Volume-variable cell culture bag

Abstract

The utility model belongs to the technical field of cell culture, and particularly relates to a variable-volume cell culture bag which comprises a culture bag body, a connecting groove is formed in the upper surface of the culture bag body, a connecting plate is connected to the inner wall of the connecting groove in a sliding mode, a limiting groove is formed in the connecting groove, and a limiting plate is connected to the inner wall of the limiting groove in a sliding mode. The limiting plate is fixedly connected to the outer wall of the connecting plate, and the upper surface of the connecting plate is fixedly connected with a fixing plate. The connecting grooves and the limiting grooves are formed in the culture bag body, so that the connecting plates and the limiting plates can flexibly adjust and fix the volume of the culture bag, it is ensured that proper adjustment is conducted according to the number or stage requirements of cultured cells, smooth transition during volume change is achieved through the design of sliding connection, and the culture bag is simple in structure and convenient to use. Structural deformation or leakage of the culture bag in the adjusting process is effectively prevented, the size adjusting range can be accurately controlled through the design of a limiting groove, and damage to the culture environment caused by excessive adjustment is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to cell culture technical field, concretely is a variable volume cell culture bag. BACKGROUND

[0002] The technical field of cell culture involves techniques and equipment for cultivating and proliferating cells in an in-vitro environment, widely applied in multiple fields such as biomedical research, pharmaceuticals, regenerative medicine, genetic engineering, etc. This technology provides suitable growth conditions for cells, such as temperature, humidity, gas environment, and nutrient solution, enabling cells to divide, proliferate, and differentiate in vitro. With the advancement of biotechnology, cell culture technology gradually develops towards automation, scaling, and high efficiency to meet the needs of large-scale cell production and experiments. In the modern field of biological medicine, cell culture is not only used for basic research, but also widely used for drug screening, vaccine production, and construction of tissues and organs in regenerative medicine. The design of the culture system is increasingly intelligent, capable of dynamically adjusting and monitoring the culture process to ensure efficient growth and purity of cells, among which the variable volume cell culture bag refers to a cell culture device that can flexibly adjust its internal volume according to the different needs of cell number or culture stage. The main purpose of this device is to ensure that cells have adequate growth space at different densities during the cell culture process, while reducing the waste and pollution risk of nutrient solution.

[0003] The deficiency in the prior art is that the traditional cell culture bag is usually fixed in volume, making it difficult to flexibly adjust according to the changes in culture stage or cell number, resulting in a lack of sufficient growth space when the cell density is too high, which in turn affects the growth rate and quality of cells. In addition, due to the inability to adjust the volume of the culture bag according to demand, it is easy to cause waste of nutrient solution, increasing the experimental cost. SUMMARY

[0004] To overcome the deficiencies of the prior art, the utility model provides a variable volume cell culture bag, which solves the problem of difficulty in flexible adjustment according to the changes in culture stage or cell number, resulting in a lack of sufficient growth space when the cell density is too high, which in turn affects the growth rate and quality of cells.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a variable volume cell culture bag, comprising a culture bag body, a connecting groove is formed on the upper surface of the culture bag body, a connecting plate is slidably connected to the inner wall of the connecting groove, a limiting groove is formed in the interior of the connecting groove, a limiting plate is slidably connected to the inner wall of the limiting groove, the limiting plate is fixedly connected to the outer wall of the connecting plate, and a fixed plate is fixedly connected to the upper surface of the connecting plate.

[0006] As a preferred technical scheme of the utility model, the lower surface of the culture bag body is fixedly connected with a bottom plate.

[0007] As a preferred technical scheme of the utility model, the upper surface of the bottom plate is fixedly connected with a motor, and the output end of the motor is fixedly connected with a lead screw.

[0008] As a preferred technical scheme of the utility model, the other side of the upper surface of the bottom plate is fixedly connected with a guide rod, and the upper surface of the guide rod and the lead screw are both fixedly connected with a baffle.

[0009] As a preferred technical scheme of the utility model, the fixed plate is threadedly connected to the outer wall of the lead screw, and the fixed plate is slidingly connected to the outer wall of the guide rod.

[0010] As a preferred technical scheme of the utility model, the inner wall of the culture bag body is slidingly connected with a sealing gasket, and the upper surface of the sealing gasket is fixedly connected with a cover body.

[0011] Compared with the prior art, the utility model provides a variable volume cell culture bag, which has the following beneficial effects:

[0012] 1、The variable volume cell culture bag, through setting connecting groove and limiting groove on culture bag body, makes that connecting plate and limiting plate can adjust and fix the volume of culture bag flexibly, ensures that the appropriate adjustment is carried out according to the number or stage demand of culture cell. The structure realizes the smooth transition when the volume changes through the design of sliding connection, effectively prevents the structural deformation or leakage of culture bag in the adjustment process. At the same time, through the design of limiting groove, the range of volume adjustment can be accurately controlled, to prevent excessive adjustment from causing damage to the culture environment. Through the above design, the culture bag can adapt to various experimental conditions, ensure the spatial flexibility in the culture process, improve the culture efficiency, reduce the waste of resources and pollution risk, and enhance the adaptability and stability of cell culture.

