CN208999349U - A kind of test paper detecting blood glucose - Google Patents
A kind of test paper detecting blood glucose Download PDFInfo
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- CN208999349U CN208999349U CN201920410277.XU CN201920410277U CN208999349U CN 208999349 U CN208999349 U CN 208999349U CN 201920410277 U CN201920410277 U CN 201920410277U CN 208999349 U CN208999349 U CN 208999349U
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- test paper
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- blood glucose
- blood
- biological enzyme
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Abstract
The utility model discloses a kind of test paper for detecting blood glucose, it is set as strip, the test paper is divided into obverse and reverse sides, and the test paper front end is set as insertion end, the other end is set as blood sampling end, and the setting at the test paper reverse side insertion end and end of taking a blood sample is opposite with the test paper front.Blood sugar test paper provided by the utility model, it is not necessary to insertion end and blood sampling end are distinguished, avoids occurring installing with the mistake of blood glucose meter, it is easy-to-use, it is very suitable to the elderly.
Description
Technical field
The utility model relates to blood sugar test consumptive materials, more specifically to a kind of test paper for detecting blood glucose.
Background technique
Blood sugar test paper be with blood-sugar detecting instrument it is matching used, be coated with biological enzyme, and it is anti-with tester's blood by it
A kind of consumptive material of certain glucose amount in peripheral blood should be detected.It is (common that blood sugar test paper is coated with one layer of ultra-thin conductive layer
Have graphite, silver, gold), (glucose oxidase is contained in the inside or glucose is de- for conductive layer and the biological enzyme being coated in test paper end
Hydrogen enzyme) directly contact, the effect of this biological enzyme be in tester's blood glucose response generate electronics, by with blood
Sugared instrument electrical contact, electricity consumption flow accounting facility read the quantity of electronics, are finally converted to the reading of concentration of glucose.
Cut-off 2018, global diabetic's number has increased to 3.66 hundred million people, and China is the severely afflicated area of diabetes, China's sugar
Urinate disease number of patients it is high ranks the first in the world, between the serious China of aging, 60-80 years old age, have 60% or more it is old
Year, people suffered from diabetes, and blood glucose meter has been universal one of the product of average family, and still, blood sugar test paper in the prior art is only
It with the presence of one end electrode, is electrically connected as insertion end with blood glucose meter, the other end is blood sampling end, and the size of blood sugar test paper compares
Small, two end sizes are similar, and tester is needed carefully to identify, for eyesight relative mistake or even illiterate the elderly
It identifies extremely difficult, is difficult to complete detection in correctly disposable insertion blood glucose meter, is more to need repeatedly to pierce through finger to take
Blood examination, has not only brought that tester is more painful, also results in the waste of test paper.
Utility model content
Purpose of utility model: the utility model is intended to provide one kind and does not need identification insertion end and end of taking a blood sample, easy-to-use,
Suitable for needing to detect the blood sugar test paper of the elderly population of blood glucose.
Technical solution: a kind of test paper detecting blood glucose described in the utility model, shape is strip, test paper be divided into just,
Anti- two sides, the test paper front end are set as insertion end, and the other end is set as blood sampling end, the test paper reverse side insertion end and adopt
The setting at blood end and test paper front are on the contrary, the test paper middle layer is plastic substrate, the tow sides of the plastic substrate
Position close to insertion end is printed at least two strip electrodes, including two working electrodes respectively, the position difference close to blood sampling end
Coated with biological enzyme layer, glucose oxidase or glucose dehydrogenase are contained in biological enzyme layer, two working electrodes extend to life
Object enzyme layer allows to have electric current to pass through after being powered, and is provided with adhesive layer around the biology enzyme layer, hydrophilic layer passes through adhesive layer
Covering is bonded to the upper surface of biological enzyme.Above and below the detent or fixture of blood glucose meter and each electrode electrical contact of test paper insertion end
Two contacts, are connected entirely, guarantee that test paper insertion is able to achieve electrical contact.
Preferably, the working electrode is divided into electrical contact end, conductor section, biological enzyme contact jaw, the electrode cable area
Surface is covered with insulated paint, and the undesirable condition for avoiding the occurrence of short circuit and anodizing occurs.
Preferably, the plastic substrate front is printed with three strip electrodes, including two working electrodes and a response electrode,
The system of an energization is constituted between working electrode, for measuring the electric current that working electrode passes through, response electrode is used in blood glucose
Starting detection, prevents error detection, may be set to be other electrode designs in the prior art when test paper is inserted into blood glucose meter, such as five electricity
Extremely etc..
Preferably, the biological enzyme layer is set as biochip, and the biochip is bonded in plastic base surface, biology
Contain glucose oxidase or glucose dehydrogenase in chip, by conductive gluing knot between biochip and two electrodes, i.e.,
Allow to there is electric current to pass through.
