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Method and device for evaluating respiratory support equipment assembly

A technology supporting equipment and components, applied in the direction of measuring devices, testing of mechanical parts, testing/calibration devices, etc., can solve problems such as low efficiency, undetectable, unqualified batches, etc., achieve high detection accuracy, avoid replacement, and detect high efficiency effect

Inactive Publication Date: 2019-01-15
HUNAN MICOME ZHONGJIN MEDICAL SCI & TECH DEV CO LTD
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  • Application Information

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Problems solved by technology

The method of manual judgment, firstly, has the disadvantage of low efficiency, and cannot carry out large-scale inspection, and may pass the random inspection, but fail the batch; secondly, it has the disadvantage that the detection coverage is not comprehensive enough, and it cannot be detected in special cases
[0004] Patent document CN108072486A discloses an automatic calibration method for the sensor of respiratory support equipment, which connects the airflow analyzer to the gas path of the respiratory support equipment, connects the airflow analyzer to the PC, and connects the respiratory support equipment to the PC. To calibrate the sensor of respiratory support equipment, improve the sensor accuracy of respiratory support equipment, but this solution only calibrates the sensor, and cannot avoid the use of substandard parts

Method used

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  • Method and device for evaluating respiratory support equipment assembly

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Embodiment

[0039] Take the pressure sensor of the respiratory support equipment as an example for illustration.

[0040] Such as figure 1 As shown, first determine the key indicators of the pressure sensor, and the key indicators need to be able to intuitively and accurately reflect the performance of the pressure sensor.

[0041] In the present invention, the key indicators for the pressure sensor mainly include: reading accuracy, reading stability, and reading delay.

[0042] The accuracy of the reading is mainly measured by comparing the difference between the reading value of the sensor and the reading value of the standard pressure gauge. The specific measurement is the calculation of the absolute quantity, that is, the absolute value of the difference between the sensor reading value P and the standard pressure gauge reading value P0 , the formula is M=|P-P0|. It is generally believed that within the (0,0.5) interval, the reading accuracy score is 10 points, and then every 0.2 in...

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Abstract

The invention provides a method for fully automatically evaluating whether a new component can replace an old component or not and a matched device which have high detection efficiency and complete detection, and can comprehensively cover special cases. To achieve the foregoing, the present invention provides the following technical scheme: disclosed is a method for evaluating respiratory supportequipment assemblies, comprising the following steps of: determining key indexes of the respiratory support equipment assemblies, and the key indexes need to be able to intuitively and accurately reflect performances of the respiratory support equipment assemblies; detecting to obtain key indexes data of the respiratory support equipment assemblies; carrying out weighted average according to the key indexes data to obtain comprehensive scores of the respiratory support equipment assemblies; and testing batch samples, and detecting the consistency of the samples according to the comprehensive scores.

Description

technical field [0001] The present invention relates to the technical field of respiratory support equipment, in particular to a method and device for evaluating components of respiratory support equipment. Background technique [0002] The main working parts of respiratory support equipment such as ventilators include: turbines, valves, pressure sensors, flow sensors, airway structures, etc. Among them, the turbine produces pressurized gas, which is the core component and source of respiratory support equipment. Valves are used to precisely adjust the pressure output to the user. The pressure sensor is used to collect the gas pressure value output to the user end, and feed it back to the core processor to analyze the current state of the user, and then make control adjustments. The flow sensor collects the gas flow output to the user end, and feeds it back to the core processor to analyze the current state of the user, and then make control adjustments. As products are u...

Claims

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Application Information

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IPC IPC(8): G01L27/00G01F25/00G01M13/00
CPCG01L27/00G01M13/00G01F25/10
Inventor 戴征黄皓轩
Owner HUNAN MICOME ZHONGJIN MEDICAL SCI & TECH DEV CO LTD
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