Group A streptococcus detection kit

Abstract

The utility model discloses a group A streptococcus detection kit, and relates to the field of detection, the group A streptococcus detection kit comprises a bottom plate and a cover plate, the bottom plate is provided with a detection assembly used for detecting group A streptococcus, the cover plate is provided with a sample introduction assembly used for controlling the sample dripping amount, the sample introduction assembly comprises a sample introduction port formed in the cover plate, and the sample introduction port is provided with a sample inlet; through cooperative arrangement of the volume control tube, the annular stop block, the conical sealing block and other structures, during use, a sample is dropped into the volume control tube, the sample can be prevented from directly passing through the sample inlet through the conical sealing block and the annular stop block, and the volume control tube is prevented from being separated from the sample inlet through the conical sealing block and the annular stop block. Then the injection amount of a sample is controlled according to a marking line, a cross plate is pressed to drive a connecting rod to downwards press a conical sealing block, so that the conical sealing block is separated from an annular stop block, the sample is in contact with a detection assembly through a sample inlet, the sample is detected, and the problems that the amount of the dropped sample is difficult to control, excessive dropped sample overflows easily, and the detection accuracy is high are avoided as much as possible. And the use is influenced.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of detection, and in particular to a group A streptococcus detection kit. BACKGROUND

[0002] Group A streptococcus, also known as pyogenic streptococcus, is an important pathogen of human beings worldwide. It can not only cause infection alone, but also cause mixed infection with other pyogenic bacteria. If patients, especially children, do not receive anti-infection treatment in time, they are prone to acute pharyngitis, pyogenic disease, toxic shock syndrome, invasive fasciitis, scarlet fever, pneumonia, erysipelas and allergic diseases, such as acute rheumatic fever, rheumatic heart disease, acute glomerulonephritis, etc.

[0003] The published invention patent proposes a group A streptococcus quantum dot immunochromatographic detection reagent card and a preparation method thereof. The card comprises a box body with a box cover, a detection test paper is arranged in the box body, the detection test paper comprises a bottom plate, a sample pad, an anti-group A streptococcus antibody quantum dot marker pad, a coated membrane and a water absorption pad are sequentially connected on the bottom plate, the coated membrane is provided with a group A streptococcus antibody detection area T line and a goat anti-rabbit polyclonal antibody quality control area C line, and the two lines are arranged in parallel.

[0004] In the above-mentioned group A streptococcus quantum dot immunochromatographic detection reagent card and the preparation method thereof, when used, the sample needs to be dropped from the sample adding hole, but it is difficult to control the amount of the dropped sample, and too much sample is prone to be dropped and overflowed, thereby affecting the use. Content of the utility model

[0005] In order to solve the above-mentioned problems, the present application provides a group A streptococcus detection kit.

[0006] The group A streptococcus detection kit provided by the present application adopts the following technical scheme:

[0007] A group A streptococcus detection kit, comprising a bottom plate and a cover plate, wherein the bottom plate is provided with a detection assembly for detecting group A streptococcus, and the cover plate is provided with a sample inlet assembly for controlling the amount of sample drop, the sample inlet assembly comprises a sample inlet opening formed in the cover plate, a control amount tube is fixedly connected above the sample inlet opening on the upper surface of the cover plate, an annular stopper is fixedly connected to the inner wall of the control amount tube, four annular arrays of moving grooves are formed at the top end of the inner wall of the control amount tube, springs are fixedly connected in the moving grooves, a cross plate is arranged at the top end of the control amount tube, the cross plate is located in the moving grooves at four ends and is fixedly connected with the springs, a connecting rod is fixedly connected to the lower surface of the cross plate, a conical sealing block is fixedly connected to the end of the connecting rod away from the cross plate and penetrates through the annular stopper, the top of the conical sealing block abuts against the annular stopper, and a marking line for prompting the injection amount is marked on the side wall of the control amount tube.

[0008] By adopting the technical scheme, when in use, the user first drips the sample into the burette, the conical sealing block and the annular stopper can prevent the sample from directly entering the sample inlet, then the user controls the injection amount of the sample according to the marking line, and then the user presses the cross plate to make the spring contract, drive the connecting rod to press the conical sealing block downward, make the conical sealing block and the annular stopper disengage from abutting, and make the sample contact the detection assembly through the sample inlet to detect the sample, so as to avoid the problem that it is difficult to control the amount of the sample to be dripped, the sample is easy to be dripped too much and overflow, and the use is affected.

