Detection kit

Abstract

The utility model discloses a detection kit, which belongs to the technical field of detection devices and comprises a shell, electrochemical test paper and a contact plate, one end of the electrochemical test paper and one end of the contact plate are both arranged in the shell, a liquid leakage hole is arranged on the shell, the electrochemical test paper is arranged on the side edge of the liquid leakage hole, and the contact plate is arranged on the shell. The electrochemical test paper is electrically connected with the contact plate, the other end of the contact plate is exposed out of the shell, a reagent enters the shell through the liquid leakage hole and enters the electrochemical test paper, so that the electrochemical test paper generates a measurable electric signal, the electric signal is conducted to the contact plate, and the contact plate can be connected with an electrochemical workstation or a portable reading instrument. And accurate values of specific components in the reagent are analyzed through an electrochemical workstation or a portable reading instrument, and due to the reasonable structural design, the detection kit is convenient for home detection and high in detection sensitivity, and the specificity is not easily influenced.

Description

Technical Field

[0001] This utility model belongs to the field of detection device technology, and in particular relates to detection kits. Background Technology

[0002] A test kit is a collection of tools used to detect specific substances or biological indicators. It contains built-in test reagents, which are reagents used to detect, diagnose, and monitor diseases, pathogens, antibodies, physiological and biochemical parameters, etc. For example, nucleic acid test reagents are an important tool for nucleic acid testing, mainly used to determine whether a person is infected with a specific virus; biochemical test reagents (alanine transaminase test reagents, urine protein test reagents) are used to detect biochemical indicators in biological samples such as blood and urine, such as liver function, kidney function, blood glucose, cholesterol, etc.

[0003] Currently, the detection of urinary protein components is mainly carried out in electrochemical laboratories, but home testing is also sometimes performed. In electrochemical laboratories, instruments such as pipettes, measuring tools, standard chemical reagents, and pH meters are commonly used, making it easy to obtain test results. However, in home testing, simple urinary protein test strips are mainly used. The sensitivity and specificity of urinary protein test strips are not as good as laboratory tests, and false positive or false negative results are more likely to occur. Users may affect the accuracy of the results due to improper operation when using the test strips (such as soaking time that is too long or too short).

[0004] Therefore, there is a lack of a test kit in the existing technology that allows for convenient home testing and whose sensitivity and specificity are not easily affected. Utility Model Content

[0005] To address the lack of a test kit that allows for convenient home testing while maintaining high sensitivity and specificity, this invention provides a test kit that allows for convenient home testing while maintaining high sensitivity and specificity.

[0006] The technical solution of this utility model is as follows:

[0007] The present invention provides a test kit comprising a housing, an electrochemical test paper, and a contact plate. One end of the electrochemical test paper and one end of the contact plate are both disposed inside the housing. The housing has a leakage hole, and the electrochemical test paper is disposed on the side of the leakage hole. The electrochemical test paper is electrically connected to the contact plate, and the other end of the contact plate is exposed outside the housing.

[0008] Furthermore, it also includes fiberglass cotton sheets, which are disposed on both sides of the electrochemical test paper, and the leakage hole is located on the side of the fiberglass cotton sheets.

[0009] Furthermore, the housing is provided with a cutting head, which is opposite to the contact plate.

[0010] Furthermore, one end of the contact plate is provided with a through-hole welding pin, which pierces and electrically connects to the electrochemical test paper.

[0011] Furthermore, the electrochemical test paper is provided with a conductive printed layer, and the through-hole welding needle punctures and electrically connects to the conductive printed layer.

[0012] Furthermore, a gold finger is provided on the other end of the contact plate.

[0013] Furthermore, the housing is provided with a plurality of protruding posts, and the contact plate is provided with a circular hole, through which the protruding posts pass.

