CN219957608U

CN219957608U - Integrated push type detection device

Info

Publication number: CN219957608U
Application number: CN202321217366.5U
Authority: CN
Inventors: 眭彦军; 王云琨
Original assignee: Shijiazhuang Hipro Biotechnology Co Ltd
Current assignee: Shijiazhuang Hipro Biotechnology Co Ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-11-03
Anticipated expiration: 2033-05-19

Abstract

The utility model discloses an integrated push type detection device, which comprises a body, a reagent strip fixedly arranged in the body and a push type buffer solution injection unit arranged on the body and used for injecting buffer solution into one end of the reagent strip; the reagent strip is provided with a sample injection section and a display section, the buffer solution injection unit is close to the sample injection section of the reagent strip, the body is provided with a first window at the position corresponding to the sample injection section of the reagent strip, and the body is provided with a second window at the position corresponding to the display section of the reagent strip.

Description

Integrated push type detection device

Technical Field

The utility model relates to the technical field of sample detection, in particular to an integrated push type detection device.

Background

When the sample is tested, special equipment is required to be used for sampling and the buffer solution is required to be extracted by the special equipment for filling, so that the sample is tested. In the case of tests, it is necessary to provide corresponding buffer storage containers, buffer suction devices and other corresponding reagents. Particularly, when detecting a plurality of samples of different types or detecting a plurality of items of the samples, different types of buffers and reagents are needed, so that the operation is complex, the detection efficiency is low, errors are easy to occur, and the detection result is inaccurate or wrong.

A C-reactive protein colloidal gold quantitative detection kit disclosed in the patent with publication number of CN202471725U, a TORCH screening immunochromatography rapid detection reagent card disclosed in the patent with publication number of CN203465268U, because the reagent strip is separated from the buffer container, the buffer is required to be sucked firstly during the detection, and then the buffer is dripped on the reagent strip for the detection, the operation is complex, the detection efficiency is low, and errors are easy to occur when various different project detection is carried out in batches.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an integrated push type detection device which is used for solving the problems of complex operation and low detection efficiency during sample detection.

In order to solve the technical problems, the utility model adopts the following technical scheme:

an integrated push type detection device comprises a body, a reagent strip fixedly arranged in the body and a push type buffer solution injection unit arranged on the body and used for injecting buffer solution into one end of the reagent strip; the reagent strip is provided with a sample injection section and a display section, the buffer solution injection unit is close to the sample injection section of the reagent strip, the body is provided with a first window at the position corresponding to the sample injection section of the reagent strip, and the body is provided with a second window at the position corresponding to the display section of the reagent strip.

Further, the buffer solution injection unit comprises a puncture body and a key which are sequentially arranged at one end of the reagent strip, the puncture body is fixedly connected with the body, the key is in sliding connection with the body, a buffer solution storage chamber for storing buffer solution is arranged in the key, one surface of the buffer solution storage chamber, which is close to the puncture body, is provided with a puncture membrane, and a puncture block for puncturing the puncture membrane and conveying the buffer solution in the buffer solution storage chamber to the reagent strip is fixedly arranged on one surface of the buffer solution storage chamber.

Further, a blind hole is formed in one surface, close to the key, of the puncture body, the puncture block is arranged in the blind hole and fixedly connected with the puncture body, a liquid outlet hole is formed in the puncture body, and the liquid outlet hole is communicated with the reagent strip; after the key is pressed, the key is in sealing fit with the puncture body, and after the puncture block punctures the puncture membrane, the buffer solution in the buffer solution storage chamber flows onto the reagent strip through the liquid outlet hole.

Further, the shape of the buffer solution reservoir corresponds to the shape of the puncture block.

Further, a sealing lip is fixedly arranged outside one end of the key close to the puncture body, and after the key is pressed, the key enters the blind hole and is in sealing fit with the puncture body.

Further, the body is provided with transparent covers covering the first window and the second window.

Further, a capillary tube for sucking the sample is arranged on the inner side of the cover, the position of the capillary tube corresponds to that of the first window, and the capillary tube abuts against the sample injection section of the reagent strip.

Further, the capillary is obliquely and fixedly arranged on the cover, and the end surface of the capillary, which is abutted against the reagent strip, is an inclined surface.

