Biological sample collecting device
By designing a biological sample collection device and utilizing the pre-cooling of the liquid storage chamber and the limit block spring structure, the problem of low-temperature storage of biological samples after collection is solved, rapid low-temperature storage and stable connection are achieved, and sample quality and operational efficiency are improved.
Patent Information
- Application Number
- CN202422578892.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-24
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-10-24
AI Technical Summary
Existing biological samples need to be transferred to a low-temperature environment for a long time after collection, which leads to reduced cell activity and DNA/RNA degradation, affecting sample quality and analysis accuracy.
A biological sample collection device is designed, including a sampling tube, a fixing frame and a connecting assembly. By pre-injecting water into the liquid storage chamber and placing it in a refrigerator for cooling, low-temperature storage is achieved. The sampling tube and the fixing frame are quickly and firmly connected through a limit block and a spring structure.
It enables biological samples to be stored at low temperatures immediately after collection, reduces room temperature exposure time, improves sample preservation efficiency and quality, simplifies operating procedures, ensures connection stability and security, and prevents samples from falling off or being damaged.
Smart Images

Figure CN223453259U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of collection device, specifically is a biological sample collection device. BACKGROUND
[0002] Biological samples usually refer to flowers, leaves, stems, roots, seeds and the like of plants, body fluids (such as urine, blood, saliva, bile, gastric juice, lymph and other secretions of living organisms and the like), hair, muscle and some tissue organs (such as thymus, pancreas, liver, lung, brain, stomach, kidney and the like) and various microorganisms. At present, after detection personnel collect biological samples by cotton balls and cotton swabs, the biological samples need to be stored in test tube barrels.
[0003] Traditional biological samples need to be transferred to a low-temperature environment for preservation after collection for a long time. During this process, the samples are easily affected by the room temperature environment, resulting in reduced cell activity, degraded DNA / RNA and other adverse consequences, which seriously affect the quality of the samples and the accuracy of subsequent analysis. Therefore, a biological sample collection device is proposed. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a biological sample collection device to solve the problems in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a biological sample collection device, comprising a sampling tube, a tube cover is threadedly connected to the top of the sampling tube, a connecting rod is connected to the bottom of the tube cover, and a cotton ball for biological sample collection is connected to the bottom of the connecting rod;
[0006] A fixing frame is arranged on the outside of the sampling tube, and an insertion cavity is arranged on the inside of the fixing frame and sleeved with the outside of the sampling tube;
[0007] A connecting assembly is arranged on one side of the fixing frame;
[0008] The connecting assembly comprises two first sliding plates, two sliding columns are fixed to the bottom of each first sliding plate, and a second sliding plate is fixed to the bottom of each sliding column;
[0009] Two connecting blocks are fixed to the outside of the sampling tube, and a liquid storage cavity is formed in the inner wall of the fixing frame.
[0010] As a preferred, two first sliding grooves and two second sliding grooves are respectively formed in the inner wall of the fixing frame, and the outside of the first sliding plate is slidably connected to the inside of the first sliding groove.
[0011] As a preferred, a spring is sleeved with the outside of the sliding column, and the two ends of the spring are respectively connected to one side of the first sliding plate and the first sliding groove.
[0012] As preferred, the outer side of the second sliding plate is connected to the inner side of the second sliding groove, and the inner wall of the first sliding groove is provided with a limiting block between the insertion groove and the limiting groove.
[0013] As preferred, the inner wall of the first sliding groove is respectively provided with an insertion groove and a limiting groove, and the insertion groove, the limiting groove and the first sliding groove are connected.
[0014] As preferred, when the connecting block is inserted into the insertion groove, the connecting block pushes the first sliding plate downward to slide in the inner side of the first sliding groove.
[0015] As preferred, when the connecting block is located in the inner side of the limiting groove, the sampling tube and the fixing frame are in a connected state, and when the connecting block is away from the inner side of the limiting groove, the sampling tube and the fixing frame are in a separated state.
[0016] Compared with the prior art, the above technical scheme has the following technical effects:
[0017] I. By pre-injecting water into the inner side of the liquid storage cavity and placing it in the refrigerator for cooling, a low-temperature environment can be quickly provided for biological samples. When the sampling tube is connected to the fixing frame, the low-temperature environment in the liquid storage cavity can immediately preserve the biological samples at low temperature, effectively reducing the time the samples are exposed to room temperature after collection, thereby improving the preservation efficiency and quality of the samples.
[0018] II. By inserting the connecting block into the insertion groove and rotating the sampling tube clockwise, the structure of the limiting block and the limiting groove ensures that the sampling tube can be stably fixed on the fixing frame after connection, and the connection is completed under the elastic force of the spring, greatly simplifying the operation process, improving the work efficiency, realizing the quick connection and separation of the sampling tube and the fixing frame, and ensuring the stability and safety of the connection, avoiding the sample from falling off or being damaged due to loose connection during low-temperature preservation and transportation. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the description of the embodiments or the prior art will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0020] Figure 1 It is a schematic view of the appearance structure of the fixing frame of the present application;
[0021] Figure 2 It is a schematic view of the appearance structure of the sampling tube of the present application;
[0022] Figure 3 It is the cotton ball position structure schematic view of the utility model;
[0023] Figure 4 It is the insertion slot structure schematic view of the utility model;
[0024] Figure 5 It is the first sliding plate structure schematic view of the utility model;
[0025] Figure 6 It is the liquid storage cavity structure schematic view of the utility model;
[0026] Figure 7 It is the second sliding groove structure schematic view of the utility model.
