Cryopreservation bag suitable for cell storage

By introducing a compression mechanism and spring-loaded block design into the cryopreservation bag, the problem of incomplete cell discharge is solved, achieving efficient cell storage and convenient bag operation.

CN224045903UActive Publication Date: 2026-03-27ZHEJIANG SIDAM STEM CELL BIOTECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing cryopreservation bags are prone to leaving residues when cells are discharged, leading to cell loss and incomplete discharge.

Method used

A cryopreservation bag with a compression mechanism was designed, including a protective box, a movable rod, a connecting block, and a roller. The roller compresses the bag body, and the design of springs and locking blocks facilitates the complete discharge of cells and makes it easy to assemble and disassemble the bag.

Benefits of technology

It achieves complete cell removal, reduces residue, improves cell storage efficiency and reduces losses, while also facilitating bag operation and maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cell storage, in particular to a cryopreservation bag suitable for cell storage, which comprises a bag body, and the surface of the bag body is fixedly connected with a guide tube; an extrusion mechanism is arranged on the surface of the bag body, the extrusion mechanism comprises a protection box, the protection box is connected to the surface of the bag body in a sleeving mode, a movable rod is movably connected to the inner side of the protection box, and a connector is fixedly connected to the surface of the movable rod. Through the arrangement of the protection box, the whole bag body can be protected, the bag body can be prevented from being directly exposed outside, then the bag body can be prevented from being damaged due to external factors, the roller can roll and extrude the bag body by pulling the pull block and pressing the connecting block to be matched with the movement of the movable rod on the inner side of the through groove, and the bag body is prevented from being damaged. Therefore, the cells in the bag body can be extruded out conveniently, the cells can be discharged more thoroughly, residues can be reduced, and loss can be reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cell storage technical field, concretely is a kind of cryopreservation bag suitable for cell storage. BACKGROUND

[0002] Cells are the basic units of biological structure and function, they are of various shapes, mainly by nucleus, cytoplasm, cell membrane etc. are constituted, the cell membrane outside of plant usually has cell wall. Cells have movement, nutrition and reproduction etc. function, are the basis of life activities. When storing cells, in order to place cells in liquid nitrogen or other low-temperature medium, so that cells are in dormant state, thereby long-time preservation cell, avoid cell senescence and degradation, usually use cryopreservation bag. Cryopreservation bag is a kind of container specially used for low-temperature preservation biological sample (such as cell, tissue, blood etc.), it is usually made of multilayer material, has good low-temperature resistance and sealing property, can keep the integrity of sample under extremely low temperature (such as liquid nitrogen environment, -196 DEG C). Storage bag has high sealing property and barrier property, can effectively prevent air, moisture and other pollutants from entering, ensure that cells are not affected by external environment during storage, and cryopreservation bag provides independent storage space for each sample, can avoid the risk of cross contamination between samples.

[0003] When storing cells by cryopreservation bag, the outflow of cells from the cryopreservation bag often needs to extract cells or invert the cryopreservation bag. Since the cells cannot be well discharged, the cells are prone to be left in the cryopreservation bag, which is not conducive to the complete discharge of the cells and reduces the loss. Therefore, it is urgent to design a cryopreservation bag suitable for cell storage to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of cryopreservation bag suitable for cell storage to solve the problem that the cells are prone to be left in the cryopreservation bag due to the poor discharge of the cells, which is not conducive to the complete discharge of the cells and reduces the loss.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of cryopreservation bag suitable for cell storage, including bag body, the surface of the bag body is fixedly connected with guide pipe;

[0006] The surface of the bag body is provided with extrusion mechanism, the extrusion mechanism includes protective box, the protective box is sleeved on the surface of bag body, the inner side of the protective box is movably connected with movable rod, the surface of the movable rod is fixedly connected with connecting block, the end, away from connecting block of the movable rod, is fixedly connected with connecting frame, the inner side of the connecting frame is movably connected with roller.

[0007] Preferably, the extrusion mechanism further comprises a through slot, which is arranged on the inner side of the protective box, and the surface of the bag body is fixedly connected with a pulling block.

[0008] Preferably, the through slot is arranged in two groups on the inner side of the protective box, the movable rod is movably arranged in the through slot, and the pulling block is movably arranged in the protective box.

[0009] Preferably, the surface of the protective box is provided with an assembling mechanism, the assembling mechanism comprises a first fixed block, the first fixed block is fixedly connected to the surface of the protective box, a movable slot is arranged in the inner side of the first fixed block, a spring is fixedly connected to the inner wall of the movable slot, a clamping block is fixedly connected to the surface of the spring, a second fixed block is fixedly connected to the surface of the protective box, and a clamping slot is arranged in the inner side of the second fixed block.

