CN112027317A

CN112027317A - Multifunctional stem cell transport case

Info

Publication number: CN112027317A
Application number: CN202010838474.9A
Authority: CN
Inventors: 杜雯林; 牟晓洲; 陈晓怡
Original assignee: Zhejiang Provincial Peoples Hospital
Current assignee: Zhejiang Provincial Peoples Hospital
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2020-12-04

Abstract

The invention discloses a multifunctional stem cell transport case, which belongs to the technical field of medical instruments and comprises a case body and a case cover, wherein the case body comprises: a first housing; a second shell in the first shell is internally provided with a clapboard component which divides the second shell into a freezing box body and a refrigerating box body; the third shell and the partition plate assembly enclose a freezing cavity; the first plate, the second shell, the third shell and the partition plate assembly enclose a first cavity; the fourth shell and the partition plate assembly enclose to form a refrigerating cavity; the second plate, the second shell, the fourth shell and the partition plate assembly enclose a second cavity; the case lid includes: freezer lids and refrigerator lids. The invention can realize the simultaneous transportation of stem cell samples with various specifications through the freezing box body and the refrigerating box body, effectively prevent the stem cells from being polluted, greatly improve the transportation efficiency of the stem cells and provide high-quality stem cell samples for research.

Description

Multifunctional stem cell transport case

Technical Field

The invention belongs to the technical field of medical instruments, and particularly relates to a multifunctional stem cell transport case.

Background

Stem cells are pluripotent cells with self-replicating capacity, also known as universal cells, and various therapeutic methods based on stem cells show great clinical application prospects in refractory diseases. At present, the development of related research through multidisciplinary fusion is an important way for promoting the research and development of stem cells, and high-quality stem cells are an important basis for the development of various stem cell basic researches and application researches, so that the safe transportation of the stem cells among cooperative units is one of the key links for promoting the research.

At present, no standard stem cell transportation standard exists in the industry, and stem cell transportation boxes are incomplete in function and uneven in quality level, so that the reliability of the quality of the stem cells after transportation is difficult to guarantee. The existing common stem cell transport case has single function, usually adopts ice cubes to refrigerate, and can only transport cell bags, and in the transport process, the ice cubes are easy to melt, so that the interior of the stem cell transport case is easy to pollute, the quality of stem cells is reduced, and adverse effects are brought to the research and application of the stem cell transport case.

Disclosure of Invention

The invention provides a multifunctional stem cell transport case which can transport stem cell samples of multiple specifications through a freezer case body and a refrigerator case body, effectively prevent stem cells from being polluted and provide high-quality stem cell samples for research.

In order to achieve the above object, the present invention provides a multifunctional stem cell transportation box, including a box body and a box cover, wherein the box body includes: a first housing; the second shell is arranged inside the first shell, a partition plate assembly is arranged in the second shell, and the second shell is divided into a freezing box body and a refrigerating box body by the partition plate assembly; the third shell is arranged on the side of a freezing box in the second shell, the third shell and the partition plate assembly enclose a freezing cavity, and the freezing cavity is used for accommodating a freezing pipe; the first plate is arranged at the upper end of the second shell and the upper end of the third shell, the first plate, the second shell, the third shell and the partition plate assembly enclose a first cavity, liquid nitrogen is arranged in the first cavity, an injection hole is formed in the first plate and used for injecting the liquid nitrogen into the first cavity, and a hole cover is arranged in the injection hole; the fourth shell is arranged on the side of a refrigerating box in the second shell, the fourth shell and the partition plate assembly enclose a refrigerating cavity, and the refrigerating cavity is used for accommodating a cell bag; the second plate is arranged at the upper end of the second shell and the upper end of the fourth shell, the second plate, the second shell, the fourth shell and the partition plate assembly enclose a second cavity, a coolant and an adsorbing material are arranged in the second cavity, and the coolant can be placed on the adsorbing material; the case lid includes: a refrigerator cover rotatably connected to an upper end of the second housing on the side of the refrigerator body for opening and closing the refrigerator body; and the refrigerating box cover is rotatably connected to the upper end of the refrigerating box body side on the second shell and used for opening and closing the refrigerating box body.