[0027] Mark explanation: 1, sampling pipe; 2, pipe cover; 3, connecting assembly; 31, connecting block; 32, insertion slot; 33, limit block; 34, limit slot; 35, first sliding plate; 36, sliding column; 37, first sliding groove; 38, spring; 39, liquid storage cavity; 310, second sliding groove; 311, second sliding plate; 4, fixed frame; 5, cotton ball; 6, insertion cavity; 7, connecting rod. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0029] It should be known that the structure, proportion, size and the like shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art, not to limit the limiting conditions of the implementable application, so it does not have the technical substantive meaning. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that the application can produce and achieve, should still fall within the scope of the technical content disclosed in the application.
[0030] EMBODIMENT
[0031] Please refer to Figures 1-7The utility model provides a technical scheme: a biological sample collection device, including the sampling tube 1, the sampling tube 1 top is connected with the pipe cover 2 with screw thread, the pipe cover 2 bottom is connected with the connecting rod 7, the connecting rod 7 bottom is connected with the cotton ball 5 for biological sample collection, staff hand fetches the pipe cover 2, the pipe cover 2 drives the connecting rod 7 and cotton ball 5 and biological sample contact, at this time to biological sample carries out collection, the sampling tube 1 outside is equipped with the fixing frame 4, the fixing frame 4 inboard is equipped with the insertion cavity 6 of sleeve connection in the sampling tube 1 outside,
[0032] In order to facilitate the dismounting between sampling tube 1 and fixing frame 4, be provided with connecting assembly 3, connecting assembly 3 includes the first slide 35 of two numbers, the first slide 35 bottom is fixed with the slide column 36 of two numbers, the slide column 36 bottom is fixed with the second slide 311, the sampling tube 1 outside is fixed with the connecting block 31 of two numbers, the fixing frame 4 inner wall is set up with the liquid storage cavity 39, injects water in the liquid storage cavity 39 inboard, make the temperature of liquid storage cavity 39 0-8 DEG C, at this time the fixing frame 4 is placed in the refrigerator, the water in the liquid storage cavity 39 inboard is cooled.
[0033] The fixing frame 4 inner wall is respectively set up with the first sliding groove 37 and the second sliding groove 310 of two numbers, the first slide 35 outside is connected to the inboard of the first sliding groove 37, the connecting block 31 of sampling tube 1 both sides is inserted in the inboard of insertion slot 32, then continue to push sampling tube 1 downwards, make the first slide 35 slide in the inboard of the first sliding groove 37, at this time the first slide 35 compresses spring 38, the both ends of spring 38 are connected to the first slide 35 and the one side of the first sliding groove 37, the inboard of the second sliding groove 310 is connected to the outside of the second slide 311, the first sliding groove 37 inner wall is equipped with the limiting block 33 between insertion slot 32 and limiting slot 34, the first slide 35 pushes the slide column 36 and moves downwards, the slide column 36 pushes the second slide 311 and slides in the inboard of the second sliding groove 310.
[0034] The first sliding groove 37 inner wall is respectively equipped with insertion slot 32 and limiting slot 34, insertion slot 32, limiting slot 34 and the first sliding groove 37 are connected, when connecting block 31 is inserted in insertion slot 32 downwards, connecting block 31 pushes the first slide 35 and slides in the inboard of the first sliding groove 37 downwards, under the elastic force of spring 38, push connecting block 31 to enter the inboard of limiting slot 34, at this time complete the connection of sampling tube 1 and fixing frame 4, make the liquid storage cavity 39 low-temperature preservation transport after biological sample collection, when connecting block 31 is in the inboard of limiting slot 34, sampling tube 1 and fixing frame 4 are in the connection state, when connecting block 31 leaves the inboard of limiting slot 34, sampling tube 1 and fixing frame 4 are in the separation state.