Preferably, the adhesive layer is the combination of discontinuous layers of two-sided, has the gap between layers of two-sided, can make blood sample
Biological enzyme layer is quickly poured into, and internal air can be quickly discharged.
Preferably, the tow sides of the test paper respectively further comprise the top layer that covering is bonded in hydrophilic layer outer surface, top layer
Mainly for the protection of and mark.
The principle of blood sugar test: apply certain constant electricity at the blood sugar test paper electrode both ends of inserting instrument according to blood glucose meter
Pressure such as 300mW, after tested blood sample enters electrode working zone (biological enzyme layer or biochip), test paper electrode surface workspace
Redox reaction occurs for the glucose in interior glucose oxidase or glucose dehydrogenase and blood sample, by quickly biochemical
After reacting (about 5s), the response current that enzyme electrode test paper generates is dense with the glucose in tested blood sample about between 0.1-10 μ A
Spend in a linear relationship, the size of detection blood sample response current under the control of single-chip microcontroller, so that it is dense that accurate blood glucose is calculated
It spends and in instrument liquid crystal screen display final result.
The utility model has the advantages that blood sugar test paper provided by the utility model, it is not necessary to distinguish insertion end and blood sampling end, avoid generation and blood
The mistake installation of sugared instrument, it is easy-to-use, it is very suitable to the elderly, substantially reduces the elderly since mistake installation needs to repeat to take a blood sample
The case where with test paper waste, secondly, the utility model uses discontinuous adhesive layer, facilitate exclusion and the blood of inner air
The absorption of sample reduces sample requirements, is obviously improved the success rate and accuracy rate of test.
Detailed description of the invention
Fig. 1 blood sugar test paper schematic diagram;
The positive structural schematic diagram of Fig. 2 blood sugar test paper;
The structural schematic diagram of Fig. 3 blood sugar test paper reverse side;
Fig. 4 adhesive layer is the positive structural schematic diagram of discrete blood sugar test paper;
Fig. 5 adhesive layer is the structural schematic diagram of discrete blood sugar test paper reverse side.
Specific embodiment
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with accompanying drawings and embodiments.
Embodiment 1
As shown in Figure 1-Figure 3, a kind of test paper detecting blood glucose described in the utility model, shape are strip, test paper point
For obverse and reverse sides, 11 one end of test paper front are set as insertion end 13, are inserted into blood glucose meter and are connected electrically, the other end is set
It is set to blood sampling end 14, acquire blood sample and is absorbed into biological enzyme layer 3, the setting and examination of 12 insertion end 16 of test paper reverse side and end 15 of taking a blood sample
Paper front 11 can realize electrical connection and blood specimen collection analysis on the contrary, no matter to meet by any one end insertion blood glucose meter.Test paper
Middle layer is plastic substrate 1, and using PET polyester material, 1 front of plastic substrate is printed with two graphite electrodes 2, is guaranteed good
Electric conductivity reliability, every strip electrode 2 are divided into electrical contact end 21, conductor section 23, biological enzyme contact jaw 22, and electrical contact end 21 is close
11 insertion ends 13 of test paper front, plastic base 1 are coated with biological enzyme layer 3 far from one end of electrical contact end 21, contain in biological enzyme layer 3
There are glucose oxidase or glucose dehydrogenase, the biological enzyme contact jaw 22 of electrode is directly contacted with biological enzyme layer 3, that is, is powered
Afterwards, allow to there is electric current to pass through, 23 surface of electrode cable area is covered with insulated paint, avoids the occurrence of the bad shape of short circuit and anodizing
Condition occurs, and strip adhesive layer 4 is provided with around biological enzyme layer 3, and hydrophilic layer 5 is bonded to biological enzyme layer 3 by the covering of adhesive layer 4
Upper surface, blood easily absorbs by hydrophilic layer, passes to biological enzyme layer 3 and carries out reaction and generates electric current;1 reverse side of plastic substrate print
Two strip electrodes 2 are brushed, every strip electrode 2 is divided into electrical contact end 21, conductor section 23, biological enzyme contact jaw 22, and electrical contact end 21 is close
12 insertion end 16 of test paper reverse side, plastic base 1 are coated with biological enzyme layer 3, the biological enzyme of electrode far from one end of electrical contact end 21
Contact jaw 22 is directly contacted with biological enzyme layer 3, that is, after being powered, allows to have electric current to pass through, 23 surface of electrode cable area is covered with absolutely
Edge paint, adhesive layer 4 is provided with around biological enzyme layer 3, and hydrophilic layer 5 is bonded to the upper surface of biological enzyme layer simultaneously by adhesive layer covering
Test paper reverse side blood sampling 15 edge of end is extended to, blood sample absorption is easy to.
