CN209707606U - A kind of blood glucose meter detection device - Google Patents
A kind of blood glucose meter detection device Download PDFInfo
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- CN209707606U CN209707606U CN201822033633.9U CN201822033633U CN209707606U CN 209707606 U CN209707606 U CN 209707606U CN 201822033633 U CN201822033633 U CN 201822033633U CN 209707606 U CN209707606 U CN 209707606U
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Abstract
The application discloses a kind of blood glucose meter detection device, comprising: detection module, detection module include: AFE(analog front end), analog to digital converter, microprocessor, digital simulation converter；Analog to digital converter is used to acquire the AD value for the driving voltage u2 for indicating blood glucose meter to be measured；Digital simulation converter is used for output voltage u1；AFE(analog front end) is used to increase the input impedance of analog to digital converter, and is input to blood glucose meter to be measured for converting electric current i for voltage u1；Microprocessor is compared for AD value to be scaled voltage value with preset first standard value, whether within a preset range to judge the driving voltage u2 of blood glucose meter to be measured；And by the test result of blood glucose meter to be measured at electric current i compared with preset second standard value, whether within a preset range the test result of blood glucose meter to be measured is judged.Real blood sugar test curve can either be simulated, erroneous judgement of the human interference to testing result can be also excluded.
Description
Technical field
This application involves the field of medical instrument technology, more specifically, in particular to a kind of blood glucose meter detection device.
Background technique
Blood glucose meter is also known as blood-glucose meter, is a kind of electronic instrument for measuring blood glucose level.In actual use, blood glucose meter pair
The precision requirement of electric signal measurement is relatively high, but is influenced by component performance difference, and every blood glucose meter may deposit when leaving the factory
In certain difference, how to guarantee the consistency before instrument factory, in addition to every is corrected before dispatching from the factory, it is also necessary to every
The accuracy of platform blood glucose meter and performance are detected.
Currently, blood sugar test paper loss is too big due to detecting blood glucose meter using blood glucose strip, therefore, the prior art is common
Method be to be detected with measuring resistance item, but measuring resistance detection method can not simulate real blood sugar test curve, and imitate
Rate is low, and manual operation is easy to bring artificial interference, result is caused to be judged by accident.
Therefore it provides a kind of blood glucose meter detection device, can either simulate real blood sugar test curve, can also exclude people
To interfere the erroneous judgement to testing result, have become those skilled in the art's technical problem urgently to be resolved.
Utility model content
In order to solve the above technical problems, providing a kind of blood glucose meter detection device, it is bent that real blood sugar test can either be simulated
Line, can also exclude erroneous judgement of the human interference to testing result, and testing result is accurate.
Technical solution provided by the present application is as follows:
The application provides a kind of blood glucose meter detection device, comprising:
Detection module, the detection module include: AFE(analog front end), analog to digital converter, microprocessor, digital simulation turn
Change device；
The analog to digital converter is for acquiring the driving voltage u for indicating blood glucose meter to be measured2AD value；
The digital simulation converter is used for the output voltage u1；
The AFE(analog front end) is used to increase the input impedance of the analog to digital converter, and is used for the voltage u1Turn
It turns to electric current i and is input to blood glucose meter to be measured；
The microprocessor is compared for the AD value to be scaled voltage value with preset first standard value, is judged
The driving voltage u of blood glucose meter to be measured2Whether within a preset range；And by the test result of blood glucose meter to be measured at electric current i and in advance
If the second standard value compare, whether within a preset range judge the test result of blood glucose meter to be measured.
Preferably, the detection module further includes for detecting the quiescent dissipation of blood glucose meter and the current detecting of dynamic power consumption
Module.
Preferably, detection module further includes communication module, for realizing the detection module and the blood glucose meter and described
Communication between industrial personal computer.
Preferably, the detection module is connect with blood glucose meter to be measured by connecting line group.
