Cell collection device

Abstract

The cell collection device comprises a storage barrel, an end cover and a limiting assembly, the top end of the storage barrel is detachably connected with the end cover through threaded connection or a buckle structure, and a limiting assembly for fixing a test tube is arranged in the storage barrel; the limiting assembly comprises a disc fixed to the inner wall of the storage barrel, at least three test tube insertion holes are evenly distributed in the disc in the circumferential direction, a plurality of arc-shaped elastic pieces extending in the axial direction are arranged on the inner wall of each test tube insertion hole, and protruding parts of the arc-shaped elastic pieces extend towards the central axis direction of the test tube insertion holes. The test tube guiding device is novel in structure and ingenious in conception, and due to the unique shape and position design of the arc-shaped guiding piece, accurate guiding can be provided when the test tube is inserted, the insertion difficulty of the test tube is greatly reduced, it is ensured that the test tube smoothly enters a test tube insertion hole, and the operation efficiency is effectively improved.

Description

Technical Field

[0001] This utility model relates to a collection device, specifically a cell collection device. Background Technology

[0002] In modern medical research and clinical practice, cell collection is a crucial step in obtaining biological samples, and the accuracy of the procedure and the integrity of sample preservation have a significant impact on subsequent analysis and diagnostic results. As an important tool for carrying and protecting cell samples, the performance of cell collection devices directly affects the quality and efficiency of medical work.

[0003] Traditional cell collection devices have several shortcomings in test tube fixation. Firstly, they often lack effective guiding structures when inserting the test tube, requiring operators to expend considerable effort aligning it with the insertion hole. This cumbersome process is prone to damage due to improper handling, undoubtedly increasing the difficulty of collection and reducing efficiency. Secondly, most traditional devices employ rigid or simple elastic fixation methods, which are ill-suited for different sizes and cannot provide uniform and stable support in all directions. During transportation or handling, the test tubes are prone to shaking, which can cause cell samples to move and collide within the tube, resulting in cell damage and affecting sample quality. It can also cause the test tube to tip over, leading to sample loss and significant losses in medical procedures. Utility Model Content

[0004] In view of the above situation and to overcome the defects of the prior art, this utility model provides a cell collection device that effectively solves the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: The present invention includes: a storage tube, an end cap, and a limiting component;

[0006] The top of the storage tube is detachably connected to the end cap via a threaded connection or a snap-fit ​​structure, and a limiting component for fixing the test tube is provided inside.

[0007] The limiting component includes a disc fixed to the inner wall of the storage tube. At least three test tube insertion holes are evenly distributed on the disc along the circumference. The inner wall of each test tube insertion hole is provided with multiple arc-shaped elastic sheets extending along the axial direction. The protrusions of the arc-shaped elastic sheets extend toward the central axis of the test tube insertion hole, and their ends form an elastic compression with the outer wall of the test tube.

[0008] The width of the area formed between the arc-shaped elastic sheets is smaller than the diameter of the test tube.

[0009] Preferably, the top of the arc-shaped elastic sheet is provided with an arc-shaped guide plate that extends obliquely towards the inlet of the test tube hole. The radius of curvature of the arc-shaped guide plate is greater than the radius of curvature of the arc-shaped elastic sheet, and its concave surface faces the outside of the test tube hole.

[0010] Preferably, the arc-shaped guide piece and the arc-shaped elastic piece are integrally formed, and a smooth transition surface is formed at the connection between the two. The end of the arc-shaped guide piece is bent towards the central axis of the test tube insertion hole to form a guide inclined arc.

[0011] Preferably, the edge of the disc is provided with an annular groove, and the inner wall of the storage tube is provided with an annular protrusion that is interference-fitted with the annular groove at a corresponding position. The disc and the storage tube are fixed by snap-fit.

[0012] Preferably, the arc-shaped elastic sheet is made of polyurethane or medical silicone, and its thickness decreases from 1.5 mm to 0.8 mm along the insertion direction of the test tube. 3-6 arc-shaped elastic sheets are arranged at equal angles in each test tube insertion hole.

[0013] Preferably, the bottom outer surface of the storage tube is provided with anti-slip texture, which includes alternating raised diamond grids and recessed grooves, with the grid unit having a side length of 2-3mm and the groove depth of 0.5-1mm.