[0035] Working principle: when biological sample collection is needed, first the staff takes the tube cover 2 with his hand, the tube cover 2 drives the connecting rod 7 and the cotton ball 5 to contact the biological sample, at this time the biological sample is collected, then the cotton ball 5 and the connecting rod 7 are inserted into the inside of the sampling tube 1, then the tube cover 2 is rotated to make the tube cover 2 threadedly connected with the sampling tube 1, at this time the collection of the biological sample is completed;
[0036] The inside of the liquid storage cavity 39 is injected with water in advance, at this time the fixed frame 4 is placed inside the refrigerator, the water in the inside of the liquid storage cavity 39 is cooled, then the connecting blocks 31 on both sides of the sampling tube 1 are inserted into the insertion grooves 32, then the sampling tube 1 is continuously pushed down to make the first sliding plate 35 slide in the first sliding groove 37, at this time the first sliding plate 35 compresses the spring 38, then the first sliding plate 35 pushes the sliding column 36 to move downward, the sliding column 36 pushes the second sliding plate 311 to slide in the second sliding groove 310;
[0037] Then the sampling tube 1 is rotated clockwise to make the connecting blocks 31 slide past the limiting blocks 33 on one side, when the connecting blocks 31 are located below the limiting grooves 34, the pressure pushing the sampling tube 1 downward is released, at this time the connecting blocks 31 are pushed into the limiting grooves 34 under the elastic force of the spring 38, at this time the connection of the sampling tube 1 and the fixed frame 4 is completed, so that the liquid storage cavity 39 can store and transport the biological sample collected at low temperature;
[0038] When the fixed frame 4 and the sampling tube 1 need to be separated, the sampling tube 1 only needs to be pushed downward, then the sampling tube 1 is counterclockwise rotated to make the sampling tube 1 drive the connecting blocks 31 to slide in the first sliding groove 37, when the connecting blocks 31 are located on one side of the insertion grooves 32, the pressure pushing downward is released, at this time the connecting blocks 31 slide into the insertion grooves 32 under the elastic force of the spring 38, then the sampling tube 1 is pulled upward, so that the sampling tube 1 and the fixed frame 4 can be separated.
[0039] In summary, by injecting water into the inside of the liquid storage cavity 39 in advance and placing it in the refrigerator to cool, a low-temperature environment can be quickly provided for the biological sample. When the sampling tube 1 is connected with the fixed frame 4, the low-temperature environment in the liquid storage cavity 39 can immediately store the biological sample at low temperature, effectively reducing the time the sample is exposed to room temperature after collection, thereby improving the storage efficiency and quality of the sample.
[0040] Through the operation of the operator, only the connecting blocks 31 need to be inserted into the insertion grooves 32 and the sampling tube 1 needs to be rotated clockwise, the structure of the limiting blocks 33 and the limiting grooves 34 ensures that the sampling tube 1 can be stably fixed on the fixed frame 4 after connection, the connection is completed under the elastic force of the spring 38, which greatly simplifies the operation process, improves the work efficiency, realizes the quick connection and separation of the sampling tube 1 and the fixed frame 4, and the operation is simple and convenient, which ensures the stability and safety of the connection, avoids the sample from falling off or being damaged due to unstable connection during low-temperature storage and transportation.
[0041] It is to be understood that the features recited in the various embodiments and / or claims of the present application can be combined or / and combined in a variety of ways, even if such combinations have not been expressly disclosed in the present application. In particular, the features recited in the various embodiments and / or claims of the present application can be combined and / or combined in a variety of ways without departing from the spirit and teachings of the present application. All such combinations and / or combinations fall within the scope of the present application.
Claims
1. A biological sample collection device comprising a sampling tube (1), characterized in that: The sampling tube (1) top threaded connection has pipe cover (2), the pipe cover (2) bottom connection has connecting rod (7), the connecting rod (7) bottom connection has for biological sample collection cotton ball (5); The sampling tube (1) outside is equipped with fixed frame (4), the fixed frame (4) inside is equipped with the insertion cavity (6) of sleeve connection in sampling tube (1) outside; The fixed frame (4) one side is equipped with connecting assembly (3); The connecting assembly (3) includes two first sliding plates (35), the first sliding plate (35) bottom is fixed with two slide columns (36), the slide column (36) bottom is fixed with second sliding plate (311); The sampling tube (1) outside is fixed with two connecting blocks (31), the fixed frame (4) inner wall is provided with liquid storage cavity (39).
2. The biological sample collection device of claim 1, wherein: The fixed frame (4) inner wall is respectively provided with two first sliding grooves (37) and second sliding grooves (310), the outside of the first sliding plate (35) is connected with the inside of the first sliding groove (37).
3. The biological sample collection device of claim 2, wherein: The slide column (36) outside is sleeved with spring (38), and the both ends of the spring (38) are connected with the first sliding plate (35) and one side of the first sliding groove (37).
4. The biological sample collection device of claim 3, wherein: The outside of the second sliding plate (311) is connected with the inside of the second sliding groove (310), and the inner wall of the first sliding groove (37) is provided with a limiting block (33) between the insertion slot (32) and the limiting slot (34).
5. The biological sample collection device of claim 4, wherein: The first sliding groove (37) inner wall is respectively provided with insertion slot (32) and limiting slot (34), and the insertion slot (32), the limiting slot (34) and the first sliding groove (37) are connected.
6. The biological sample collection device of claim 5, wherein: When the connecting block (31) is inserted into the insertion slot (32), the connecting block (31) pushes the first sliding plate (35) downward to slide in the inside of the first sliding groove (37).
7. The biological sample collection device of claim 6, wherein: When the connecting block (31) is located in the inside of the limiting slot (34), the sampling tube (1) and the fixed frame (4) are in the connected state, and when the connecting block (31) is away from the inside of the limiting slot (34), the sampling tube (1) and the fixed frame (4) are in the separated state.