CN215914701U - Multifunctional sample collection tube with leakage-proof function - Google Patents
Multifunctional sample collection tube with leakage-proof function Download PDFInfo
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- CN215914701U CN215914701U CN202120123869.0U CN202120123869U CN215914701U CN 215914701 U CN215914701 U CN 215914701U CN 202120123869 U CN202120123869 U CN 202120123869U CN 215914701 U CN215914701 U CN 215914701U
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Abstract
The utility model discloses a multifunctional sample collection tube with a leakage-proof function. The sample collecting pipe can be pre-filled with a certain volume of sample pretreatment test solution, and the sample collecting pipe filled with the test solution can leak in the transportation process, particularly in air transportation. The utility model comprises a tube body and an inner tube cover. The tube body is internally provided with a pre-filled test solution. The inner tube cover is plugged at the tube opening of the tube body to prevent the pre-filled test solution from leaking. According to the collecting tube provided by the utility model, the inner tube cover is arranged on the tube body, so that the leakage of the pre-installed test solution is prevented in the transportation process, and the influence on the normal operation of the detection work caused by unqualified product quality and improper sample storage is effectively avoided. The swab fixing groove arranged on the inner tube cover can directly take out the swab when the inner tube cover is opened for the second time, so that the operation of taking out the swab by using tweezers is omitted, the operation is simplified, and the sanitation is ensured.
Description
Technical Field
The utility model belongs to the technical field of in-vitro diagnostic reagents, and particularly relates to a multifunctional sample collection tube with a leakage-proof function.
Background
The sample collection tube (or sample extraction tube, sample preservation tube) is a device for pretreating and preserving samples collected on site. In the field of clinical testing, particularly in vitro rapid testing, sample collection tubes have many applications, such as: 1) in the field of blood marker detection, a quantitative dropper or a capillary tube is generally used for sucking a blood sample with a certain volume, and the blood sample is placed in a sample collection tube filled with a detection test solution for pretreatment and then detection; 2) in the field of drug detection, samples such as hair, powder and the like need to be collected into a sample collection tube filled with a detection test solution for pretreatment and then detection; 4) in the field of respiratory pathogen detection, biological samples such as viruses and bacteria in nasal cavities or oral cavities are generally collected through swabs, and the collected swabs are stored in a collection tube filled with extracting solution or preserving solution to be subjected to sample pretreatment and then to detection. Therefore, sample collection tubes are widely used, and a certain amount of test solution is usually pre-filled in the tubes for sample pre-treatment or preservation.
In actual work, especially in the field of in vitro diagnostic reagents, the dropping sample detection is conventional and is very suitable for the operation of basic workers, and the convenience of detection work can be greatly improved by directly carrying out the dropping sample detection after the sample is treated by the sample collection tube. Patent CN201820223906.3 sample storage tube with quick dropping liquid function provides a sample storage tube that constitutes by hose and dripper through the screw thread connection, need not just with the help of other straw or move liquid instrument, can realize the function of dropping a kind. Products similar to those described in the above patents are already in the market. However, this type of multi-purpose collection tube exposes a number of disadvantages and shortcomings in use, such as in actual practice:
1) the sample collection tube can be pre-filled with a certain volume of sample pretreatment test solution, and the sample collection tube pre-filled with the test solution can leak liquid in the transportation process, particularly in air transportation; 2) after a sample is pretreated by using the sample collection tube, the sample needs to be transported to a laboratory for detection, and a liquid leakage phenomenon exists in the transportation process of the sample; 3) to the detection that needs the swab sampling, if the swab does not remain in the sampling tube, probably because the sampler misoperation leads to the sample to draw inadequately, and then leads to the testing result inaccurate, if the swab remains in the collection tube, the swab takes out the operation inconvenient during the detection.
Disclosure of Invention
The utility model aims to provide a multifunctional sample collection tube with a leakage-proof function.
The utility model comprises a tube body and an inner tube cover. The tube body is internally provided with a pre-filled test solution. The inner tube cover is plugged at the tube opening of the tube body to prevent the pre-filled test solution from leaking.
Preferably, the inner tube cover comprises a plug portion and a brim portion which are connected together. The plug body part can be plugged into the pipe orifice of the inner pipe cover. The brim portion has a diameter between the inner and outer diameters of the mouth of the tube.
Preferably, a handle portion is connected to an outer side surface of the visor portion.
Preferably, the outer side surface of the hat brim part is provided with a groove.
Preferably, the inner pipe cover is in a truncated cone shape with a small inside and a large outside.
