Portable blood sugar meter with blood sugar concentration trend curve display

A blood glucose concentration, portable technology, applied in the field of portable blood glucose meters and blood glucose meters, can solve the problem of inability to realize long-term monitoring, tracking and comparison of blood glucose concentration by users, inability to display historical blood glucose concentration trend curve, lack of access to historical test data, Reproduce problems such as functions to achieve the effect of compact structure, complete functions and low price

Inactive Publication Date: 2005-05-18
SHANGHAI JIAO TONG UNIV
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AI Technical Summary

Problems solved by technology

Self-calibration is performed sequentially between the enzyme electrode of the measuring socket, thermistor, 10KΩ standard resistance and no load through multiple analog switches. Due to the complexity of the calibration circuit, the hardware cost of the entire instrument is relatively high
On the other hand, the leakage current and on-resistance of multi-channel analog switches will bring additional measurement errors. From the perspective of overall machine performance, the portable blood glucose tester introduced in this document has shortcomings such as single function and low cost performance, and lacks The continuous historical test data and the access and reproduction functions of the current test time cannot realize the long-term monitoring, tracking and comparison of the blood glucose concentration by the user, especially the trend curve display of the historical blood glucose concentration cannot be realized

Method used

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  • Portable blood sugar meter with blood sugar concentration trend curve display

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Embodiment Construction

[0010] Such as figure 1 As shown, the present invention includes: single-chip computer 1, memory 2, clock manager 3, liquid crystal display 4, analog-to-digital converter 5, operational amplifier 6, voltage regulator 7, power manager 8, voltage monitor 9, reaction Test the signal port 10 and the button module 11. Wherein, the reaction test signal port 10 is connected to the analog-to-digital converter 5 through the operational amplifier 6, and the three I / O pins of the analog-to-digital converter 5, namely CLK, Dout and CS, are connected to the I / O pins in the single-chip computer 1 respectively. Port RC3 / SCK / SCL, RC4 / SDI / SDA and RB2 are connected, and five I / O pins of liquid crystal display 4, namely CS, D / C, SDO, RST and SCK are respectively connected with I / O pins in single-chip computer 1. O ports RC7, RC6, RC5, RC2 are connected to RC3 / SCK / SCL, in which the liquid crystal display 4 and the analog-to-digital converter 5 time-division multiplex the clock signal pin RC3 / SCK...

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Abstract

The present invention relates to medical equipment, and is portable blood sugar meter with blood sugar concentration trend curve display. The portable blood sugar meter has reaction test signal, operation amplifier, A / D converter, monochip computer, LCD, memory, clock manager, voltage monitor, voltage stabilizer, button module and power source manager connected together. The present invention has high performance / cost ratio, simple operation and convenient calibration, and may be used to complete the blood sugar signal acquisition and data processing fast and accurately.

Description

technical field [0001] The invention relates to a blood glucose meter, in particular to a portable blood glucose meter with a blood glucose concentration trend curve display, which belongs to the field of medical equipment. Background technique [0002] The traditional detection of blood glucose content is completed on a large-scale biochemical analyzer. The detection cycle is long, the blood volume is large, the cost is high, and the operation is complicated, which is not conducive to self-monitoring of patients. The portable blood glucose meter can overcome the above defects, complete the quick and easy detection of blood glucose concentration, realize the self-monitoring of blood glucose of patients, and use very little blood. [0003] Found through document retrieval to prior art, Sun Jian of Huazhong University of Science and Technology wrote "the development of portable intelligent blood glucose test instrument" on "Instrument Technology and Sensor" (6, 17-20, 1998), a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/327G01N33/50G01N33/66
Inventor 袁景淇王坤唐日泉
Owner SHANGHAI JIAO TONG UNIV
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