Further, the freezing intracavity is equipped with: the first positioning piece comprises a pair of first positioning strips arranged on the same horizontal plane, wherein one first positioning strip is arranged on one side wall of the third shell, and the other first positioning strip is arranged on the other opposite side wall of the third shell; the freezing pipe frame comprises a support plate which is adaptive to the cross section of the freezing cavity, and a plurality of freezing pipe grooves are uniformly arranged on the support plate; the fixing devices are arranged at two ends of the first positioning strip; when the freezing pipe support is placed on the first positioning piece, the fixing device can fix the freezing pipe support on the first positioning piece.

Furthermore, a first pin hole is formed in the four corners of the support plate, and second pin holes are formed in the two ends of the first positioning strip; the fixing device includes: a fixing pin; one end of the connecting belt is arranged at one end of the first positioning strip, and the other end of the connecting belt is provided with the fixing pin;

when the freezing pipe support is placed on the first positioning piece, the first pin hole corresponds to the second pin hole, and the fixing pin can penetrate through the first pin hole and the second pin hole to fix the freezing pipe support on the first positioning piece.

Further, the cold-stored intracavity is equipped with: the second positioning piece comprises a pair of second positioning strips arranged on the same horizontal plane, one second positioning strip is arranged on one side wall of the fourth shell, and the other second positioning strip is arranged on the other opposite side wall of the fourth shell; the freezing tray is adaptive to the cross section of the refrigerating cavity and comprises a lower concave area and a tray edge, and the lower concave area is adaptive to the shape of the cell bag and used for placing the cell bag.

Further, several sets first setting element is in along third casing direction of height evenly distributed in the freezing intracavity, several sets the second setting element is in along fourth casing direction of height evenly distributed in the cold-stored intracavity, freezing chamber with cold-stored chamber volume ratio is 1: 2.

further, the diaphragm assembly includes: a first partition plate provided on the side of the refrigerator body; a second partition plate provided on the side of the freezer compartment; the cover plate is arranged at the upper ends of the first partition plate, the second partition plate and the second shell, and the first partition plate, the second partition plate, the cover plate and the second shell enclose an isolation piece accommodating cavity; and the insulation plate is arranged in the insulation piece accommodating cavity.

Further, a first display screen is arranged on the upper surface of the freezing box cover, a first temperature sensor is arranged on the inner wall of the third shell, and the first temperature sensor is in signal connection with the first display screen and the terminal equipment; the refrigerator cover upper surface is equipped with the second display screen, fourth shells inner wall is equipped with the second temperature sensor, the second temperature sensor with second display screen and terminal equipment signal connection.

Further, the first shell comprises a high-density foaming material layer and a polyethylene foam layer from outside to inside, and the second shell, the third shell and the fourth shell are all made of metal materials.

Further, the stem cell transport case further comprises: the first clamping plate is arranged at one end of the refrigerator cover, and the first clamping seat is arranged on the outer surface of the side of the first shell refrigerator body; the second buckle comprises a second clamping plate and a second clamping seat, the second clamping plate is arranged at one end of the refrigerating box cover, and the second clamping seat is arranged on the outer surface of the first shell body at the side of the refrigerating box body.

Furthermore, the cold-storage agent adopts A1203-H20 nanofluid, and the adsorption material adopts sponge.