Preferably, the blood glucose meter detection device further includes scan module；The scan module is for scanning detected instrument
The SN code of device binds SN code and the data for detecting the detection module.
Preferably, the blood glucose meter detection device further includes that USB turns serial port module, and the USB turns serial port module for real
Existing communication between detection module, scan module and industrial personal computer.
Preferably, the blood glucose meter detection device further includes industrial personal computer, and the industrial personal computer includes host and display, described
Industrial personal computer is used to control the start and stop of the detection module detection process, and the testing result of the display detection module.
Preferably, the blood glucose meter detection device further includes power-supply system, for powering.
Blood glucose meter detection device provided by the utility model, when in use, it is only necessary to by blood glucose meter to be detected and detection module
It is connected, detection module detects blood glucose meter, and detecting step is as follows: the first step, the driving voltage u of blood glucose meter strip interface2
Realize that blood glucose meter driving voltage to the isolation between ADC, increases the input resistance of ADC by AFE(analog front end) AFE, AFE(analog front end) AFE
It is anti-.Second step, analog to digital converter ADC acquisition is for indicating the driving voltage u by AFE(analog front end) AFE2AD value, and will
Collected AD value is exported to Micro-processor MCV.AD value is converted into voltage value by third step, Micro-processor MCV, by voltage value with
First preset value compares, if the driving voltage of blood glucose meter to be measured meets requirement within the scope of specification error, if not advising
Determine in error range, then needs to calibrate blood glucose meter to be measured again.4th step, digital simulation converter DAC are acquired through micro-
Processor MCU controls output voltage u1It exports and gives AFE(analog front end) AFE, digital simulation converter DAC can be to the voltage u of output1It carries out
It adjusts to adjust the size of electric current i.5th step, AFE(analog front end) AFE receive the voltage through digital simulation converter DAC conversion adjustment
u1, AFE(analog front end) AFE is by voltage u1It is converted into electric current i.Test result at electric current i is sent to by the 5th step, blood glucose meter to be measured
Detection module, and by compared with the second preset value, judging whether the accuracy of its test result meets blood in Micro-processor MCV
Sugared instrument factory requires, if not in accuracy range, then it represents that instrument is abnormal, needs to calibrate again.Compared with prior art, it solves
The manual operation of measuring resistance of having determined detection method, low efficiency are easy to bring artificial interference, and result is caused to judge problem by accident, realize
Automatic detection to blood glucose meter precision excludes erroneous judgement of the human interference to testing result；Meanwhile being turned by adjusting digital simulation
Change the u of device output1, and then the electric current i of AFE(analog front end) output is adjusted, the function of simulation blood glucose strip test is realized, to not have to
It replaces different resistor stripes manually again and carrys out the different blood glucose value of simulation test, simplify test process, and reduce and artificially bring into
Interference.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of detection module schematic diagram of blood glucose meter detection device provided by the embodiment of the utility model；
Fig. 2 is a kind of circuit diagram of blood glucose meter detection device provided by the embodiment of the utility model；
Fig. 3 is a kind of schematic diagram of blood glucose meter detection device provided by the embodiment of the utility model.
1- blood glucose meter；2- detection module；20- AFE(analog front end)；21- analog to digital converter ADC；The conversion of 22- digital simulation
Device DAC；23- Micro-processor MCV；24- current detection module；25- power module；26- communication module；3- connecting line group；4- is swept
Retouch module；5-USB turns serial port module；6- industrial personal computer；7- power-supply system.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.
It should be noted that it can directly exist when element is referred to as on " being fixed on " or " being set to " another element
On another element or indirectly setting on the other element；When an element is known as " being connected to " another element,
It can be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is that orientation based on the figure or position are closed
System is merely for convenience of description the application and simplifies description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.It is multiple in the description of the present application ", " several " be meant that two or
Two or more, unless otherwise specifically defined.
