CN201233368Y - Miniature non-invasive urine glucose and spittle glucose detecting instrument - Google Patents
Miniature non-invasive urine glucose and spittle glucose detecting instrument Download PDFInfo
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- CN201233368Y CN201233368Y CNU200820099614XU CN200820099614U CN201233368Y CN 201233368 Y CN201233368 Y CN 201233368Y CN U200820099614X U CNU200820099614X U CN U200820099614XU CN 200820099614 U CN200820099614 U CN 200820099614U CN 201233368 Y CN201233368 Y CN 201233368Y
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Abstract
The utility model discloses a micro nondestructive urine sugar and saliva sugar detection instrument, which comprises an optical-circuit detection device, a signal conversion module and a signal processing/display module, wherein, the optical-circuit detection device comprises a light refection device and a reaction device; the signal conversion module comprises a photoelectric detector, a signal amplification circuit and an A/D conversion circuit; the signal processing/display module comprises a signal processing circuit, a display circuit and a display apparatus; according to the principle that the sugar-contained solution changes color when encountering special reagent, the color variation is changed to the electric signal, thereby measuring the sugar content of the test solution. Different from the prior sugar measuring instrument, the detection instrument is nondestructive, and has rapid measurement, high precision, small volume and easy operation, and can be widely popularized and applied, and is particularly applied to the household, the community medical treatment room and the like.
Description
Technical field
The utility model relates to field of medical, particularly a kind of minisize non-invasive glucose in urine saliva sugar detector.
Background technology
Diabetes are one of modal chronic diseases.Along with the raising of people's living standard, the increase of aging population and fat incidence, the incidence of disease of diabetes is ascendant trend year by year.Diabetes reach 2% at the incidence of disease of China, and according to statistics, the diabetic that made a definite diagnosis of China reaches 4,000 ten thousand, and with annual 1000000 speed increase.
Diabetes are the common diseases that caused by the h and E factor interaction, and clinical is outstanding feature with the hyperglycaemia, and common sympton has many drinks, diuresis, eats more and becomes thin etc.Diabetes can cause the infringement of health multisystem if can not get effective treatment.Causing that absolute or relative hyposecretion of insulin and target tissue cell reduce insulin sensitivity, cause a series of metabolic disorder syndromes such as protein, fat, power and water Xie Zhi, wherein is outstanding feature with the hyperglycaemia.Diuresis can appear in clinical model case, performance, i.e. " three-many-one-little " symptom such as drink more, eat more, become thin.
The method of traditional detection blood sugar concentration needs blood extracting assay, sense cycle is long, cause wound and pain to human body, increase and infect and the routes of infection, more existing electronics glucometers still belong to the category that has wound to detect, some uses the electronics glucometer of direct detection means, directly use blood glucose sensor that the sugar content in the saliva is detected, the electrical signal conversion that records is become digital signal, analyze by computing machine, handle, directly show the content of blood sugar, though this blood glucose meter can draw correlated results fast, but the equipment complexity, cost is higher, is not suitable for family or the personnel's of family practice use.
Coming the diabetes patient is detected by Benedict also is clinically a kind of conventional means, and this method is that the molecule according to glucose, fructose and maltose contains aldehyde radical, and aldehyde radical has reductibility, can react with weak oxidant.Therefore as long as, just can be used to identify the existence of these three kinds of sugar, and Benedict can meet the demands just in time by the chemical reagent of particular color reaction being arranged with aldehyde radical.This method is swift in response, colour developing obviously, but sort out judgement owing to will carry out discriminated union to color by naked eyes, therefore to the having relatively high expectations of doctor, and it is bigger influenced by extraneous factor, has drawbacks such as the measurement result accuracy is low, less stable.
Therefore, need a kind of sugar content detector that is different from existing product, can provide painless, continuously, detection means efficiently, can accurately measure the sugar content of human body, and easy operating, easy to use.
The utility model content
In view of this, the purpose of this utility model provides a kind of minisize non-invasive glucose in urine saliva sugar detector, can be by the urine or the saliva of human body, promptly the sugar content of human body what, thereby provide foundation for the science diagnosing diabetes.
Principle of work of the present utility model is: by add a certain amount of Benedict or phenolphthalein reagent in the glucose solution of equal volume variable concentrations after, because the difference of sugar content, the sediment that may occur different colours in the solution, according to sugar content order from less to more, color changes from shallow to deep, obviously the color that can tell is yellow green, khaki and brick-red, therefore, can be divided into the height that different grades indicates the human body sugar content according to change in color in the precipitation; Further, when the light source that uses fixed wave length shines this test solution, light by this test solution also can change because of the shade of test solution, therefore, utilize optical filter that certain color separated is wherein come out, by light-to-current inversion, signal Processing and analysis, just can demarcate the shade grade of test solution, thereby sugar content in the different test solutions what determine with the optical density of this kind coloured light.
