CN212291204U

CN212291204U - Leukocyte is with freezing device of depositing

Info

Publication number: CN212291204U
Application number: CN202020727319.5U
Authority: CN
Inventors: 吕丽萍; 何晓婷; 付星
Original assignee: Miaoshun Shanghai Biotechnology Co ltd
Current assignee: Miaoshun Shanghai Biotechnology Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2021-01-05
Anticipated expiration: 2030-05-07

Abstract

The utility model relates to the field of medical equipment, and discloses a freezing device for leucocytes, which comprises a box body, a box cover, a freezing platform and a refrigerating device; the front and the rear parts of the left side wall of the freezing platform are connected on a slide bar fixed in the left side wall in the box body in a sliding way through two groups of slide blocks, and the outer end of a connecting rod is fixedly provided with a push disc convenient for pushing the freezing platform to move up and down; the upper side of the freezing platform is downwards provided with a plurality of groups of same storage tanks in a rectangular distribution, the right side of the bottom of the freezing platform is downwards communicated with a refrigerating device fixed at the bottom in the box body, and the lower part of the left side of the freezing platform is fixedly provided with a group of liquid nitrogen pressurizing devices; the inner middle part of the storage groove is provided with a group of clamping plates, the bottoms of the clamping plates are connected with a transverse rectangular opening arranged in the middle part of the storage groove through a movable block in a sliding mode, and the right side wall of the movable block is connected with a group of push-pull rods arranged in the bottom part of the box body rightwards. The utility model has the advantages that; safe taking, energy saving, low temperature freezing storage and good stability.

Description

Leukocyte is with freezing device of depositing

Technical Field

The utility model relates to the field of medical equipment, specifically a leucocyte is with freezing device of depositing.

Background

In order to maintain the activity of blood cells, the blood cells need to be cryopreserved. In general, the blood cells are stored in a freezing bag and then placed in a freezing device.

Chinese patent (publication No. CN 210017604U, bulletin date: 2020.02.07) discloses a cryopreservation device for blood cells, which comprises a bottom plate and a cryopreservation box without a top wall, wherein the cryopreservation box is arranged right above the bottom plate, the top end of the cryopreservation box is hinged with a horizontally arranged box cover, the inner side wall of the cryopreservation box is connected with a horizontally arranged lifting plate in a sliding manner, two ends of the bottom wall of the cryopreservation box are both provided with rotating holes, a vertically arranged screw rod is sleeved in the rotating holes in a rotating manner, and the top end of the screw rod extends to the inside of the cryopreservation box. The device adopts the mode that the motor drove the control and goes up and down to pass in and out the box with the cell, has increased use cost, does not fix it to placing the blood cell in the box inside moreover, receives rocking or striking and damage easily at the in-process of transportation, only uses refrigerating plant to carry out cold storage moreover, and low temperature freezing environment does not reach the condition of liquid nitrogen storage, consequently has certain defect in the storage of stem cell.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a white blood cell is with freezing device of depositing to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a leukocyte cryopreservation device comprises a box body, a box cover, a cryopreservation table and a refrigerating device; the top of box articulates there is a set of case lid, and the inside of box is provided with a set of horizontal freezing platform, freezes the left side wall front and back of depositing the platform and pass through two sets of slider sliding connection on being fixed in the slide bar in the inside left side wall of box. The right side wall middle part fixed mounting who freezes the platform has a set of horizontal connecting rod, and the right-hand member of connecting rod passes and sets up the outside that extends to the box at the vertical smooth mouth on the box right side wall, and the outer end fixed mounting of connecting rod has the push away dish that is convenient for promote the freezing platform and reciprocates. The freezing platform is pushed to ascend and descend manually, so that blood cells on the freezing platform can be moved out conveniently, the blood cells can be taken safely, and the energy consumption is reduced.

The upside of freezing the platform is the rectangle distribution downwards and has seted up the same storage tank of a plurality of groups, and the inside of storage tank is used for placing the cell bag that is equipped with the blood cell, the inside of freezing the platform sets up to the cavity structure, and the bottom right side of freezing the platform communicates downwards has the refrigerating plant who fixes the bottom in the box, and the upside through refrigerating plant passes through the trachea refrigeration and carries to the inside of freezing the platform, the left side lower part fixed mounting who freezes the platform has a set of liquid nitrogen pressure device, and liquid nitrogen pressure device's top output communicates through the trachea and freezes the inside of preserving the platform, freezes the temperature of preserving the blood cell on the platform through freezing the further reduction of preserving the platform.

The utility model discloses a blood cell freezing and storing device, including storage tank, movable block, push-pull rod, actuating cylinder, drive push-pull rod, a set of movable block, the interior middle part of storage tank is provided with a set of splint, the bottom of splint passes through movable block sliding connection and sets up the horizontal rectangle mouth at the interior middle part of storage tank, the right side wall of movable block is connected with a set of push-pull rod that sets up in bottom in the box jointly to the right side, the right-hand member portion of push-pull rod is connected with the cylinder on bottom right side in a set of fixed box through the piston rod, remove about the push-pull rod through starting the actuating cylinder drive, thereby drive splint and remove about the inside of storage.

