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Calibrating device of domestic glucometer and control method thereof

The technology of a testing device and a blood glucose meter is applied in the direction of electrochemical variables of materials, etc., which can solve the problems of high cost and difficult preservation of standard substances, and achieve the effects of low cost and simple device structure.

Active Publication Date: 2013-04-17
HEILONGJIANG PROVINCIAL INST OF MEASUREMENT & VERIFICATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the cost of the current blood glucose meter calibration method using standard substances is extremely expensive, and the standard substances are not easy to preserve. The present invention provides a household blood glucose meter calibration device and its control method

Method used

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  • Calibrating device of domestic glucometer and control method thereof
  • Calibrating device of domestic glucometer and control method thereof

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Experimental program
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specific Embodiment approach 1

[0021] Specific implementation mode one: combine figure 1 and figure 2 Describe this embodiment, the testing device of the household blood glucose meter described in this embodiment,

[0022] It includes a microcontroller circuit 1, a voltage reference circuit 2, a current reference circuit 3, a first adder 4, a second adder 5, a voltage amplifier 6, a current amplifier 7, a first closed-loop control circuit 8, a second closed-loop control circuit 9, Amplifier 10 and A / D conversion circuit 11;

[0023] The single-chip microcomputer circuit 1 outputs a voltage signal to the voltage reference circuit 2,

[0024] The reference voltage signal output by the voltage reference circuit 2 and the feedback voltage output by the first closed-loop control circuit 8 are output to the voltage amplifier 6 after being calculated by the first adder 4, and the output voltage signals of the voltage amplifier 6 are respectively sent to the first closed-loop control circuit 8 and the received ...

specific Embodiment approach 2

[0037] Specific embodiment two: this embodiment is a further limitation of the verification device of the household blood glucose meter described in specific embodiment one, it also includes a keyboard circuit 12, the input signal output terminal of the keyboard circuit 12 and the input signal output of the single-chip microcomputer circuit 1 end connection.

specific Embodiment approach 3

[0038] Embodiment 3: This embodiment is the control method of the verification device of the household blood glucose meter described in Embodiment 1. The single-chip microcomputer circuit is embedded in the control software, and the control software includes the following steps:

[0039] A step for receiving an externally input analog resistance value;

[0040] A step for receiving the measured voltage signal of the blood glucose meter input by the A / D conversion circuit 11;

[0041] A step for outputting a voltage signal to the voltage reference circuit 2 according to the voltage signal measured by the blood glucose meter input;

[0042] A step for outputting a current signal to the current reference circuit 3 according to outputting the voltage signal to the voltage reference circuit 2 and the input analog resistance value.

[0043] The user inputs the resistance value of the analog resistance according to the model of the blood glucose meter to be tested and the batch numb...

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Abstract

The invention discloses a calibrating method of a calibrating device of a domestic glucometer, and relates to a calibrating method, and the calibrating device is used for solving the problems that the existing method for calibrating the glucometer by adopting standard substances is extremely expensive in cost, and the standard substances are difficult to store. According to the operation principle of the domestic glucometer, a specific resistor is simulated according to the model of the glucometer and the batch number of test paper; standard current and standard voltage are output to a tested glucometer according to the resistor; the device can be used for simulating the standard current and the standard voltage, reproducing the whole reaction process of bloods on the test paper until the glucometer displays the tested blood sugar concentration display, and detecting whether the tested glucometer is accurate through comparing with the blood sugar concentration of the test paper. The calibrating device of domestic glucometer and the control method thereof are used for calibrating whether the glucometer detects the blood sugar accurately.

Description

technical field [0001] The invention relates to a verification device, in particular to a verification device of a household blood glucose meter and a control method thereof. Background technique [0002] With the acceleration of the pace of modernization in today's society, people's rhythm of life and dietary structure are undergoing significant changes. The number of diabetic patients has increased sharply, and its prevalence rate ranks first among all major diseases. The number of diabetic patients in my country has exceeded 100 million. As a lifelong disease, diabetes requires patients to keep abreast of their own blood sugar levels. In addition, any measures taken by diabetics to control blood sugar, such as medication, diet control, and insulin use, must also be known by testing blood sugar. Therefore, , the blood glucose meter, as the most convenient and fast blood glucose testing instrument, has become an essential medical instrument and equipment for diabetic patien...

Claims

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Application Information

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IPC IPC(8): G01N27/26
Inventor 张轶鹏李浩张健刘缨陈洪侠
Owner HEILONGJIANG PROVINCIAL INST OF MEASUREMENT & VERIFICATION
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