Preferably, a swab fixing groove is formed in an end surface of the inner tube cover.
Preferably, the swab fixing groove is provided with one or more protruding snap buttons in the middle of the inner side surface.
Preferably, the swab fixing groove is in a horn shape with a large outer part and a small inner part.
Preferably, the inner tube cover is made of aluminum foil and is provided with tongue-shaped lateral wings; the inner tube cover is attached to the tube opening of the tube body.
Preferably, the utility model also comprises a dripper and a dripper cap. The dripper can be in threaded connection with the pipe orifice of the pipe body. The dripper cap is directly sleeved or screwed at the outer end of the dripper. The bottom end face of the pipe body is a plane. The bottom of the inner cavity of the tube body is conical.
Preferably, a dropper plug rod is arranged in the dropper cap. The dripper plug rod and the dripper cap are coaxially arranged. When the dripper cap is installed on the dripper, the dripper plug rod plugs the dripping outlet of the dripper.
The utility model has the beneficial effects that:
1. according to the collecting tube provided by the utility model, the inner tube cover is arranged on the tube body, so that the leakage of the pre-installed test solution is prevented in the transportation process, and the influence on the normal operation of the detection work caused by unqualified product quality and improper sample storage is effectively avoided.
2. The swab fixing groove arranged on the inner tube cover can directly take out the swab when the inner tube cover is opened for the second time, so that the operation of taking out the swab by using tweezers is omitted, the operation is simplified, and the sanitation is ensured.
3. The product collecting tube provided by the utility model can realize integrated operation of sampling, preprocessing, storing, transporting and sample adding, greatly simplifies the equipment consumable requirement and operation steps of detection work, and improves the detection efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is a schematic cross-sectional view showing the structure of example 1 of the present invention;
FIG. 3 is a schematic view of an inner tube cover in embodiment 1 of the present invention;
FIG. 4 is a schematic view of an inner tube cover in embodiment 2 of the present invention;
FIG. 5 is a schematic view of an inner tube cover in embodiment 3 of the present invention;
FIG. 6 is a schematic view of an inner tube cover in embodiment 4 of the present invention;
FIG. 7 is a schematic view of an inner tube cover in embodiment 5 of the present invention;
FIG. 8 is a schematic view of an inner tube cover in embodiment 6 of the present invention;
FIG. 9 is a schematic view of an inner tube cover in example 7 of the present invention;
fig. 10 is a schematic view of an inner tube cover in embodiment 8 of the present invention.
Fig. 11 is a schematic view of an inner tube cover in embodiment 9 of the present invention.
Fig. 12 is a schematic cross-sectional view of embodiment 10 of the present invention.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Example 1
As shown in figures 1, 2 and 3, the multifunctional sample collecting tube with the leakage-proof function comprises a tube body 1, an inner tube cover 2, a dripper 3 and a dripper cap 4. The tube body 1 is a hose; the outer side of the pipe orifice of the pipe body 1 is provided with an external thread which can be connected with an internal thread at the bottom of the dripper 3; the range from the middle part of the outer side surface of the pipe body 1 to the bottom end is cylindrical, so that the pipe body 1 can be vertically placed; the bottom of the inner cavity of the tube body 1 is conical. The outer end and the inner end of the dripper are communicated, and liquid in the pipe body 1 can be dripped out. The outer end of the dripper 3 is directly sleeved or connected with a dripper cap 4 in a threaded manner. The tube body 1 is filled with a pre-filled test solution.
The inner tube cover 2 comprises a plug body part 2-1, a brim part 2-2 and a handle part 2-3 which are integrally formed. The inner tube cover 2 is made of silica gel material. The diameter of the plug body part 2-1 is equal to or slightly larger than the pipe orifice of the pipe body 1 and can be plugged into the pipe orifice of the inner pipe cover 2. The brim 2-2 has a diameter between the inner and outer diameters of the mouth of the tube 1. So that the connection between the dripper and the pipe body is not hindered by additionally arranging the inner pipe cover; when the plug part 2-1 plugs the pipe orifice of the pipe body 1, the brim part 2-2 covers the edge of the pipe orifice of the pipe body 1 to form a limit. The inner tube cover 2 is tightly attached to the inner side of the tube opening of the tube body, so that the leakage-proof effect is achieved; the handle portion 2-3 is used to facilitate the extraction of the inner cap 2 for plugging the tube body 1. The inner end surface of the plug body part 2-1 is provided with a swab fixing groove 2-4. The middle part of the inner side surface of the swab fixing groove 2-4 is provided with a circle of four hemispherical protruding clamping blocks 2-5. The hemispherical protruding snap 2-5 is used to catch the handle end of the swab, so that the swab can be stably fixed in the tube body 1 and can be automatically taken out for sampling when the inner tube cover 2 is pulled out.