As a further aspect of the present invention: an anti-collision pad is fixedly arranged on the outer ring of the bottom of the sliding rod.

As a further aspect of the present invention: the connecting rod is provided with the sealing rubber circle with the junction of sliding opening, and it does not influence the connecting rod and reciprocates in the sliding opening when, also can prevent the flow of the inside air of box.

As a further aspect of the present invention: and a group of fastening blocks used for fixing the movement of the connecting rod is arranged on the outer side of the connecting rod.

As a further aspect of the present invention: the upper side air pipes of the refrigerating device and the liquid nitrogen pressurizing device are all arranged to be of a folding type, so that the freezing platform can be conveniently and vertically stretched and moved along with the freezing platform.

As a further aspect of the present invention: the right side surface of the sponge cushion plate is corrugated for increasing the contact friction force with the bag.

As a further aspect of the present invention: a set of sponge backing plate is fixedly mounted on the right side of the inner wall of the storage tank, and when the clamping plate moves left and right in the storage tank, the blood cell bag is separated from the side wall of the storage tank through the sponge backing plate, so that the protection strength of the blood cell bag is improved, and the blood cell is prevented from being damaged due to extrusion of the side wall of the storage tank.

Compared with the prior art, the beneficial effects of the utility model are that: the left side of the freezing platform is connected to the sliding rod in a sliding mode, and the right side of the freezing platform controls the freezing platform to lift in a pushing disc mode, so that the safe taking of blood cells is ensured, and the energy consumption of the device is reduced;

the low-temperature freezing capacity of the device can be further improved by arranging a liquid nitrogen pressurizing device; the push-pull rod is driven to move left and right by the air cylinder, and then the clamping plate is driven to move left and right in the storage groove, so that the cell bag which is placed in the storage groove and is filled with blood cells can be fixed, and the cell bag is prevented from shaking or being damaged by collision during transportation.

The utility model has the advantages that; safe taking, energy saving, low temperature freezing storage and good stability.

Drawings

FIG. 1 is a schematic front view of the internal structure of a leukocyte cryopreservation apparatus.

FIG. 2 is a schematic diagram showing the right side view of a leukocyte cryopreservation apparatus.

FIG. 3 is a schematic view showing a freezing stage of the freezing apparatus for leukocytes.

Wherein: the device comprises a box body 10, a box cover 11, a sliding rod 12, a freezing platform 13, a storage tank 14, a refrigerating device 15, a liquid nitrogen pressurizing device 16, a sponge cushion plate 17, a clamping plate 18, a push-pull rod 19, a piston rod 20, an air cylinder 21, a connecting rod 22, a fastening block 23, a push disc 24, a sliding block 25 and a sliding opening 26.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

Referring to fig. 1-3, a leukocyte cryopreservation device includes a box body 10, a box cover 11, a cryopreservation platform 13, and a refrigeration device 15; the top of the box body 10 is hinged with a set of box cover 11, a set of transverse freezing platform 13 is arranged in the box body 10, and the front and rear parts of the left side wall of the freezing platform 13 are connected on a sliding rod 12 fixed in the left side wall in the box body 10 in a sliding mode through two sets of sliding blocks 25. An anti-collision pad is fixedly arranged on the outer ring of the bottom of the sliding rod 12. A set of transverse connecting rod 22 is fixedly mounted in the middle of the right side wall of the freezing platform 13, the right end of the connecting rod 22 penetrates through a vertical sliding port 26 formed in the right side wall of the box 10 and extends to the outside of the box 10, and a push disc 24 convenient for pushing the freezing platform 13 to move up and down is fixedly mounted at the outer end of the connecting rod 22. The connection between the connecting rod 22 and the sliding opening 26 is provided with a sealing rubber ring which can prevent the air inside the box body 10 from flowing while not influencing the up-and-down movement of the connecting rod 22 in the sliding opening 26. The outside of the connecting rod 22 is provided with a group of fastening blocks 23 for fixing the movement of the connecting rod 22. The freezing platform 13 is pushed to ascend and descend manually, so that blood cells on the freezing platform 13 can be moved out conveniently, the blood cells can be taken safely, and the energy consumption is reduced.

The upside of freezing platform 13 is the rectangle distribution downwards and has seted up the same storing tank 14 of a plurality of groups, and the inside of storing tank 14 is used for placing the cell bag that is equipped with the blood cell, the inside of freezing platform 13 sets up to the cavity structure, and the bottom right side of freezing platform 13 communicates downwards has the refrigerating plant 15 of fixing the bottom in box 10, and the upside through refrigerating plant 15 is passed through the trachea refrigeration and is carried to the inside of freezing platform 13, the left side lower part fixed mounting of freezing platform 13 has a set of liquid nitrogen pressure device 16, and the top output of liquid nitrogen pressure device 16 communicates through the trachea to the inside of freezing platform 13, freezes the temperature of depositing to the blood cell on the freezing platform 13 through the further reduction of freezing platform 13. The upper side air pipes of the refrigerating device 15 and the liquid nitrogen pressurizing device 16 are both arranged in a folding mode, so that the freezing platform 13 can conveniently follow to move up and down in a telescopic mode.

