Biological detection sheet with sterile normal saline membrane capsule structure

Abstract

The utility model provides a biological detection piece with a sterile normal saline membrane capsule structure, which comprises a carrier plate, a cover piece and adding components, a plurality of adding components are movably placed on the upper side of the carrier plate, the cover piece is movably placed on the upper side of the carrier plate, the upper surface of the carrier plate is sunken downwards to form a detection piece groove, and the upper side of the carrier plate is provided with a sterile normal saline membrane capsule. Compared with the prior art, the device disclosed by the utility model has the following beneficial effects that the carrier plate and the cover plate are arranged to prevent germs in an external environment from polluting the detection chip, and the assembly is additionally arranged, so that after the membrane bag is pressed, the sterile normal saline stored in the membrane bag overcomes the tension of water, and the detection chip is prevented from being polluted by the germs in the external environment; the sterile normal saline enters the adding pipe from the connecting pipe and the arc pipe, and then the sterile normal saline is added to the edge of the detection chip from the tail end of the adding pipe, so that the purposes that the sterile normal saline can be added without opening the cover plate in the detection process, a sample is prevented from being in contact with air in the detection process, the pollution risk is greatly reduced, and the accuracy of a detection result is ensured are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of biological detection equipment, and particularly relates to a biological detection sheet with a sterile normal saline membrane sac structure. Background Art

[0002] Due to the limitations of equipment design, adding sterile normal saline quickly is likely to increase the risk of contamination. This is mainly because during the operation, it is difficult to avoid microbial contamination in the environment or contact contamination by the operator, thus affecting the accuracy of the detection results. Secondly, during the process of adding normal saline to the biological detection sheet, due to uneven distribution or inaccurate addition amount of the saline, the reactions of different parts of the detection sheet may be inconsistent, affecting the overall detection effect and the reliability of the data. In addition, errors are likely to occur during the manual operation process, including the addition speed, addition amount, and addition position, etc. These errors directly affect the reaction uniformity and sensitivity of the detection sheet. The main reason for these drawbacks is that the biological detection sheet fails to fully consider the requirements of automated operation during the design, lacking automated equipment and precise control systems, resulting in relying on manual operation in actual operation. However, there are many uncontrollable factors in manual operation, increasing the risk of errors and contamination.

[0003] To address these problems, conventional methods include: increasing the training of operators to improve their aseptic operation skills and strictly controlling the cleanliness of the operation environment to reduce the risk of contamination; using precision titration equipment or auxiliary tools to ensure the accuracy and uniformity of normal saline addition. However, these methods also have obvious drawbacks. Even trained operators may still make mistakes in a high-intensity working environment, and controlling the cleanliness of the operation environment requires a large amount of time and resources; although precision titration equipment can improve the accuracy of addition, it has a high cost and requires regular maintenance, increasing the complexity and usage cost of the operation. In addition, these methods are unable to cope when facing high-throughput detection requirements and cannot meet the requirements of rapid and batch operations. Therefore, we hope to design a biological detection sheet with a novel structure to solve this problem. Summary of the Utility Model

[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a biological detection sheet with a sterile normal saline membrane sac structure, and solve the problems raised in the above background art.

[0005] The utility model is realized through the following technical solutions: A biological detection sheet with a sterile normal saline membrane sac structure, comprising: a carrier plate, a cover sheet, and an addition assembly. A plurality of addition assemblies are movably placed on the upper side of the carrier plate, and a cover sheet is movably placed on the upper side of the carrier plate;

[0006] A detection chip groove is formed by downward depression on the upper surface of the carrier board. A detection chip is movably placed inside the detection chip groove. A boss is provided at the inner edge of the upper end of the detection chip groove. Placing grooves are respectively formed by downward depression on the front side, rear side of the left end and the front side, rear side of the right end of the upper surface of the carrier board.

[0007] The adding component includes a membrane capsule, a connecting pipe and an arc pipe. The membrane capsule is connected to the arc pipe through the connecting pipe.