Taking the sampling detection of a nasopharyngeal swab for detecting the novel coronavirus antigen as an example, the application process of the utility model is as follows:
1) novel coronavirus antigen extract of pre-installation in body 1, inner tube lid 2 stopper is in the mouth of pipe department of body 1 for sealed body 1 avoids antigen extract to leak.
2) During sampling, after a nasopharyngeal swab is sampled, the inner tube cover 2 is opened, the swab is stretched into the tube body 1 to be fully soaked, and the tube body is pinched for extraction for a plurality of times.
3) If the real-time detection is needed, removing the swab, then adding a dripper, and detecting the dripping liquid; if the swab needs to be transported to a laboratory for detection, the swab head is inserted into the bottom of the tube body 1, and the swab handle is broken off from the tube opening; after the swab fixing groove 2-4 at the end part of the inner tube cover is aligned with the swab handle, the inner tube cover is tightly covered, so that the end part of the swab handle is clamped into the swab fixing groove 2-4; after the collection tube is transported to a laboratory, the inner tube cover is taken down (at the moment, the swab is taken out along the belt), the dripper is additionally arranged, and the dripping sample is detected;
4) when the residual sample needs to be stored temporarily after detection, a dropper cap is additionally arranged to prevent liquid leakage and pollution caused by pouring.
The vacuum method is adopted to detect the sealing performance of the collection tube provided by the embodiment, and the specific operation process is as follows: adding water with volume of 2/3 into the collection tube, placing in 0.06Mpa vacuum environment for 2min, and observing whether leakage occurs. The vacuum airtightness detection results of 100 sample collection tubes show that the liquid leakage rate is 0, which indicates that the product collection tube provided by the embodiment has good airtightness and a liquid leakage prevention effect.
Example 2
As shown in fig. 4, the present embodiment is different from embodiment 1 in that: a multifunctional sample collecting tube with leakage-proof function has no handle 2-3 on its inner tube cover 2. The inner tube cap 2 in this embodiment is slightly difficult to pull out, but is less expensive to produce.
The vacuum method is adopted to detect the sealing performance of the collection tube provided by the embodiment, and the specific operation process is as follows: adding water with volume of 2/3 into the collection tube, placing in 0.06Mpa vacuum environment for 2min, and observing whether leakage occurs. The vacuum airtightness detection results of 100 sample collection tubes show that the liquid leakage rate is 0, which indicates that the product collection tube provided by the embodiment has good airtightness and a liquid leakage prevention effect.
Example 3
As shown in fig. 5, the present embodiment is different from embodiment 1 in that: in the multifunctional sample collecting tube with the leakage-proof function, a swab fixing groove 2-4 is arranged on the end surface of the inner end of a plug body part 2-1. The swab fixing groove 2-4 is in a horn shape with a large outside and a small inside, and the protruding clamping blocks 2-5 are not arranged in the swab fixing groove 2-4.
The vacuum method is adopted to detect the sealing performance of the collection tube provided by the embodiment, and the specific operation process is as follows: adding water with volume of 2/3 into the collection tube, placing in 0.06Mpa vacuum environment for 2min, and observing whether leakage occurs. The vacuum airtightness detection results of 100 sample collection tubes show that the liquid leakage rate is 0, which indicates that the product collection tube provided by the embodiment has good airtightness and a liquid leakage prevention effect.
Example 4
As shown in fig. 6, the present embodiment is different from embodiment 1 in that: in the multifunctional sample collecting tube with the leakage-proof function, a swab fixing groove 2-4 is not arranged on the end surface of the inner end of a plug body part 2-1. This embodiment can guarantee in transit that pre-installation test solution can not leak, nevertheless does not possess the function of taking out the swab is convenient.
The vacuum method is adopted to detect the sealing performance of the collection tube provided by the embodiment, and the specific operation process is as follows: adding water with volume of 2/3 into the collection tube, placing in 0.06Mpa vacuum environment for 2min, and observing whether leakage occurs. The vacuum airtightness detection results of 100 sample collection tubes show that the liquid leakage rate is 0, which indicates that the product collection tube provided by the embodiment has good airtightness and a liquid leakage prevention effect.