It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off
The content shown is not limited to the enforceable qualifications of the application so that those skilled in the art understands and reads, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the application
Under the effect of can be generated and the purpose that can reach, it should all still fall in techniques disclosed in this application content and obtain the model that can cover
In enclosing.
The present embodiment is write in a progressive manner.
It please be as shown in Figure 1-3, a kind of 1 detection device of blood glucose meter, comprising:
Detection module 2, detection module 2 include: AFE(analog front end) 20, analog to digital converter ADC21, Micro-processor MCV, number
Type matrix intends converter DAC22；Analog to digital converter ADC21 is for acquiring the driving voltage u for indicating blood glucose meter 1 to be measured2AD
Value；Digital simulation converter DAC22 is used for output voltage u1；AFE(analog front end) 20 is for increasing analog to digital converter ADC21's
Input impedance, and be used for voltage u1It is converted into electric current i and is input to blood glucose meter 1 to be measured；Micro-processor MCV is for converting AD value
It is compared for voltage value with preset first standard value, judges the driving voltage u of blood glucose meter 1 to be measured2Whether in preset range
It is interior；And by the test result of blood glucose meter 1 to be measured at electric current i compared with preset second standard value, blood glucose meter 1 to be measured is judged
Within a preset range whether test result；Industrial personal computer 6, industrial personal computer 6 are used to control the start and stop of 2 detection process of detection module.
1 detection device of blood glucose meter provided by the utility model, when in use, it is only necessary to by blood glucose meter 1 to be detected and detection mould
Block 2 is connected, and detection module 2 detects blood glucose meter 1, and detecting step is as follows: the first step, the excitation of 1 strip interface of blood glucose meter
Voltage u2Realize that 1 driving voltage of blood glucose meter to the isolation between ADC21, increases by AFE(analog front end) 20AFE, AFE(analog front end) 20AFE
Add the input impedance of ADC21.Second step, analog to digital converter ADC21 acquisition is for indicating swashing by AFE(analog front end) 20AFE
Encourage voltage u2AD value, and collected AD value is exported to Micro-processor MCV 23.Third step, Micro-processor MCV 23 is by AD value
It is converted into voltage value, by voltage value compared with the first preset value, if within the scope of specification error, the excitation of blood glucose meter 1 to be measured
Voltage meets requirement, if needing to calibrate blood glucose meter 1 to be measured again not within the scope of specification error.4th step,
Digital simulation converter DAC22 acquires the AD value exported through Micro-processor MCV 23, and output voltage u1It exports to AFE(analog front end)
20AFE, digital simulation converter DAC22 can be to the voltage u of output1It is adjusted.5th step, AFE(analog front end) 20AFE receive warp
The voltage u of digital simulation converter DAC22 conversion adjustment1, AFE(analog front end) 20AFE is by voltage u1It is converted into electric current i.5th step, to
It surveys blood glucose meter 1 and the test result at electric current i is sent to detection module 2, and by default with second in Micro-processor MCV 23
Value compares, and judges whether the accuracy of its test result meets the factory of blood glucose meter 1 and require, if not in accuracy range, table
Show instrument exception, needs to calibrate again.Compared with prior art, it solves measuring resistance detection method to be manually operated, low efficiency,
It is easy to bring artificial interference, result is caused to judge problem by accident, realize the automatic detection to 1 precision of blood glucose meter, exclude artificial dry
Disturb the erroneous judgement to testing result；Meanwhile the u by adjusting digital simulation converter DAC22 output1, and then adjust AFE(analog front end)
The electric current i of 20 outputs, realizes the function of simulation blood glucose strip test, to not have to replace different resistor stripes manually again to simulate
Different blood glucose values is tested, test process is simplified, and reduces the interference artificially brought into.
Detection module 2 in the utility model embodiment can be connect with more blood glucose meters 1 simultaneously, to more blood glucose meters 1 into
Row detection, preferably 8, detection efficiency is higher.
