KR101906401B1 - Portable Blood Glucose Tester - Google Patents

Portable Blood Glucose Tester Download PDF

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KR101906401B1
KR101906401B1 KR1020140122917A KR20140122917A KR101906401B1 KR 101906401 B1 KR101906401 B1 KR 101906401B1 KR 1020140122917 A KR1020140122917 A KR 1020140122917A KR 20140122917 A KR20140122917 A KR 20140122917A KR 101906401 B1 KR101906401 B1 KR 101906401B1
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temperature
blood glucose
case
reference time
unit
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KR1020140122917A
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KR20160032789A (en
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도재필
유정민
차근식
남학현
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주식회사 아이센스
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Priority to PCT/KR2015/009742 priority patent/WO2016043528A1/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/66—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving blood sugars, e.g. galactose

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Abstract

The present invention relates to a portable blood glucose meter, which analyzes a temperature change pattern during a reference time measured by a temperature sensor installed inside a case, predicts and calculates a balance temperature in a current measurement environment, The accuracy and reliability of the blood glucose level result can be improved, and particularly, the temperature of the case interior space and the temperature of the indoor environment can be balanced It provides a portable blood glucose meter that is easy to use because it can measure blood glucose levels immediately without having to wait for a considerable amount of time.

Figure R1020140122917

Description

[0001] Portable Blood Glucose Tester [0002]

The present invention relates to a portable blood glucose meter. More specifically, by analyzing a temperature change pattern during a reference time measured by a temperature sensor mounted inside a case, a balance temperature in a current measurement environment is predicted and calculated, It is possible to improve the accuracy and reliability of the blood glucose level result and, in particular, to avoid the need to wait for a considerable amount of time until the temperature of the interior space of the case and the temperature of the indoor environment are balanced A portable blood glucose meter capable of measuring the blood glucose level immediately and being easy to use.

Diabetes mellitus is a chronic disease that is common in modern people, and it accounts for more than 2 million people, or 5% of the total population in Korea.

Diabetes is absolutely lacking or relatively insufficient in the insulin produced by the pancreas due to various causes such as obesity, stress, bad eating habits, inherited hereditary factors, so that the sugar in the blood can not correct the balance in the blood, And it develops.

Blood usually contains a certain concentration of glucose and tissue cells are getting energy here.

However, when the glucose is increased excessively, it is not properly stored in the liver, muscle or fat cells, and accumulates in the blood. As a result, the blood glucose of the diabetic patient is maintained to be much higher than that of the normal person. As it is released, the amount of sugar that is absolutely necessary for each tissue of the body becomes insufficient, causing an abnormality in each tissue of the body.

Diabetes mellitus is characterized by almost no subjective symptoms at the beginning. When the disease progresses, specific symptoms such as diabetes specific next, diabetes, diarrhea, weight loss, general boredom, skin itching, And further progression of the disease may lead to complications such as visual disturbance, hypertension, kidney disease, paralysis, periodontal disease, muscle spasms and neuralgia, and gangrene.

In order to diagnose these diabetes mellitus and prevent it from progressing to complications, systematic blood glucose measurement and treatment should be performed in parallel.

For people with diabetes and those who have not progressed to diabetes but have more sugar than normal in their blood, many medical device manufacturers offer a variety of portable blood glucose meters to measure blood glucose at home.

Such a portable blood glucose meter measures a blood glucose level by inserting a test strip into a case, adsorbing a blood sample on a test strip inserted into the case, inspecting an absorbed blood sample through a blood glucose measurement module in the case, And outputs the blood glucose measurement result to a separate display unit.

In this case, since the blood glucose level for the blood sample changes according to the temperature of the environment to be measured, the portable blood glucose meter is provided with a temperature sensor for measuring the temperature. In the process of calculating the blood glucose level through the operation unit, In consideration of the temperature that has been generated.

However, in the conventional portable blood glucose meter according to the related art, the temperature sensor is mounted inside the case, and the temperature sensor measures the temperature of the space inside the case. In this case, since the inner space of the case is formed in an isolated form from the outer space, the temperature of the inner space of the case changes very slowly with time difference even if the outer temperature substantially changes. The temperature is not reflected normally, and the blood glucose values calculated by reflecting the measured temperature are different from the actual values.