[0009] Preferably, the detection assembly comprises a sample pad fixedly connected to the upper surface of the bottom plate, the sample pad is located below the sample inlet, the upper surface of the bottom plate is fixedly connected with an anti-group A streptococcus antibody quantum dot marker pad, a coating film and a water absorption pad in sequence on one side of the sample pad, the coating film is provided with a group A streptococcus antibody detection area T line and a goat anti-rabbit polyclonal antibody quality control area C line, and the coating film is connected with the water absorption pad and the anti-group A streptococcus antibody quantum dot marker pad in mutual overlap at both ends.

[0010] By adopting the technical scheme, the sample is dripped from the sample inlet to the sample pad, and then the sample is detected through the anti-group A streptococcus antibody quantum dot marker pad, the coating film and the water absorption pad.

[0011] Preferably, an observation port is formed in the upper surface of the cover plate above the coating film.

[0012] By adopting the technical scheme, the detection result of the sample can be observed through the observation port.

[0013] Preferably, a guide rod is arranged in each spring, one end of the guide rod is fixedly connected with the cross plate, and the other end of the guide rod penetrates through the bottom wall of the moving groove and is slidably arranged.

[0014] By adopting the technical scheme, the stability of the spring can be improved through the guide rod, the spring is prevented from being bent, the cross plate is prevented from being inclined, the conical sealing block is prevented from being unable to abut against the annular stopper, and the sample in the burette is prevented from leaking.

[0015] Preferably, an overflow pipe is fixedly connected to the side wall of the burette above the marking line, and a collection box is fixedly connected to the end of the overflow pipe away from the burette.

[0016] By adopting the technical scheme, when the sample added into the burette exceeds the marking line, the sample can flow into the collection box through the overflow pipe, the sample is prevented from being added too much and overflowing from the top of the burette, and the use is affected.

[0017] Preferably, the upper surface of the annular block is a flow guide slope.

[0018] By adopting the technical scheme, the flow guide slope of the upper surface of the annular block can prevent the sample from remaining on the annular block.

[0019] In summary, the present application has at least one of the following beneficial technical effects:

[0020] 1. The present application is provided by the cooperation of the structures such as the control tube, the annular block and the conical sealing block. When in use, the user first drops the sample into the control tube. The conical sealing block and the annular block can prevent the sample from directly entering the sample inlet. Then, the user controls the injection amount of the sample according to the marking line. After that, the user presses the cross plate to make the spring contract, drives the connecting rod to press the conical sealing block downward, makes the conical sealing block and the annular block disengage from abutting, and makes the sample contact the detection assembly through the sample inlet to detect the sample. The present application can avoid the problem that it is difficult to control the amount of the dropped sample and the sample is easy to be dropped too much to overflow and affect the use.

[0021] 2. When the sample added into the control tube exceeds the marking line, the sample can directly flow into the collection box through the overflow pipe, which can prevent the sample from overflowing from the top of the control tube and affecting the use. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 FIG. 1 is a schematic diagram of the overall structure of a group A streptococcus detection kit according to an embodiment of the present application;

[0023] Figure 2 FIG. 2 is a schematic diagram of the main embodiment of the explosion structure according to the embodiment of the present application;

[0024] Figure 3 FIG. 3 is a schematic diagram of the internal structure of the control tube according to the embodiment of the present application;

[0025] Figure 4 FIG. 4 is a schematic diagram of the main embodiment of the control tube according to the embodiment of the present application; Figure 3 FIG. 5 is a schematic diagram of the enlarged structure of area A according to the embodiment of the present application.

[0026] Mark: 1, bottom plate; 2, cover plate; 3, sample inlet; 4, control tube; 5, annular block; 6, moving groove; 7, spring; 8, cross plate; 9, connecting rod; 10, conical sealing block; 11, marking line; 12, sample pad; 13, anti-group A streptococcus antibody quantum dot marker pad; 14, coating film; 15, water absorption pad; 16, group A streptococcus antibody detection area T line; 17, goat anti-rabbit polyclonal antibody quality control area C line; 18, observation port; 19, guide rod; 20, overflow pipe; 21, collection box. DETAILED DESCRIPTION

[0027] The following will be described in detail with reference to the accompanying drawings. Figures 1-4The application is further described in detail.

