Multiplex detection kit
By designing a limiting frame, retaining column, L-shaped groove, and other structures for the multi-unit test kit, combined with a guide plate and adsorption sponge, the problems of cross-infection and detection accuracy caused by uneven solution distribution were solved, achieving stable detection and accurate reaction of various solutions.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TIANJIN AIDIKANG MEDICAL LAB CO LTD
- Filing Date
- 2025-05-15
- Publication Date
- 2026-05-01
AI Technical Summary
Existing multi-sample test kits suffer from uneven solution distribution when samples are added through the same port, leading to cross-infection and decreased test accuracy. Furthermore, the external environment can affect the reaction of the test strips.
A multi-component test kit was designed, comprising a base box, a top cover, a protective cover, and reagent paper. Stable installation is achieved through structures such as limiting frames, locking pillars, and L-shaped grooves. The solution is guided by a guide plate and an absorbent sponge to reduce cross-contamination, and the reaction status is observed through a transparent plate.
It enables simultaneous detection of multiple solutions, reduces the risk of cross-infection, improves the accuracy and stability of detection, and prevents external environmental factors from affecting reagent reactions.
Smart Images

Figure CN224190030U_ABST
Abstract
Description
A multi-test kit Technical Field
[0001] This utility model relates to the field of detection kit technology, specifically a multi-unit detection kit. Background Technology
[0002] Test kits are among the most commonly used instruments in in vitro diagnostics. In vitro test kits mainly diagnose by detecting antigens or antibodies in blood or body fluids.
[0003] The utility model with announcement number CN219695137U discloses a rapid multiplex test kit, which includes an upper box, a lower box, and multiple test strips installed on the lower box. The upper box and the lower box are interlocked. The surface of the upper box has a sample dispensing port and multiple observation ports. The observation ports are aligned with the display areas on the corresponding test strips. A connecting member is provided inside the upper box and below the sample dispensing port. The connecting member is connected to the detection areas of the multiple test strips.
[0004] The above technical solution can simultaneously detect multiple components in the sample solution and improve detection efficiency. However, when it is necessary to simultaneously detect and compare the corresponding components of different solutions, the same sample dispensing port cannot uniformly guide the detection solution to be distributed on the corresponding test strip. The high randomness affects the detection. Multiple solutions passing through the same sample dispensing port can cause cross-contamination and affect the accuracy of the detection. The solution needs a corresponding reaction time to contact the test strip. During this period, the contact of the external environment with the test strip cannot be reduced, and the impact of infection cannot be reduced. Summary of the Invention
[0005] The purpose of this invention is to provide a multi-detection kit to solve the problems mentioned in the background section.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] A multi-unit detection kit includes a base box with several sets of reagent detection structures in the middle. Each reagent detection structure includes a connecting box installed between an installation frame and the installation frame. A sample hopper is provided at the top left end of the connecting box. A groove is formed on the upper surface of the connecting box. A guide plate is provided at the left end of the groove. A reagent paper is provided at the right end of the guide plate. A top cover for snap-fit installation is provided on the top of the base box. A protective cover is provided on the top cover.
[0008] Furthermore, a round hole is provided on the upper surface of the top cover near the left end, corresponding to the sample hopper; an observation window is provided on the upper surface of the top cover corresponding to the reagent paper; and a limiting frame is provided on the lower surface of the top cover.
[0009] In this invention, the three sampling hoppers work together to facilitate the simultaneous testing of three sets of solutions. The circular holes also facilitate the installation of the top cover, allowing the top of the sampling hopper to extend out from the circular holes. The top of the limiting frame is bonded and fixed to the top cover, and the width of the outer wall of the limiting frame matches the width of the inner wall of the bottom box. With the help of the limiting frame, the top cover and the bottom box can be stably inserted and installed.
[0010] Specifically, the lower surface of the top cover is provided with a locking post near the four corners. The top of the locking post is integrally formed with the top cover. The top of the bottom box is provided with a slot corresponding to the locking post. The outer wall of the bottom box is provided with a slot communicating with the slot.