For example, in a case where a portable blood glucose meter is carried out in winter, and the blood glucose is measured by operating a portable blood glucose meter immediately after entering the room after performing an outdoor activity, the temperature of the environment for measuring blood glucose, The temperature measured by the temperature sensor of the blood glucose meter may be as low as, for example, about 0 ° C, since the temperature inside the case of the portable blood glucose meter may still be kept at the outdoor temperature. In this case, when the blood glucose value is calculated by reflecting the temperature measured by the temperature sensor, a temperature (0 ° C) different from the actual temperature (25 ° C) in the measurement environment is reflected, so that accurate blood glucose values can not be obtained.

Therefore, in order to prevent such an inaccurate blood glucose level from being calculated, there has been a problem in that it is necessary to wait for a considerable time until the temperature inside the case equilibrates with the room temperature.

Korean Utility Model Publication No. 20-2013-0003830

SUMMARY OF THE INVENTION The present invention has been made to solve the problems of the prior art, and it is an object of the present invention to analyze a temperature change pattern during a reference time measured by a temperature sensor mounted inside a case, It is possible to improve the accuracy and reliability of the blood glucose level result, and in particular, to improve the accuracy of the blood glucose level measurement environment and the blood glucose level measurement environment, The blood glucose level can be measured immediately without having to wait for a considerable time until the temperature of the indoor environment becomes equilibrium, thereby providing a convenient portable blood glucose meter.

Another object of the present invention is to provide a method and apparatus for analyzing a temperature change pattern in a section in which a temperature change state is stabilized by setting a reference time for measuring temperature to a section after a predetermined time elapses from an operation time point, A portable blood glucose meter capable of predicting and calculating temperature more precisely, thereby further improving the accuracy of a blood glucose level result.

It is a further object of the present invention to provide a method and a system for estimating a balance temperature for a current measurement environment by resetting a reference time and analyzing a temperature change pattern during a reset reference time when a temperature change pattern for an initial reference time is irregular And to provide a portable blood glucose meter that can more precisely predict the calculation of the equilibrium temperature for the current measurement environment and improve the accuracy of the blood glucose level result.

The present invention relates to a blood testing apparatus, comprising: a case having a strip inlet formed at one side thereof so that a test strip formed so that a blood sample can be adsorbed therein; A blood glucose measuring unit mounted in the case and measuring blood glucose by inspecting a blood sample adsorbed on the test strip; A temperature sensor mounted inside the case and continuously measuring the temperature of the internal space of the case for a reference time tp; And a calculation unit for calculating and calculating a blood glucose level by receiving the measured values of the blood glucose measurement unit and the temperature sensor, wherein the calculation unit receives the measured value of the temperature sensor to predict and calculate the equilibrium temperature of the current measurement environment, And the blood glucose level is corrected and calculated by reflecting the calculated equilibrium temperature to the measured value of the blood glucose measuring unit.

In this case, the operation unit receives a temperature change pattern for the reference time measured by the temperature sensor, analyzes the applied temperature change pattern, and predicts and calculates a balance temperature of the current measurement environment. And a correction calculation unit that receives the measurement value of the blood glucose measurement unit and reflects the balance temperature predicted and calculated through the temperature prediction calculation unit on the measurement value of the blood glucose measurement unit to correct and calculate the blood glucose level.

In addition, the reference time may be set in a period after a predetermined measurement start time ts has elapsed from the operating point of the temperature sensor.

In addition, when the temperature variation pattern during the reference time measured by the temperature sensor appears irregularly, the reference time is reset and the temperature sensor continuously measures the temperature for the reset reference time, And estimating the equilibrium temperature of the current measurement environment by receiving the temperature change pattern for the time.

In addition, a display unit capable of outputting the blood glucose value corrected and calculated by the operation unit is formed on the front surface of the case, and when the balance temperature predicted and calculated by the operation unit is out of the preset authorized temperature range, A message may be output by the control unit.

In addition, a separate confirmation operation button may be provided on the front surface of the case, and when the confirmation message is output to the display unit, the operation unit may correct the blood glucose value according to the operation signal for the confirmation operation button .

According to the present invention, by analyzing the temperature change pattern during the reference time measured by the temperature sensor mounted inside the case, the equilibrium temperature in the present measurement environment is predicted and calculated, It is possible to improve the accuracy and reliability of the blood glucose level result by reflecting the accurate temperature of the numerical measurement environment, and in particular, it is necessary to wait for a considerable time until the temperature of the interior space of the case equilibrates with the temperature of the indoor environment It is possible to measure the blood glucose level immediately without using the blood glucose meter.

