A cell culture fluid sampling device

Abstract

The utility model provides a cell culture solution sampling device belongs to technical field. Including fixed frame, sampling cylinder and storage tube, the fixed frame is C shape structure, and both sides are fixedly installed with side pole respectively, the inside vertical installation of fixed frame has sampling cylinder, the vertical part of fixed frame is installed with a plurality of interval arrangement's storage tube, the storage tube is horizontally arranged, and can be detachably connected with fixed frame, the fixed frame is equipped with the protective strip at corresponding storage tube department, the protective strip is soft rubber material, and the outer wall of storage tube is pasted, the top vertical swing installation of fixed frame has piston rod, the bottom of piston rod is fixed with piston head. The utility model integrates design makes the device convenient to carry and remove, no matter is between different experimental place shifts, or carries out field cell culture research, can carry, improves the flexibility of sampling work.

Description

Technical Field

[0001] This utility model relates to the technical field, and in particular to a cell culture medium sampling device. Background Technology

[0002] Cell culture medium, as a crucial environment for cell growth, proliferation, and maintenance of normal physiological functions, plays a decisive role in the success of cell research through precise monitoring and analysis of its composition and state. However, most laboratories still rely on manual sampling. Researchers must first use tools such as pipettes to aspirate the culture medium from the culture container and then transfer it to a specific storage container. This process involves multiple components, including pipettes, tips, and storage tubes. The sampling devices are bulky and heavy, making them inconvenient to carry and move. When sampling is required at different experimental sites or for field cell culture research, the portability of these devices is insufficient. After sampling, researchers also need to transfer the samples to other storage devices, which not only increases the complexity of the operation but also easily leads to sample contamination or damage during the transfer process. Utility Model Content

[0003] The technical problem to be solved by this invention is to provide a cell culture medium sampling device to solve the problem that after sampling, the experimenter still needs to transfer the sample to other storage devices, which not only increases the complexity of the operation, but also easily leads to the sample being contaminated or damaged during the transfer process.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: A cell culture medium sampling device includes a frame, a sampling tube, and a storage tube. The frame has a C-shaped structure and side rods are fixedly installed on both sides. The sampling tube is vertically installed on the inner side of the frame. Multiple storage tubes are spaced apart and installed on the vertical part of the frame. The storage tubes are horizontally arranged and detachably connected to the frame. A protective strip is provided on the frame corresponding to the storage tube. The protective strip is made of soft rubber and fits against the outer wall of the storage tube.

[0005] Optionally, a piston rod is vertically and movably mounted above the fixing frame, and a piston head is fixed to the bottom of the piston rod.

[0006] Optionally, the outer wall of the fixing frame has a groove corresponding to the storage tube, and a limit block is movably installed in the groove.

[0007] Optionally, the limiting block passes through the fixing frame and is inserted and fixed to the storage tube, and the outer wall of the storage tube is provided with a slot adapted to the limiting block.

[0008] Optionally, a sliding groove is horizontally formed on the inner wall of the bottom end of the groove, and a slider is slidably installed in the sliding groove.

[0009] Optionally, the top of the slider is fixedly connected to the limiting block, and a spring is horizontally installed in the groove, with one end of the spring fixedly connected to the inner wall of the groove and the other end fixedly connected to the slider.

[0010] Optionally, the bottom of the fixture has a mounting hole through which the sampling tube passes.

[0011] Optionally, a limit bolt is threaded onto the bottom side wall of the fixing frame, and a limit hole adapted to the limit bolt is provided on the lower side wall of the sampling cylinder.

[0012] Optionally, a sealing cap is threaded onto the end of the storage tube.

[0013] Compared with the prior art, this utility model has at least the following beneficial effects: In the above scheme, the fixing frame has a C-shaped structure with side rods fixedly installed on both sides. The sampling tube is vertically installed inside the fixing frame, and multiple storage tubes are arranged horizontally at intervals on the vertical part of the fixing frame. The integrated design makes the device easy to carry and move. It can be carried whether it is transferred between different experimental sites or used for field cell culture research, which improves the flexibility of sampling work.

[0014] The culture medium is drawn and ejected using the principle of negative pressure through the cooperation of the piston rod and piston head. The operation is simple and intuitive; the experimenter only needs to move the piston rod up and down to complete the sampling and sample transfer operations, shortening the sampling time. The mounting frame has multiple spaced and detachable storage tubes, which can store multiple samples simultaneously to meet the needs of large-scale experiments or multiple sample collections. Each storage tube is securely installed on the mounting frame with the cooperation of limiting blocks and slots, and has a protective strip attached to the outer wall of the storage tube. The protective strip is made of soft rubber and provides cushioning protection. It can be removed in time as needed for sampling. Attached Figure Description

[0015] The accompanying drawings, which are incorporated herein and form part of the specification, illustrate embodiments of the present invention and, together with the specification, further serve to explain the principles of the present invention and enable those skilled in the art to implement and use the present invention.