[0011] In this invention, the bottom of the card post is in the shape of a right-angled triangle, and the right-angled side of the card post is closely fitted to the top surface of the card slot. The thickness of the slot is adapted to the length of the right-angled side of the right-angled triangle at the bottom of the card post. When the right-angled triangle at the bottom of the card post is pressed, the bottom of the card post is retracted into the slot, which facilitates the separation of the top cover and the bottom box.
[0012] It should be noted that the mounting frames are evenly spaced, the bottom of the mounting frames is bonded and fixed to the bottom surface of the base box, the bottom of the inner wall of the mounting frames is also provided with an absorbent sponge, the connecting groove on the absorbent sponge is inserted and matched with the bottom of the connecting box, the sampling hopper is combined and fixed with the connecting box through a connecting block, and the width of the outer wall of the guide plate is adapted to the width of the inner wall of the groove.
[0013] In this invention, the adsorption sponge, in conjunction with the mounting frame, helps to absorb the solution overflowing from the connection box, preventing it from overflowing into the bottom box. The sample dispensing hopper facilitates the guidance of the solution to be tested into the connection box, and with the assistance of the guide plate, guides the solution onto the reagent paper for corresponding reverse processing.
[0014] Secondly, the left end of the guide plate is higher than the right end, the right end of the guide plate is closely fitted with the left end of the reagent paper, and the width of the outer wall of the reagent paper is adapted to the width of the inner wall of the groove.
[0015] In this invention, the left end of the guide plate is higher, and under the action of gravity, it guides the solution to approach the reagent paper to conduct the corresponding reagent reaction test.
[0016] It is worth adding that L-shaped grooves are provided on the upper surface of the top cover near the left edge, and L-shaped sliders are provided on the bottom of the protective cover at the corresponding L-shaped grooves. The L-shaped sliders are inserted into the L-shaped grooves.
[0017] In this invention, the width of the outer wall of the L-shaped slider is matched with the width of the inner wall of the L-shaped groove, which facilitates the insertion and connection of the protective cover and the top cover with the cooperation of the L-shaped slider.
[0018] In addition, a transparent plate is provided in the middle of the upper surface of the protective cover.
[0019] In this invention, the transparent plate is made of glass, which allows outsiders to observe the reaction state of the reagent paper inside through the transparent plate and the observation window.
[0020] Compared with the prior art, the beneficial effects of this utility model are:
[0021] 1. This utility model features a base box with multiple mounting frames, a connecting box mounted on an absorbent sponge, and reagent paper and a guide plate installed in the connecting box with a sample feeding hopper. The top cover is engaged with a slot on the base box via a locking post. The bottom of the locking post is pressed inward to facilitate separation of the top cover. The protective cover is engaged with an L-shaped sliding groove on the top cover via an L-shaped slider to protect the sample feeding hopper and reduce the impact of the external environment on the internal detection.
[0022] This invention uses a guide plate to guide the solution falling from the sample container onto the reagent paper for the corresponding reagent reaction. The limiting frame and the top cover work together to achieve a quick and stable connection between the top cover and the bottom box, increasing the stability of the installation. The transparent plate allows for easy observation of the reaction state of the reagent paper through the observation window. With multiple reagent papers, it is convenient to perform multiple solution tests simultaneously without interference. Attached Figure Description
[0023] Figure 1 is a schematic diagram of the overall structure of this utility model;
[0024] Figure 2 is a schematic diagram of the combined structure of the bottom box and the top cover of this utility model;
[0025] Figure 3 is a schematic diagram of the protective cover structure of this utility model;
[0026] Figure 4 is a schematic diagram of the top cover structure of this utility model;
[0027] Figure 5 is a schematic diagram of the bottom box and reagent paper separated in this utility model;
[0028] Figure 6 is a schematic diagram of the overall cross-sectional structure of this utility model.