Embodiment 2
As shown in Figure 4 and Figure 5, a kind of test paper detecting blood glucose described in the utility model, shape are strip, test paper point
For obverse and reverse sides, 11 one end of test paper front are set as insertion end 13, are inserted into blood glucose meter and are connected electrically, the other end is set
It is set to blood sampling end 14, acquire blood sample and is absorbed into biochip, the setting and examination of 12 insertion end 16 of test paper reverse side and end 15 of taking a blood sample
Paper front can realize electrical connection and blood specimen collection analysis on the contrary, no matter to meet by any one end insertion blood glucose meter.In test paper
Interbed is plastic substrate 1, and using PET polyester material, 1 front of plastic substrate is printed with two graphite electrodes 2, guarantees good lead
Electrical reliability, every electricity, 1 is divided into electrical contact end 21, conductor section 23, biological enzyme contact jaw 22, and electrical contact end is close to test paper
Positive insertion end 13, plastic base 1 are bonded with biochip 7 far from one end of electrical contact end 21, contain grape in biochip 7
Carbohydrate oxidase or glucose dehydrogenase, it is with conductive gluing knot between the biological enzyme contact jaw 22 and biochip 7 of electrode 2, i.e., logical
After electricity, allow to there is electric current to pass through, 23 surface of electrode cable area is covered with insulated paint, avoids the occurrence of short-circuit and anodizing bad
Situation occurs, and is provided with discrete layers of two-sided 8 around biochip 7, hydrophilic layer 5 is covered by discrete layers of two-sided 8
Lid is bonded to the upper surface of biochip, and blood is easily absorbed by hydrophilic layer 5, passes to biochip 8 and analyzed;Plastics base
1 back face printing of piece, two strip electrode 2, electrode are divided into electrical contact end 21, conductor section 23, biological enzyme contact jaw 22, electrical contact end 21
Close to 12 insertion end 16 of test paper reverse side, plastic base 1 is bonded with biochip 7, the biology of electrode far from one end of electrical contact end
Using conductive gluing knot between enzyme contact jaw 22 and biochip 7, allow to there is electric current to pass through, 23 surface of electrode cable area is covered with
Insulated paint, discontinuous layers of two-sided 8 is provided with around biochip, and hydrophilic layer 5 is covered viscous by discontinuous layers of two-sided 8
It ties the upper surface of biochip 7 and extends to test paper reverse side blood sampling 15 edge of end, the tow sides of test paper, which respectively further comprise, to be covered
The top layer 6 of lid hydrophilic layer 5, top layer 6 mainly for the protection of and mark.
Claims (6)
1. a kind of test paper for detecting blood glucose, is set as strip, which is characterized in that the test paper is divided into obverse and reverse sides, the examination
Paper front end is set as insertion end, and the other end is set as blood sampling end, the setting at the test paper reverse side insertion end and blood sampling end and
The test paper front is on the contrary, the test paper middle layer is plastic substrate, and the tow sides of the plastic substrate are close to insertion end
Position is printed at least two strip electrodes, including two working electrodes respectively, and biological enzyme has been respectively coated in the position close to blood sampling end
Layer, two working electrodes extend to biological enzyme layer, are provided with adhesive layer around the biology enzyme layer, hydrophilic layer is covered by adhesive layer
Lid is bonded to the upper surface of biological enzyme layer.
2. a kind of test paper for detecting blood glucose according to claim 1, which is characterized in that the working electrode includes electrical contact
End, conductor section, biological enzyme contact jaw, the conductor section upper surface are coated with insulated paint.
3. a kind of test paper for detecting blood glucose according to claim 1, which is characterized in that the plastic substrate just, square two sides
It is printed with three strip electrodes, including two working electrodes and a response electrode respectively.
4. a kind of test paper for detecting blood glucose according to claim 1, which is characterized in that the biology enzyme layer is set as biology
Chip, the biochip and two working electrode conduction gluing knots.
5. a kind of test paper for detecting blood glucose according to claim 1, which is characterized in that the adhesive layer is discontinuous double
The combination of face glue-line.
6. a kind of test paper for detecting blood glucose according to claim 1, which is characterized in that the tow sides of the test paper also divide
The top layer for being bonded in hydrophilic layer outer surface Bao Kuo not covered.
Priority Applications (1)
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CN201920410277.XU CN208999349U (en) | 2019-03-28 | 2019-03-28 | A kind of test paper detecting blood glucose |
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CN201920410277.XU CN208999349U (en) | 2019-03-28 | 2019-03-28 | A kind of test paper detecting blood glucose |
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CN208999349U true CN208999349U (en) | 2019-06-18 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114308158A (en) * | 2021-12-30 | 2022-04-12 | 广东昭宇生物科技有限公司 | Preparation method of biological enzyme chip with flora balance and repair functions |
-
2019
- 2019-03-28 CN CN201920410277.XU patent/CN208999349U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114308158A (en) * | 2021-12-30 | 2022-04-12 | 广东昭宇生物科技有限公司 | Preparation method of biological enzyme chip with flora balance and repair functions |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190618 |
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