[0016] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the three-dimensional structure of the fixing frame; Figure 3 for Figure 1 Enlarged structural diagram at point A in the middle; Figure 4 This is a schematic diagram of a partial structure at the bottom of the mounting bracket; Figure 5This is a schematic diagram of the storage tube split state structure.

[0017] Reference numerals in the attached drawings: 1. Fixing frame; 2. Storage tube; 3. Protective strip; 4. Side rod; 5. Piston rod; 6. Piston head; 7. Limiting block; 8. Spring; 9. Sliding block; 10. Slide groove; 11. Groove; 12. Mounting hole; 13. Limiting bolt; 14. Slot; 15. Sealing cap; 16. Sampling tube.

[0018] As shown in the figure, specific structures and devices are marked in the figure to clearly illustrate the structure of the embodiment of this utility model. However, this is only for illustrative purposes and is not intended to limit this utility model to this specific structure, device and environment. Those skilled in the art can adjust or modify these devices and environments according to specific needs. Detailed Implementation

[0019] The cell culture medium sampling device provided by this utility model will be described in detail below with reference to the accompanying drawings and specific embodiments. It should also be noted that, in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art can use other alternative methods to implement some known technologies; moreover, the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit this utility model.

[0020] It should be noted that the use of terms such as "an embodiment," "an embodiment," "an exemplary embodiment," and "some embodiments" in the specification indicates that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, when describing a specific feature, structure, or characteristic in conjunction with embodiments, the implementation of such feature, structure, or characteristic in conjunction with other embodiments, whether or not explicitly described, should be within the knowledge of those skilled in the art.

[0021] Generally, terms can be understood at least partly from their use in context. For example, depending at least partly on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in a singular sense, or a combination of features, structures, or characteristics in a plural sense. Additionally, the term "based on" can be understood not necessarily to convey an exclusive set of factors, but rather, alternatively, depending at least partly on the context, to allow for the presence of other factors that are not necessarily explicitly described.

[0022] It is understood that the meanings of “on”, “above”, and “above” in this utility model should be interpreted in the broadest manner, such that “on” not only means “directly on” something, but also includes the meaning of being “on” something with an intervening feature or layer, and that “above” or “above” not only means “on” something, but also includes the meaning of being “on” something without an intervening feature or layer.

[0023] Furthermore, spatially related terms such as “below,” “under,” “lower,” “above,” and “upper” are used herein for convenience to describe the relationship of one element or feature to one or more other elements or features, as illustrated in the accompanying drawings. Spatially related terms are intended to cover different orientations in the use or operation of the device other than those depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially related descriptive terms used herein can be interpreted similarly.

[0024] like Figure 1 , Figure 2 As shown, an embodiment of this utility model provides a cell culture medium sampling device, including a fixing frame 1, a sampling tube 16, and a storage tube 2. The fixing frame 1 has a C-shaped structure, and side rods 4 are fixedly installed on both sides. The sampling tube 16 is vertically installed on the inner side of the fixing frame 1. Multiple storage tubes 2 are arranged at intervals on the vertical part of the fixing frame 1. The storage tubes 2 are horizontally arranged and detachably connected to the fixing frame 1. A protective strip 3 is provided on the fixing frame 1 corresponding to the storage tube 2. The protective strip 3 is made of soft rubber and fits against the outer wall of the storage tube 2. A piston rod 5 is vertically movably installed above the fixing frame 1, and a piston head 6 is fixed to the bottom of the piston rod 5.

[0025] like Figure 3 , Figure 5 As shown, the outer wall of the fixing frame 1 has a groove 11 corresponding to the storage tube 2, and a limiting block 7 is movably installed in the groove 11. The limiting block 7 passes through the fixing frame 1 and is inserted and fixed to the storage tube 2. The outer wall of the storage tube 2 has a slot 14 adapted to the limiting block 7. A sliding groove 10 is horizontally opened on the inner wall of the bottom end of the groove 11, and a slider 9 is slidably installed in the sliding groove 10. The top of the slider 9 is fixedly connected to the limiting block 7. A spring 8 is horizontally installed in the sliding groove 10. One end of the spring 8 is fixedly connected to the inner wall of the sliding groove 10, and the other end is fixedly connected to the slider 9. A sealing cap 15 is threadedly installed at the end of the storage tube 2.

[0026] like Figure 2 , Figure 4As shown, the bottom of the fixing frame 1 has a mounting hole 12, through which the sampling cylinder 16 passes. A limit bolt 13 is threaded on the bottom side wall of the fixing frame 1, and the lower side wall of the sampling cylinder 16 has a limit hole adapted to the limit bolt 13.

[0027] The working principle of the technical solution provided by this utility model is as follows: the sampling tube 16 is passed through the mounting hole 12 at the bottom of the fixing frame 1, and the limiting bolt 13 on the bottom side wall of the fixing frame 1 is rotated to make it cooperate with the limiting hole at the bottom side wall of the sampling tube 16, thereby firmly installing the sampling tube 16 on the fixing frame 1. At this time, the bottom adsorption end of the sampling tube 16 is in a state where it can absorb culture medium.

[0028] Pull the piston rod 5, which is vertically mounted on the top of the fixed frame 1, upward. Since the piston head 6 is fixed at the bottom of the piston rod 5, as the piston rod 5 moves upward, the piston head 6 moves upward inside the sampling cylinder 16, creating a negative pressure environment inside the sampling cylinder 16. Under this negative pressure, the cell culture medium at the bottom adsorption end of the sampling cylinder 16 is drawn into the sampling cylinder 16.

[0029] After a suitable amount of culture medium is drawn into the sampling tube 16, the storage tube 2 is removed. Then, the sealing cap 15 is opened above the opening of the storage tube 2 at the adsorption end of the sampling tube 16, and the piston rod 5 is pushed down. The piston head 6 moves down accordingly, pushing the culture medium in the sampling tube 16 into the storage tube 2.

[0030] Then, the sealing cap 15 is installed, and the storage tube 2 is placed inside the fixing frame 1. The outer wall of the fixing frame 1 has a groove 11 at the installation position of the storage tube 2. A limiting block 7 is movably installed in the groove 11, passing through the fixing frame 1 and engaging with a slot 14 on the outer wall of the storage tube 2. Simultaneously, a slider is slidably installed in a groove 10 on the inner wall of the bottom of the groove 11. The top of the slider is fixedly connected to the limiting block 7. A spring 8 is also horizontally installed in the groove 10, with one end connected to the inner wall of the groove 10 and the other end connected to the slider. Under the action of the spring 8, the limiting block 7 can be stably inserted into the slot 14, ensuring that the storage tube 2 is securely installed on the fixing frame 1. The storage tube 2 can be removed or placed by pulling the limiting block 7.

[0031] This utility model encompasses any substitutions, modifications, equivalent methods, and solutions made within the spirit and scope of this utility model. To provide the public with a thorough understanding of this utility model, specific details are described in detail in the following preferred embodiments; however, those skilled in the art will fully understand this utility model even without these detailed descriptions. Furthermore, to avoid unnecessary confusion regarding the essence of this utility model, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0032] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A cell culture medium sampling device, comprising a fixture (1), a sampling tube (16), and a storage tube (2), characterized in that, The fixing frame (1) has a C-shaped structure and side rods (4) are fixedly installed on both sides. A sampling cylinder (16) is vertically installed on the inner side of the fixing frame (1). The vertical part of the fixing frame (1) is equipped with a plurality of spaced storage tubes (2), the storage tubes (2) are horizontally arranged and can be detachably connected to the fixing frame (1); The fixing frame (1) is provided with a protective strip (3) corresponding to the storage tube (2). The protective strip (3) is made of soft rubber and fits the outer wall of the storage tube (2).

2. The cell culture medium sampling device according to claim 1, characterized in that, A piston rod (5) is vertically and movably installed above the fixed frame (1), and a piston head (6) is fixed at the bottom of the piston rod (5).

3. The cell culture medium sampling device according to claim 1, characterized in that, The outer wall of the fixing frame (1) has a groove (11) corresponding to the storage tube (2), and a limiting block (7) is movably installed in the groove (11).

4. The cell culture medium sampling device according to claim 3, characterized in that, The limiting block (7) passes through the fixing frame (1) and is inserted and fixed to the storage tube (2). The outer wall of the storage tube (2) is provided with a slot (14) adapted to the limiting block (7).

5. The cell culture medium sampling device according to claim 4, characterized in that, A sliding groove (10) is horizontally opened on the inner wall of the bottom end of the groove (11), and a slider (9) is slidably installed in the sliding groove (10).

6. The cell culture medium sampling device according to claim 5, characterized in that, The top of the slider (9) is fixedly connected to the limiting block (7), and a spring (8) is horizontally installed in the groove (10). One end of the spring (8) is fixedly connected to the inner wall of the groove (10), and the other end is fixedly connected to the slider (9).

7. The cell culture medium sampling device according to claim 1, characterized in that, The bottom of the fixture (1) has a mounting hole (12), through which the sampling tube (16) passes.

8. The cell culture medium sampling device according to claim 7, characterized in that, The bottom side wall of the fixing frame (1) is threaded with a limiting bolt (13), and the side wall of the sampling tube (16) has a limiting hole adapted to the limiting bolt (13).

9. The cell culture medium sampling device according to claim 1, characterized in that, The storage tube (2) is threaded with a sealing cap (15) at its end.

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