Further, the first bulge is fixedly arranged on the outer side of the key, and the second bulge with elasticity is fixedly arranged on the two sides of the first bulge on the body.

Further, a guard ring is arranged on the body, and the keys are arranged in the guard ring.

The utility model has the positive effects that:

1. the utility model is provided with a reagent strip, one end of the reagent strip is sequentially provided with a puncture body and a key, a puncture block is arranged in the puncture body, a buffer solution storage chamber filled with buffer solution is arranged in the key, and a puncture membrane is arranged on the key. Pressing the key, the puncture membrane is punctured by the puncture block, and the buffer solution flows to the reagent strip to detect the sample on the reagent strip. By using the utility model, the operation is convenient and simple when filling the buffer solution, and the test efficiency can be improved. Because the buffer solution is in a pre-packaging form, no redundant waste liquid is generated, resources are saved, and environmental pollution is prevented. By using different reagent strips and buffers and performing corresponding labeling, different items of the sample can be detected. Since each detection device only performs one detection on the sample at a time, no error is generated when detecting a plurality of items of the sample.

2. The buffer solution storage chamber is corresponding to the puncture block in shape, so that the buffer solution residue in the buffer solution storage chamber can be reduced, the buffer solution can be quantitatively conveyed to the reagent strip, the detection is more accurate, and the detection consistency is ensured.

3. The utility model is also provided with the cover, and the capillary tube is arranged in the cover, so that the utility model realizes integrated sampling and filling of buffer solution, and simultaneously can ensure that aerosol generated when a sample is conveyed to a reagent strip volatilizes into the surrounding environment to generate pollution.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a perspective view of the present utility model with the cover removed;

FIG. 3 is an exploded view of the present utility model;

FIG. 4 is a schematic view of the inside of the cover in example 2;

FIG. 5 is a cross-sectional view of the upper portion of the present utility model;

FIG. 6 is a schematic view of the end of the piercing body near the key;

in the figure:

1. a first half; 2. a cover; 3. a second half; 4. a key; 5. a second window; 6. a reagent strip; 7. a first window; 8. a puncture body; 9. a guard ring; 10. a capillary tube; 11. an observation window; 12. a buffer reservoir; 13. a puncture block; 14. a liquid outlet hole; 15. puncturing the membrane; 16. a first protrusion; 17. a second protrusion; 18. a sealing lip; 19. and a diversion trench.

Detailed Description

Example 1

As shown in fig. 1, 2, 3, 5 and 6, an integrated push type detection device includes a vertical body, a vertical reagent strip 6 fixedly disposed in the body, and a push type buffer solution injection unit disposed at the top of the body for injecting buffer solution into the upper end of the reagent strip 6.

The body comprises a first half body 1 in a front long strip shape and a second half body 3 in a rear long strip shape, the first half body 1 and the second half body are in clamping connection, and the reagent strip 6 is clamped between the first half body 1 and the second half body 3. The reagent strip 6 is provided with an upper sample injection section and a lower display section, and the buffer solution injection unit is arranged at the upper end of the reagent strip 6. The first half body 1 is provided with a first window 7 at a position corresponding to a sample injection section of the reagent strip 6, the first half body 1 is provided with a second window 5 at a position corresponding to a display section of the reagent strip 6, and letters "T" and "C" for representing detection results are printed beside the second window 5 in front of the first half body 1.

The buffer solution injection unit comprises a puncture body 8 arranged at the upper end of the reagent strip 6 and a rectangular key 4 arranged above the puncture body 8, and the puncture body 8 is clamped between the first half body 1 and the second half body 3. The key 4 is located between the first half 1 and the second half 3, and the first half 1 and the second half 3 are both in sliding connection with the key 4. The lower part of the key 4 is provided with a buffer solution storage chamber 12 for storing buffer solution, the lower surface of the buffer solution storage chamber 12 is opened, a puncture membrane 15 is fixedly arranged below the key 4, and the puncture membrane 15 is tin foil or other materials easy to puncture. The puncture body 8 is provided with a rectangular puncture block 13 for puncturing the puncture membrane 15 and delivering the buffer solution in the buffer solution reservoir 12 to the reagent strip 6.