The utility model relates to a kind of minisize non-invasive glucose in urine saliva sugar detector, comprises light path pick-up unit, signal conversion module and signal Processing/display module;
Described light path pick-up unit comprises light emitting devices and reaction unit; Described signal conversion module comprises photodetector, signal amplification circuit and A/D change-over circuit, the detection light that described light emitting devices sends enters the probe of photoelectric detector through reaction unit, the output terminal of described photodetector and the input end of signal amplification circuit link, and the input end of the output terminal of described signal amplification circuit and A/D change-over circuit links; Described signal Processing/display module comprises signal processing circuit, display circuit and display device, the output terminal of the input end of described signal processing circuit and A/D change-over circuit links, the output terminal of described signal processing circuit and the input end of display circuit link, and the output terminal and the display device of described display circuit link;
Further, described light emitting devices comprises light source, lens I, optical filter and lens II, and described light source, lens I, optical filter and lens II are successively set in the salable device, and described reaction unit is arranged between lens I and the optical filter;
Further, described optical filter is can only be by the optical filter of red light;
Further, also comprise interface circuit, described interface circuit and signal processing circuit are interconnected;
Further, described display device is a LCDs;
Further, described signal processing circuit is microprocessor and peripheral circuit thereof;
Further, described reaction unit is the kit that holds Benedict or phenolphthalein reagent;
Based on same principle, described reaction unit also can be to be the glucose oxidase enzyme test peper.
The beneficial effects of the utility model are: the utility model will be separated by the ruddiness of test solution by optical filter, convert electric signal to by photodetector, handle by signal processing circuit again, just can calibrate the shade grade of test solution by the variation that detects its optical density, thereby determine the sugar content in the different test solutions, the utility model is different from existing blood glucose measurement instrument, human body there is not wound, measure rapidly, the precision height, and volume is little, and easy operating can be promoted and use on a large scale, be specially adapted to family, uses such as community medicine chamber
Other advantages of the present utility model, target, to set forth in the following description to a certain extent with feature, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can from practice of the present utility model, obtain instruction to investigating hereinafter.Target of the present utility model and other advantages can realize and obtain by following instructions and claims.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is the utility model block scheme; (wherein dotted line is represented light signal, and solid line is represented electric signal)
Fig. 2 is the light path synoptic diagram of light path pick-up unit.
Embodiment
As shown in Figure 1, the light path pick-up unit comprises light emitting devices 1 and reaction unit 2; Wherein, light emitting devices comprises that light emitting devices 1 comprises light source 9, lens I 10, optical filter 11 and lens II 12, light source 9, lens I 10, optical filter 11 and lens II 12 are successively set in the sealable light tight device, wherein light source 9 is arranged on non-relative with optical filter 11 outside focus of lens I 10, this sealable device is provided with opening, can be placed on easily between lens I 10 and the optical filter 11 by this opening reaction unit 2, and can change reaction unit 2 easily as required.
Signal conversion module comprises photodetector 3, signal amplification circuit 4 and A/D change-over circuit 5, wherein, photodetector 3 be arranged on lens II 12 non-with optical filter 11 opposite external side focuses on and also be arranged in the same sealable light tight device, the detection light that light emitting devices 1 sends enters the probe of photoelectric detector 3 through reaction unit 2, the input end of the output terminal of photodetector 3 and signal amplification circuit 4 links, and the input end of the output terminal of signal amplification circuit 4 and A/D change-over circuit 5 links; Signal Processing/display module comprises signal processing circuit 6, display circuit 7 and display device 8, the output terminal of the input end of signal processing circuit 6 and A/D change-over circuit 5 links, the input end of the output terminal of signal processing circuit 6 and display circuit 7 links, the output terminal of display circuit 7 and display device 8 link, and display device 8 is a LCDs; This detector also includes interface circuit 13, and interface circuit 13 is interconnected with signal processing circuit.
In the present embodiment, reaction unit 2 is for holding the kit of Benedict, and optical filter 11 is can only be by the optical filter of red light, and light source 9 can adopt incandescent lamp.
As shown in Figure 2, the light that light source 9 sends by reaction unit 2, is focused on by lens II 12 after optical filter 11 filters after lens I 10 disperses for directional light, is received by photodetector 3 again.
