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A method of monitoring the reliability of blood cell test results

A technology of test results and blood cells, which is applied in the field of medical devices, can solve problems such as difficult to identify and prompt interference noise

Inactive Publication Date: 2011-12-14
SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method has certain limitations. In some cases, it is difficult to identify and prompt the influence of interference noise on the test results by using the segmented time counting method. Therefore, a new method is needed to monitor the test results when there are interference signals Monitoring and effective reminders to improve the reliability of test results

Method used

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  • A method of monitoring the reliability of blood cell test results
  • A method of monitoring the reliability of blood cell test results
  • A method of monitoring the reliability of blood cell test results

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Embodiment Construction

[0034] Below according to accompanying drawing and embodiment the present invention will be described in further detail:

[0035] The present invention is applied as figure 1 In the blood cell analysis of the resistance method counting principle shown, when the sample is diluted with a certain amount of conductive liquid, it is sent to the detection unit. The detection unit has a micropore, and there are a pair of positive and negative electrodes on both sides of the micropore, connected to a constant current source. Due to the poor conductor characteristics of the particles, the particles in the diluted sample pass through the detection micropore under the action of negative pressure, and the resistance between the electrodes will change, thus forming a pulse change proportional to the particle volume at both ends of the positive and negative electrodes. . When particles pass through the small hole continuously, the number of pulses is equivalent to the number of particles ...

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Abstract

The invention provides a method for monitoring the test result reliability of the blood cell, comprising: A, setting a threshold value and collecting the signal above the threshold generated when any channel particle passes through the micropore in the internal memory; B, dividing the data in the internal memory into multi-section and individually counting the pulse number in each section to obtain pulse number of each section and the total section; C, comparing the pulse number of each section and judging the counting reliability of the channel particles based on whether the deviation between pulse number of each section exceeds the preset range and provides an indication whether the counting result is right or not. The invention can greatly increase the reliability of the test result reliability of the blood cell of each channel.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a method for monitoring blood cell test results and giving prompts for the reliability of the blood cell test results. Background technique [0002] As an instrument for counting and classifying human blood cell parameters, blood cell analyzers have been widely used in clinical and laboratory fields, mainly providing white blood cells (WBC), red blood cells (RBC), platelets (PLT), mean corpuscular volume (MCV), Hematocrit (HCT), mean corpuscular hemoglobin (MCH), mean corpuscular hemoglobin concentration (MCHC), hemoglobin (HGB) and other test parameters, the test results are used by clinicians to diagnose the patient's condition, so the test results are required to be accurate and reliable. Existing blood cell analyzers use the segmented time counting method to compare the counting results of different segments, and determine the reliability of the sample counting result...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N15/12G06F19/00
Inventor 孔繁钢
Owner SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD