CN216322028U - Biochemical test tube - Google Patents
Biochemical test tube Download PDFInfo
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- CN216322028U CN216322028U CN202121543087.9U CN202121543087U CN216322028U CN 216322028 U CN216322028 U CN 216322028U CN 202121543087 U CN202121543087 U CN 202121543087U CN 216322028 U CN216322028 U CN 216322028U
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Abstract
The application discloses a biochemical test tube, which comprises a tube body and a cover body, wherein at least a first cavity for washing a swab and a second cavity for extruding the swab are arranged in the tube body, and the second inner bottom surface of the second cavity is higher than the first inner bottom surface of the first cavity; the first cavity is communicated with the second cavity, and a flow guide part is arranged in the second cavity so that the sample liquid in the second cavity flows into the first cavity. According to the biochemical test tube, the second cavity for extruding the swab is arranged, the swab is inserted into the second cavity after being washed, and in the process of inserting the swab into the second cavity, the swab villus is extruded to release sample liquid in the swab villus, so that the requirement on the amount of the sample liquid in detection is met, and the situation of insufficient sample adding is avoided; meanwhile, the amount of the preserving fluid or the cracking fluid arranged in the biochemical test tube is reduced, and the concentration of the sample in the sample fluid is improved, so that the detection error is reduced, and the detection accuracy is improved.
Description
Technical Field
The application relates to the technical field of medical instruments, in particular to a biochemical test tube.
Background
The clinical sampler comprises a sampling swab and a sampling tube, wherein the sampling tube is mostly made of plastic or glass tube, and a certain volume of preservation solution or lysis solution is generally arranged in the sampling tube so as to maintain the activity of a sample collected by the sampling swab or simply pretreat the sample. When the sampling tube is used, a sampling head of the sampling swab is used for sampling at a corresponding position, then the sampling head with a sample is placed into the sampling tube, the sampling swab is broken off, the sampling head with the sample falls into preservation solution or lysate in the sampling tube, and then a cover body of the sampling tube is covered for standby detection.
However, in practical applications, since a part of the sample liquid is absorbed in the villus of the sampling swab, the volume of the preservative solution or lysis solution contained in the sampling tube needs to be increased in order to meet the requirement of the amount of the chromatography liquid, which increases the dilution ratio of the sample, reduces the concentration of the sample, and increases the detection error.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a biochemical test tube, which can improve the concentration of the sample in the sample solution, reduce the detection error, improve the detection accuracy, and has the advantages of simple structure and convenient operation.
The present application provides a biochemical cuvette comprising:
the swab squeezing device comprises a tube body, wherein at least a first cavity for washing a swab and a second cavity for squeezing the swab are arranged in the tube body, and a second inner bottom surface of the second cavity is higher than a first inner bottom surface of the first cavity;
the first cavity is communicated with the second cavity, and a flow guide part is arranged in the second cavity so that the sample liquid in the second cavity flows into the first cavity; and the top ends of the first cavity and the second cavity are flush to form a film sealing platform.
According to the biochemical test tube, the second cavity for extruding the swab is arranged, the swab is inserted into the second cavity after being washed, and in the process of inserting the swab into the second cavity, the swab villus is extruded to release sample liquid in the swab villus, so that the requirement on the sample liquid amount in detection is met, and the situation of insufficient sample addition is avoided; meanwhile, the amount of the preserving fluid or the cracking fluid arranged in the biochemical test tube is reduced, and the concentration of the sample in the sample fluid is improved, so that the detection error is reduced, and the detection accuracy is improved.
In one embodiment, the first cavity is adjacent to the second cavity, and an opening is formed on a side wall of the first cavity adjacent to the second cavity, so that the first cavity and the second cavity are communicated with each other.
In one embodiment, the flow guide part comprises a second inner bottom surface which is obliquely arranged, and the sample liquid in the second cavity flows into the first cavity through the opening.
In this embodiment, the second interior bottom surface of second cavity adopts the slope to set up formation water conservancy diversion portion, simplifies the structure of biochemical test tube, reduction in production cost.
In one embodiment, the sealing film platform is arranged obliquely.
In this embodiment, the film sealing platform is inclined, so that a user can tear off the sealing film on the film sealing platform.
In one embodiment, the biochemical test tube further comprises a drainage component disposed in the first cavity to drain the sample fluid in the first cavity to the outside of the tube.
In one embodiment, the drainage member comprises a hydrophilic membrane disposed within a channel in the first cavity.
In one embodiment, at least one third cavity for placing the immunochromatographic test strip is further arranged in the tube body;
optionally, the third cavity is disposed adjacent to the first cavity and the second cavity.
In this embodiment, a third cavity for holding the immunochromatographic test paper is arranged in the tube, after the sample is processed in the first cavity, the cover body is covered, the tube is inverted, at this time, the sample liquid flows to the immunochromatographic test paper, and the immunochromatographic test paper absorbs the sample liquid to perform a biochemical reaction, so that the operation is simple, and the detection efficiency is improved.
In one embodiment, a fourth cavity for placing waste is further arranged in the tube body;
optionally, the fourth cavity and the third cavity are disposed on two sides of the first cavity opposite to each other.
In this embodiment, set up the fourth cavity in the body, be convenient for place the discarded object, reduce the pollution.
In one embodiment, the biochemical test tube further comprises a cover body, and the cover body is used for covering the tube opening of the tube body so as to seal the tube body;
optionally, a confluence portion for accumulating the sample liquid is disposed on the inner side of the cover body, and when the tube body is in a sealed state, the confluence portion corresponds to the third cavity.
In this embodiment, the inner side of the cover is provided with a confluence part corresponding to the third cavity for holding the immunochromatographic test paper, and during detection, when the biochemical test tube is inverted, the sample liquid can be collected at the absorption end of the immunochromatographic test paper, so that the design is reasonable, and the operation is convenient.
In one embodiment, the outer side of the cover body is further provided with a fixing hole for fixing the biochemical test tube.
In this embodiment, the fixing hole is disposed on the outer side of the cover body, and the biochemical test tube can be inserted into the fixing object through the fixing hole for fixing during waiting for the reaction result, so that the operation is facilitated.
In one embodiment, at least one convex wall for scraping a swab is further arranged in the first cavity; optionally, the convex wall is of a reducing structure from bottom to top.
In this embodiment, a protruding wall is provided in the first cavity, when the swab with the collected sample is inserted into the first cavity filled with the sample treatment solution, the swab is held by the protruding wall, the protruding wall is embedded into the fluff to a certain depth, when the swab is rotated, the fluff is continuously scraped and beaten by the protruding wall in the solution, and the sample on the fluff is quickly released into the solution.
In one embodiment, the tube body and the cover body are further provided with a fitting part for tightly connecting the tube body and the cover body;
optionally, the fitting component includes a groove disposed at the tube orifice and at least one convex ring disposed on the outer wall of the cover body.
In the embodiment, the pipe body is connected with the cover body through the embedded part, so that the structure is simple and the operation is convenient; and in the concrete application, the bulge loop sets up two, and one of them bulge loop is used for sealing in advance the body, the packing and the transportation of the product of being convenient for, and another bulge loop is used for the lid to the sealed of body, in the detection, presses twice and fits the mouth of pipe of body with the lid.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a biochemical test tube according to the present application;
FIG. 2 is a schematic diagram of an internal structure of a biochemical test tube according to the present application;
FIG. 3 is a top view of a biochemical test tube according to the present application;
FIG. 4 is a schematic view of another embodiment of the biochemical test tube of the present application;
FIG. 5 is a schematic diagram of a structure of a hydrophilic membrane of the present application;
FIG. 6 is a schematic view of another embodiment of the biochemical test tube of the present application;
FIG. 7 is a schematic view of another embodiment of the biochemical test tube of the present application;
FIG. 8 is a schematic view of another internal structure of the biochemical cuvette of the present application;
FIG. 9 is a schematic view of another structure of the biochemical test tube of the present application.
The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in the embodiment of the present application are only used to explain the relative position relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indication is changed accordingly.
In addition, the descriptions referred to as "first", "second", etc. in this application are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
As shown in fig. 1, a biochemical test tube for biochemical reaction includes a tube body 10 and a cover body 20; wherein, the tube 10 and the cover 20 can be integrally formed, the tube 10 is of a substantially cylindrical structure, and the outer wall of the tube 10 has a flat surface 17 for adhering a label or printing a code.
Specifically, as shown in fig. 2, a first cavity 11 for washing a swab and a second cavity 12 for squeezing the swab are arranged in the tube 10, and a second inner bottom surface 121 of the second cavity 12 is higher than a first inner bottom surface 111 of the first cavity 11 to form a height difference, so that a fluid in the second cavity 12 has a tendency to flow to the first cavity 11;
the first cavity 11 and the second cavity 12 are communicated with each other, and a flow guide part is arranged in the second cavity 12, so that the sample liquid in the second cavity 12 flows into the first cavity 11; and the first cavity 11 is flush with the top end of the second cavity 12 to form a film sealing platform 15, which is beneficial to sealing and storing the preserving fluid or the lysate in the first cavity 11, and has simple structure and easy realization, as shown in fig. 3.
According to the biochemical test tube, the second cavity 12 for extruding the swab is arranged, the swab is inserted into the second cavity after being washed, and in the process of inserting the swab into the second cavity, the swab villus is extruded to release sample liquid in the swab villus, so that the requirement on the sample liquid amount in detection is met, and the situation of insufficient sample addition is avoided; meanwhile, the amount of the preserving fluid or the cracking fluid arranged in the biochemical test tube is reduced, and the concentration of the sample in the sample fluid is improved, so that the detection error is reduced, and the detection accuracy is improved.
It will be appreciated that the inner diameter of the first cavity should be slightly larger than the diameter of the wool end of the sampling swab, and the diameter of the second cavity should be slightly smaller than the diameter of the wool end of the sampling swab.
In one embodiment, the first cavity 11 is disposed adjacent to the second cavity 12, and an opening 122 is disposed on a side wall of the first cavity 11 adjacent to the second cavity 12, so that the first cavity 11 and the second cavity 12 communicate with each other. Specifically, the opening 122 in the sidewall of the second cavity 12 extends from the bottom to the top of the second cavity 12. By arranging the opening 122, fluid flow is facilitated, and the structure is simple and convenient to produce. As shown in fig. 2.
In one embodiment, the flow guiding portion includes a second inner bottom surface 121 disposed obliquely, and the sample liquid in the second cavity 12 flows into the first cavity 11 through the opening 122. As shown in fig. 2.
In one embodiment, the sealing film platform is arranged obliquely. As shown in fig. 2, 4, 6, 7 and 8, in a specific application, the sealing platform may have different inclined structures, so that a user can tear off the sealing film on the sealing platform.
In one embodiment, the biochemical test tube further comprises a drainage component disposed in the first cavity to drain the sample fluid in the first cavity to the outside of the tube.
Optionally, the drainage member comprises a hydrophilic membrane 16, the hydrophilic membrane 16 being disposed within a clamping groove 112 in the first cavity 11. As shown in fig. 4 and 5. In the concrete application, during the detection, directly can in inserting draw-in groove 112 hydrophilic membrane 16, because hydrophilic membrane 16 has hydrophilic characteristics, after liquid contacts hydrophilic membrane, evacuate promptly, have good water conservancy diversion nature, consequently when body 10 inverts, the sample liquid that obtains in the first cavity 10 is outside the body, accomplishes the sample liquid and adds under hydrophilic membrane 16's water conservancy diversion effect, improves detection efficiency.
In this embodiment, carry out the water conservancy diversion through hydrophilic membrane, improve the mobility of sample liquid, the application of sample of being convenient for improves detection efficiency.
In one embodiment, at least one third cavity 13 for holding an immunochromatographic test strip is further disposed in the tube 10;
optionally, the third cavity 13 is disposed adjacent to the first cavity 11 and the second cavity 12. As shown in fig. 2, 4, 6 and 8; the third cavity 13 for placing the immunochromatographic test paper is arranged in the tube body 10, after the sample is treated in the first cavity 11, the cover body 20 is covered, the tube body 10 is inverted, at the moment, the sample liquid flows to the immunochromatographic test paper, the immunochromatographic test paper absorbs the sample liquid to carry out biochemical reaction, the operation is simple, and the detection efficiency is improved.