The course of work of the present utility model is as follows: photodetector 3 converts the red light that receives to electric signal, converting digital signal entering signal treatment circuit 6 behind signal amplification circuit 4 and A/D change-over circuit 5 to analyzes and handles, result after the processing enters in the display device by display circuit 7 and shows, can also be connected with devices such as outside storage, printings by interface circuit 13.
By programmed, what of human body sugar content can be set to a plurality of grades from less to more, thereby output data intuitively comes into plain view testing result.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (8)
1. a minisize non-invasive glucose in urine saliva sugar detector is characterized in that: comprise light path pick-up unit, signal conversion module and signal Processing/display module;
Described light path pick-up unit comprises light emitting devices (1) and reaction unit (2); Described signal conversion module comprises photodetector (3), signal amplification circuit (4) and A/D change-over circuit (5), the detection light that described light emitting devices (1) sends enters the probe of photoelectric detector (3) through reaction unit (2), the input end of the output terminal of described photodetector (3) and signal amplification circuit (4) links, and the input end of the output terminal of described signal amplification circuit (4) and A/D change-over circuit (5) links; Described signal Processing/display module comprises signal processing circuit (6), display circuit (7) and display device (8), the output terminal of the input end of described signal processing circuit (6) and A/D change-over circuit (5) links, the input end of the output terminal of described signal processing circuit (6) and display circuit (7) links, and the output terminal of described display circuit (7) and display device (8) link.
2. minisize non-invasive glucose in urine saliva sugar detector according to claim 1, it is characterized in that: described light emitting devices (1) comprises light source (9), lens I (10), optical filter (11) and lens II (12), described light source (9), lens I (10), optical filter (11) and lens II (12) are successively set in the salable device, and described reaction unit (2) is arranged between lens I (10) and the optical filter (11).
3. minisize non-invasive glucose in urine saliva sugar detector according to claim 2, it is characterized in that: described optical filter (11) is can only be by the optical filter of red light.
4 minisize non-invasive glucose in urine saliva sugar detectors according to claim 1, it is characterized in that: also comprise interface circuit (13), described interface circuit (13) is interconnected with signal processing circuit (6).
The 5 minisize non-invasive glucose in urine saliva sugar detectors of stating according to claim 1, it is characterized in that: described display device (8) is a LCDs.
The 6 minisize non-invasive glucose in urine saliva sugar detectors according to claim 1, it is characterized in that: described signal processing circuit (6) is microprocessor and peripheral circuit thereof.
7 according to any described minisize non-invasive glucose in urine of the claim saliva sugar of claim 1 to 6 detector, and it is characterized in that: described reaction unit (2) is for holding the kit of Benedict or phenolphthalein reagent.
8 according to any described minisize non-invasive glucose in urine of the claim saliva sugar of claim 1 to 6 detector, and it is characterized in that: described reaction unit (2) is the glucose oxidase paper box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820099614XU CN201233368Y (en) | 2008-07-31 | 2008-07-31 | Miniature non-invasive urine glucose and spittle glucose detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820099614XU CN201233368Y (en) | 2008-07-31 | 2008-07-31 | Miniature non-invasive urine glucose and spittle glucose detecting instrument |
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| Publication Number | Publication Date |
|---|---|
| CN201233368Y true CN201233368Y (en) | 2009-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU200820099614XU Expired - Fee Related CN201233368Y (en) | 2008-07-31 | 2008-07-31 | Miniature non-invasive urine glucose and spittle glucose detecting instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016074282A1 (en) * | 2014-11-11 | 2016-05-19 | 深圳市前海安测信息技术有限公司 | Non-invasive detection system and method for diabetes and complications thereof |
| WO2019214494A1 (en) * | 2018-05-05 | 2019-11-14 | 深圳市贝沃德克生物技术研究院有限公司 | Urine biomarker-based early non-invasive detection system and method for diabetes |
| CN114414562A (en) * | 2022-01-25 | 2022-04-29 | 深圳市德光浦科技有限公司 | Saliva sugar concentration measuring device based on glucose test paper optical characteristic |
-
2008
- 2008-07-31 CN CNU200820099614XU patent/CN201233368Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016074282A1 (en) * | 2014-11-11 | 2016-05-19 | 深圳市前海安测信息技术有限公司 | Non-invasive detection system and method for diabetes and complications thereof |
| WO2019214494A1 (en) * | 2018-05-05 | 2019-11-14 | 深圳市贝沃德克生物技术研究院有限公司 | Urine biomarker-based early non-invasive detection system and method for diabetes |
| CN114414562A (en) * | 2022-01-25 | 2022-04-29 | 深圳市德光浦科技有限公司 | Saliva sugar concentration measuring device based on glucose test paper optical characteristic |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090506 Termination date: 20130731 |