It should be noted that the first standard value is specially the pattern field voltage value of blood glucose meter 1 to be measured, in microprocessor
In MCU23, the AD value that analog to digital converter ADC21 is acquired is converted into the practical driving voltage u of blood glucose meter 1 to be measured2, then will
Practical driving voltage u2Compared with pattern field voltage value, if gained difference is in preset permitted error range,
The driving voltage of blood glucose meter 1 to be measured meets factory and requires；If gained difference is not in preset permitted error range,
The driving voltage of blood glucose meter 1 to be measured is undesirable, needs to calibrate again.
In the present solution, being 0.3V with pattern field voltage, error range is ± 0.001V, using 16 simulation numerals
Converter ADC21, and analog to digital converter ADC21 uses the reference source of 2.048V, if analog to digital converter ADC21 is adopted
The AD value obtained is 9604, then being converted into voltage is 2.048/2^16*9604=0.300125V, then illustrates swashing for blood glucose meter 1 to be measured
Voltage is encouraged beyond error range.
It should be noted that the second standard value is specially the test result values of standard blood glucose meter 1 under conditions of electric current i, In
In Micro-processor MCV 23, Micro-processor MCV 23 is received under conditions of electric current i, the test result of blood glucose meter 1 to be measured and default
Under conditions of electric current i, the test result of standard blood glucose meter 1 compares, judge gained difference whether in preset error range
It is interior, if not in default error range, then it represents that instrument is abnormal, needs to calibrate again；If in default error range, then it represents that
Blood glucose meter 1 to be measured meets preset requirement.
In the present solution, the corresponding blood glucose test result at electric current i1 of standard blood glucose meter 1 is 10.6mmol/L (191mg/
Dl), blood glucose value acceptable error range is ± 2%, i.e., if 1 test value of blood glucose meter to be measured have exceeded 10.4 at electric current i1~
10.8mmol/L indicates that test result is abnormal, needs to calibrate blood glucose meter 1 again.
In the utility model embodiment, circuit as shown in Figure 2, AFE(analog front end) 20 is by voltage u1It is converted into electric current i, i=(u2-
u1)/RL, wherein u2For the driving voltage of blood glucose meter 1 to be measured.As i > 0, electric current flows into 1 strip of blood glucose meter to be measured from outside
Mouthful, when i < 0 is, electric current is flowed out from 1 strip mouth of blood glucose meter to be measured.In the present solution, can be by adjusting the big of the electric current i exported
It is small, realize the function of simulation blood glucose strip test, i.e. u2And RLTo determine value, can be adjusted by digital simulation converter DAC22
Voltage u1Size, thus realize adjust electric current i size, come simulate blood glucose strip test function, do not have to again manually replacement
Different resistor stripes carrys out the different blood glucose value of simulation test, simplifies test process, and reduces the interference artificially brought into.
In the utility model embodiment, detection module 2 further includes the quiescent dissipation and dynamic power consumption for detecting blood glucose meter 1
Current detection module 24.By the way that current detection module 24 is arranged, the quiescent dissipation and dynamic of blood glucose meter 1 can be effectively detected
Power consumption whether within the limits prescribed, if gone beyond the scope, then it represents that the power consumption of blood glucose meter 1 is abnormal.
In the utility model embodiment, detection module 2 further includes communication module 26, for realizing detection module 2 and blood glucose
Communication between instrument 1 and industrial personal computer 6.
In the utility model embodiment, detection module 2 is connect with blood glucose meter 1 to be measured by connecting line group 3.Connected by setting
Wiring group 3, connecting line group 3 include connecting line and connection sheet, realize voltage, current signal between detection module 2 and blood glucose meter 1
Transmitting.
In the utility model embodiment, 1 detection device of blood glucose meter further includes scan module 4；Scan module 4 is for scanning quilt
The SN code of detecting instrument binds SN code with will test the data that module 2 detects.Scan module 4 is for scanning detected instrument
SN code, by SN code and will test the data that module 2 detects and bind.By the way that scan module 4 is arranged, scans and be detected blood glucose meter 1
SN code, then SN code and detection data are bound, realize the one-to-one management of detection data.