[0013] 2、The variable volume cell culture bag, through setting bottom plate on the lower surface of culture bag body, and driving lead screw through motor, in combination with the stabilizing effect of guide rod, ensures that the volume of culture bag can be adjusted according to the demand. The motor drives the lead screw to rotate, the fixed plate is threadedly connected on the outer wall of the lead screw, and the moving path of the fixed plate is limited through the guide rod, to realize the accurate control of the volume of culture bag. This structure design ensures the adaptability of the internal volume of culture bag in different stages, so that the cells are always in a suitable growth environment during the culture process. At the same time, the sealing gasket connected to the inner wall of the culture bag ensures the airtightness of the culture process, to avoid the risk of external pollution. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure front view of the utility model;

[0015] Figure 2 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 3 It is a structure split view of the utility model;

[0017] Figure 4 It is a structure sectional view of the utility model.

[0018] In the drawing: 1, culture bag body; 2, connecting groove; 3, connecting plate; 4, limiting groove; 5, limiting plate; 6, fixed plate; 7, bottom plate; 8, motor; 9, screw rod; 10, guide rod; 11, baffle; 12, sealing gasket; 13, cover. DETAILED DESCRIPTION

[0019] 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 the utility model. EMBODIMENT

[0020] Please refer to Figures 1-4 In the embodiment, a variable-volume cell culture bag includes a culture bag body 1, a connecting groove 2 is formed on the upper surface of the culture bag body 1, a connecting plate 3 is slidably connected to the inner wall of the connecting groove 2, a limiting groove 4 is formed in the interior of the connecting groove 2, a limiting plate 5 is slidably connected to the inner wall of the limiting groove 4, the limiting plate 5 is fixedly connected to the outer wall of the connecting plate 3, and a fixed plate 6 is fixedly connected to the upper surface of the connecting plate 3.

[0021] In the embodiment, the connecting groove 2 and the limiting groove 4 are arranged on the culture bag body 1, so that the connecting plate 3 and the limiting plate 5 can flexibly adjust and fix the volume of the culture bag, and proper adjustment can be ensured according to the number or stage of the cultured cells. The structure realizes smooth transition during volume change through the design of sliding connection, effectively prevents structural deformation or leakage of the culture bag during adjustment. At the same time, through the design of the limiting groove 4, the range of volume adjustment can be accurately controlled to prevent excessive adjustment from damaging the culture environment. Through the above design, the culture bag can adapt to various experimental conditions, ensure the spatial flexibility during the culture process, improve the culture efficiency, reduce resource waste and pollution risk, and enhance the adaptability and stability of cell culture.

[0022] Preferably, the lower surface of the culture bag body 1 is fixedly connected with a bottom plate 7.

[0023] Through the design, the culture bag can be conveniently placed.

[0024] Preferably, the upper surface of the bottom plate 7 is fixedly connected with a motor 8, and the output end of the motor 8 is fixedly connected with a lead screw 9.

[0025] Through the design, the volume can be conveniently adjusted.

[0026] Further, the upper surface of the bottom plate 7 is fixedly connected with a guide rod 10, and the upper surface of the guide rod 10 and the lead screw 9 are fixedly connected with a baffle 11.

[0027] Through the design, the fixed plate 6 can be conveniently fixed.

[0028] Further, the fixed plate 6 is threadedly connected to the outer wall of the lead screw 9, and the fixed plate 6 is slidingly connected to the outer wall of the guide rod 10.

[0029] Through the design, the volume of the culture bag can be automatically adjusted.

[0030] Preferably, the inner wall of the culture bag body 1 is slidingly connected with a sealing gasket 12, and the upper surface of the sealing gasket 12 is fixedly connected with a cover body 13.

[0031] The sealing gasket 12 connected to the inner wall of the culture bag ensures the airtightness of the culture process and avoids the risk of external pollution.

[0032] The working principle and use process of the utility model are as follows: when the volume of the device needs to be adjusted, the motor 8 is started, the motor 8 drives the lead screw 9 to rotate, the lead screw 9 drives the fixed plate 6 to move along the track of the guide rod 10 in the process of rotating, the fixed plate 6 drives the connecting plate 3 to move along the track of the connecting groove 2 in the process of moving, and when the adjustment is to the appropriate position, the motor 8 is closed.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A variable volume cell culture bag comprising a bag body (1), characterized in that: The upper surface of the culture bag body (1) is provided with a connecting groove (2), the inner wall of the connecting groove (2) is slidably connected with a connecting plate (3), the inside of the connecting groove (2) is provided with a limiting groove (4), the inner wall of the limiting groove (4) is slidably connected with a limiting plate (5), the limiting plate (5) is fixedly connected with the outer wall of the connecting plate (3), and the upper surface of the connecting plate (3) is fixedly connected with a fixed plate (6).

2. The variable volume cell bag of claim 1, wherein: The lower surface of the culture bag body (1) is fixedly connected with a bottom plate (7).

3. The variable volume cell bag of claim 2, wherein: The upper surface of the bottom plate (7) is fixedly connected with a motor (8), and the output end of the motor (8) is fixedly connected with a lead screw (9).

4. The variable volume cell bag of claim 2, wherein: The other side of the upper surface of the bottom plate (7) is fixedly connected with a guide rod (10), and the upper surfaces of the guide rod (10) and the lead screw (9) are fixedly connected with a baffle (11).

5. The variable volume cell bag of claim 1, wherein: The fixed plate (6) is threadedly connected with the outer wall of the lead screw (9), and the fixed plate (6) is slidably connected with the outer wall of the guide rod (10).

6. The variable volume cell bag of claim 1, wherein: The inner wall of the culture bag body (1) is slidably connected with a sealing gasket (12), and the upper surface of the sealing gasket (12) is fixedly connected with a cover (13).

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