[0008] As a preferred embodiment, a connecting groove is provided between the two placing grooves at the left end of the upper surface of the carrier board and the front side and rear side of the left end of the detection chip groove respectively. A connecting groove is provided between the two placing grooves at the right end of the upper surface of the carrier board and the front side and rear side of the right end of the detection chip groove respectively.

[0009] As a preferred embodiment, the distribution positions of the four connecting grooves match the positions of the four placing grooves. The depth of the connecting groove matches the depth of the placing groove. The bottom of the connecting groove is flush with the upper surface of the boss. The placing groove is provided for placing the membrane capsule.

[0010] As a preferred embodiment, the cover sheet includes a plate body and pressing blocks. Pressing blocks are respectively provided at the front side, rear side of the left end and the front side, rear side of the right end of the lower surface of the plate body. A convex ring is provided in the middle of the lower surface of the cover sheet. The outer diameter of the convex ring matches the inner diameter of the upper side of the detection chip groove. The setting of the pressing block enables the pressing block to directly press the membrane capsule when needed by directly pressing the cover sheet.

[0011] As a preferred embodiment, the number, size and distribution positions of the pressing blocks match the number, size and distribution positions of the placing grooves. The length and width of the plate body match the length and width of the carrier board.

[0012] As a preferred embodiment, the adding component further includes adding pipes. Two adding pipes are provided inside the arc pipe. The inside of the arc pipe is communicated with the inside of the adding pipes. The arc pipe is movably placed on the upper surface of the boss. The length of the adding pipe is greater than the radial width of the boss.

[0013] The size of the membrane capsule is smaller than the size of the placing groove, and the shape of the membrane capsule is the same as the cross-sectional structure of the placing groove. The connecting pipe is movably placed inside the connecting groove.

[0014] After adopting the above technical solution, the beneficial effect of the present utility model is that by providing the carrier board and the cover sheet, in actual use, when biological detection is required, the detection chip is placed inside the detection chip groove, and then the four adding components are respectively placed at the corresponding positions of the four placing grooves and connecting grooves (for the placing positions, please refer to the attached Figure 1 and attached Figure 2), then the cover plate can be covered on the upper side of the carrier plate, and the four pressing blocks are aligned and placed with the four placing grooves. When the pressing blocks abut against the upper side of the membrane sac, the convex ring on the lower side of the plate body is placed inside the upper side of the detection chip groove, so that the whole detection chip groove forms a seal, avoiding the contamination of the detection chip by germs in the external environment;

[0015] With the setting of the adding components, the four adding components are distributed on the front side of the left end, the rear side of the left end, the front side of the right end, and the rear side of the right end of the detection chip groove. The adding tubes on the four adding components are evenly distributed inside the edge of the detection chip groove. When placing the adding components, the ends of the adding tubes on each adding component are transversely cut in advance, so that the ends of the adding tubes can discharge sterile water (all operations are carried out in a sterile environment). When sterile normal saline needs to be added to the detection chip during the detection process, the user only needs to press the plate body of the cover plate, so that the four pressing blocks press the four membrane sacs. After the membrane sacs are pressed, the sterile normal saline stored inside them overcomes the surface tension of the water, enters the adding tubes through the connecting tubes and arc tubes, and then adds sterile normal saline to the edge of the detection chip from the ends of the adding tubes, achieving the addition of sterile normal saline without opening the cover plate during the detection process, avoiding the contact between the sample and the air during the detection process, greatly reducing the risk of contamination, and ensuring the accuracy of the detection results. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of a biological detection chip with a sterile normal saline membrane sac structure according to the present invention.

[0018] Figure 2 It is a schematic top view of the carrier plate of a biological detection chip with a sterile normal saline membrane sac structure according to the present invention.

[0019] Figure 3 It is a schematic bottom view of the cover plate of a biological detection chip with a sterile normal saline membrane sac structure according to the present invention.

[0020] Figure 4 It is a schematic diagram of the structure of the adding component of a biological detection chip with a sterile normal saline membrane sac structure according to the present invention.