Further, by setting the reference time for measuring the temperature to a section after a predetermined time elapses from the operating point, it is possible to analyze the temperature change pattern in the section in which the temperature change state is stabilized, And the accuracy of the blood glucose level result can be further improved.

In addition, when the temperature variation pattern for the initial reference time is irregular, by resetting the reference time and analyzing the temperature change pattern during the reset reference time, the equilibrium temperature for the current measurement environment is estimated and calculated, The prediction of the equilibrium temperature can be performed more accurately and the accuracy of the blood glucose level result can be improved.

FIG. 1 is a perspective view schematically showing the outline of a portable blood glucose meter according to an embodiment of the present invention, FIG.
FIG. 2 is an exploded perspective view schematically showing a detailed configuration of a portable blood glucose meter according to an embodiment of the present invention, FIG.
3 is a functional block diagram functionally illustrating a configuration of a portable blood glucose meter according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating a temperature change state measured by a temperature sensor of a portable blood glucose meter according to an embodiment of the present invention. FIG.
FIG. 5 is an exemplary view illustrating a temperature change pattern for a reference time with respect to various temperature change states measured by a temperature sensor of a portable blood glucose meter according to an embodiment of the present invention;
FIGS. 6 and 7 are diagrams for explaining the principle of predicting the equilibrium temperature of a current measurement environment through a temperature variation pattern for a reference time measured by a temperature sensor;
8 is a diagram exemplarily showing a kind of irregular temperature change pattern during the reference time measured by the temperature sensor.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals are used to designate the same or similar components throughout the drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

FIG. 1 is a perspective view schematically illustrating the outline of a portable blood glucose meter according to an embodiment of the present invention, FIG. 2 is an exploded perspective view schematically showing a detailed configuration of a portable blood glucose meter according to an embodiment of the present invention, 3 is a functional block diagram functionally illustrating a configuration of a portable blood glucose meter according to an embodiment of the present invention.

The portable blood glucose meter according to an embodiment of the present invention predicts the balance temperature of the current measurement environment through the temperature change pattern measured during the reference time by the temperature sensor and calculates the blood glucose value by reflecting the same, A blood glucose measurement unit 400, a temperature sensor 500 and an operation unit 600. The control unit 700 controls operation of various components, May be further included.

The case 100 may have a receiving space therein and may be detachably connected to the upper case 110 and the lower case 120 as shown in FIGS. A strip input port 150 is formed at one side of the side so that the test strip 200 can be inserted into the inner space and the test strip 200 is inserted into the strip input port 150 as described in the Background of the Invention, So that the sample T can be easily adsorbed.

The display unit 130 is provided on the front surface of the case 100 so that the blood glucose measurement result measured from the blood sample T can be numerically outputted and the operation button unit 140 for user's operation is mounted do. The operation button unit 140 may include buttons for various functions such as an on / off button. In particular, a separate confirmation operation button 141 may be provided, which will be described later.

In the case 100, a PCB substrate 300 is mounted. On the PCB substrate 300, a blood sugar measuring unit 400 capable of measuring blood glucose is mounted. The blood glucose measurement unit 400 is configured to measure blood glucose using various electronic chips and circuits. The blood glucose measurement unit 400 measures a blood sample T of a test strip 200 inserted through a strip input port 150, .

The temperature sensor 500 is mounted inside the case 100 to measure the temperature of the interior space of the case 100. The temperature sensor 500 may be continuously provided for a predetermined reference time tp according to an embodiment of the present invention. To measure the temperature. The temperature sensor 500 may be mounted inside the case 100 in the form of being mounted on the PCB substrate 300.

The calculating unit 600 is mounted on the PCB 300 and is configured to calculate and calculate a blood glucose value by receiving a measured value measured by the blood glucose measuring unit 400 and a measured value measured by the temperature sensor 500 . The blood glucose level calculated by the calculation unit 600 is output through the display unit 130 formed on the front surface of the case 100. The user can check the blood glucose level of the subject through the information output through the display unit 130 . The method of calculating the blood glucose level by inspecting the blood sample (T) is applied in the same manner as a general blood glucose meter, so a detailed description thereof will be omitted.