The inner middle part of the storage tank 14 is provided with a group of clamping plates 18, the bottom of each clamping plate 18 is connected with a transverse rectangular opening formed in the inner middle part of the storage tank 14 through a moving block in a sliding mode, the right side wall of the moving block is connected with a group of push-pull rods 19 arranged in the inner bottom part of the box body 10 rightwards, the right end part of each push-pull rod 19 is connected with a group of air cylinders 21 for fixing the right side of the inner bottom part of the box body 10 through piston rods 20, the push-pull rods 19 are driven to move leftwards and rightwards by starting the air cylinders 21, the clamping plates 18 are driven to move leftwards and rightwards in the storage tank 14, then the blood cell bags placed in the storage tank 14 can be tightly clamped and fixed through the clamping effect. The right side surface of the sponge pad 17 is corrugated for increasing the contact friction with the bag.

The utility model discloses a theory of operation is: firstly, a cell bag filled with blood cells to be cryopreserved is placed in the storage tank 14, the push tray 24 is pulled manually to move downwards, so that the cryopreservation table 13 filled with the blood cells is moved downwards to the inner bottom of the box body 10, then the air cylinder 21 is started to drive the push-pull rod 19 to move leftwards, then the cell bag is fixed by utilizing the clamping effect of the clamping plate 18 and the side wall of the storage tank 14, and then the cell bag is cryopreserved.

Example two

On the basis of the first embodiment, a group of sponge backing plates 17 are fixedly installed on the right side of the inner wall of the storage tank 14, and when the clamping plates 18 move left and right in the storage tank 14, the blood cell bags are separated from the side wall of the storage tank 14 through the sponge backing plates 17, so that the protection strength of the blood cell bags is improved, and the blood cells are prevented from being damaged due to extrusion of the side wall of the storage tank 14.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A leukocyte cryopreservation device comprises a box body (10), a box cover (11), a cryopreservation platform (13) and a refrigerating device (15); the refrigerator is characterized in that the front and the rear of the left side wall of the freezing storage table (13) are connected to a sliding rod (12) fixed in the left side wall of the interior of the refrigerator body (10) in a sliding mode through two groups of sliding blocks (25), a group of transverse connecting rods (22) are fixedly installed in the middle of the right side wall of the freezing storage table (13), the right end of each connecting rod (22) penetrates through a vertical sliding port (26) formed in the right side wall of the refrigerator body (10) and extends to the exterior of the refrigerator body (10), and a push disc (24) convenient for pushing the freezing storage table (13) to move up and down is fixedly installed at the outer end of each connecting rod (22); the upper side of the freezing platform (13) is downwards rectangular and is provided with a plurality of groups of identical storage tanks (14), the interior of the freezing platform (13) is of a cavity structure, the right side of the bottom of the freezing platform (13) is downwards communicated with a refrigerating device (15) fixed at the bottom in the box body (10), the lower part of the left side of the freezing platform (13) is fixedly provided with a group of liquid nitrogen pressurizing devices (16), and the top output end of each liquid nitrogen pressurizing device (16) is communicated with the interior of the freezing platform (13) through an air pipe; the inner middle part of the storage groove (14) is provided with a group of clamping plates (18), the bottoms of the clamping plates (18) are connected with a transverse rectangular opening formed in the inner middle part of the storage groove (14) in a sliding mode through a moving block, the right side wall of the moving block is connected with a group of push-pull rods (19) arranged in the inner bottom part of the box body (10) rightwards, and the right end part of each push-pull rod (19) is connected with a group of cylinders (21) used for fixing the right side of the inner bottom part of the box body (10) through.

2. The cryopreservation device for leukocytes according to claim 1, wherein an anti-collision pad is fixedly mounted on the outer ring of the bottom of the slide rod (12).

3. The cryopreservation device for leukocytes according to claim 2, wherein a sealing rubber ring is arranged at the joint of the connecting rod (22) and the sliding port (26).

4. The cryopreservation device for leukocytes according to claim 3, wherein a set of fastening blocks (23) for fixing the movement of the connecting rod (22) is provided outside the connecting rod (22).

5. The cryopreservation device for leukocytes in claim 4, wherein the upper air pipes of the refrigerating device (15) and the liquid nitrogen pressurizing device (16) are of a folding type.

6. The cryopreservation device for leukocytes in claim 5, wherein the right side surface of the sponge plate (17) is corrugated.

7. The device for cryopreserving leukocytes according to any one of claims 1 to 6, wherein a set of sponge pads (17) are fixedly arranged on the right side of the inner wall of the storage tank (14).