[0010] Preferably, the first fixed block is fixedly connected to the protective box in four groups, one end of the spring is fixedly connected to the movable slot, and the other end of the spring is fixedly connected to the clamping block.

[0011] Preferably, the clamping block is movably arranged in the movable slot, the second fixed block is fixedly connected to the protective box in four groups, and the clamping slot is connected to the second fixed block in four groups.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The protective box can protect the bag body as a whole, can avoid direct exposure of the bag body, can avoid damage of the bag body due to external factors, and can realize rolling and extrusion of the bag body by the roller by pulling the pulling block and pressing the connecting block, cooperating with the movement of the movable rod in the through slot, thereby facilitating extrusion of the cells in the bag body, making the cell discharge more complete, thereby reducing the residue, and reducing the loss.

[0014] The spring, the clamping block and the clamping slot are arranged, the clamping block can be clamped and separated from the clamping slot by moving in the movable slot, thereby facilitating locking and unlocking between the first fixed block and the second fixed block, facilitating assembly and disassembly of the upper and lower protective boxes, and facilitating taking of the bag body. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view of the utility model structure;

[0016] Figure 2 It is a front view of the utility model structure;

[0017] Figure 3It is a rear view cross-sectional exploded perspective schematic view of the utility model structure.

[0018] Figure 4 It is a front view cross-sectional exploded perspective schematic view of the utility model first fixed block and second fixed block structure.

[0019] In the figure: 1, bag body; 11, guide pipe; 2, protective box; 21, movable rod; 22, connecting block; 23, connecting frame; 24, roller; 25, through slot; 26, pull block; 3, first fixed block; 31, movable slot; 32, spring; 33, clamping block; 34, second fixed block; 35, clamping groove. DETAILED DESCRIPTION

[0020] 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 protection.

[0021] Please refer to Figures 1-4 An embodiment provided by the utility model:

[0022] The utility model discloses a cryopreservation bag suitable for cell storage, which comprises a bag body 1, a guide pipe 11 is fixedly connected to the surface of the bag body 1, the setting of the guide pipe 11 enables cells to enter into the bag body 1 and also enables the cells to be discharged, and the setting of the bag body 1 enables the cells to be stored.

[0023] The surface of the bag body 1 is provided with a squeezing mechanism, the squeezing mechanism comprises a protective box 2, the protective box 2 is sleeved on the surface of the bag body 1, a movable rod 21 is movably connected to the inner side of the protective box 2, a connecting block 22 is fixedly connected to the surface of the movable rod 21, a connecting frame 23 is fixedly connected to the end, away from the connecting block 22, of the movable rod 21, a roller 24 is movably connected to the inner side of the connecting frame 23, the movable rod 21 can drive the roller 24 to squeeze the bag body 1 by pinching the connecting block 22, the movable rod 21 can drive the roller 24 to move by pulling the pull block 26, the roller 24 can continuously squeeze the bag body 1, and the cells in the bag body 1 can be squeezed out.

[0024] Further, the squeezing mechanism further comprises a through slot 25, the through slot 25 is formed in the inner side of the protective box 2, and the surface of the bag body 1 is fixedly connected with a pull block 26; the movable rod 21 can move in the through slot 25 by the formation of the through slot 25, the movable rod 21 can drive the connecting frame 23 and the roller 24 to move, and the bag body 1 can be squeezed.

[0025] Further, the through groove 25 is provided in two groups on the inner side of the protective box 2, the movable rod 21 is movable in the through groove 25, the pull block 26 is movable on the inner side of the protective box 2, and the pull block 26 is provided, so that when the bag body 1 is extruded by the roller 24, the pull block 26 can be pulled.

[0026] Further, the surface of the protective box 2 is provided with an assembling mechanism, the assembling mechanism comprises a first fixed block 3, the first fixed block 3 is fixedly connected to the surface of the protective box 2, the inner side of the first fixed block 3 is provided with a movable slot 31, the inner wall of the movable slot 31 is fixedly connected with a spring 32, the surface of the spring 32 is fixedly connected with a clamping block 33, the surface of the protective box 2 is fixedly connected with a second fixed block 34, the inner side of the second fixed block 34 is provided with a clamping groove 35, the clamping groove 35 is provided, so that when the clamping block 33 is clamped and separated from the clamping groove 35, the first fixed block 3 and the second fixed block 34 can be locked and separated, so as to facilitate the taking of the bag body 1.

[0027] Further, the first fixed block 3 is fixedly connected with the protective box 2 in four groups, one end of the spring 32 is fixedly connected with the movable slot 31, the other end of the spring 32 is fixedly connected with the clamping block 33, the clamping block 33 is movable in the movable slot 31, and the spring 32 is elastically connected, so that the clamping block 33 can be clamped and separated from the clamping groove 35, thereby facilitating the assembly and disassembly of the upper and lower two protective boxes 2.

[0028] Further, the clamping block 33 is movable in the movable slot 31, the second fixed block 34 is fixedly connected with the protective box 2 in four groups, the clamping groove 35 is connected with the second fixed block 34 in four groups, and the spring 32 is provided, so as to realize the resetting of the clamping block 33, and the clamping block 33 is movable and the clamping groove 35 is clamped.

[0029] Working principle: in use, the user first pulls the pull block 26, then presses the connecting block 22, realizes that the movable rod 21 drives the connecting frame 23 and the roller 24 to move under the action of the connecting block 22, and then realizes that the roller 24 contacts the surface of the bag body 1 and extrudes the bag body 1, at the same time, the connecting block 22 is pulled, the movable rod 21 moves in the through groove 25, and then the roller 24 moves, the roller 24 can roll, so as to extrude the bag body 1 by the roller 24, which can assist the discharge of cells;

[0030] The upper and lower groups of protection boxes 2 are aligned, when the clamping block 33 is extruded by the second fixed block 34, the clamping block 33 is moved to the inner side of the movable slot 31, at this time, the spring 32 is in the contraction state, when the position of the clamping slot 35 is opposite to the clamping block 33, the clamping block 33 is reset under the rebounding action of the spring 32, and then the clamping of the clamping block 33 and the clamping slot 35 can be achieved, that is, the locking of the first fixed block 3 and the second fixed block 34 can be achieved, so that the sleeving and fixing of the protection box 2 on the bag body 1 can be achieved; when the bag body 1 needs to be disassembled, the first fixed block 3 and the second fixed block 34 are pried, the clamping block 33 can be moved to the movable slot 31 under the force, and the clamping block 33 and the clamping slot 35 can be separated, that is, the two groups of bag bodies 1 can be separated, so that the bag body 1 can be taken.

[0031] The above is the whole working principle of the utility model.

[0032] It is apparent to those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A cryopreservation bag suitable for cell storage, comprising a bag body (1), a guide tube (11) fixedly connected to the surface of the bag body (1); characterized in that The surface of the bag body (1) is provided with a squeezing mechanism, the squeezing mechanism comprises a protective box (2), the protective box (2) is sleeved on the surface of the bag body (1), the inner side of the protective box (2) is movably connected with a movable rod (21), the surface of the movable rod (21) is fixedly connected with a connecting block (22), the end of the movable rod (21) away from the connecting block (22) is fixedly connected with a connecting frame (23), the inner side of the connecting frame (23) is movably connected with a roller (24).

2. The cryogenic bag for cell storage according to claim 1, wherein: The squeezing mechanism further comprises a through groove (25), the through groove (25) is opened in the inner side of the protective box (2), and the surface of the bag body (1) is fixedly connected with a pull block (26).

3. The cryogenic bag suitable for cell storage according to claim 2, wherein: The through groove (25) is opened in the inner side of the protective box (2) in two groups, the movable rod (21) moves in the inner side of the through groove (25), and the pull block (26) moves in the inner side of the protective box (2).

4. The cryogenic bag for cell storage according to claim 1, wherein: The surface of the protective box (2) is provided with an assembling mechanism, the assembling mechanism comprises a first fixed block (3), the first fixed block (3) is fixedly connected to the surface of the protective box (2), the inner side of the first fixed block (3) is provided with a movable slot (31), the inner wall of the movable slot (31) is fixedly connected with a spring (32), the surface of the spring (32) is fixedly connected with a clamping block (33), the surface of the protective box (2) is fixedly connected with a second fixed block (34), and the inner side of the second fixed block (34) is provided with a clamping groove (35).

5. A cryogenic bag suitable for use in the storage of cells according to claim 4, wherein: The first fixed block (3) is fixedly connected with the protective box (2) in four groups, one end of the spring (32) is fixedly connected with the movable slot (31), and the other end of the spring (32) is fixedly connected with the clamping block (33).

6. The cryogenic bag suitable for cell storage according to claim 4, wherein: The clamping block (33) moves in the inner side of the movable slot (31), the second fixed block (34) is fixedly connected with the protective box (2) in four groups, and the clamping groove (35) is connected with the second fixed block (34) in four groups.