CN219162168U

CN219162168U - Multi-connection device for detecting helicobacter pylori in fecal sample

Info

Publication number: CN219162168U
Application number: CN202320063931.0U
Authority: CN
Inventors: 丁文桂; 杜洪雷; 路磊; 杨晓丽; 刘树永
Original assignee: Shandong Amber Biotechnology Co ltd
Current assignee: Shandong Amber Biotechnology Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-06-09
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses a multi-connected device for detecting helicobacter pylori in a fecal sample, which relates to the technical field of detection and comprises a test tube, a sampling rod and a test paper clamping shell, wherein a test paper shell clamping groove for clamping test paper is formed in the test paper clamping shell, a sealing piece is arranged at the bottom of the test paper clamping shell, and the sealing piece is arranged in a D shape; the left side of the test tube is provided with a sampling rod cavity, the right side of the test tube is provided with a test paper clamping shell cavity, and the sampling rod cavity is communicated with the test paper clamping shell cavity through a reagent flow channel; the seal is matched with the reagent flow channel outlet. The multi-connection device is simple in operation steps, the test tube is put back after the sampling rod is used for sampling in the first step, the test tube is shaken in the second step for 10 seconds, the test tube is rotated for 90 degrees in the third step, the test tube is read in five minutes, no redundant steps exist, and rapid detection can be achieved.

Description

Multi-connection device for detecting helicobacter pylori in fecal sample

Technical Field

The utility model relates to the technical field of detection, in particular to a multi-connected device for detecting helicobacter pylori in a fecal sample.

Background

For diagnosis of helicobacter pylori infection, in a non-invasive helicobacter pylori detection test applied clinically, a urea expiration test method is generally adopted, and monoclonal antibody fecal antigen detection can be used as an alternative; in the two methods, the urea exhaling method is required to go to a hospital for detection, the flow is complicated, and the result waiting time is longer; at present, helicobacter pylori antigens are detected by colloidal gold immune test paper, the operation is relatively simple, and the detection and judgment result can be completely detected and judged by community residents at home, so that the detection method is easy to popularize.

In the prior art, the household detection of helicobacter pylori antigen requires that the patient firstly collects excrement, then mixes the excrement with the reagent by using a container, then drops the mixture to the drop of the test paper to be detected, and observes the CT color change condition after waiting for a few minutes, thus the operation is relatively complex. In addition, the existing antigen detection generally has only one detection test paper, and certain errors exist in the detection process, so that the convenience in detection is affected, and therefore, a multi-connected device for detecting helicobacter pylori in a fecal sample is needed to change the current situation.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a multi-connected device for detecting helicobacter pylori in a fecal sample. Its advantage lies in easy operation, has improved the convenience of detecting.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the multi-connected device for detecting helicobacter pylori in the fecal sample comprises a test tube, a sampling rod, a test paper clamping shell, a test paper clamping groove for clamping test paper, a sealing element and a sealing element, wherein the test paper clamping shell is provided with a clamping groove for clamping the test paper, and the sealing element is arranged in a D shape;

the left side of the test tube is provided with a sampling rod cavity, the right side of the test tube is provided with a test paper clamping shell cavity, and the sampling rod cavity is communicated with the test paper clamping shell cavity through a reagent flow channel; the seal is matched with the reagent flow channel outlet.

Preferably, the sampling rod cavity consists of a reagent storage cavity, a neck cavity and an excessive sample storage cavity, and the neck cavity is communicated with the reagent storage cavity and the excessive sample storage cavity respectively.

Preferably, the top of test tube is provided with spacing post, the top of test paper cartridge is provided with rotatory cylinder, and the side of rotatory cylinder is provided with spacing draw-in groove, spacing post and spacing draw-in groove assorted for carry out spacingly to the test paper cartridge, prevent that the test paper cartridge from rotating, sealing member and reagent runner export form the clearance, make reagent inflow test paper cartridge chamber.

Preferably, a limiting hole is formed in the bottom of the sealing piece; a limiting boss is arranged in the middle of the top of the test paper clamping shell cavity; the limiting hole can be clamped on the limiting boss.

Preferably, the top of the sampling rod is provided with a sampling rod pinching handle, and the bottom of the sampling rod pinching handle is provided with external threads for sealing with the threads of the test tube.

Preferably, the bottom of the sampling rod is provided with a sampling thread.

Preferably, two test paper shell clamping grooves are formed in the test paper clamping shell.

The beneficial effects of the utility model are as follows:

1. two test paper shell clamping grooves are formed in the test paper clamping shell, two test papers can be arranged on the test paper clamping shell, and accuracy of detection results is improved.

2. The spacing post joint is on spacing draw-in groove and spacing hole joint prevent the misoperation when the device is used to the multiple on spacing boss, has improved the stability that the product was used, avoids because the maloperation causes the waste of product.

3. The operation steps are simple, the test tube is put back into the test tube after the sampling rod is used for sampling in the first step, the test tube is shaken for 10 seconds in the second step, the test paper is rotated for 90 degrees after the test paper is clamped for five minutes, the result is read in a waiting mode, no extra step exists, and the rapid detection can be achieved.

Drawings

FIG. 1 is a front view of a multiple unit device for detecting helicobacter pylori in a fecal sample according to the present utility model;

FIG. 2 is a perspective view of a multiple unit device for detecting helicobacter pylori in a fecal sample in accordance with the present utility model;

FIG. 3 is a cross-sectional view of a multiple unit device for detecting helicobacter pylori in a fecal sample in accordance with the present utility model;

FIG. 4 is a cross-sectional view of a test tube of the present utility model;

FIG. 5 is a schematic view of the structure of the sampling rod of the present utility model;

fig. 6 is a schematic structural diagram of the test paper cartridge of the present utility model.

In the figure: 1. a sampling rod; 2. the test paper is stuck to the shell; 3. a test tube; 11. a sampling rod pinching handle; 12. an external thread; 13. sampling screw threads; 21. rotating the column; 22. a limit clamping groove; 23. a test paper shell clamping groove; 24. a seal; 25. a limiting hole; 26. test paper; 31. a redundant sample storage chamber; 32. a reagent storage chamber; 33. a cervical oral cavity; 34. the test paper is stuck in the shell cavity; 35. a limit column; 36. a limit boss; 37. reagent flow channels.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Referring to fig. 1-6, a multi-connected device for detecting helicobacter pylori in fecal samples comprises a test tube 3, a sampling rod 1, a test paper clamping shell 2, a test paper clamping groove 23 for clamping test paper 26 is arranged on the test paper clamping shell 2, two test paper clamping grooves 23 are arranged on the test paper clamping shell 2, and two test papers 26 can be arranged, so that accuracy of detection results is improved.

The bottom of test paper cassette 2 is provided with sealing member 24, and sealing member 24 is "D" setting, and sealing member 24 is the rubber circle. The left side of test tube 3 is provided with the sampling pole chamber, and the right side is provided with test paper card shell chamber 34, communicates through reagent runner 37 between sampling pole chamber and the test paper card shell chamber 34, and sealing member 24 and the export phase-match of reagent runner 37. In the initial state of the multi-joint device (the initial state is the state before sampling), the right side of the sealing member 24 is used for blocking the outlet of the reagent flow channel 37, and at this time, the liquid in the sampling rod cavity is blocked by the sealing member 24 and cannot flow into or infiltrate into the test paper clamping shell cavity 34 on the right side.

The top of test tube 3 is provided with spacing post 35, and the top of test paper cartridge 2 is provided with rotatory cylinder 21, and the side of rotatory cylinder 21 is provided with spacing draw-in groove 22, and spacing post 35 and spacing draw-in groove 22 assortment, spacing post 35 are used for spacing test paper cartridge 2, and spacing post 35 joint is on spacing draw-in groove 22 when the multi-joint device initial state, prevents that test paper cartridge 2 from rotating, leads to sealing member 24 and the export of reagent runner 37 to form the clearance, makes the reagent flow into test paper cartridge chamber 34. The bottom of sealing member 24 is provided with spacing hole 25, and the middle part of test paper card shell chamber 34 bottom is provided with spacing boss 36, and spacing hole 25 joint is on spacing boss 36, and spacing hole 25 and spacing boss 36's setting prevents that sealing member 24 from reciprocating in test paper card shell chamber 34, guarantees the leakproofness of sealing member 24 and reagent runner 37 export during initial state.

The spacing post 35 joint is on spacing draw-in groove 22 and spacing hole 25 joint prevents the misoperation when the multiple unit is used on spacing boss 36, has improved the stability that the product was used, avoids causing the waste of product because of the maloperation.

The top of sampling pole 1 is provided with sampling pole and holds between the fingers 11, and sampling pole holds between the bottom of 11 and is provided with external screw thread 12 for with test tube 3 screw thread seal. The bottom of the sampling rod 1 is provided with a sampling thread 13 for taking up the sample.

The sampling rod cavity is composed of a reagent storage cavity 32, a neck cavity 33 and an excessive sample storage cavity 31, and the neck cavity 33 is respectively communicated with the reagent storage cavity 32 and the excessive sample storage cavity 31. The inner diameter of the neck cavity 33 is exactly matched with the outer diameter of the sampling rod 1, so that the neck cavity 33 and the sampling rod 1 form a seal at the position, and the sampling rod 1 can be exactly inserted into and extracted from the neck cavity 33; after sampling by sampling wand 1, neck cavity 33 may scrape excess sample off to leave excess sample storage cavity 31.

The test tube 3 is made of transparent material, and the color development condition of the test paper 26 at the CT position can be directly read through the test paper clamping cavity 34 on the test tube 3 during detection.

Working principle: when in use, the sampling rod 1 is unscrewed from the test tube 3, and the sampling thread 13 at the bottom of the sampling rod 1 is inserted into a sample to be tested for a plurality of times to occupy the excrement; the sampling rod 1 is then inserted into the test tube 3, the sampling rod 1 is fixed in the test tube 3 by the external thread 12, and the excess sample collected by the sampling thread 13 is trapped in the excess sample storage chamber 31 by the neck cavity 33.

Then the hand-held test tube 3 is continuously rocked for 10-20s, so that the sample feces on the sampling rod 1 and the reagent in the reagent storage cavity 32 can be uniformly mixed. Rotating the rotating cylinder 21 to enable the rotating cylinder 21 to rotate 90 degrees, and enabling the limiting cylinder 35 to be twisted under the external force of the limiting clamping groove 22; the rotation of the rotary column 21 drives the test paper clamping shell 2 and the sealing element 24 to rotate, when the sealing element 24 rotates by 90 degrees, the sealing element 24 and the reagent flow channel 37 form a gap, the reagent with the sample in the reagent storage cavity 32 flows into the test paper clamping shell cavity 34 on the right side, the reagent with the sample contacts with the bottom of the test paper 26 for about 5 minutes, and the color development condition of the test paper 26 at the CT position can be read directly through the test paper clamping shell cavity 34 on the test tube 3. The operation is simple, and the detection convenience is improved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The multi-connected device for detecting helicobacter pylori in the fecal sample comprises a test tube (3) and a sampling rod (1), and is characterized by further comprising a test paper clamping shell (2), wherein a test paper shell clamping groove (23) for clamping test paper (26) is formed in the test paper clamping shell (2), a sealing element (24) is arranged at the bottom of the test paper clamping shell (2), and the sealing element (24) is arranged in a D shape;

the left side of the test tube (3) is provided with a sampling rod cavity, the right side of the test tube is provided with a test paper clamping shell cavity (34), and the sampling rod cavity is communicated with the test paper clamping shell cavity (34) through a reagent flow channel (37); the seal (24) mates with the outlet of the reagent flow channel (37).

2. A multiple unit for detecting helicobacter pylori in fecal samples according to claim 1, characterized in that the sampling rod chamber consists of a reagent storage chamber (32), a neck chamber (33) and an excess sample storage chamber (31), the neck chamber (33) being in communication with the reagent storage chamber (32) and the excess sample storage chamber (31), respectively.

3. The multi-connected device for detecting helicobacter pylori in a fecal sample according to claim 1, characterized in that a limit column (35) is arranged at the top of the test tube (3), a rotary column (21) is arranged at the top of the test tube clamping shell (2), a limit clamping groove (22) is arranged on the side surface of the rotary column (21), the limit column (35) is matched with the limit clamping groove (22) and used for limiting the test tube clamping shell (2) and preventing the test tube clamping shell (2) from rotating, so that a gap is formed between a sealing piece (24) and an outlet of a reagent flow channel (37) to enable reagents to flow into a test tube clamping shell cavity (34).

4. A multiple unit for detecting helicobacter pylori in fecal samples according to claim 1, characterized in that the bottom of the seal (24) is provided with a limiting hole (25); a limiting boss (36) is arranged in the middle of the bottom of the test paper clamping shell cavity (34); the limiting hole (25) can be clamped on the limiting boss (36).

5. A multiple unit for detecting helicobacter pylori in fecal samples according to claim 1, characterized in that the top of the sampling rod (1) is provided with a sampling rod pinching (11), the bottom of the sampling rod pinching (11) is provided with an external thread (12) for screw sealing with the test tube (3).

6. A multiple unit for detecting helicobacter pylori in fecal samples according to claim 1, characterized in that the bottom of the sampling rod (1) is provided with a sampling thread (13).

7. The multi-connection device for detecting helicobacter pylori in fecal samples according to claim 1, characterized in that two test strip housing clamping grooves (23) are arranged on the test strip housing (2).