In specific application, two or more third cavities 13 can be arranged, so that the detection requirements of different scenes are met. Also, the third cavity 13 may be designed for placement of an immunochromatographic test strip card or other immunochromatographic product. As shown in fig. 4.
In one embodiment, a fourth cavity 14 for placing waste is further arranged in the tube body 10;
optionally, the fourth cavity 14 and the third cavity 13 are disposed on two sides of the first cavity 11 opposite to each other. As shown in fig. 2, 4 and 6.
In this embodiment, set up the fourth cavity in the body, be convenient for place the discarded object, reduce the pollution.
In one embodiment, the cover 20 is used for covering the nozzle of the tube 10 to seal the tube;
optionally, a confluence portion 21 for accumulating the sample liquid is disposed inside the cap 20, and when the tube is in a sealed state, the confluence portion 21 corresponds to the third cavity 13. As shown in fig. 2, 4, 6 and 8. Specifically, the bus bar portion 21 may be a groove disposed in the cover 20, and the inner top surface of the cover 20 is inclined toward the bus bar portion 21.
In this embodiment, the converging portion 21 corresponding to the third cavity 13 for holding the immunochromatographic test strip is disposed on the inner side of the cover 20, and during detection, when the biochemical test tube is inverted, the sample solution can be collected to the absorption end of the immunochromatographic test strip, which is reasonable in design and convenient in operation.
Further, the outer side of the cover 20 is further provided with a fixing hole 22 for fixing the biochemical test tube. The fixing hole 22 is provided on the outer side of the cover 20, and the biochemical test tube can be inserted into the fixing object through the fixing hole 22 for fixing during waiting for the reaction result, which is convenient for operation. As shown in fig. 9.
In one embodiment, at least one convex wall for scraping a swab is further arranged in the first cavity; the number of the convex walls can be 1, 2 and the like, and when the clamping groove is arranged in the first cavity, the outer wall of the clamping groove can also be used as the convex wall to scrape the fluff of the swab. As shown in fig. 6.
Optionally, the convex wall is of a reducing structure from bottom to top.
In this embodiment, a protruding wall 113 is provided in the first chamber, when the swab with the sample is inserted into the first chamber 11 containing the sample processing solution, the swab is held by the protruding wall 113, the protruding wall 113 is embedded into the nap to a certain depth, and when the swab is rotated, the nap is continuously scraped and flapped by the protruding wall 133 in the solution, and the sample on the nap is quickly released into the solution. As shown in fig. 3.
In one embodiment, the pipe 10 and the cover 20 are further provided with a fitting part for tightly connecting the pipe 10 and the cover 20;
optionally, the engaging member includes a groove 18 disposed at the opening of the tube 10 and at least one protruding ring 23 disposed on the outer wall of the cover 20. As shown in fig. 7.
In this embodiment, the tube 10 and the cover 20 are connected by the engaging member, so that the structure is simple and the operation is convenient; and in the concrete application, protruding ring 23 sets up two, and one of them protruding ring 23 is used for sealing in advance the body, the packing and the transportation of product of being convenient for, and another protruding ring 23 is used for lid 20 to the sealed of body 10, in the detection, presses twice and fits the mouth of pipe of body 10 with lid 20 lid.