[0021] In the figure, 100 - carrier plate, 110 - placing groove, 120 - connecting groove, 130 - detection chip groove, 140 - convex platform;

[0022] 200 - Cover plate, 210 - Plate body, 220 - Pressing block;

[0023] 300 - Adding component, 310 - Membrane sac, 320 - Connecting pipe, 330 - Arc pipe, 340 - Adding pipe. Detailed implementation manner

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0025] Please refer to Figures 1 to 4 , the present invention provides a technical solution: a biological detection chip with a structure of a sterile physiological saline membrane sac 310, including: a carrier plate 100, a cover plate 200 and an adding component 300. A plurality of adding components 300 are movably placed on the upper side of the carrier plate 100, and a cover plate 200 is movably placed on the upper side of the carrier plate 100;

[0026] A detection chip groove 130 is formed by downward depression on the upper surface of the carrier plate 100. A detection chip is movably placed inside the detection chip groove 130. A boss 140 is provided at the inner edge of the upper end of the detection chip groove 130. A placement groove 110 is formed by downward depression on the front side, rear side of the left end and the front side, rear side of the right end of the upper surface of the carrier plate 100 respectively;

[0027] The adding component 300 includes a membrane sac 310, a connecting pipe 320 and an arc pipe 330. The membrane sac 310 is connected to the arc pipe 330 through the connecting pipe 320.

[0028] Please refer to Figures 1 to 3 , a connecting groove 120 is provided between the two placement grooves 110 at the left end of the upper surface of the carrier plate 100 and the front side and rear side of the left end of the detection chip groove 130 respectively. A connecting groove 120 is provided between the two placement grooves 110 at the right end of the upper surface of the carrier plate 100 and the front side and rear side of the right end of the detection chip groove 130 respectively.

[0029] The distribution positions of the four connecting grooves 120 match the positions of the four placement grooves 110. The depth of the connecting groove 120 matches the depth of the placement groove 110. The bottom of the connecting groove 120 is flush with the upper surface of the boss 140. The placement groove 110 is provided for placing the membrane sac 310.

[0030] The cover sheet 200 includes a plate body 210 and pressing blocks 220. At the front side and rear side of the left end and the front side and rear side of the right end of the lower surface of the plate body 210, there is respectively one pressing block 220. In the middle of the lower surface of the cover sheet 200, there is a convex ring, and the outer diameter of the convex ring matches the inner diameter of the upper side of the detection chip slot 130. The arrangement of the pressing blocks 220 enables the pressing blocks 220 to squeeze the membrane capsule 310 directly by pressing the cover sheet 200 when needed.

[0031] The quantity, size, and distribution position of the pressing blocks 220 all match the quantity, size, and distribution position of the placement slots 110, and the length and width of the plate body 210 match the length and width of the carrier plate 100.

[0032] As the first embodiment of the present utility model, in actual use, when biological detection is required, the detection chip is placed inside the detection chip slot 130, and then the four adding components 300 are respectively placed at the corresponding positions of the four placement slots 110 and connection slots 120 (for the placement positions, please refer to the attached Figure 1 and attached Figure 2 ). Subsequently, the cover sheet 200 can be covered on the upper side of the carrier plate 100, and the four pressing blocks 220 are aligned with the four placement slots 110 and placed. When the pressing blocks 220 abut against the upper side of the membrane capsule 310, the convex ring on the lower side of the plate body 210 is placed inside the upper side of the detection chip slot 130, making the entire detection chip slot 130 airtight and preventing the detection chip from being contaminated by germs in the external environment.

[0033] Please refer to Figure 2 and Figure 4 , the adding component 300 further includes adding tubes 340. There are two adding tubes 340 arranged inside the arc tube 330, and the inside of the arc tube 330 is communicated with the inside of the adding tubes 340. The arc tube 330 is movably placed on the upper surface of the boss 140, and the length of the adding tube 340 is greater than the radial width of the boss 140;

[0034] The size of the membrane capsule 310 is smaller than the size of the placement slot 110, and the shape of the membrane capsule 310 is the same as the cross-sectional structure of the placement slot 110. The connecting tube 320 is movably placed inside the connection slot 120.