[0028] The application discloses a streptococcus group A detection kit.

[0029] Referring to Figure 2 , Figure 3 and Figure 4 , the streptococcus group A detection kit comprises a bottom plate 1 and a cover plate 2, the bottom plate 1 is provided with a detection assembly for detecting streptococcus group A, the cover plate 2 is fixedly connected to the upper surface of the bottom plate 1, and the cover plate 2 is provided with a sample inlet assembly for controlling the sample drop amount, the sample inlet assembly comprises a sample inlet 3, a quantity control pipe 4, an annular stop block 5, a moving groove 6, a spring 7, a cross plate 8, a connecting rod 9, a conical sealing block 10 and a marking line 11.

[0030] The sample inlet 3 is formed in the upper surface of the cover plate 2 and used for inputting the sample into the detection assembly, the quantity control pipe 4 is fixedly connected to the upper surface of the cover plate 2 and located above the sample inlet 3, the quantity control pipe 4 is a pipeline made of transparent material, which facilitates personnel to observe the sample amount in the quantity control pipe 4, the annular stop block 5 is fixedly connected to the inner wall bottom end of the quantity control pipe 4, the moving groove 6 is provided with four moving grooves and formed in the inner wall top end of the quantity control pipe 4 in a ring array distribution, the moving groove 6 is vertically arranged and the top end is provided with an opening, the spring 7 is provided with four springs and fixedly connected in the moving groove 6 respectively, the cross plate 8 is arranged at the inner top end of the quantity control pipe 4, the four ends of the cross plate 8 are located in the moving groove 6 and fixedly connected with the spring 7, the connecting rod 9 is fixedly connected to the center of the lower surface of the cross plate 8, one end of the connecting rod 9 away from the cross plate 8 penetrates through the annular stop block 5 and fixedly connected with the conical sealing block 10, the top of the conical sealing block 10 abuts against the annular stop block 5, which is used for closing the bottom end of the quantity control pipe 4, and the marking line 11 is marked on the side wall of the quantity control pipe 4 and used for prompting the sample injection amount.

[0031] Referring to Figure 1 and Figure 2 , the detection assembly comprises a sample pad 12 fixedly connected to the upper surface of the bottom plate 1, the sample pad 12 is located below the sample inlet 3, the upper surface of the bottom plate 1 is provided with an anti-streptococcus group A antibody quantum dot marker pad 13, a coated film 14 and a water absorption pad 15 fixedly connected in sequence at one side of the sample pad 12, the coated film 14 is provided with a streptococcus group A antibody detection area T line 16 and a goat anti-rabbit polyclonal antibody quality control area C line 17, and the two ends of the coated film 14 are connected with the water absorption pad 15 and the anti-streptococcus group A antibody quantum dot marker pad 13 respectively, one end of the anti-streptococcus group A antibody quantum dot marker pad 13 is connected with the sample pad 12, the sample is dropped from the sample inlet 3 to the sample pad 12, and then the sample can be detected through the anti-streptococcus group A antibody quantum dot marker pad 13, the coated film 14 and the water absorption pad 15.

[0032] Referring to Figure 1 and Figure 2The upper surface of the cover plate 2 is provided with an observation hole 18 above the coating film 14, and the detection result of the sample can be observed through the observation hole 18.

[0033] With reference to Figure 3 and Figure 4 The spring 7 is provided with a guide rod 19, one end of the guide rod 19 is fixedly connected with the cross plate 8, and the other end of the guide rod 19 penetrates through the bottom wall of the moving groove 6 and is slidably arranged, the stability of the spring 7 can be improved through the guide rod 19, the spring 7 is prevented from being bent, the cross plate 8 is prevented from being inclined, the conical sealing block 10 is prevented from being unable to abut against the annular blocking block 5, and the sample in the burette 4 is prevented from leaking.

[0034] With reference to Figure 1 and Figure 3 The side wall of the burette 4 is fixedly connected with an overflow pipe 20 above the mark line 11, one end of the overflow pipe 20 away from the burette 4 is fixedly connected with a collection box 21, when the sample added into the burette 4 exceeds the mark line 11, the sample can directly flow into the collection box 21 through the overflow pipe 20, the sample is prevented from being added too much and overflowing from the top of the burette 4, and the use is affected.