The control unit 700 performs overall operation control on all components of the portable blood glucose meter such as the operation button unit 140 and the display unit 13 as well as the blood glucose measurement unit 400, the temperature sensor 500, and the operation unit 600 And can be mounted on the PCB substrate 300.

At this time, the operation unit 600 receives the measurement value of the temperature sensor 500 and predicts and calculates the equilibrium temperature of the current measurement environment, and reflects the predicted calculated equilibrium temperature to the measured value of the blood glucose measurement unit do.

More specifically, the operation unit 600 includes a temperature prediction calculation unit 610 and a correction calculation unit 620. The temperature prediction calculation unit 610 calculates the temperature of the reference time tp measured by the temperature sensor 500 Receives the temperature change pattern, analyzes the applied temperature change pattern, and predicts and calculates the equilibrium temperature of the current measurement environment. The correction calculation unit 620 receives the measured value of the blood glucose measurement unit 400 and the predicted balanced temperature through the temperature prediction calculation unit 610 and calculates the predicted balanced temperature through the temperature prediction calculation unit 610 (400) to correct the blood glucose level.

That is, the operation unit 600 predicts and calculates the equilibrium temperature of the current measurement environment by analyzing the temperature change pattern measured during the reference time tp by the temperature sensor 500, and outputs the predicted equilibrium temperature to the blood glucose measurement unit 400 ) To calculate the final blood glucose level. This is performed through the temperature prediction calculation unit 610 and the correction calculation unit 620, respectively.

According to the structure, the portable blood glucose meter according to an embodiment of the present invention predicts and calculates the equilibrium temperature in the current measurement environment through the calculator 600, corrects and calculates the blood glucose level, reflects the accurate temperature condition It is possible to improve the accuracy of the blood glucose level result by correcting and calculating the blood glucose level and in particular to improve the accuracy of the blood glucose level result in the current measurement environment without having to wait until the temperature measured by the temperature sensor and the temperature in the current measurement environment are balanced. It can reflect the temperature and its use is more convenient.

That is, in the conventional portable blood glucose meter according to the related art, since the temperature value measured by the temperature sensor is the internal temperature of the case as described in the background art, in order to prevent the inaccurate blood glucose value from being calculated from the outside when entering the room The portable blood glucose meter according to an embodiment of the present invention has a problem that it is necessary to wait for a considerable time until the temperature of the case internal space equilibrates with the room temperature. Since the equilibrium temperature can be predicted instantaneously in the measurement environment, the blood glucose level can be measured immediately without waiting for the temperature inside the case and the room temperature to equilibrate, and accurate blood glucose level results can be obtained.

For example, in a case where a portable blood glucose meter is carried out in winter, and the blood glucose is measured by operating a portable blood glucose meter immediately after entering the room after performing an outdoor activity, the temperature of the environment for measuring blood glucose, The temperature measured by the temperature sensor of the blood glucose meter may be as low as, for example, about 0 ° C, since the temperature inside the case of the portable blood glucose meter may still be kept at the outdoor temperature. In this case, the portable blood glucose meter according to the prior art reflects the temperature (0 ° C) measured by the temperature sensor as it is and calculates and calculates the blood glucose level, so that the calculated blood glucose level result is completely different from the actual result. However, even if the temperature measured by the temperature sensor is 0 [deg.] C, for example, the portable blood glucose meter according to an embodiment of the present invention estimates and calculates the equilibrium temperature 25 [ And the blood glucose value is calculated and calculated by reflecting the predicted 25 ° C information as described above, accurate blood glucose level results can be obtained.

At this time, the temperature sensor 500 measures the temperature for the reference time tp, and the calculating unit 600 calculates the balance temperature Tp in the current measurement environment through the temperature variation pattern for the reference time measured by the temperature sensor 500, .

4 illustrates an example of a temperature change state measured by the temperature sensor 500. For example, when the portable blood glucose meter is in the indoor environment after having carried out the portable blood glucose meter, the temperature measured by the temperature sensor 500 4 (a) and 4 (b), when the temperature continues to increase over time at the temperature of the first T1 and a constant time t0 has elapsed, Lt; RTI ID = 0.0 > T2, < / RTI > Although not shown, if the outside temperature is high and the room temperature is low due to cooling or the like as in the summer, the temperature measured by the temperature sensor 500 continuously decreases over time, It will remain constant at the temperature of the indoor environment.