The clinical sampler comprises a sampling swab and a sampling tube, wherein the sampling tube is mostly made of plastic or glass tube, and a certain volume of preservation solution or lysis solution is generally arranged in the sampling tube so as to maintain the activity of a sample collected by the sampling swab or simply pretreat the sample. When the sampling tube is used, a sampling head of the sampling swab is used for sampling at a corresponding position, then the sampling head with a sample is placed into the sampling tube, the sampling swab is broken off, the sampling head with the sample falls into preservation solution or lysate in the sampling tube, and then a cover body of the sampling tube is covered for standby detection. In the biochemical test tube in the embodiment of the application, on one hand, the first cavity and the second cavity are arranged to independently complete the washing and storage of the sampling swab, and the second cavity is used for storing the sampling swab and simultaneously squeezing the sampling swab to release the sample liquid absorbed by the villus of the sampling test paper, so that the requirement on the sample liquid amount in the detection is met, and the situation of insufficient sample addition is avoided; meanwhile, the amount of the preserving fluid or the cracking fluid arranged in the biochemical test tube is reduced, and the concentration of the sample in the sample fluid is improved, so that the detection error is reduced, and the detection accuracy is improved; on the other hand, the third cavity is arranged and can be used for placing immunochromatography test paper, after the sample is processed in the first cavity, the cover body is covered, the tube body is inverted, at the moment, the sample liquid flows to the immunochromatography test paper, and the immunochromatography test paper absorbs the sample liquid to carry out biochemical reaction, so that the operation is simple, and the detection efficiency is improved; in another aspect, the fourth cavity can be used for placing wastes, so that pollution is reduced, and the environment is protected.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications and equivalents of the subject matter of the present application, which is intended to be covered by the claims and their equivalents, or which are directly or indirectly applicable to other related arts are intended to be included within the scope of the present application.
Claims (10)
1. A biochemical cuvette, comprising:
the swab squeezing device comprises a tube body, wherein at least a first cavity for washing a swab and a second cavity for squeezing the swab are arranged in the tube body, and a second inner bottom surface of the second cavity is higher than a first inner bottom surface of the first cavity;
the first cavity is communicated with the second cavity, and a flow guide part is arranged in the second cavity so that the sample liquid in the second cavity flows into the first cavity; the top ends of the first cavity and the second cavity are flush to form a film sealing platform;
the biochemical test tube also comprises a cover body, and the cover body is used for covering the tube opening of the tube body so as to seal the tube body; the cover body is provided with a confluence part for accumulating sample liquid on the inner side, and the confluence part corresponds to the third cavity when the tube body is in a sealing state.
2. The biochemical cuvette according to claim 1, wherein the first cavity is disposed adjacent to the second cavity, and an opening is disposed on a side wall of the first cavity adjacent to the second cavity, so that the sample liquid in the second cavity flows into the first cavity through the opening.
3. The biochemical cuvette of claim 2, wherein the flow guide comprises a second inner bottom surface disposed obliquely, and the sample liquid in the second chamber flows to the opening through the flow guide.
4. The biochemical cuvette of claim 1, wherein the sealing platform is disposed obliquely.
5. The biochemical test tube of claim 3, further comprising a drainage component disposed within the first cavity to drain sample fluid within the first cavity out of the tube.
6. The biochemical cuvette of claim 5, wherein the drainage component comprises a hydrophilic membrane disposed within the channel in the first cavity.
7. The biochemical test tube according to claim 1, wherein at least one third cavity for holding the immunochromatographic test strip is further disposed in the tube, and when the tube is in a sealed state, the confluence portion corresponds to the third cavity; optionally, the third cavity is disposed adjacent to the first cavity and the second cavity.
8. The biochemical test tube of claim 7, wherein a fourth cavity for placing waste is further arranged in the tube body;
optionally, the fourth cavity and the third cavity are disposed on two sides of the first cavity opposite to each other.
9. The biochemical test tube according to claim 1, wherein the cover is further provided with a fixing hole for fixing the biochemical test tube on the outer side.
10. The biochemical cuvette of claim 6, wherein at least one raised wall for scraping a swab is further disposed within the first chamber; optionally, the convex wall is of a reducing structure from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121543087.9U CN216322028U (en) | 2021-07-08 | 2021-07-08 | Biochemical test tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121543087.9U CN216322028U (en) | 2021-07-08 | 2021-07-08 | Biochemical test tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216322028U true CN216322028U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121543087.9U Active CN216322028U (en) | 2021-07-08 | 2021-07-08 | Biochemical test tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216322028U (en) |
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2021
- 2021-07-08 CN CN202121543087.9U patent/CN216322028U/en active Active
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