[0014] The beneficial effects of this utility model are as follows:

[0015] A test kit is designed to house an electrochemical test strip and a contact plate within a housing. The housing has a leakage hole through which reagents enter the housing and then the electrochemical test strip, generating a measurable electrical signal. This signal is transmitted to the contact plate, which can be connected to an electrochemical workstation or a portable reading instrument. The workstation or instrument then analyzes the reagents to determine the precise values ​​of specific components. Due to its rational structural design, the test kit is convenient for home testing, has high sensitivity, and its specificity is not easily affected. Attached Figure Description

[0016] Figure 1 This is an exploded structural diagram of Example 1 of the detection kit of this utility model. Figure 1 ;

[0017] Figure 2 This is a schematic diagram of the overall structure of Example 1 of the detection kit of this utility model;

[0018] Figure 3 This is a cross-sectional structural diagram of Example 1 of the detection kit of this utility model;

[0019] Figure 4 This is an exploded structural diagram of Example 1 of the detection kit of this utility model. Figure 2 ;

[0020] Figure 5 This is a schematic diagram of the overall structure of Example 2 of the detection kit of this utility model;

[0021] Reference numerals: 1. Shell, 11. Leakage hole, 12. Cutting head, 13. Protrusion, 2. Electrochemical test paper, 21. Conductive printed layer, 3. Contact plate, 31. Through hole welding pin, 32. Gold finger, 33. Round hole, 4. Fiberglass cotton sheet. Detailed Implementation

[0022] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0023] It should be noted that when a component is referred to as "mounted on", "set on", "covered on", "sleeved on", or "locked on" another component, it can be directly on the other component or indirectly on the other component.

[0024] It should be understood that in the description of this utility model, "several" means two or more, unless otherwise explicitly specified.

[0025] Furthermore, the terms “inner,” “upper,” “between,” “both sides,” “one side,” “top,” “bottom,” “side,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] It should be noted that the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first," "second," "third," etc., may explicitly or implicitly include one or more of that feature.

[0027] It should be noted that the "and / or" in this article is merely a description of the relationship between related objects, indicating that there can be three relationships. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Here, A and B can be singular or plural, respectively.

[0028] Example 1

[0029] Please refer to Figures 1-4This invention provides a test kit, comprising a housing 1, an electrochemical test paper 2, and a contact plate 3. The electrochemical test paper 2 uses screen-printed electrodes or laser-induced graphene electrodes, which contact the reagent to generate a measurable electrical signal (such as current or voltage). The contact plate 3 is a PCB board made of FR-4 that connects the electrochemical test paper 2 and an electrochemical workstation, serving a conductive function. One end of both the electrochemical test paper 2 and the contact plate 3 is located inside the housing 1. The housing 1 has a leakage hole 11, and the electrochemical test paper 2 is located on the side of the leakage hole 11. The leakage hole 11 is used for reagent collection and introduces the reagent into the electrode kit, where the reagent contacts the electrochemical test paper 2. The electrochemical test paper 2 is electrically connected to the contact plate 3, and the other end of the contact plate 3 is exposed outside the housing 1, thus facilitating connection of the contact plate 3 to an electrochemical workstation or a portable reading instrument.

[0030] During use, the reagent enters the housing 1 through the leakage hole 11 and enters the electrochemical test paper 2, causing the electrochemical test paper 2 to generate a measurable electrical signal. The electrical signal is transmitted to the contact plate 3, which can be connected to an electrochemical workstation or portable reading instrument. The electrochemical workstation or portable reading instrument can then analyze the precise value of the specific component in the reagent. Due to its reasonable structural design, the test kit is convenient for home testing, has high detection sensitivity, and its specificity is not easily affected.

[0031] When the electrochemical test paper 2 uses a laser-induced graphene electrode, if the electrochemical test paper 2 is directly exposed below the leakage hole 11, when a large amount of reagent is collected, the reagent will impact the laser-induced graphene electrode, causing the graphene to fall off and reducing the accuracy of the detection. Therefore, this test kit also includes a glass fiber cotton sheet 4, which is located on both sides of the electrochemical test paper 2, and the leakage hole 11 is located on the side of the glass fiber cotton sheet 4. The upper and lower glass fiber cotton sheets 4 can clamp the electrochemical test paper 2, which has two functions: first, to protect and fix the fragile graphene layer on the laser-induced graphene test paper so that it does not fall off; second, when collecting reagents, the liquid adsorption of the glass fiber cotton sheet 4 can provide a fixed volume of reagent adsorption.