As shown in FIG. 5, the temperature variation curve of the present invention shows a constant pattern due to a parabolic shape or the like, as shown in FIG. 4 (a) and FIG. 4 , The temperature sensor 500 measures the temperature during the reference time tp and the operation unit 600 analyzes the temperature change pattern measured during the reference time by the temperature sensor 500 to estimate the equilibrium temperature of the present measurement environment do.

The equilibrium temperature predictive calculation method may be performed in a mathematical manner through a graph analysis such as a slope change rate of a temperature change graph or an experimental result of a temperature change pattern during a reference time, And may be performed in a statistical manner to find out the corresponding result.

For example, as shown in FIG. 5, the shape of the temperature change graph varies according to the temperature T2 in the measurement environment. In this case, the temperature change pattern measured during the reference time tp is also different from each temperature change state And the like. The computing unit 600 can predict and calculate the equilibrium temperature T2 by analyzing such a temperature change pattern in a mathematical manner. Also, although not shown, the slopes of the temperature change graphs measured at the start and end points during the reference time tp are different from each other depending on the temperature in the measurement environment. The equilibrium temperature After finding the values experimentally, we store the information in a database and find the corresponding results in the actual measurement process, so that the equilibrium temperature can be estimated and calculated.

At this time, the reference time tp can be variously set according to the user's need such as 5 seconds, 10 seconds, 20 seconds, etc. This reference time is set to a predetermined measurement start time ts from the operating point of the temperature sensor 500 Is set in a section after elapsing.

That is, when the user operates the operation button unit 140 of the portable blood glucose meter to measure the blood glucose level, the temperature sensor 500 operates. At this time, when the user operates the blood glucose meter, The temperature measured by the temperature sensor 500 may appear to be very unstable due to, for example, moving the case 100 in the hand and moving it into the indoor space outdoors. For example, as shown in FIGS. 6 and 7, since the case 100 may be in an unstable state for a period of time Δt from the operating point of the temperature sensor 500, the temperature measured by the temperature sensor 500 may be very high It can change unstably. After the .DELTA.t time has elapsed, the case 100 is maintained in a stabilized state, so that the temperature change graph shows a stabilized state in the subsequent section.

Therefore, it is preferable that the reference time tp of the temperature variation pattern for predicting and calculating the equilibrium temperature is set in the interval after the elapse of at least the predetermined time ts from the operating point of the temperature sensor 500. In this case, As shown in FIGS. 6 and 7, since the temperature change pattern exhibits a stable change pattern during the reference time tp, the balance temperature prediction can be performed more accurately.

In this case, the reference time tp is reset, and the temperature sensor 500 sets the reference time tp to the reset reference time tp. In this case, The operation unit 600 continuously measures the temperature during the time tp, and the operation unit 600 may be configured to receive the temperature change pattern during the reset reference time tp to predict and calculate the equilibrium temperature of the current measurement environment.

For example, when the temperature change pattern during the reference time tp appears as a rising / falling repetitive pattern as shown in Fig. 8 (a) or as shown in Fig. 8 (b) , Or if it is shown as a rising pattern as shown in FIG. 8 (c), the equilibrium temperature can not be predicted through this temperature variation pattern. In this case, the reference time tp is reset, The equilibrium temperature can be estimated and calculated by measuring the temperature during the reset reference time.

Therefore, when the temperature change pattern irregularly appears during the initial reference time tp due to a specific situation, the reference time tp is reset according to the embodiment of the present invention, and the temperature during the reset reference time tp By predicting and calculating the equilibrium temperature through the change pattern, a more accurate equilibrium temperature prediction calculation operation is possible.

According to the above structure, the portable blood glucose meter according to an embodiment of the present invention measures the temperature for the reference time tp without having to wait for the time t0 when the temperature inside the case equilibrates with the temperature of the indoor environment, It is possible to estimate the equilibrium temperature with the indoor environment through the temperature change pattern during the period of time, so that the user does not have to wait for a certain time immediately after entering the indoor space after carrying out the portable blood glucose meter, And the blood glucose level measurement result can be calculated very accurately.

If the equilibrium temperature predicted by the operation unit 600 is out of the predetermined temperature range, the control unit 700 may control the display unit 130 to output an additional confirmation message have. At this time, the recognized temperature range may be set to 5 ° C to 50 ° C in consideration of the temperature of general indoor environment.