[0035] With reference to Figure 3 The upper surface of the annular blocking block 5 is a flow guide inclined surface, the sample can be prevented from being left on the annular blocking block 5 through the flow guide inclined surface of the upper surface of the annular blocking block 5.

[0036] The implementation principle of the streptococcus A detection kit in the embodiment of the application is as follows: when used, a user first drips the sample into the burette 4, the sample is prevented from directly flowing into the sample pad 12 through the sample inlet 3 through the conical sealing block 10 and the annular blocking block 5, then the sample injection amount is controlled according to the mark line 11, when the sample injection amount is too much, the sample can directly flow into the collection box 21 through the overflow pipe 4, the sample is prevented from being added too much and being difficult to take out or overflowing from the top of the burette 20, the use is affected, then the cross plate 8 is pressed, the spring 7 is contracted, the connecting rod 9 is pressed downward to press the conical sealing block 10, the conical sealing block 10 is separated from the annular blocking block 5, the sample drips onto the sample pad 12 through the sample inlet 3, then the sample is detected through the anti-streptococcus A antibody quantum dot marker pad 13, the coating film 14 and the water absorption pad 15, and the problem that the sample is difficult to control and is easy to drip too much and overflow is avoided.

[0037] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so: any equivalent changes made on the structure, shape and principle of the application should be covered in the protection scope of the application.

Claims

1. A streptococcus group A detection kit, comprising a bottom plate (1) and a cover plate (2), wherein the bottom plate (1) is provided with a detection assembly for detecting streptococcus group A, and the cover plate (2) is provided with a sample inlet assembly for controlling the sample drop amount, characterized in that: The sample injection assembly includes a sample inlet (3) formed on the cover plate (2), the upper surface of the cover plate (2) is fixedly connected with a control tube (4) above the sample inlet (3), the inner wall of the control tube (4) is fixedly connected with an annular stop block (5), four annular arrays of moving grooves (6) are formed on the top end of the inner wall of the control tube (4), springs (7) are fixedly connected in the moving grooves (6), a cross plate (8) is arranged on the top end of the control tube (4), the four ends of the cross plate (8) are respectively located in the moving grooves (6) and are fixedly connected with the springs (7), a connecting rod (9) is fixedly connected with the lower surface of the cross plate (8), one end of the connecting rod (9) away from the cross plate (8) penetrates through the annular stop block (5) and is fixedly connected with a tapered sealing block (10), the top of the tapered sealing block (10) abuts against the annular stop block (5), and a marking line (11) for prompting the injection amount is marked on the side wall of the control tube (4).

2. The group A streptococcal detection kit according to claim 1, characterized by: The detection assembly includes a sample pad (12) fixedly connected to the upper surface of the bottom plate (1), the sample pad (12) is located below the sample inlet (3), the upper surface of the bottom plate (1) is sequentially fixedly connected with an anti-group A streptococcus antibody quantum dot labeled pad (13), a coating film (14) and a water absorption pad (15) on one side of the sample pad (12), and the coating film (14) is provided with a group A streptococcus antibody detection area T line and a goat anti-rabbit polyclonal antibody quality control area C line (16).

3. The group A streptococcal detection kit according to claim 2, characterized in that: The coating film (14) is connected with the water absorption pad (15) and the anti-group A streptococcus antibody quantum dot labeled pad (13) at two ends, and one end of the anti-group A streptococcus antibody quantum dot labeled pad (13) is connected with the sample pad (12).

4. The group A streptococcal detection kit according to claim 3, characterized by: An observation port (17) is formed on the upper surface of the cover plate (2) above the coating film (14).

5. The group A streptococcal detection kit according to claim 4, characterized by: Each spring (7) is provided with a guide rod (18), one end of the guide rod (18) is fixedly connected with the cross plate (8), and the other end of the guide rod (18) penetrates through the bottom wall of the moving groove (6) and is slidably arranged.

6. The group A streptococcal detection kit according to claim 5, characterized by: An overflow pipe (19) is fixedly connected to the side wall of the control tube (4) above the marking line (11), and one end of the overflow pipe (19) away from the control tube (4) is fixedly connected with a collection box (20).

7. The group A streptococcal detection kit according to claim 6, characterized in that: The upper surface of the annular stop block (5) is a flow guide slope.

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