publication Date: 2019-06-21
盈开生物科技(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Existing blood layer recognition usually adopts laser scanning method or camera photography method. The former needs to move up and down mechanically, and the speed is relatively slow; the latter requires the sample tube to expose the photo window area when sticking the barcode, otherwise it cannot be interpreted

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  • Method of identifying blood stratification
  • Method of identifying blood stratification

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Embodiment Construction

[0017] In order to make the content of the present invention easier to understand clearly, the technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0018] like Figure 1 to Figure 4 As shown, a method to identify blood stratification, DNA exists only in plasma, all DNA sequencing only needs to extract plasma, in existing automated tests, the volume of plasma is automatically determined, and the diameter of the sample tube is known , convert the height H1 at the air and plasma stratification, and the height H2 at the plasma and white blood cells to identify the blood stratification; the method for identifying the blood stratification includes the following steps:

[0019] (1) Choose an ultrasonic transducer array with a similar length to the sample tube and stick to the sample tube, send ultrasonic waves to propagate in the sample ...

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Abstract

The invention discloses a method for identifying blood stratification. The method is characterized by comprising the following steps: (1) selecting one ultrasonic transducer array with the length close to that of a sample tube to cling to the sample tube, exciting the ultrasonic transducer to emit ultrasonic waves to propagate in the sample tube, and collecting scattered sound signals through theultrasonic transducer array; (2) processing the scattered sound signals to obtain an acoustic tomography image of the sample tube and the content of the sample tube; and (3) the transmission attenuation coefficients and the transmission speeds of the ultrasonic waves differing in the air, the tube wall of the sample tube, the blood plasma, the white film and the red blood cell medium, and obtaining an acoustic image, and counting the lengths of a first section and a second section to calculate the H1 and the H2. The identification efficiency and accuracy can be improved.

Description

technical field [0001] The invention relates to the technical field of blood identification, in particular to a method for identifying blood stratification. Background technique [0002] Blood is composed of plasma white blood cells and blood cells. Due to the different densities of the three, after centrifugation, it will be divided into three layers. See figure 1 shown. [0003] Human DNA only exists in plasma, so all DNA sequencing only needs to extract plasma, and in automated tests, the volume of plasma needs to be automatically determined. Since the diameter of the tube is known, the problem can be converted to air and plasma. The height H1 at the layer and the height H2 at the plasma and leukocytes are determined. [0004] The existing blood stratification identification usually adopts the laser scanning method or the camera photographing method. The former needs to move up and down mechanically, and the speed is relatively slow; the latter requires the sample tube ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/024G01N29/032
Inventor 谢仁祥高鹏
Owner 盈开生物科技(上海)有限公司
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