[0029] The meanings of the labels in the diagram are as follows:
[0030] 1. Base box; 10. Mounting frame; 100. Absorbent sponge; 11. Connecting box; 110. Groove; 111. Sample placement hopper; 112. Guide plate; 113. Reagent paper; 12. Slot; 120. Card slot;
[0031] 2. Top cover; 20. Limiting frame; 21. Locking post; 22. L-shaped slide rail; 23. Round hole; 24. Observation window;
[0032] 3. Protective cover; 30. Transparent plate; 31. L-shaped slider. Detailed Implementation
[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0034] Please refer to Figures 1-6. This embodiment provides a technical solution:
[0035] A multi-unit detection kit includes a base box 1 with several sets of reagent detection structures in the middle. Each reagent detection structure includes a mounting frame 10 and a connecting box 11 installed between the mounting frames 10. A sample placement hopper 111 is provided at the top left end of the connecting box 11. A groove 110 is formed on the upper surface of the connecting box 11. A guide plate 112 is provided at the left end of the groove 110, and a reagent paper 113 is provided at the right end of the guide plate 112. The mounting frames 10 are evenly spaced and their bottoms are bonded to the bottom surface of the base box 1. An absorbent sponge 100 is also provided at the bottom of the inner wall of the mounting frame 10. A connecting groove on the absorbent sponge 100 is inserted into the bottom of the connecting box 11. The sample placement hopper 111 is combined and fixed to the connecting box 11 by a connecting block. The width of the outer wall of the guide plate 112 is adapted to the width of the inner wall of the groove 110.
[0036] In this invention, the absorbent sponge 100 cooperates with the mounting frame 10 to help absorb the solution overflowing from the connection box 11 and prevent it from overflowing into the bottom box 1. The sample container 111 facilitates the guidance of the solution to be tested into the connection box 11, and with the cooperation of the guide plate 112, guides the solution into the reagent paper 113 for corresponding reverse operation.
[0037] Furthermore, the left end of the guide plate 112 is higher than the right end, the right end of the guide plate 112 is in close contact with the left end of the reagent paper 113, and the width of the outer wall of the reagent paper 113 is adapted to the width of the inner wall of the groove 110.
[0038] In this invention, the left end of the guide plate 112 is higher, and under the action of gravity, it guides the solution to approach the reagent paper 113 to perform the corresponding reagent reaction test.
[0039] Specifically, the bottom box 1 is provided with a top cover 2 for snap-fit installation, and a protective cover 3 is provided on the top cover 2.
[0040] Furthermore, a round hole 23 is provided on the upper surface of the top cover 2 near the left end, corresponding to the sample hopper 111; an observation window 24 is provided on the upper surface of the top cover 2 corresponding to the reagent paper 113; and a limiting frame 20 is provided on the lower surface of the top cover 2.
[0041] In this utility model, the cooperation of the three sampling hoppers 111 facilitates the simultaneous detection and sampling of three sets of solutions. The cooperation of the circular hole 23 facilitates the installation of the top cover 2, with the top of the sampling hopper 111 extending out of the circular hole 23. The top of the limiting frame 20 is bonded and fixed to the top cover 2. The width of the outer wall of the limiting frame 20 is adapted to the width of the inner wall of the bottom box 1. With the cooperation of the limiting frame 20, the top cover 2 and the bottom box 1 are stably inserted and installed.
[0042] It should be noted that the bottom surface of the top cover 2 is provided with a locking post 21 near the four corners. The top of the locking post 21 is integrally formed with the top cover 2. The top of the bottom box 1 is provided with a slot 12 corresponding to the locking post 21. The outer wall of the bottom box 1 is provided with a slot 120 communicating with the slot 12.
[0043] In this utility model, the bottom of the card post 21 is in the shape of a right-angled triangle, and the right-angled side of the card post 21 is closely fitted to the top surface of the card slot 120. The thickness of the slot 12 is adapted to the length of the right-angled side of the right-angled triangle at the bottom of the card post 21. When the right-angled triangle at the bottom of the card post 21 is pressed, the bottom of the card post 21 is retracted into the slot 12, which facilitates the separation of the top cover 2 and the bottom box 1.
[0044] Furthermore, L-shaped grooves 22 are provided on the upper surface of the top cover 2 near the left edge, and L-shaped sliders 31 are provided on the bottom of the protective cover 3 corresponding to the L-shaped grooves 22. The L-shaped sliders 31 are inserted into the L-shaped grooves 22.
