Cryopreservation device for stem cell research

Abstract

The utility model relates to the field of stem cells, in particular to a cryopreservation device for stem cell research, which comprises a cryopreservation box body, a plurality of storage grooves are formed in the top of the cryopreservation box body at equal intervals, and sealing cover mechanisms are arranged at the positions, corresponding to the storage grooves, of the top of the cryopreservation box body. And fixing mechanisms are symmetrically arranged at the positions, located on the two sides of the corresponding storage grooves, of the top of the cryopreservation box body, each fixing mechanism comprises two mounting bases, the two mounting bases are symmetrically arranged, and an abutting mechanism is arranged between the two mounting bases. According to the stem cell cryopreservation box, the sealing performance of stem cells placed in the cryopreservation box body is guaranteed through the sealing cover mechanism and the abutting mechanism, and meanwhile single stem cell samples in the cryopreservation box body can be conveniently taken according to needs through the sealing cover mechanism; and other stem cell samples are not influenced when the stem cell samples are taken.

Description

Technical Field

[0001] The utility model relates to the technical field of stem cells, in particular to a cryopreservation device for stem cell research. Background Art

[0002] Stem cells are highly differentiated functional cells with self-repair capabilities. Stem cells play an important role in medical research. Stem cell research can be used to treat diseases, develop drugs, and create artificial organs. Stem cells are preserved using cryopreservation equipment. Stem cells are placed in test tubes for storage. Placing stem cell test tubes in cryopreservation equipment increases the shelf life of stem cells.

[0003] Currently, most of the box covers of cryopreservation devices used for stem cell research are integrated, which can easily affect other stem cells when a single stem cell sample needs to be taken out. Summary of the invention

[0004] The utility model aims to solve the shortcomings of the prior art and proposes a cryopreservation device for stem cell research.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A cryopreservation device for stem cell research comprises a cryopreservation box, wherein a plurality of storage slots are equidistantly provided on the top of the cryopreservation box, and a sealing cover mechanism is provided at the top of the cryopreservation box at the corresponding storage slots, and a fixing mechanism is symmetrically provided on both sides of the top of the cryopreservation box at the corresponding storage slots, and the fixing mechanism comprises two mounting seats, which are symmetrically arranged, and a pressing mechanism is provided between the two mounting seats.

[0007] In addition, a preferred structure is that the sealing cover mechanism includes a fixed top cover, a writing board is installed in the middle of the top of the fixed top cover, and a limiting slide rod is slidably installed at equal distances in the corresponding storage slot inside the fixed top cover, and the bottom of the limiting slide rod passes through the fixed top cover and is connected to the limiting pressure plate.

[0008] In addition, a preferred structure is that placement grooves are equidistantly provided at the bottom of the fixed top cover, a first spring is installed in the placement groove, and the other end of the first spring is connected to the limiting pressure plate, and a flexible cushion layer is provided at the bottom of the limiting pressure plate.

[0009] In addition, a preferred structure is that an extended convex plate is installed at both ends of the fixed top cover and between the two corresponding mounting seats.

[0010] In addition, a preferred structure is that the pressing mechanism includes a pressing plate and a fixed plate, a connecting rod is installed in the middle of the top of the pressing plate, and a plurality of second springs are symmetrically installed at equal distances on both sides of the corresponding connecting rod at the top of the pressing plate, and the top of the second spring is connected to the fixed plate.

[0011] In addition, a preferred structure is that the top of the connecting rod passes through the fixing plate and is connected to a handle portion, a threaded portion is provided at the lower middle portion of the outer wall of the connecting rod, and a fixing piece is connected to the outer wall of the connecting rod above the corresponding fixing plate, and a threaded hole is provided in the fixing piece at the threaded portion corresponding to the connecting rod.

[0012] In addition, a preferred structure is that a sliding cavity is provided on one side of the mounting seat close to the sealing cover mechanism, and a clamping cavity is provided at the top of the sliding cavity at the corresponding pressing mechanism.

[0013] The beneficial effects of the utility model are:

[0014] In the utility model, the sealing performance of stem cells when placed in a freezing storage box is ensured by a sealing cover mechanism and a pressing mechanism. At the same time, the sealing cover mechanism facilitates the removal of a single stem cell sample from the freezing storage box as needed, and ensures that other stem cell samples will not be affected when the stem cell sample is removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a cryopreservation device for stem cell research proposed by the utility model;

[0016] Figure 2 This is a structural schematic diagram of the sealing cover mechanism proposed by the utility model when it is opened;

[0017] Figure 3 It is a schematic structural diagram of a cross section of the pressing mechanism proposed in the utility model;

[0018] Figure 4 It is a schematic structural diagram of a cross section of the sealing cover mechanism proposed by the utility model.

[0019] In the figure: 1. Refrigeration storage box; 2. Sealing cover mechanism; 21. Fixed top cover; 22. Writing board; 23. Extended convex plate; 24. Limiting pressure plate; 25. First spring; 26. Limiting slide bar; 3. Mounting seat; 4. Pressure mechanism; 41. Pressure plate; 42. Second spring; 43. Fixed plate; 44. Connecting rod; 45. Handle; 46. Fixing piece. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-4 A cryopreservation device for stem cell research comprises a cryopreservation box 1, a plurality of storage slots are equidistantly provided on the top of the cryopreservation box 1, and a sealing cover mechanism 2 is provided at the corresponding storage slots on the top of the cryopreservation box 1, a fixing mechanism is symmetrically provided on both sides of the corresponding storage slots on the top of the cryopreservation box 1, and the fixing mechanism comprises two mounting seats 3, the two mounting seats 3 are symmetrically provided, and a pressing mechanism 4 is provided between the two mounting seats 3, wherein the cryopreservation box 1 is the prior art, and the cryopreservation box 1 is equipped with the cryopreservation technology, so the technical scheme is not elaborated in detail, and a flexible protective cushion layer is provided in the storage slots of the cryopreservation box 1.

[0022] At the same time, the sealing cover mechanism 2 includes a fixed top cover 21, a writing board 22 is installed in the middle of the top of the fixed top cover 21, and a limit slide bar 26 is slidably installed at an equal distance at the corresponding storage slot in the fixed top cover 21, and the bottom of the limit slide bar 26 passes through the fixed top cover 21 and is connected to the limit pressure plate 24, wherein the writing board 22 is an existing structure and technology, so the technical solution will not be elaborated, and the writing board 22 is used for users to write specific information of the stored stem cells.

[0023] At the same time, placement grooves are equidistantly provided at the bottom of the fixed top cover 21, in which a first spring 25 is installed, and the other end of the first spring 25 is connected to a limiting pressure plate 24, and a flexible cushion layer is provided at the bottom of the limiting pressure plate 24, wherein the flexible cushion layer is used to flexibly press the stem cell storage container to avoid the phenomenon of bumping and damaging the stem cell storage container during the pressing, and an extended convex plate 23 is installed at both ends of the fixed top cover 21 and between the two corresponding mounting seats 3.

[0024] At the same time, the pressing mechanism 4 includes a pressing plate 41 and a fixed plate 43. A connecting rod 44 is installed in the middle of the top of the pressing plate 41, and a plurality of second springs 42 are symmetrically installed at equal distances on both sides of the corresponding connecting rod 44 at the top of the pressing plate 41. The top of the second spring 42 is connected to the fixed plate 43.

[0025] At the same time, the top of the connecting rod 44 passes through the fixing plate 43 and is connected to the handle portion 45, a threaded portion is provided in the lower middle portion of the outer wall of the connecting rod 44, and a fixing piece is connected to the outer wall of the connecting rod 44 located above the corresponding fixing plate 43, and a threaded hole is provided in the fixing piece at the threaded portion of the corresponding connecting rod 44.

[0026] At the same time, a sliding cavity is provided on one side of the mounting seat 3 close to the sealing cover mechanism 2 , and a clamping cavity is provided at the top of the sliding cavity at the corresponding pressing mechanism 4 .