The upper surface of the puncture body 8 is provided with a blind hole, the bottom of the blind hole protrudes upwards to form a puncture block 13 with a sharp top, and the shape of the buffer liquid storage chamber 12 corresponds to the shape of the puncture block 13. The puncture body 8 is provided with a liquid outlet hole 14 at the bottom of the blind hole, and the lower end of the liquid outlet hole 14 is communicated with the reagent strip 6. The puncture block 13 is provided with an arc-shaped diversion trench 19 corresponding to the liquid outlet hole 14, and the diversion trench 19 is communicated with the liquid outlet hole 14.

The outer edge of the lower end of the key 4 protrudes outwards to form a sealing lip 18, after the key 4 is pressed downwards, the key 4 enters into the blind hole, the sealing lip 18 is in sealing fit with the puncture body 8, and after the puncture block 13 punctures the puncture membrane 15, the buffer solution in the buffer solution storage chamber 12 flows onto the reagent strip 6 through the liquid outlet hole 14.

The left side and the right side of the bottom of the key 4 are respectively protruded outwards to form a first protrusion 16, and the second half body 3 and the first half body 1 are respectively protruded inwards to form a second protrusion 17 with elasticity on the upper side and the lower side of the first protrusion 16. Therefore, the first bulge 16 and the second bulge 17 can limit the button 4, so that the puncture membrane 15 is prevented from being punctured due to the accidental movement of the button 4 when the button is in a standby state, and the buffer liquid flows to the reagent strip 6 to cause waste.

The application process of the utility model is as follows:

1. the utility model is flattened and a sample is dropped into the first window 7 and flows through the first window 7 to the sample injection section of the reagent strip 6.

2. When the utility model is erected and the key 4 is pressed downwards, the first bulge 16 moves downwards, the second bulge 17 which is positioned downwards deforms, so that the key 4 moves downwards continuously, the key 4 enters into the blind hole of the puncture body 8, the puncture membrane 15 is punctured by the puncture block 13, the buffer solution in the buffer solution storage chamber 12 flows into the liquid outlet hole 14 through the guide groove 19, then flows downwards onto the reagent strip 6, and then flows downwards along the reagent strip 6 together with a sample to the display section of the reagent strip 6.

3. Waiting for 15 minutes, when the positions of the reagent strip 6 corresponding to the letter "T" and the letter "C" are both displayed with a horizontal line, the detection result is positive, and when the position of the reagent strip 6 corresponding to the letter "C" is only displayed with a horizontal line, the detection result is negative. If only the position corresponding to the letter "T" on the reagent strip 6 shows a horizontal line or no horizontal line appears on the reagent strip 6 corresponding to the letter "T" and the letter "C", the detection result is invalid, and the detection is required to be performed again.

Example 2

As shown in fig. 4, this embodiment is different from embodiment 1 in that:

the first half 1 is provided with a cover 2, the cover 2 covers the first window 7 and the second window 5, and one side of the cover 2 is hinged with the first half 1. The cover 2 is provided with a transparent viewing area 11 at a position corresponding to the second window 5. The inside of the cover 2 is provided with a capillary tube 10 for sucking up the sample, the capillary tube 10 corresponds to the position of the first window 7, and the capillary tube 10 is abutted against the sample injection section of the reagent strip 6. The capillary tube 10 is obliquely and fixedly arranged on the cover 2, and the end surface of the capillary tube 10, which is abutted against the reagent strip 6, is an inclined surface, so that the orifice of the capillary tube 10 is reliably contacted with the reagent strip 6.

After the cap 2 is opened, the capillary 10 is brought into contact with the sample, and the sample is sucked into the capillary 10 by the capillary phenomenon. The cap 2 is then closed and the end of the capillary 10 is brought into contact with the sample injection section of the reagent strip 6, and the reagent strip 6 aspirates the sample in the capillary 10. At the same time, the capillary 10 also allows for quantitative uptake of the sample.

Example 3

As shown in fig. 1, 2, 3 and 5, the present embodiment is different from embodiment 2 in that:

the first half body 1 and the second half body 3 are respectively provided with a guard ring 9 with corresponding positions, and the keys 4 are arranged in the guard rings 9, so that the keys 4 are protected and prevented from being knocked or mistakenly touched.