[0032] Specifically, the structure of the contact plate 3 is as follows: one end of the contact plate 3 is provided with a through-hole welding pin 31, which pierces and electrically connects to the electrochemical test paper 2; the electrochemical test paper 2 is provided with a conductive printed layer 21, and the through-hole welding pin 31 pierces and electrically connects to the conductive printed layer 21; this further ensures that the electrochemical test paper 2 can conduct electricity; the other end of the contact plate 3 is provided with a gold finger 32, which is used to connect to an electrochemical workstation or a portable reading instrument.

[0033] Furthermore, the housing 1 is provided with a plurality of protruding posts 13, and the contact plate 3 is provided with a circular hole 33, through which the protruding posts 13 pass. This structural design provides the contact plate 3 with sufficient mechanical force.

[0034] When the test kit is used as a urine electrochemical test kit to detect urinary protein components, the specific steps for using this test kit are as follows:

[0035] S1: When urinating, place the leakage hole 11 in the urine stream, or immerse the leakage hole 11 in the urine of the urine collection container for a period of time until the internal fiberglass cotton sheet 4 fully absorbs the urine, and then take out the test kit. During this process, it is necessary to avoid the gold fingers 32 of the end contact plate 3 from contacting the urine.

[0036] S2: Place the test kit upright and wait for excess urine to drip out along the direction of the cutter until the dripping stops;

[0037] S3: Connect the electrochemical workstation to the gold fingers 32 of the contact plate 3 at the end of the electrode kit, apply the voltage according to the preset program of the electrochemical workstation to start the experiment, and thus analyze the precise value of urinary protein in the urine.

[0038] Compared to using urine protein test strips, which are easily contaminated, the above-mentioned test kit is convenient and quick to use, easy for home testing, and has high sensitivity and specificity.

[0039] Furthermore, current technologies for measuring the concentration of new indicators using electrochemical workstations, particularly those for non-enzymatic catalysts in bioassays, require dilution of the analyte in the electrolytic cell and control of its pH value. Therefore, after collecting the reagents, the test kits also need to be diluted before analysis.

[0040] The housing 1 is equipped with a cutting head 12, which is opposite to the contact plate 3. The cutting head 12 is used to break open the cap of the bottle containing the diluent during reagent dilution, and then directly dilute the reagent on the electrochemical test paper 2.

[0041] Example 2

[0042] Reference Figure 5 Compared with Example 1, the housing 1 does not have a cutting head 12, that is, when there is no need to dilute the reagent, there is no need to design a cutting head 12.

[0043] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A test kit, characterized in that, The device includes a housing (1), an electrochemical test paper (2), and a contact plate (3). One end of the electrochemical test paper (2) and the contact plate (3) are both located inside the housing (1). The housing (1) has a leakage hole (11). The electrochemical test paper (2) is located on the side of the leakage hole (11). The electrochemical test paper (2) is electrically connected to the contact plate (3). The other end of the contact plate (3) is exposed outside the housing (1).

2. The detection kit according to claim 1, characterized in that, It also includes a glass fiber cotton sheet (4), which is disposed on both sides of the electrochemical test paper (2), and the leakage hole (11) is located on the side of the glass fiber cotton sheet (4).

3. The detection kit according to claim 1, characterized in that, The housing (1) is provided with a cutting head (12), which is opposite to the contact plate (3).

4. The detection kit according to claim 1, characterized in that, One end of the contact plate (3) is provided with a through-hole welding needle (31), which pierces and electrically connects to the electrochemical test paper (2).

5. The detection kit according to claim 4, characterized in that, The electrochemical test paper (2) is provided with a conductive printed layer (21), and the through-hole welding needle (31) pierces and electrically connects to the conductive printed layer (21).

6. The detection kit according to claim 5, characterized in that, The other end of the contact plate (3) is provided with gold fingers (32).

7. The detection kit according to claim 1, characterized in that, The housing (1) is provided with a plurality of protrusions (13), and the contact plate (3) is provided with a round hole (33), and the protrusions (13) pass through the round hole (33).

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