CN220508943U - Colloidal gold method integrated detection tube - Google Patents
Colloidal gold method integrated detection tube Download PDFInfo
- Publication number
- CN220508943U CN220508943U CN202321800004.9U CN202321800004U CN220508943U CN 220508943 U CN220508943 U CN 220508943U CN 202321800004 U CN202321800004 U CN 202321800004U CN 220508943 U CN220508943 U CN 220508943U
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- China
- Prior art keywords
- pipe body
- pipe
- tube
- colloidal gold
- gold method
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Links
- 238000001514 detection method Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 24
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 239000000427 antigen Substances 0.000 abstract description 7
- 102000036639 antigens Human genes 0.000 abstract description 7
- 108091007433 antigens Proteins 0.000 abstract description 7
- 239000012898 sample dilution Substances 0.000 abstract description 4
- 239000000523 sample Substances 0.000 description 7
- 239000003085 diluting agent Substances 0.000 description 5
- 239000012470 diluted sample Substances 0.000 description 3
- 239000012895 dilution Substances 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
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- Investigating Or Analysing Biological Materials (AREA)
Abstract
The utility model provides a colloidal gold method integrated detection tube, which comprises an outer tube body, a middle tube body, an inner tube body and an end cap, wherein at least one detection test paper is arranged in the outer tube body; the middle pipe body is sleeved in the outer pipe body, the bottom of the middle pipe body is provided with a raised central boss and a through hole positioned at the periphery of the central boss, and the through hole penetrates into the accommodating space of the outer pipe body; the inner pipe body is sleeved in the middle pipe body, a through bottom opening is formed at the bottom of the inner pipe body, the inner pipe body and the middle pipe body are assembled in a threaded manner, and a central boss of the middle pipe body is inserted in the bottom opening of the inner pipe body and forms sealing fit; the end cap is detachably assembled on the top opening of the inner tube body. The sample dilution and antigen detection are integrated; the process is completed in the detection tube, so that harm to human body caused by improper operation is avoided.
Description
Technical Field
The utility model relates to the field of medical detection appliances, in particular to a colloidal gold method integrated detection tube.
Background
In the antigen detection of a colloidal gold method in a clinic or a laboratory, a nose swab or a throat swab is singly used for collecting in the nose and the throat, then a sample diluent is added by a suction pipe or a dropping bottle, the sample is uniformly mixed, and then the uniformly mixed sample solution is dripped into a detection test paper by a dripping method.
Disclosure of Invention
Therefore, the utility model provides a colloidal gold method integrated detection tube, which integrates sample dilution and antigen detection.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
an integrated colloidal gold detection tube, comprising:
the outer tube body is internally provided with at least one detection test paper;
the middle pipe body is sleeved in the outer pipe body, the bottom of the middle pipe body is provided with a raised central boss and a through hole positioned at the periphery of the central boss, and the through hole penetrates into the accommodating space of the outer pipe body;
the inner pipe body is sleeved in the middle pipe body, a through bottom opening is formed at the bottom of the inner pipe body, the inner pipe body and the middle pipe body are assembled in a threaded manner, and a central boss of the middle pipe body is inserted in the bottom opening of the inner pipe body and forms sealing fit;
and the end cap is detachably assembled on the top opening of the inner pipe body.
Further, a test paper fixing frame is arranged in the outer tube body, the test paper fixing frame is positioned between the outer tube body and the middle tube body, and the test paper is fixed on the test paper fixing frame.
Further, the detection test paper in the outer tube body is provided with a plurality of.
Further, the outer tube body is a transparent tube body.
Further, the middle pipe body comprises a first pipe section sleeved in the outer pipe body and a first pipe head abutted on the pipe orifice of the outer pipe body; the center boss and the through hole are arranged at the bottom of the first pipe section.
Further, the inner pipe body comprises a second pipe section sleeved in the first pipe section and a second pipe head protruding out of the first pipe head; the bottom opening is formed at the bottom of the second pipe section, the second pipe head comprises a rotary cap covered on the outer side of the first pipe head and a third pipe section protruding out of the rotary cap, the second pipe section is communicated with the third pipe section, and the top opening is formed at the top of the third pipe head.