The foregoing description of the embodiments of the present utility model has been presented only to illustrate the technical spirit and features of the present utility model, and it is intended to enable those skilled in the art to understand the present utility model and to implement it, but not to limit the scope of the present utility model only by the present embodiments, i.e. equivalent changes or modifications to the spirit of the present utility model disclosed herein, and it is intended for those skilled in the art to make local improvements in the system and changes, variations between subsystems, etc. within the scope of the present utility model without departing from the structure of the present utility model. At present, the technical scheme of the utility model has been subjected to pilot-scale experiments, namely small-scale experiments of products before large-scale mass production; after the pilot test is completed, the use investigation of the user is performed in a small range, and the investigation result shows that the user satisfaction is higher; now, the industrialization of the formal production of the product is prepared, including the early warning investigation of intellectual property risks.

Claims

1. An integrated push type detection device is characterized by comprising a body, a reagent strip (6) fixedly arranged in the body and a push type buffer solution injection unit arranged on the body and used for injecting buffer solution into one end of the reagent strip (6); be equipped with sample injection section and demonstration section on reagent strip (6), buffer injection unit is close to the sample injection section of reagent strip (6), the body has first window (7) in the position that the sample injection section of reagent strip (6) corresponds, the body has second window (5) in the position that the demonstration section of reagent strip (6) corresponds.

2. The integrated push type detection device according to claim 1, wherein the buffer solution injection unit comprises a puncture body (8) and a key (4) which are sequentially arranged at one end of the reagent strip (6), the puncture body (8) is fixedly connected with the body, the key (4) is in sliding connection with the body, a buffer solution storage chamber (12) for storing buffer solution is arranged in the key (4), one surface of the buffer solution storage chamber (12) close to the puncture body (8) is opened, a puncture membrane (15) is fixedly arranged on one surface of the opening of the buffer solution storage chamber (12) of the key (4), and a puncture block (13) for puncturing the puncture membrane (15) and conveying the buffer solution in the buffer solution storage chamber (12) to the reagent strip (6) is arranged in the puncture body (8).

3. The integrated push type detection device according to claim 2, wherein a blind hole is formed in one surface of the puncture body (8) close to the key (4), the puncture block (13) is arranged in the blind hole, the puncture block (13) is fixedly connected with the puncture body (8), a liquid outlet hole (14) is formed in the puncture body (8), and the liquid outlet hole (14) is communicated with the reagent strip (6); after the key (4) is pressed, the key (4) is in sealing fit with the puncture body (8), and after the puncture block (13) punctures the puncture membrane (15), the buffer solution in the buffer solution storage chamber (12) flows onto the reagent strip (6) through the liquid outlet hole (14).

4. The integrated push-type detection device according to claim 3, characterized in that the shape of the buffer reservoir (12) corresponds to the shape of the piercing block (13).

5. The integrated push type detection device according to claim 3, wherein a sealing lip (18) is fixedly arranged outside one end of the key (4) close to the puncture body (8), after the key (4) is pushed, the key (4) enters the blind hole, and the sealing lip (18) is in sealing fit with the puncture body (8).

6. The integrated push-type detection device according to claim 1, characterized in that the body is provided with a transparent cover (2) covering the first window (7) and the second window (5).

7. Integrated push-type detection device according to claim 6, characterized in that the inside of the cover (2) is provided with a capillary (10) for sucking up the sample, the capillary (10) corresponding to the position of the first window (7), the capillary (10) being abutted against the sample injection section of the reagent strip (6).

8. The integrated push-type detection device according to claim 7, wherein the capillary tube (10) is obliquely and fixedly arranged on the cover (2), and the end surface of the capillary tube (10) abutting against the reagent strip (6) is an inclined surface.

9. The integrated push type detection device according to claim 2, wherein a first protrusion (16) is fixedly arranged on the outer side of the key (4), and second protrusions (17) with elasticity are fixedly arranged on two sides of the first protrusion (16) on the body.

10. The integrated push type detection device according to claim 2, wherein a guard ring (9) is arranged on the body, and the key (4) is arranged in the guard ring (9).