Due to the adoption of the scheme, the invention has the beneficial effects that: the second shell is divided into a freezing box body and a refrigerating box body by the partition plate assembly, a freezing cavity in the third shell is separated from a first cavity between the second shell and the third shell, and liquid nitrogen is adopted as a refrigerant in the first cavity and can perform freezing and heat preservation on a freezing pipe in the freezing cavity; the invention can provide two heat preservation modes of freezing and refrigerating, can realize the transportation of stem cell samples with multiple specifications, and effectively prevent stem cells from being corroded and polluted. The first shell comprises a high-density foaming material layer and a polyethylene foam layer from outside to inside, the high-density foaming material layer can buffer vibration brought to the stem cell transport box in the process of transport, and the state stability of a freezing pipe and a cell bag in the stem cell transport box is kept; the polyethylene foam layer can prevent heat from entering the first shell, and has a good heat preservation effect. The first temperature sensor is in signal connection with the first display screen, and the first display screen can display temperature information acquired by the first temperature sensor; the second temperature sensor is in signal connection with a second display screen, and the second display screen can display temperature information acquired by the second temperature sensor; terminal equipment and first temperature sensor and second sensor signal connection, the long-range freezing chamber of acquireing of being convenient for and cold-stored intracavity temperature, medical staff can in time take emergency measures when discovering the temperature anomaly, ensure the transportation quality of cryovial and stem cell bag.

Drawings

FIG. 1 is a schematic structural diagram of a stem cell transport case provided in an embodiment of the present invention;

FIG. 2 is a top view of the stem cell shipping box of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a front view of the stem cell shipping box of FIG. 1;

fig. 5 is a sectional view taken along line B-B in fig. 4.

Wherein: 1. a box body; 2. a box cover; 21. a freezer lid; 22. a refrigerator cover; 23. a first display screen; 24. a second display screen; 3. a first housing; 4. a second housing; 5. a third housing; 51. a freezing chamber; 52. a first plate; 53. a first chamber; 54. an injection hole; 55. an orifice cover; 56. a support rib; 57. a first positioning member; 58. a first positioning bar; 59. a freezing pipe frame; 510. a support plate; 511. a freezing pipe groove; 512. a fixing device; 513. a fixing pin; 514. a connecting belt; 6. A fourth housing; 61. a refrigerated chamber; 62. a second plate; 63. a second chamber; 64. a second positioning member; 65. a second positioning bar; 66. a freezing plate; 67. a recessed area; 68. a disc edge; 7. a bulkhead assembly; 71. a first separator; 72. a second separator; 73. a cover plate; 74. an insulating panel; 81. A first clamping plate; 82. a first card holder; 83. a second clamping plate; 84. a second card holder.

Detailed Description

The present invention is described in detail below with reference to the accompanying drawings and examples:

as shown in fig. 1 to 5, an embodiment of the present invention provides a multifunctional stem cell transport case, which includes a case body 1 and a case cover 2.

The case 1 includes a first case 3, a second case 4, a third case 5, a first plate 52, a fourth case 6, and a second plate 62.

Second casing 4 accessible bonding, modes such as fastener are fixed locate inside first casing 3, be equipped with baffle subassembly 7 in the second casing 4, baffle subassembly 7 separates second casing 4 for freezing box and refrigerator.

The third shell 5 is arranged on the side of the freezing box inside the second shell 4, the third shell 5 can be fixedly connected with the baffle plate assembly 7 in a welding mode, a support rib 56 is arranged between the third shell 5 and the second shell 4, and the support rib 56 is used for supporting the third shell 5. The third housing 5 and the diaphragm assembly 7 enclose a freezing chamber 51, and the freezing chamber 51 is used for accommodating a freezing pipe.

The first plate 52 is arranged at the upper end of the second shell 4 and the upper end of the third shell 5, the first plate 52, the second shell 4 and the third shell 5 can be integrally manufactured, the first plate 52 can also be welded at the upper ends of the second shell 4 and the third shell 5, the first plate 52, the second shell 4, the third shell 5 and the baffle plate assembly 7 are enclosed to form a first cavity 53, liquid nitrogen is arranged in the first cavity 53, the first plate 52 is provided with a filling hole 54 for filling liquid nitrogen into the first cavity 53, a hole cover 55 is arranged in the filling hole 54, the outer circumference of the hole cover 55 is provided with external threads, the filling hole 54 is provided with internal threads matched with the external threads, the hole cover 55 can be screwed in the filling hole 54, the threaded connection facilitates the assembly and disassembly of the hole cover 55, and the connection is stable.