Further, the inner wall of the middle pipe body is provided with an inner thread, the outer wall of the bottom of the inner pipe body is provided with an outer thread, and the inner pipe body is in threaded connection through matching of the outer thread of the outer wall of the bottom and the inner thread of the inner wall of the middle pipe body.
Further, the inner wall of the middle pipe body is in sealing fit with the outer wall of the inner pipe body through a sealing ring.
Further, the end cap is a nut, and is in threaded connection with the inner tube body to be assembled on the top opening of the inner tube body.
Further, the screwing direction of the end cap on the inner pipe body is opposite to the screwing direction of the inner pipe body on the middle pipe body.
The technical scheme provided by the utility model has the following beneficial effects:
according to the scheme, after a sample is collected, the end cap is opened, the sample is immersed in the diluent of the inner tube body, after dilution is completed, the inner tube body is rotated, the bottom opening of the inner tube body is separated from the central boss, and the diluted sample flows into the accommodating space of the outer tube body through the bottom opening and the through hole in sequence, so that the diluted sample contacts with detection test paper, and antigen detection is realized; the sample dilution and antigen detection are integrated; the process is completed in the detection tube, so that harm to human body caused by improper operation is avoided.
Drawings
FIG. 1 is a schematic view showing the appearance of an integrated colloidal gold detection tube according to an embodiment;
FIG. 2 is a cross-sectional view of an integrated detection tube according to the colloidal gold method in the embodiment;
FIG. 3 is a schematic diagram showing the structural exploded view of the colloidal gold method integrated detection tube in the embodiment;
FIG. 4 is a schematic view of the structure of the intermediate pipe body according to the embodiment;
FIG. 5 is a schematic view showing the structure of an inner tube body in an embodiment;
fig. 6 shows a cross-sectional view of the intermediate tube in an embodiment.
Detailed Description
For further illustration of the various embodiments, the utility model is provided with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments and together with the description, serve to explain the principles of the embodiments. With reference to these matters, one of ordinary skill in the art will understand other possible embodiments and advantages of the present utility model. The components in the figures are not drawn to scale and like reference numerals are generally used to designate like components.
The utility model will now be further described with reference to the drawings and detailed description.
Referring to fig. 1 to 6, the present embodiment provides a colloidal gold method integrated detection tube, including: outer tube 10, intermediate tube 30, inner tube 40, and end cap 50; at least one test strip 21, and preferably a plurality of test strips 21, for example, four test strips 21 in this embodiment, are disposed in the outer tube 10; the same item can be detected simultaneously by using a plurality of detection strips 21 to ensure accuracy, and a plurality of items can be detected. Of course, in other embodiments, the number of test strips 21 may be one, two, or more than two. The middle tube body 30 is sleeved in the outer tube body 10, a raised central boss 301 and a through hole 302 positioned at the periphery of the central boss 301 are arranged at the bottom of the middle tube body 30, and the through hole 302 penetrates into the accommodating space 101 (i.e. the space for accommodating the test paper 21) of the outer tube body 10.
The inner pipe body 40 is sleeved in the middle pipe body 30, a through bottom opening 401 is formed at the bottom of the inner pipe body 40, the inner pipe body 40 and the middle pipe body 30 form threaded assembly, and a central boss 301 of the middle pipe body 30 is inserted in the bottom opening 401 of the inner pipe body 40 and forms sealing fit. The end cap 50 is removably fitted over the top opening of the inner tubular body 40.
In the colloidal gold method integrated detection tube provided in this embodiment, the bottom opening 401 of the inner tube body 40 is sealed by the central boss 301 of the middle tube body 30, so that the diluent can be stored in the inner tube body 40 in advance; after the sample is collected, cap 50 is opened and the sample is immersed in the diluent of inner tube 40, at which point cap 50 may be replaced and the sample diluted by shaking or the like. After the dilution is completed, the inner tube body 40 is rotated, so that the bottom opening 401 of the inner tube body 40 is separated from the central boss 301, and the diluted sample sequentially flows into the accommodating space 101 of the outer tube body 10 through the bottom opening 401 and the through hole 302, thereby contacting with the detection test paper 21, and realizing antigen detection; the sample dilution and antigen detection are integrated; the process is completed in the detection tube, so that harm to human body caused by improper operation is avoided.