[0035] As the second embodiment of the present utility model, based on the above first embodiment, the setting of the adding component 300 is added. The four adding components 300 are distributed on the front side of the left end, the rear side of the left end, the front side of the right end, and the rear side of the right end of the detection chip slot 130. The adding tubes 340 on the four adding components 300 are evenly distributed inside the edge of the detection chip slot 130. When placing the adding component 300, the end of the adding tube 340 on each adding component 300 is transversely cut in advance, so that the end of the adding tube 340 can discharge sterile water (all operations are carried out in a sterile environment). When it is necessary to add sterile physiological saline to the detection chip during the detection process, the user only needs to press the plate body 210 of the cover sheet 200, so that the four pressing blocks 220 press the four membrane sacs 310. After the membrane sacs 310 are pressed, the sterile physiological saline stored inside them overcomes the surface tension of water, enters the adding tube 340 from the connecting tube 320 and the arc tube 330, and then adds sterile physiological saline from the end of the adding tube 340 to the edge of the detection chip, achieving the addition of sterile physiological saline without opening the cover sheet 200 during the detection process, avoiding the contact between the sample and air during the detection process, greatly reducing the risk of contamination, and ensuring the accuracy of the detection result (the height of the membrane sac 310 in the above is greater than the height of the connecting tube 320 and the arc tube 330).

[0036] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A biological test strip with a sterile normal saline membrane sac structure, comprising: A carrier board (100), a cover sheet (200), and an addition component (300), characterized in that a plurality of addition components (300) are movably placed on the upper side of the carrier board (100), and a cover sheet (200) is movably placed on the upper side of the carrier board (100); A detection chip slot (130) is formed by downward depression on the upper surface of the carrier board (100). A detection chip is movably placed inside the detection chip slot (130). A boss (140) is provided at the inner edge of the upper end of the detection chip slot (130). Placement slots (110) are respectively formed by downward depression on the front side, rear side of the left end and the front side, rear side of the right end of the upper surface of the carrier board (100); The addition component (300) includes a membrane capsule (310), a connecting pipe (320), and an arc pipe (330). The membrane capsule (310) is connected to the arc pipe (330) through the connecting pipe (320).

2. The bioassay strip with a sterile normal saline membrane sac structure according to claim 1, characterized in that: A connecting slot (120) is provided between the two placement slots (110) at the left end of the upper surface of the carrier board (100) and the front side and rear side of the left end of the detection chip slot (130) respectively. A connecting slot (120) is provided between the two placement slots (110) at the right end of the upper surface of the carrier board (100) and the front side and rear side of the right end of the detection chip slot (130) respectively.

3. The bioassay strip having a sterile normal saline membrane sac structure according to claim 2, wherein: The distribution positions of the four connecting slots (120) match the positions of the four placement slots (110). The depth of the connecting slot (120) matches the depth of the placement slot (110). The bottom of the connecting slot (120) is flush with the upper surface of the boss (140).

4. The bioassay strip with a sterile normal saline membrane sac structure according to claim 3, wherein: The cover sheet (200) includes a plate body (210) and pressing blocks (220). Pressing blocks (220) are respectively provided on the front side, rear side of the left end and the front side, rear side of the right end of the lower surface of the plate body (210). A convex ring is provided in the middle of the lower surface of the cover sheet (200). The outer diameter of the convex ring matches the inner diameter of the upper side of the detection chip slot (130).

5. The bioassay strip with a sterile normal saline membrane sac structure as described in claim 4, characterized in that: The number, size, and distribution positions of the pressing blocks (220) match the number, size, and distribution positions of the placement slots (110). The length and width of the plate body (210) match the length and width of the carrier board (100).

6. The bioassay strip having a sterile normal saline membrane sac structure according to claim 5, wherein: The addition component (300) further includes addition pipes (340). Two addition pipes (340) are provided inside the arc pipe (330). The inside of the arc pipe (330) is communicated with the inside of the addition pipes (340). The arc pipe (330) is movably placed on the upper surface of the boss (140). The length of the addition pipe (340) is greater than the radial width of the boss (140); The size of the membrane capsule (310) is smaller than the size of the placement slot (110), and the shape of the membrane capsule (310) is the same as the cross-sectional structure of the placement slot (110). The connecting pipe (320) is movably placed inside the connecting slot (120).

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