In the utility model embodiment, 1 detection device of blood glucose meter further includes that USB turns serial port module 5, and USB turns serial port module 5
For realizing the communication between detection module 2, scan module 4 and industrial personal computer 6.Turn serial port module 5 by the way that USB is arranged, realizes inspection
Survey the communication between module 2, scan module 4 and industrial personal computer 6.
In the utility model embodiment, blood glucose meter detection device further includes industrial personal computer 6, and industrial personal computer 6 includes host and display
Device, industrial personal computer 6 are used to control the start and stop of 2 detection process of detection module, and the testing result of display detection module 2.It realizes to inspection
The control of survey process, human-computer interaction and data management, and data can be will test and be uploaded to server, facilitate the storage of data, look into
Ask, handle etc..
In the utility model embodiment, 1 detection device of blood glucose meter further includes power-supply system 7, for powering.Pass through setting electricity
Source module 25 is powered for 1 detection device of blood glucose meter.
In the utility model embodiment, 1 detection device of blood glucose meter provided by the present application includes:
Industrial personal computer 6: including host and display, the control to detection process, human-computer interaction and data management are realized, and can
It will test data and be uploaded to server, facilitate storage, inquiry, processing of data etc..
Scan module 4: being detected the SN code of instrument by scanning, and host computer binds SN code and detection data, realizes inspection
The one-to-one management of measured data.
Detection module 2: including power module 25, analog to digital converter ADC21, digital simulation converter DAC22, simulation
Front end 20AFE, Micro-processor MCV 23, current detection module 24, communication module 26.
Power module 25: power supply is provided to 2 each section of detection module, while providing power supply to tested blood glucose meter 1.
Analog to digital converter ADC21: the driving voltage of 1 strip interface of blood glucose meter is acquired after AFE by ADC21, adopts
The AD value collected is converted into voltage value by MCU, compared with standard value, if indicating instrument school in defined error range
There is no problem for quasi- driving voltage, if this indicates the driving voltage of instrument calibration not in model not in defined error range
In enclosing or leakage school.It is 0.3V with driving voltage, error range is ± 0.001V, and using 16 ADC21, and ADC21 is used
For the reference source of 2.048V, if the AD value adopted is 9604, converting from voltage is 2.048/2^16*9604=
0.300125V illustrates driving voltage beyond error range.
Digital simulation converter DAC22: the output by adjusting digital simulation converter DAC22, by AFE(analog front end)
The conversion of 20AFE adjusts the size of the electric current of output, the function of simulation blood glucose strip test is realized, as shown in Fig. 2, DAC22 is defeated
Voltage is u out2, strip interface end driving voltage u1, then being input to the electric current i=(u of strip mouth2-u1)/RL, can be with from formula
Find out, u1It is determining driving voltage, by adjusting u2That is the size of adjustable current, as i > 0, electric current flows into examination from outside
Item mouth, when i < 0 is, electric current is flowed out from strip mouth.Test result is sent to detection module 2 by blood glucose meter 1 simultaneously, and by micro-
Processor MCU23 judges whether the accuracy of its test result meets the factory of blood glucose meter 1 and require, not in accuracy range, table
Show that instrument exception is simplified and tested to carry out the different blood glucose value of simulation test without replacing different resistor stripes manually again
Journey, and reduce the interference artificially brought into.Such as the corresponding blood glucose test result of electric current i1 is 10.6mmol/L (191mg/Dl),
Blood glucose value acceptable error range is ± 2%, i.e., if test value has exceeded 10.4~10.8mmol/L, indicates that test result is different
Often.
Micro-processor MCV 23: controlling entire detection module 2 and work, including digital simulation converter DAC22 output, simulation
The work such as digitizer ADC21 acquisition, current detecting, data processing and communication.