The fourth casing 6 is disposed on the side of the refrigeration box inside the second casing 4, the fourth casing 6 may be fixedly connected to the partition assembly 7 by welding, and a support rib 56 is disposed between the fourth casing 6 and the second casing 4, wherein the support rib 56 is used for supporting the fourth casing 6. The fourth housing 6 and the partition assembly 7 enclose a cooling chamber 61, and the cooling chamber 61 is used for accommodating a cell bag.

The second plate 62 is arranged at the upper end of the second shell 4 and the upper end of the fourth shell 6, the second plate 62, the second shell 4 and the fourth shell 6 can be integrated, the second plate 62 can also be welded at the upper ends of the second shell 4 and the fourth shell 6, the second plate 62, the second shell 4, the fourth shell 6 and the partition plate assembly 7 enclose a second cavity 63, a coolant and an adsorbing material are arranged in the second cavity, and the coolant can be placed on the adsorbing material. Preferably, the cold-storage agent adopts A1203-H20 nanofluid, the adsorbing material adopts sponge, and the A1203-H20 nanofluid can be adsorbed in the sponge, so that the fluidity of the cold-storage agent is changed, the phenomenon of uneven heating caused by liquid flowing in the transportation process is improved, the cold-storage agent can be repeatedly used, and the use cost is reduced.

The cover 2 includes a refrigerator cover 21 and a refrigerator cover 22. A cover 21 is rotatably attached to the upper end of the second housing 4 on the side of the freezer for opening and closing the freezer. Specifically, the lid 21 may be pivotally connected to the upper end of one side of the freezer body by a hinge. The refrigerator cover 22 is rotatably connected to the upper end of the second casing 4 on the side of the refrigerator body for opening and closing the refrigerator body. Specifically, the refrigerator cover 22 may be rotatably connected to an upper end of a side plate of the refrigerator body by a hinge.

The second shell 4 is divided into a freezing box body and a refrigerating box body by the clapboard component 7, a freezing cavity 51 in the third shell 5 is divided from a first cavity 53 between the second shell 4 and the third shell 5, and liquid nitrogen is adopted as a refrigerant in the first cavity 53, so that freezing heat preservation can be carried out on a freezing pipe in the freezing cavity 51; the refrigeration cavity 61 in the fourth shell 6 is separated from the second cavity 63 between the second shell 4 and the fourth shell 6, the cold storage agent is adopted as a refrigerant in the second cavity 63, and the cell bag in the refrigeration cavity 61 can be refrigerated and insulated.

Further, the first shell 3 comprises a high-density foaming material layer and a polyethylene foam layer from outside to inside, the high-density foaming material layer can buffer vibration brought to the stem cell transport box in the transportation process, and the state stability of a freezing pipe and a cell bag in the stem cell transport box is kept; the polyethylene foam layer can prevent heat from entering the first shell 3, and has a good heat preservation effect. The second shell 4, the third shell 5 and the fourth shell 6 are made of metal materials, have strong heat conduction performance and are beneficial to cold conduction in a refrigerator body and a cold storage box body.

In the embodiment of the present invention, as shown in fig. 3 and 5, a fixing device 512, at least one set of first positioning members 57, and at least one freezing pipe rack 59 are disposed in the freezing chamber 51. The first positioning piece 57 comprises a pair of first positioning strips 58 arranged on the same horizontal plane and used for supporting the freezing pipe support 59, the freezing pipe support 59 can be conveniently assembled and disassembled in the arrangement mode, one first positioning strip 58 is arranged on one side wall of the third shell 5, the other first positioning strip 58 is arranged on the other opposite side wall of the third shell 5, and the fixing devices 512 are arranged at two ends of each first positioning strip 58. The freezing pipe frame 59 is arranged corresponding to the first positioning piece 57 and comprises a support plate 510 adaptive to the cross section of the freezing cavity 51, a plurality of freezing pipe grooves 511 are uniformly formed in the support plate 510, and the freezing pipe grooves 511 are used for placing freezing pipes. When the freezing pipe rack 59 is placed on the first positioning member 57, the fixing device 512 can fix the freezing pipe rack 59 to the first positioning member 57. Preferably, there are 4 sets of the first positioning members 57, and there are 4 corresponding freezing pipe racks 59.