[0014] Beneficial effects: The unique shape and position design of the arc-shaped guide plate can provide precise guidance when inserting test tubes, greatly reducing the difficulty of inserting test tubes, ensuring that they enter the test tube insertion hole smoothly, and effectively improving operational efficiency.

[0015] The arc-shaped elastic sheet, made of specific materials and with a gradually varying thickness, combined with a reasonable number of sheets, ensures sufficient elastic deformation throughout the insertion process of the test tube, while also tightly fitting the outer wall of the test tube after insertion. This provides a stable and elastic connection from multiple directions, effectively preventing the test tube from shaking and providing a solid guarantee for the stability of cell samples during collection and transportation.

[0016] Excellent overall stability:

[0017] The anti-slip texture on the bottom outer surface of the storage tube increases the contact area through raised diamond-shaped grids and recessed grooves to accommodate tiny particles or liquids. The grids and grooves are arranged alternately to enhance the friction with the table surface in all directions, effectively resisting slippage caused by touch or vibration during operation and creating a stable environment for cell collection.

[0018] Significant advantages in ease of use:

[0019] The snap-fit ​​connection between the disc and the storage tube, as well as the threaded or snap-fit ​​connection between the end cap and the storage tube, makes the assembly and disassembly of the device simple and quick, saving a lot of time and effort, whether for daily use assembly or regular cleaning and maintenance disassembly.

[0020] After cell collection is completed, the operator can easily open the end cap and remove the test tubes containing cell samples one by one from the stable limiting components. The whole process is smooth and efficient, fully meeting the operator's needs for convenience in each stage of cell collection and significantly improving the overall efficiency of cell collection work. Attached Figure Description

[0021] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0024] Figure 3 This is a schematic diagram of the arc-shaped guide plate structure of this utility model;

[0025] The following are the labels in the diagram: 1. Storage tube; 2. End cap; 3. Limiting component; 31. Disc; 32. Test tube insertion hole; 33. Arc-shaped elastic sheet; 34. Arc-shaped guide sheet. Detailed Implementation

[0026] The following is in conjunction with the appendix Figure 1-3 The specific embodiments of this utility model will be described in further detail.

[0027] Example 1, by Figure 1-3 The present invention provides a cell collection device, comprising: a storage tube 1, an end cap 2, and a limiting component 3;

[0028] Overall Structure: The cell collection device provided by this utility model mainly consists of a storage tube 1, an end cap 2, and a limiting component 3. The top end of the storage tube 1 can be detachably connected to the end cap 2 via a threaded connection or a snap-fit ​​structure. The limiting component 3 is installed inside the storage tube to securely fix the test tube.

[0029] Detailed structure of limit component 3

[0030] Disc 31 and test tube insertion holes 32: The limiting component 3 includes a disc 31 fixed to the inner wall of the receiving cylinder 1, and at least three test tube insertion holes 32 are evenly distributed along the circumference of the disc 31. This design can meet the need to fix multiple test tubes at the same time and improve the collection efficiency.

[0031] Arc-shaped elastic sheet 33: Multiple axially extending arc-shaped elastic sheets 33 are provided on the inner wall of each test tube insertion hole 32. The protrusions of the arc-shaped elastic sheets 33 extend towards the central axis of the test tube insertion hole 32, and their ends can form an elastic compression with the outer wall of the test tube. This elastic compression method can firmly fix the test tube while avoiding hard damage, ensuring the safety of the test tube and the internal sample. The arc-shaped elastic sheets 33 are made of polyurethane or medical-grade silicone, possessing good elasticity and biocompatibility. Their thickness decreases from 1.5mm to 0.8mm along the test tube insertion direction. This gradual thickness design ensures sufficient elastic deformation space during initial insertion while providing a tighter fit and fixation as the insertion depth increases. Three to six arc-shaped elastic sheets 33 are evenly spaced within each test tube insertion hole 32. This optimized number setting ensures effective fixation while reasonably controlling cost and structural complexity.