[0045] In this utility model, the width of the outer wall of the L-shaped slider 31 is adapted to the width of the inner wall of the L-shaped groove 22. With the cooperation of the L-shaped slider 31, it is convenient for the protective cover 3 and the top cover 2 to be inserted and cooperated.
[0046] In addition, a transparent plate 30 is provided in the middle of the upper surface of the protective cover 3.
[0047] In this invention, the transparent plate 30 is made of glass, which allows outsiders to observe the reaction state of the reagent paper 113 through the transparent plate 30 and the observation window 24.
[0048] When using the multi-test kit of this embodiment, firstly, the mounting frame 10 with absorbent sponge 100 is glued and fixed to the bottom box 1. Then, the guide plate 112 with reagent paper 113 is installed at the bottom of the groove 110 in the connecting box 11 with sample hopper 111. Then, the top cover 2 with round hole 23 and observation window 24 is inserted and matched with the bottom box 1 through the limiting frame 20. The sample hopper 111 passes through the round hole 23, and the bottom of the locking post 21 on the top cover 2 is inserted into the slot 12. The triangular protrusion at the bottom of the locking post 21 extends into the slot 120.
[0049] When multiple solutions need to be tested simultaneously, the solutions are placed into different sample containers 111 through corresponding droppers. The solutions enter the guide plate 112 and are guided into the reagent paper 113 under gravity for reagent reaction. Then, the protective cover 3 with a transparent plate 30 is connected to the L-shaped slide groove 22 through the L-shaped slider 31. The protective cover 3 protects the top cover 2 and reduces the entry of dust particles and water droplets from the sample container 111 into the interior, which would affect the reagent reaction of the reagent paper 113.
Claims
1. A multi-detection kit, comprising a bottom box, characterized in that: The bottom box has several sets of reagent detection structures in the middle. Each reagent detection structure includes a connecting box installed between the mounting frames. The top left end of the connecting box has a sample hopper. The upper surface of the connecting box has a groove. The left end of the groove has a guide plate. The right end of the guide plate has a reagent paper. The bottom box has a top cover for snap-fit installation. A protective cover is provided on the top cover.
2. The multi-detection kit according to claim 1, characterized in that: A round hole is provided on the upper surface of the top cover near the left end, corresponding to the sample hopper. An observation window is provided on the upper surface of the top cover corresponding to the reagent paper. A limiting frame is provided on the lower surface of the top cover.
3. The multi-detection kit according to claim 2, characterized in that: The bottom surface of the top cover is provided with a locking post near the four corners. The top of the locking post is integrally formed with the top cover. The top of the bottom box is provided with a slot corresponding to the locking post. The outer wall of the bottom box is provided with a slot communicating with the slot.
4. The multi-detection kit according to claim 1, characterized in that: The mounting frames are evenly spaced, and the bottom of the mounting frames is bonded and fixed to the bottom surface of the base box. The bottom of the inner wall of the mounting frame is also provided with an absorbent sponge. The connecting groove on the absorbent sponge is inserted and matched with the bottom of the connecting box. The sampling hopper is combined and fixed with the connecting box through a connecting block. The width of the outer wall of the guide plate is adapted to the width of the inner wall of the groove.
5. The multi-detection kit according to claim 4, characterized in that: The left end of the guide plate is higher than the right end, the right end of the guide plate is in close contact with the left end of the reagent paper, and the width of the outer wall of the reagent paper is adapted to the width of the inner wall of the groove.
6. The multi-detection kit according to claim 1, characterized in that: The top surface of the top cover has L-shaped grooves near the left edge, and the bottom of the protective cover has L-shaped sliders corresponding to the L-shaped grooves. The L-shaped sliders are inserted into the L-shaped grooves.
7. The multi-detection kit according to claim 1, characterized in that: A transparent plate is provided in the middle of the upper surface of the protective cover.
Citation Information
Patent Citations
Rapid multi-connection detection kit
CN219695137U