Further, as shown in fig. 3 and 5, the four corners of the support plate 510 are provided with first pin holes, and both ends of the first positioning bar 58 are provided with second pin holes. The fixing device 512 comprises a fixing pin 513 and a connecting belt 514, one end of the connecting belt 514 is fixed at one end of the first positioning strip 58, and the other end of the connecting belt 514 is provided with the fixing pin 513; when the freezing pipe support 59 is placed on the first positioning piece 57, the first pin hole corresponds to the second pin hole, the fixing pin 513 can be inserted into the first pin hole and the second pin hole, the freezing pipe support 59 is fixed on the first positioning piece 57, vibration caused to the stem cell transport box during transport can be buffered, and the state stability of the freezing pipe in the stem cell transport box is kept.

In an embodiment of the present invention, as shown in fig. 3 and 5, at least one set of second positioning members 64 and at least one freezing tray 66 are disposed in the refrigerating chamber 61. The second positioning member 64 includes a pair of second positioning bars 65 disposed on the same horizontal plane for supporting the freezing tray 66, and this arrangement facilitates the loading and unloading of the freezing tray 66, wherein one second positioning bar 65 is disposed on one side wall of the fourth casing 6, and the other second positioning bar 65 is disposed on the other opposite side wall of the fourth casing 6. The freezing tray 66 is adaptive to the cross section of the refrigerating cavity 61, the freezing tray 66 comprises a lower concave area 67 and a tray edge 68, the freezing tray 66 is placed on the second positioning piece through the tray edge, the lower concave area 67 is adaptive to the shape of the cell bag and used for placing the cell bag, and when the stem cell transport box is shaken in the transportation process, the cell bag can still be stably placed on the lower concave area 67 of the freezing tray 66, so that the influence of horizontal shaking on the position of the cell bag is reduced. Preferably, 3 sets of the first positioning members 57 are provided, and 3 freezing plates 66 are correspondingly provided, so that the cell bags are arranged in layers, and pollution caused by stacking of the cell bags among the cell bags can be avoided.

Further, as shown in fig. 3, several sets of the first positioning elements 57 are uniformly distributed in the freezing chamber 51 along the height direction of the third housing 5, several sets of the second positioning elements 64 are uniformly distributed in the refrigerating chamber 61 along the height direction of the fourth housing 6, and the volume ratio of the freezing chamber 51 to the refrigerating chamber 61 is 1: 2, the freezing chamber 51 and the refrigerating chamber 61 can meet most of the actual transportation requirements.

Further, as shown in fig. 3 and 5, the diaphragm assembly 7 includes a first diaphragm 71 and a second diaphragm 72. The first partition 71 is provided on the refrigerator side, and the second partition 72 is provided on the freezer side. The cover plate 73 is arranged at the upper ends of the first partition plate 71, the second partition plate 72 and the second shell 4, and specifically, the cover plate 73 can be non-detachably arranged at the upper ends of the first partition plate 71, the second partition plate 72 and the second shell 4 by welding and the like; cover plate 73 also can adopt modes such as fastener connection, joint fixed locate first baffle 71, second baffle 72 and second casing 4 upper end detachably, can hold the chamber with isolated piece from isolated piece and take out as required, makes the cold air transmission of freezer body to refrigerator body. First baffle 71 the second baffle 72 the apron 73 with the second casing 4 encloses into isolated piece and holds the chamber, and isolated board 74 is located in isolated piece holds the chamber, and isolated board 74 includes trompil polyurethane foam layer, plays the effect of keeping apart heat transfer, can prevent that the low temperature transmission in the freezer box from leading to the freezer box temperature to hang down excessively, influences the cell growth in the cell bag.