[0032] Arc-shaped guide plate 34: The top of the arc-shaped elastic plate 33 is provided with an arc-shaped guide plate 34 that extends obliquely towards the inlet of the test tube insertion hole 32. The radius of curvature of the arc-shaped guide plate 34 is larger than that of the arc-shaped elastic plate 33, and its concave surface faces the outside of the test tube insertion hole 32. The arc-shaped guide plate 34 and the arc-shaped elastic plate 33 are integrally formed, and a smooth transition surface is formed at the connection between the two. The end of the arc-shaped guide plate 34 bends towards the central axis of the test tube insertion hole 32 to form a guide inclined arc. The arc-shaped guide plate 34 can play a good guiding role when the test tube is inserted, making it easier and more accurate to insert the test tube into the test tube insertion hole 32, which is convenient for the operator.

[0033] The connection structure between the disc 31 and the storage tube 1: The edge of the disc 31 is provided with an annular groove, and the inner wall of the storage tube 1 is provided with an annular protrusion that is interference-fitted with the annular groove at the corresponding position. The disc 31 and the storage tube 1 are fixed by this snap-fit ​​method. This connection method is convenient for installation and disassembly, and facilitates cleaning and maintenance of the limiting component 3 or the storage tube 1.

[0034] The storage tube 1 features an anti-slip design: The bottom outer surface of the storage tube 1 is textured with alternating raised diamond-shaped grids and recessed grooves. The grid unit side length is 2-3mm, and the groove depth is 0.5-1mm. This anti-slip design effectively increases the friction between the storage tube 1 and the surface it is placed on, preventing accidental slippage during cell collection and improving the stability and operational safety of the device.

[0035] Working Principle: In use, the initial guidance of this invention is as follows: When the test tube is inserted into the cell collection device, it first contacts the arc-shaped guide plate 34. The arc-shaped guide plate 34 extends obliquely towards the inlet of the test tube insertion hole 32, and its radius of curvature is greater than that of the arc-shaped elastic plate 33, with its concave surface facing the outer side of the test tube insertion hole 32. This special shape design allows the test tube to be naturally guided to the insertion position as it approaches the test tube insertion hole 32. When the test tube contacts the guide slope arc formed by the end of the arc-shaped guide plate 34 bending towards the central axis of the test tube insertion hole 32, it will be further aligned with the center of the test tube insertion hole 32 under the action of the slope, thus smoothly entering the test tube insertion hole 32.

[0036] Elastic Fixation: As the test tube is inserted into the test tube socket 32, the outer wall of the test tube begins to compress the axially extending arc-shaped elastic sheet 33. The arc-shaped elastic sheet 33 is made of a material with good elasticity and biocompatibility, such as polyurethane or medical-grade silicone. Its thickness decreases from 1.5 mm to 0.8 mm along the insertion direction of the test tube. This gradual thickness allows the thicker part to generate greater elastic deformation during the initial insertion of the test tube, providing sufficient insertion space. As the insertion depth increases, the thinner part can fit tightly against the outer wall of the test tube, achieving a more stable fixation. Three to six arc-shaped elastic sheets 33 are evenly spaced within each test tube socket 32. These arc-shaped elastic sheets 33 work together to form an elastic compression against the outer wall of the test tube from multiple directions, ensuring that the test tube is firmly fixed within the test tube socket 32, effectively preventing test tube movement and ensuring the stability of the cell sample during collection and transportation.

[0037] Overall stability principle

[0038] The bottom outer surface of the collection tube 1 is equipped with an anti-slip texture, consisting of alternating raised diamond-shaped grids and recessed grooves. The grid unit side length is 2-3 mm, and the groove depth is 0.5-1 mm. When the cell collection device is placed on the operating table, the anti-slip texture makes close contact with the table surface. The raised diamond-shaped grids increase the contact area with the table surface, while the recessed grooves can accommodate any small particles or liquids, further enhancing friction. Simultaneously, the alternating arrangement of the grids and grooves provides stable friction in all directions, preventing the device from slipping due to operator touch, table vibration, or other factors during operation, ensuring that cell collection can be performed in a stable environment.

[0039] Convenient operation principle

[0040] Ease of assembly: The disc 31 and the storage tube 1 are secured by a snap-fit ​​mechanism using an annular groove and an annular protrusion. This connection method allows for easy assembly of the cell collection device; simply align the annular groove on the edge of the disc 31 with the annular protrusion on the inner wall of the storage tube 1 and press gently to complete the installation. Similarly, when disassembly for cleaning or maintenance is required, the disc 31 can be easily removed from the storage tube 1, making the operation simple and convenient. The end cap 2 is detachably connected to the storage tube 1 via a threaded connection or a snap-fit ​​structure. Regardless of the connection method, operators can quickly open or close the end cap 2, facilitating access to the test tubes inside the device.

[0041] Sample processing convenience: After cell collection is completed, the operator can reopen end cap 2. Since the test tubes are securely fixed within the test tube insertion hole 32 of the limiting component 3, the test tubes containing cell samples can be easily removed one by one for subsequent processing. The design of the entire cell collection device fully considers the operator's convenience needs at each stage, improving the overall efficiency of cell collection.

[0042] Beneficial effects: Reliable test tube fixation effect:

[0043] The unique shape and position design of the arc-shaped guide plate 34 can provide precise guidance when inserting the test tube, greatly reducing the difficulty of inserting the test tube and ensuring that it enters the test tube insertion hole 32 smoothly, effectively improving the efficiency of operation.

[0044] The arc-shaped elastic sheet 33 is made of a specific material and has a gradually varying thickness. Combined with a reasonable number of sheets, it can ensure sufficient elastic deformation to adapt to the insertion of the test tube throughout the entire insertion process. After insertion, it can also fit tightly against the outer wall of the test tube, achieving a stable and elastic connection from multiple directions. This effectively prevents the test tube from shaking and provides a solid guarantee for the stability of cell samples during collection and transportation.

[0045] Excellent overall stability:

[0046] The anti-slip texture on the bottom outer surface of the storage tube 1 increases the contact area through raised diamond-shaped mesh and recessed grooves to accommodate tiny particles or liquids. The mesh and grooves are arranged alternately to enhance the friction with the table surface in all directions, effectively resisting slippage caused by touch, vibration, etc. during operation, and creating a stable environment for cell collection.

[0047] Significant advantages in ease of use:

[0048] The snap-fit ​​connection between the disc 31 and the storage tube 1, as well as the threaded or snap-fit ​​connection between the end cap 2 and the storage tube 1, makes the assembly and disassembly of the device simple and quick, saving a lot of time and effort, whether for daily use assembly or regular cleaning and maintenance disassembly.

[0049] After cell collection is completed, the operator can easily open the end cap 2 and take out the test tubes containing cell samples one by one from the stable limiting component 3. The whole process is smooth and efficient, fully meeting the operator's needs for convenience in each stage of cell collection and significantly improving the overall efficiency of cell collection work.

[0050] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A cell collection device, comprising: include: Storage tube (1), end cap (2) and limiting assembly (3); The top of the storage tube (1) is detachably connected to the end cap (2) by a threaded connection or a snap-fit ​​structure, and a limiting component (3) for fixing the test tube is provided inside. The limiting component (3) includes a disc (31) fixed to the inner wall of the storage tube (1). At least three test tube insertion holes (32) are evenly distributed on the disc (31) along the circumference. The inner wall of each test tube insertion hole (32) is provided with a plurality of arc-shaped elastic sheets (33) extending along the axial direction. The protrusion of the arc-shaped elastic sheet (33) extends toward the central axis of the test tube insertion hole (32), and its end forms an elastic compression with the outer wall of the test tube. The width of the area formed between each of the arc-shaped elastic sheets (33) is smaller than the diameter of the test tube.

2. The cell collection device according to claim 1, characterized in that: The top of the arc-shaped elastic sheet (33) is provided with an arc-shaped guide sheet (34) that extends obliquely toward the entrance of the test tube insertion hole (32). The radius of curvature of the arc-shaped guide sheet (34) is greater than that of the arc-shaped elastic sheet (33), and its concave surface faces the outside of the test tube insertion hole (32).

3. The cell collection device of claim 2, wherein: The arc-shaped guide piece (34) and the arc-shaped elastic piece (33) are integrally formed, and a smooth transition surface is formed at the connection between the two. The end of the arc-shaped guide piece (34) is bent towards the central axis of the test tube insertion hole (32) to form a guide inclined arc.

4. The cell collection device of claim 3, wherein: The arc-shaped elastic sheet (33) is made of polyurethane or medical silicone material, and its thickness decreases from 1.5 mm to 0.8 mm along the insertion direction of the test tube. 3-6 arc-shaped elastic sheets (33) are arranged at equal angles in each test tube insertion hole (32).

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