[0027] In this embodiment, the containers containing stem cell samples are placed in the storage slots of the labor preservation box 1 in sequence, and then the fixed top plate 21 and the corresponding limiting pressure plate 24 are aligned with the storage slots and pressed. During the pressing process, the limiting pressure plate 24 is always pressed and touched with the top of the stem cell storage container under the action of the first spring 25, and the stem cells are prevented from shaking and vibrating during transportation, which may cause the stem cell storage container to be damaged by bumps. In this process, since a flexible cushion layer is provided at the bottom of the limiting pressure plate 24, the stem cell storage container is flexibly pressed by the flexible cushion layer, and the stem cell storage container is prevented from being damaged by bumps during the pressing.

[0028] Next, the handle portion 45 is held by hand to drive the corresponding pressing mechanism 4 to move along its sliding cavity into the clamping cavity of the mounting seat 3, and its fixing piece 46 is loosened, and then its pressing plate 41 is moved toward the extending protruding plate 23 of the sealing cover mechanism 2 under the action of the second spring 42 and limits and presses the extending protruding plate 23, thereby limiting and fixing its sealing cover mechanism 2, and the sealing cover mechanism 2 and the pressing mechanism 4 are used to ensure the sealing of the stem cells when they are placed in the freezing storage box 1, and at the same time, the sealing cover mechanism 2 is used to facilitate the removal of a single stem cell sample from the freezing storage box 1 as needed, and ensure that other stem cell samples will not be affected when the stem cell sample is taken.

[0029] In the utility model, the sealing cover mechanism 2 and the pressing mechanism 4 ensure the sealing of the stem cells when they are placed in the freezing storage box 1. At the same time, the sealing cover mechanism 2 facilitates the removal of a single stem cell sample from the freezing storage box 1 as needed, and ensures that other stem cell samples will not be affected when the stem cell sample is removed.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cryopreservation device for stem cell research, comprising a cryopreservation box (1), characterized in that: The top of the freezing storage box (1) is provided with a plurality of storage slots at equal distances, and a sealing cover mechanism (2) is provided at the top of the freezing storage box (1) at the corresponding storage slots, and a fixing mechanism is symmetrically provided on both sides of the top of the freezing storage box (1) at the corresponding storage slots, and the fixing mechanism includes two mounting seats (3), the two mounting seats (3) are symmetrically arranged, and a pressing mechanism (4) is provided between the two mounting seats (3).

2. A cryopreservation device for stem cell research according to claim 1, characterized in that: The sealing cover mechanism (2) comprises a fixed top cover (21), a writing board (22) is installed in the middle of the top of the fixed top cover (21), and a limit slide bar (26) is slidably installed at an equal distance in the corresponding storage slot in the fixed top cover (21), and the bottom of the limit slide bar (26) passes through the fixed top cover (21) and is connected to the limit pressure plate (24).

3. A cryopreservation device for stem cell research according to claim 2, characterized in that: The bottom of the fixed top cover (21) is provided with placement grooves at equal distances, a first spring (25) is installed in the placement groove, and the other end of the first spring (25) is connected to the limit pressure plate (24), and a flexible cushion layer is provided at the bottom of the limit pressure plate (24).

4. A cryopreservation device for stem cell research according to claim 3, characterized in that: Extended convex plates (23) are installed at both ends of the fixed top cover (21) and between the two corresponding mounting seats (3).

5. A cryopreservation device for stem cell research according to claim 1, characterized in that: The pressing mechanism (4) comprises a pressing plate (41) and a fixing plate (43); a connecting rod (44) is installed in the middle of the top of the pressing plate (41); and a plurality of second springs (42) are symmetrically installed at equal distances on both sides of the top of the pressing plate (41) and the corresponding connecting rods (44); the tops of the second springs (42) are connected to the fixing plate (43).

6. A cryopreservation device for stem cell research according to claim 5, characterized in that: The top of the connecting rod (44) passes through the fixing plate (43) and is connected to a handle portion (45); a threaded portion is provided at a lower middle portion of an outer wall of the connecting rod (44); and a fixing piece is connected to the outer wall of the connecting rod (44) above the corresponding fixing plate (43); a threaded hole is provided in the fixing piece at the threaded portion of the corresponding connecting rod (44).

7. A cryopreservation device for stem cell research according to claim 1, characterized in that: A sliding cavity is provided on one side of the mounting seat (3) close to the sealing cover mechanism (2), and a clamping cavity is provided at the top of the sliding cavity at the corresponding pressing mechanism (4).

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