Example 5
As shown in fig. 7, the present embodiment is different from embodiment 1 in that: in a multifunctional sample collection tube with a leakage-proof function, the inner tube covers 2 are different in shape; the inner tube cover 2 is in a round table shape with a small inside and a big outside. The diameter of the end part of the inner end of the inner tube cover 2 is smaller than the inner diameter of the tube opening of the tube body; the diameter of the end part of the outer end of the inner tube cover 2 is larger than the inner diameter of the tube opening of the tube body.
The inner end surface of the inner tube cover 2 is provided with a swab fixing groove 2-4. The swab fixing groove 2-4 is cylindrical or horn-shaped with a small inside and a large outside. The inner side surfaces of the swab fixing grooves 2-4 can be provided with protruding clamping blocks or not.
The vacuum method is adopted to detect the sealing performance of the collection tube provided by the embodiment, and the specific operation process is as follows: adding water with volume of 2/3 into the collection tube, placing in 0.06Mpa vacuum environment for 2min, and observing whether leakage occurs. The vacuum airtightness detection results of 100 sample collection tubes show that the liquid leakage rate is 0, which indicates that the product collection tube provided by the embodiment has good airtightness and a liquid leakage prevention effect.
Example 6
As shown in fig. 8, the present embodiment is different from embodiment 5 in that: in the multifunctional sample collecting tube with the leakage-proof function, a swab fixing groove 2-4 is not arranged on the end surface of the inner end of an inner tube cover 2.
The vacuum method is adopted to detect the sealing performance of the collection tube provided by the embodiment, and the specific operation process is as follows: adding water with volume of 2/3 into the collection tube, placing in 0.06Mpa vacuum environment for 2min, and observing whether leakage occurs. The vacuum airtightness detection results of 100 sample collection tubes show that the liquid leakage rate is 0, which indicates that the product collection tube provided by the embodiment has good airtightness and a liquid leakage prevention effect.
Example 7
As shown in fig. 9, the present embodiment is different from embodiment 1 in that: in a multifunctional sample collection tube with a leakage-proof function, the inner tube covers 2 are different in shape;
the inner tube cover 2 comprises a plug body part 2-1 and a brim part 2-2 which are integrally formed. The inner tube cover 2 is made of silica gel material. The diameter of the plug body part 2-1 is equal to or slightly larger than the pipe orifice of the pipe body 1 and can be plugged into the pipe orifice of the inner pipe cover 2. The brim 2-2 has a diameter between the inner and outer diameters of the mouth of the tube 1. The brim part 2-2 is provided with a groove 2-5.
The vacuum method is adopted to detect the sealing performance of the collection tube provided by the embodiment, and the specific operation process is as follows: adding water with volume of 2/3 into the collection tube, placing in 0.06Mpa vacuum environment for 2min, and observing whether leakage occurs. The vacuum airtightness detection results of 100 sample collection tubes show that the liquid leakage rate is 0, which indicates that the product collection tube provided by the embodiment has good airtightness and a liquid leakage prevention effect.
Example 8
As shown in fig. 10, the present embodiment is different from embodiment 1 in that: in a multifunctional sample collection tube with a leakage-proof function, the inner tube covers 2 are different in shape; the inner tube cover 2 is made of aluminum foil and is round and provided with tongue-shaped lateral wings; the inner tube cover 2 is attached to the tube opening of the tube body 1 and plays a role in sealing and preventing leakage of the pre-loaded test solution.
The vacuum method is adopted to detect the sealing performance of the collection tube provided by the embodiment, and the specific operation process is as follows: adding water with volume of 2/3 into the collection tube, placing in 0.06Mpa vacuum environment for 2min, and observing whether leakage occurs. The vacuum airtightness detection results of 100 sample collection tubes show that the liquid leakage rate is 0, which indicates that the product collection tube provided by the embodiment has good airtightness and a liquid leakage prevention effect.
Example 9
As shown in fig. 11, the present embodiment is different from embodiment 7 in that: in the multifunctional sample collecting pipe with the leakage-proof function, the brim part 2-2 of the inner pipe cover 2 is not provided with a groove 2-5.