In the embodiment of the present invention, as shown in fig. 1 to 4, a first display screen 23 is disposed on an upper surface of the freezer lid 21, a first temperature sensor is disposed on an inner wall of the third housing 5, the first temperature sensor is in signal connection with the first display screen 23 and a terminal device, and the first display screen 23 is used for displaying temperature information acquired by the first temperature sensor; the refrigerator lid 22 upper surface is equipped with second display screen 24, the 6 inner walls of fourth casing are equipped with second temperature sensor, second temperature sensor with second display screen 24 and terminal equipment signal connection, second display screen 24 is used for showing the temperature information that second temperature sensor gathered. Terminal equipment includes mobile phone, computer etc. and terminal equipment and first temperature sensor and second sensor signal connection are convenient for long-range temperature in acquireing freezing chamber 51 and cold-stored chamber 61, and measure can in time be taken when discovering the temperature anomaly, ensure the transportation quality of cryovial and stem cell bag.

In an embodiment of the present invention, as shown in fig. 1, fig. 2, and fig. 4, the stem cell transport box further includes a first buckle and a second buckle. The first buckle comprises a first clamping plate 81 and a first clamping seat 82, the first clamping plate 81 is arranged at one end of the refrigerator cover 21, the first clamping seat 82 is arranged on the outer surface of the side of the refrigerator body of the first shell 3, and when the refrigerator cover 21 covers the refrigerator body, the first clamping seat 82 can be clamped with the first buckle to fix the refrigerator cover 21 on the refrigerator body, so that the sealing stability of the refrigerator body is ensured. The second buckle comprises a second clamping plate 83 and a second clamping seat 84, the second clamping plate 83 is arranged at one end of the refrigerating box cover 22, the second clamping seat 84 is arranged on the outer surface of the first shell 3 at the side of the refrigerating box, and when the refrigerating box cover 22 is covered on the refrigerating box body, the refrigerating box cover 22 can be fixed on the refrigerating box body through the second clamping plate 84 in a clamping mode through the second buckle, so that the sealing stability of the refrigerating box body is guaranteed.

In the invention, the second shell 4 is divided into a freezing box body and a refrigerating box body by the clapboard component 7, a freezing cavity 51 in the third shell 5 is divided from a first cavity 53 between the second shell 4 and the third shell 5, and liquid nitrogen is adopted as a refrigerant in the first cavity 53, so that freezing heat preservation can be carried out on a freezing pipe in the freezing cavity 51; the refrigeration cavity 61 in the fourth shell 6 is separated from the second cavity 63 between the second shell 4 and the fourth shell 6, the cold storage agent is adopted as a refrigerant in the second cavity 63, and the cell bag in the refrigeration cavity 61 can be refrigerated and insulated.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A multifunctional stem cell transport case is characterized by comprising a case body and a case cover, wherein,

the box body comprises:

a first housing;

the second shell is arranged inside the first shell, a partition plate assembly is arranged in the second shell, and the second shell is divided into a freezing box body and a refrigerating box body by the partition plate assembly;

the third shell is arranged on the side of a freezing box in the second shell, the third shell and the partition plate assembly enclose a freezing cavity, and the freezing cavity is used for accommodating a freezing pipe;

the first plate is arranged at the upper end of the second shell and the upper end of the third shell, the first plate, the second shell, the third shell and the partition plate assembly enclose a first cavity, liquid nitrogen is arranged in the first cavity, an injection hole is formed in the first plate and used for injecting the liquid nitrogen into the first cavity, and a hole cover is arranged in the injection hole;

the fourth shell is arranged on the side of a refrigerating box in the second shell, the fourth shell and the partition plate assembly enclose a refrigerating cavity, and the refrigerating cavity is used for accommodating a cell bag;

the second plate is arranged at the upper end of the second shell and the upper end of the fourth shell, the second plate, the second shell, the fourth shell and the partition plate assembly enclose a second cavity, a coolant and an adsorbing material are arranged in the second cavity, and the coolant can be placed on the adsorbing material;

the case lid includes:

a refrigerator cover rotatably connected to an upper end of the second housing on the side of the refrigerator body for opening and closing the refrigerator body;

and the refrigerating box cover is rotatably connected to the upper end of the refrigerating box body side on the second shell and used for opening and closing the refrigerating box body.