AFE(analog front end) 20AFE: AFE(analog front end) 20AFE realize 1 driving voltage of blood glucose meter to analog to digital converter ADC21 it
Between isolation, increase analog to digital converter ADC21 input impedance；The electricity that digital simulation converter DAC22 is exported simultaneously
Pressure is converted to electric current and is input to blood glucose meter 1.
Current detection module 24: by current detection module 24, whether the quiescent dissipation and dynamic power consumption of detection blood glucose meter 1
Within the limits prescribed, if gone beyond the scope, then it represents that the power consumption of blood glucose meter 1 is abnormal.
Communication module 26: the communication function between detection module 2 and blood glucose meter 1 and industrial personal computer 6 is realized.
USB turns serial port module 5: realizing the communication of detection module 2, scan module 4 and industrial personal computer 6.
Connecting line group 3: including connecting line and connection sheet, voltage, the electric current letter between detection module 2 and blood glucose meter 1 are realized
Number transmitting.
Power-supply system 7: powering to system module, including scan module 4, detection module 2 and USB turn serial port module 5 etc..
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (8)
1. a kind of blood glucose meter detection device characterized by comprising detection module, the detection module be used for blood glucose meter into
Row detection, the detection module includes,
The AFE(analog front end) being connect with blood glucose meter,
It is connect with the AFE(analog front end), and the simulation numeral conversion of the AD value of the driving voltage u2 for acquiring the blood glucose meter
Device,
And the digital simulation converter for output voltage u1, the digital simulation converter are connect with the AFE(analog front end),
So that converting electric current i for the voltage u1 is input to the blood glucose meter by the AFE(analog front end),
The microprocessor being connect with the analog to digital converter and the digital simulation converter,
The microprocessor is used to convert the AD value and compared with default first standard value in the microprocessor, and
By the test result of blood glucose meter described under electric current i compared with its preset second standard value.
2. blood glucose meter detection device according to claim 1, which is characterized in that the detection module further includes for detecting
The quiescent dissipation of blood glucose meter and the current detection module of dynamic power consumption.
3. blood glucose meter detection device according to claim 1, which is characterized in that the detection module further includes communication mould
Block, for realizing the communication between the detection module and the blood glucose meter and the industrial personal computer.
4. blood glucose meter detection device according to claim 1, which is characterized in that the detection module and blood glucose meter to be measured are logical
Cross the connection of connecting line group.
5. blood glucose meter detection device according to claim 1, which is characterized in that the blood glucose meter detection device further includes sweeping
Retouch module；The scan module is used to scan the SN code of detected instrument, by SN code and the data for detecting the detection module
Binding.
6. blood glucose meter detection device according to claim 5, which is characterized in that the blood glucose meter detection device further includes
USB turns serial port module, and the USB turns serial port module for realizing the communication between detection module, scan module and industrial personal computer.
7. blood glucose meter detection device described in -6 any one according to claim 1, which is characterized in that the blood glucose meter detection is set
Standby further includes industrial personal computer, and the industrial personal computer includes host and display, and the industrial personal computer is for controlling the detection module detection
The start and stop of process, and the testing result of the display detection module.
8. blood glucose meter detection device described in -6 any one according to claim 1, which is characterized in that the blood glucose meter detection is set
Standby further includes power-supply system, for powering.
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| CN201822033633.9U CN209707606U (en) | 2018-12-05 | 2018-12-05 | A kind of blood glucose meter detection device |
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| CN201822033633.9U CN209707606U (en) | 2018-12-05 | 2018-12-05 | A kind of blood glucose meter detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112075943A (en) * | 2020-09-02 | 2020-12-15 | 北京华益精点生物技术有限公司 | Starting communication device and method for blood glucose meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112075943A (en) * | 2020-09-02 | 2020-12-15 | 北京华益精点生物技术有限公司 | Starting communication device and method for blood glucose meter |
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