Example 10
As shown in fig. 11, the present embodiment is different from embodiment 1 in that: a multifunctional sample collecting tube with leakage-proof function is provided, a dripper plug rod 4-1 is arranged in a dripper cap 4. The dripper plug rod 4-1 and the dripper cap 4 are coaxially arranged. The diameter of the dripper stopper rod 4-1 is equal to the diameter of the dripper outlet of the dripper 3. When the dripper cap 4 is mounted on the dripper 3, the dripper plug rod 4-1 plugs the dripper outlet of the dripper 3, so that the sealing effect of the detected sample is ensured. The end part of the outer end of the dripper stopper rod 4-1 is provided with a chamfer, so that the dripper stopper rod 4-1 can be more easily inserted into the dripping outlet of the dripper 3.
COMPARATIVE EXAMPLE 1 (without inner tube cover)
A commercially available droppable sample collection tube structurally comprises a tube body, a dropper and a dropper cap, wherein the tube body, the dropper and the dropper cap can be connected in sequence. The vacuum method is adopted to detect the sealing performance of the collection tube provided by the embodiment, and the specific operation process is as follows: adding water with volume of 2/3 into the collection tube, placing in 0.06Mpa vacuum environment for 2min, and observing whether leakage occurs. The vacuum airtightness detection result of 100 sample collection tubes shows that the liquid leakage rate is 14%. The comparison result shows that the product collecting pipe provided by the embodiment has good air tightness and the function of preventing liquid leakage.
Claims (7)
1. A multifunctional sample collection tube with a leakage-proof function comprises a tube body (1); the method is characterized in that: also comprises an inner tube cover (2); a pre-filled test solution is filled in the tube body (1); the inner tube cover (2) is plugged at the tube opening of the tube body (1) to prevent the pre-filled test solution from leaking;
the inner tube cover (2) adopts one of the following three structures;
the structure I is as follows: the inner tube cover (2) comprises a plug body part (2-1) and a brim part (2-2) which are connected together; the plug body part (2-1) can be plugged into the pipe orifice of the inner pipe cover (2); the diameter of the brim part (2-2) is between the inner diameter and the outer diameter of the pipe orifice of the pipe body (1);
the structure II is as follows: the inner pipe cover (2) is in a circular truncated cone shape with a small inside and a big outside;
the structure is three: the inner tube cover (2) adopts an aluminum foil and is provided with tongue-shaped lateral wings; the inner tube cover (2) is attached to the tube opening of the tube body (1).
2. A leak-proof multi-functional sample collection tube as defined in claim 1, further comprising: the inner tube cover (2) adopts a structure I; the outer side surface of the brim part (2-2) is connected with a handle part (2-3).
3. A leak-proof multi-functional sample collection tube as defined in claim 1, further comprising: the inner tube cover (2) adopts a structure I; the outer side surface of the hat brim part (2-2) is provided with a groove (2-5).
4. A leak-proof multi-functional sample collection tube as defined in claim 1, further comprising: the inner tube cover (2) adopts a first structure or a second structure; a swab fixing groove (2-4) is formed in the end face of the inner tube cover (2); the swab fixing groove (2-4) is cylindrical or horn-shaped with a large outside and a small inside.
5. A leak-proof multi-functional sample collection tube as defined in claim 4, further comprising: the middle part of the inner side surface of the swab fixing groove (2-4) is provided with one or more protruding snap blocks (2-5).
6. A leak-proof multi-functional sample collection tube as defined in claim 1, further comprising: the water dropper also comprises a water dropper (3) and a water dropper cap (4); the dripper (3) can be in threaded connection with the pipe orifice of the pipe body (1); the dripper cap (4) is directly sleeved or in threaded connection with the outer end of the dripper (3); the end face of the bottom end of the pipe body (1) is a plane; the bottom of the inner cavity of the tube body (1) is conical.
7. A leak-proof multi-functional sample collection tube as defined in claim 6, further comprising: a dropper plug rod (4-1) is arranged in the dropper cap (4); the dropper plug rod (4-1) and the dropper cap (4) are coaxially arranged; when the dropper cap (4) is installed on the dropper (3), the dropper plug rod (4-1) plugs the dropping outlet of the dropper (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120123869.0U CN215914701U (en) | 2021-01-18 | 2021-01-18 | Multifunctional sample collection tube with leakage-proof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120123869.0U CN215914701U (en) | 2021-01-18 | 2021-01-18 | Multifunctional sample collection tube with leakage-proof function |
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| Publication Number | Publication Date |
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| CN215914701U true CN215914701U (en) | 2022-03-01 |
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| CN202120123869.0U Active CN215914701U (en) | 2021-01-18 | 2021-01-18 | Multifunctional sample collection tube with leakage-proof function |
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- 2021-01-18 CN CN202120123869.0U patent/CN215914701U/en active Active
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