That is, if the equilibrium temperature of the current measurement environment predicted by the calculation unit 600 is 55 ° C, which is outside the recognized temperature range of 5 ° C to 50 ° C, it can be determined that the environment is abnormal. A confirmation message may be output to the display unit 130 in a manner of once again confirming whether or not it is normal.

At this time, the operation button unit 140 is provided on the front surface of the case 100 as described above. The operation button unit 140 may be provided with another confirmation operation button 141 as described above. The operation unit 600 can be configured to correct and calculate the blood glucose level according to the operation signal for the confirmation operation button 141. [

For example, when the equilibrium temperature predicted by the calculator 600 is 55 ° C. out of the recognized temperature range, the calculator 600 does not directly reflect the equilibrium temperature in the blood glucose value calculation process, A confirmation message is output. The confirmation message is "Is the temperature of the measuring environment about 55 ℃?" Or "Is the temperature of the measurement environment at or above 50 ° C extremely high?" If the user manipulates the confirmation operation button 141 to Yes / No according to the confirmation message, the operation unit 600 reflects the corresponding balance temperature according to the operation signal of the confirmation operation button 141 And outputs a message to the display unit 130 requesting the user to retry without correcting and calculating the blood glucose level or correcting and calculating the blood glucose level.

On the other hand, even if the user inputs the corresponding equilibrium temperature through the confirmation operation button 141 in a state where the equilibrium temperature of the measurement environment is predicted to be out of the recognized temperature range and the confirmation message is outputted, Is too high for normal blood glucose measurement, it may also output a message to try the measurement again in another environment.

In the above description, when the equilibrium temperature predicted and calculated by the operation unit 600 is out of the allowable temperature range, a simple confirmation message is output to the display unit 130. Alternatively, however, a separate alarm sound may be generated, There may also be additional configurations that call attention to the user in the form of.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

100: Case 130:
140: operation button section 141: confirmation operation button
150: Stripping inlet 200: Inspection strip
300: PCB substrate 400: blood sugar measuring unit
500: temperature sensor 600:
610: temperature prediction calculation unit 620: correction calculation unit
700:

Claims (6)

delete delete delete delete A case in which a strip input port is formed at one side so that a test strip formed so that a blood sample can be adsorbed therein can be injected into the case;
A blood glucose measuring unit mounted in the case and measuring blood glucose by inspecting a blood sample adsorbed on the test strip;
A temperature sensor mounted inside the case and continuously measuring the temperature of the internal space of the case for a reference time tp; And
A calculation unit for calculating the blood glucose level by receiving the measured values of the blood glucose measurement unit and the temperature sensor,
, And the arithmetic section
A temperature prediction calculation unit for receiving the temperature variation pattern for the reference time measured by the temperature sensor and analyzing the applied temperature variation pattern to predict and calculate the equilibrium temperature of the current measurement environment; And
A correction calculation unit which receives the measurement value of the blood glucose measurement unit and reflects the balance temperature predicted and calculated through the temperature prediction calculation unit on the measurement value of the blood glucose measurement unit,
Wherein the temperature prediction calculation unit estimates and calculates the equilibrium temperature of the present measurement environment based on information of a separate database storing each of the equilibrium temperature information experimentally obtained for a plurality of temperature variation patterns,
Wherein the reference time is set in a period after a predetermined measurement start time (ts) elapses from an operating point of the temperature sensor,
When the temperature variation pattern during the reference time measured by the temperature sensor appears irregularly,
The reference time is reset and the temperature sensor continuously measures the temperature for the reset reference time,
The operation unit receives the temperature change pattern for the reset reference time to predict and calculate the equilibrium temperature of the current measurement environment,
A display unit capable of outputting the blood glucose level corrected and calculated by the operation unit is formed on the front surface of the case,
Wherein the controller is operated by a separate controller so that a confirmation message is output to the display unit when the balance temperature predicted and calculated by the operation unit is out of a preset authorized temperature range.
6. The method of claim 5,
A separate confirmation operation button is provided on the front surface of the case,
Wherein when the confirmation message is output to the display unit, the operation unit corrects and calculates the blood glucose value according to the operation signal for the confirmation operation button.

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KR102401133B1 (en) * 2019-08-30 2022-05-25 주식회사 비바이오 Apparatus and method for measuring glucose

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