2. The multi-functional stem cell transport case of claim 1, wherein the freezing chamber is provided with:

the first positioning piece comprises a pair of first positioning strips arranged on the same horizontal plane, wherein one first positioning strip is arranged on one side wall of the third shell, and the other first positioning strip is arranged on the other opposite side wall of the third shell;

the freezing pipe frame comprises a support plate which is adaptive to the cross section of the freezing cavity, and a plurality of freezing pipe grooves are uniformly arranged on the support plate;

the fixing devices are arranged at two ends of the first positioning strip;

when the freezing pipe support is placed on the first positioning piece, the fixing device can fix the freezing pipe support on the first positioning piece.

3. The multifunctional stem cell transport case according to claim 2, wherein the four corners of the support plate are provided with first pin holes, and both ends of the first positioning strip are provided with second pin holes;

the fixing device includes:

a fixing pin;

one end of the connecting belt is arranged at one end of the first positioning strip, and the other end of the connecting belt is provided with the fixing pin;

4. The multi-functional stem cell transport case of claim 2, wherein the refrigerating chamber is provided with:

the second positioning piece comprises a pair of second positioning strips arranged on the same horizontal plane, one second positioning strip is arranged on one side wall of the fourth shell, and the other second positioning strip is arranged on the other opposite side wall of the fourth shell;

the freezing tray is adaptive to the cross section of the refrigerating cavity and comprises a lower concave area and a tray edge, and the lower concave area is adaptive to the shape of the cell bag and used for placing the cell bag.

5. The multi-functional stem cell transportation box according to claim 4, wherein several sets of the first positioning members are uniformly distributed in the freezing chamber along the height direction of the third housing, several sets of the second positioning members are uniformly distributed in the refrigerating chamber along the height direction of the fourth housing, and the volume ratio of the freezing chamber to the refrigerating chamber is 1: 2.

6. the multi-functional stem cell transport pod of claim 1, wherein the baffle assembly comprises:

a first partition plate provided on the side of the refrigerator body;

a second partition plate provided on the side of the freezer compartment;

the cover plate is arranged at the upper ends of the first partition plate, the second partition plate and the second shell, and the first partition plate, the second partition plate, the cover plate and the second shell enclose an isolation piece accommodating cavity;

and the insulation plate is arranged in the insulation piece accommodating cavity.

7. The multifunctional stem cell transportation box according to claim 1, wherein a first display screen is arranged on the upper surface of the freezing box cover, a first temperature sensor is arranged on the inner wall of the third shell, and the first temperature sensor is in signal connection with the first display screen and a terminal device;

the refrigerator cover upper surface is equipped with the second display screen, fourth shells inner wall is equipped with the second temperature sensor, the second temperature sensor with second display screen and terminal equipment signal connection.

8. The multi-functional stem cell transport case of claim 1, wherein the first housing comprises a high density foam layer and a polyethylene foam layer from outside to inside, and the second housing, the third housing and the fourth housing are made of metal materials.

9. The multifunctional stem cell transport container of claim 1, further comprising:

the first clamping plate is arranged at one end of the refrigerator cover, and the first clamping seat is arranged on the outer surface of the side of the first shell refrigerator body;

the second buckle comprises a second clamping plate and a second clamping seat, the second clamping plate is arranged at one end of the refrigerating box cover, and the second clamping seat is arranged on the outer surface of the first shell body at the side of the refrigerating box body.

10. The multifunctional stem cell transport case according to claim 1, wherein the cold-storage agent is a1203-H20 nanofluid, and the adsorption material is sponge.