Further, in this embodiment, a test paper fixing frame 22 is assembled in the outer tube 10, the test paper fixing frame 22 is located between the outer tube 10 and the middle tube 30, and the test paper 21 is fixed on the test paper fixing frame 22; in this way, the fixing of the test strip 21 is facilitated. Of course, in other embodiments, the test strip 21 may be fixed to the inner wall of the outer tube 10.
Specifically, the outer tube 10 is a transparent tube, so that the detection structure can be visually confirmed. Of course, in other embodiments, a display window may be formed at a position of the outer tube body 10 corresponding to the test paper 21, but the tightness of the display window is ensured; or otherwise confirm the detection result of the detection strip 21.
The middle pipe body 30 comprises a first pipe section 31 sleeved in the outer pipe body 10 and a first pipe head 32 abutted on the pipe orifice of the outer pipe body 10; the central boss 301 and the through hole 302 are provided at the bottom of the first pipe section 31. So set up, the location installation of the intermediate body 30 of being convenient for and outer body 10, the mounted position is more accurate. Of course, in other embodiments, the structure of the intermediate tube 30 is not limited thereto.
Meanwhile, the inner tube 40 includes a second tube section 41 sleeved in the first tube section 31 and a second tube head 44 protruding from the first tube head 32; the bottom opening 401 is formed at the bottom of the second pipe section 41, the second pipe head 44 includes a screw cap 42 covering the outer side of the first pipe head 32 and a third pipe section 43 protruding from the screw cap 42, and protruding ribs are arranged on the screw cap 42, so that the screw cap is convenient to hold and rotate, and the inner pipe body 40 is operated to screw in or screw out. The second pipe section 41 and the third pipe section 43 are communicated, and the top opening is formed at the top of the third pipe head 43; the end cap 50 is capped on top of the third tube head 43. So arranged, the operation of opening the end cap 50 and unscrewing the inner tube body 40 is facilitated, and the structure is simple. Of course, in other embodiments, the structure of the inner tube 40 is not limited thereto, such as a structure that does not employ the screw cap 42, and so forth.
Further, the screw cap 42 of the inner tube 40 forms a limit fit with the first tube head 32 of the middle tube 30, in this embodiment, the screw cap 42 of the inner tube 40 extends inward to form a hook 421, the top of the first tube head 32 protrudes with a limit step 321, and when the inner tube 40 is unscrewed to be separated from the middle tube 30, the distance of the inner tube 40 moving upward is limited by the fit of the hook 421 and the limit step 321; that is, the inner tube 40 is rotated open to move upward relative to the middle tube 30, and cannot move upward and be separated when the hook 421 is clamped on the limiting step 321; before this, the central boss 301 is disengaged from the bottom opening 401.
Specifically, in this embodiment, the inner wall of the intermediate pipe body 30 is formed with an internal thread 311, the bottom outer wall of the inner pipe body 40 is provided with an external thread 411, and the inner pipe body 40 is in threaded connection with the internal thread 311 of the inner wall of the intermediate pipe body 30 by matching the external thread 411 of the bottom outer wall. So configured, the sealing engagement of the central boss 301 with the bottom opening 401 is not compromised. Of course, in other embodiments, the location of the threaded connection of the inner tube body 40 and the intermediate tube body 30 is not limited thereto, as external threads may be provided on the central boss 301, internal threads may be provided on the inner wall of the bottom opening 401, etc.
Meanwhile, the inner wall of the middle pipe body 30 is in sealing fit with the outer wall of the inner pipe body 40 through the sealing ring 60, so that the diluent of the inner pipe body 40 is prevented from seeping out through a gap between the middle pipe body 30 and the inner pipe body 40 when flowing out from the bottom opening 401; the safety is improved.
Specifically, in this embodiment, the end cap 50 is a nut, the end cap 50 is screwed with the inner tube 40 to be assembled on the top opening of the inner tube 40, and as shown in the figure, the third tube section 43 of the inner tube 40 is provided with an external thread 412, and the external thread 412 is used to be screwed with the end cap 50. The nut 50 is installed in a threaded connection mode, and is simple in structure and convenient to operate. Still more preferably, the end cap 50 is screwed onto the inner tube 40 in a direction opposite to the direction in which the inner tube 40 is screwed onto the intermediate tube 30, e.g., the end cap 50 is screwed onto the inner tube 40 clockwise and the inner tube 40 is screwed onto the intermediate tube 30 counterclockwise; preventing bottom opening 401 from being opened by rotating inner tube 40 together when cap 50 is unscrewed.
While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. A colloidal gold method integrated detection tube is characterized by comprising the following components:
the outer tube body is internally provided with at least one detection test paper;
the middle pipe body is sleeved in the outer pipe body, the bottom of the middle pipe body is provided with a raised central boss and a through hole positioned at the periphery of the central boss, and the through hole penetrates into the accommodating space of the outer pipe body;
the inner pipe body is sleeved in the middle pipe body, a through bottom opening is formed at the bottom of the inner pipe body, the inner pipe body and the middle pipe body are assembled in a threaded manner, and a central boss of the middle pipe body is inserted in the bottom opening of the inner pipe body and forms sealing fit;
and the end cap is detachably assembled on the top opening of the inner pipe body.
2. The colloidal gold method integrated detection tube according to claim 1, wherein: the test paper fixing frame is assembled in the outer tube body, the test paper fixing frame is positioned between the outer tube body and the middle tube body, and the test paper is fixed on the test paper fixing frame.
3. The colloidal gold method integrated detection tube according to claim 1 or 2, wherein: and a plurality of detection test papers in the outer tube body are arranged.
4. The colloidal gold method integrated detection tube according to claim 1 or 2, wherein: the outer tube body is a transparent tube body.
5. The colloidal gold method integrated detection tube according to claim 1, wherein: the middle pipe body comprises a first pipe section sleeved in the outer pipe body and a first pipe head abutted on the pipe orifice of the outer pipe body; the center boss and the through hole are arranged at the bottom of the first pipe section.
6. The colloidal gold method integrated detection tube according to claim 5, wherein: the inner pipe body comprises a second pipe section sleeved in the first pipe section and a second pipe head protruding out of the first pipe head; the bottom opening is formed at the bottom of the second pipe section, the second pipe head comprises a rotary cap covered on the outer side of the first pipe head and a third pipe section protruding out of the rotary cap, the second pipe section is communicated with the third pipe section, and the top opening is formed at the top of the third pipe head.
7. The colloidal gold method integrated detection tube according to claim 1, 5 or 6, wherein: the inner wall of the middle pipe body is provided with an internal thread, the outer wall of the bottom of the inner pipe body is provided with an external thread, and the inner pipe body is in threaded connection through matching of the external thread of the outer wall of the bottom and the internal thread of the inner wall of the middle pipe body.
8. The colloidal gold method integrated detection tube according to claim 1, 5 or 6, wherein: the inner wall of the middle pipe body is in sealing fit with the outer wall of the inner pipe body through a sealing ring.
9. The colloidal gold method integrated detection tube according to claim 1, wherein: the end cap is a nut and is in threaded connection with the inner tube body to be assembled on the top opening of the inner tube body.
10. The colloidal gold method integrated detection tube according to claim 9, wherein: the screwing direction of the end cap screwed on the inner pipe body is opposite to the screwing direction of the inner pipe body screwed on the middle pipe body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321800004.9U CN220508943U (en) | 2023-07-10 | 2023-07-10 | Colloidal gold method integrated detection tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321800004.9U CN220508943U (en) | 2023-07-10 | 2023-07-10 | Colloidal gold method integrated detection tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220508943U true CN220508943U (en) | 2024-02-20 |
Family
ID=89868948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321800004.9U Active CN220508943U (en) | 2023-07-10 | 2023-07-10 | Colloidal gold method integrated detection tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220508943U (en) |
-
2023
- 2023-07-10 CN CN202321800004.9U patent/CN220508943U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |