CN210455662U

CN210455662U - Medical low temperature transfer box

Info

Publication number: CN210455662U
Application number: CN201920841498.2U
Authority: CN
Inventors: 王兴民; 江回春; 傅锦坚; 庞朗
Original assignee: Liuzhou Maternity and Child Healthcare Hospital
Current assignee: Liuzhou Maternity and Child Healthcare Hospital
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-05-05
Anticipated expiration: 2029-06-05

Abstract

The utility model relates to the technical field of low-temperature storage equipment, in particular to a medical low-temperature transfer box, which comprises a main box body, wherein the main box body is divided into a first box body and a second box body by a second isolation plate, a first box cover is arranged on the first box body, a second box cover is arranged on the second box body, and the first box cover and the second box cover are both connected with the end part of the second isolation plate through hinges; a freezing box is also arranged in the first box body, and the freezing area is the freezing box; a thermocouple is arranged at the bottom in the freezing box and is connected into the second box body; the second box body is internally provided with a controller, a power supply and a liquid nitrogen tank, and an air outlet of the liquid nitrogen tank is connected with an air pipe connected into the first box body. This medical low temperature transport case cools down the compensation through the mode of automatic temperature control, can guarantee the low temperature environment of incasement to reduce the specimen transportation in-process and take place rotten possibility, have convenient to use, safe and reliable's advantage.

Description

Medical low temperature transfer box

Technical Field

The utility model relates to a low temperature storage facilities technical field, in particular to medical low temperature transport box.

Background

Organ transplants or specimens need transport during medical treatment or experimentation, but transport occurs during many organ transplants or specimen preservation procedures. During the operation of transportation, there are requirements on the transportation box for storing organs or specimens during the transportation process, and generally, the following requirements are required: (1) the organ or specimen transportation is carried out in an unsealed state, and the specimen is exposed and is easy to be polluted by the environment; (2) the organ or specimen is not effectively fixed in the transfer box, so that the transferred organ or specimen is damaged by collision, the quality of the organ or specimen is directly influenced, and cases that the result of organ transplantation or specimen inspection is poor and even patients are harmed often occur; (3) the device does not have a low-temperature environment, so that the organ or specimen cannot be transported at low temperature, and the specimen can deteriorate due to temperature change, so that the organ transplantation effect or the specimen inspection result is influenced; (4) although the internal space of the existing organ or specimen in the transfer box is large, the existing organ or specimen is lack of planning, and the problems of waste of the volume in the box and low utilization rate exist; (5) high cost and inconvenient use.

Although the prior art also solves some or most of the above problems, for example, the utility model patent of publication No. CN201821375279.1 discloses a low temperature specimen transfer box, which comprises an inner box and an outer box, wherein the inner box comprises an inner box frame, a first drawer, a second drawer, an inner box lifting rod and a tray, the first drawer is arranged at the lower layer of the inner box frame, the second drawer is arranged at the middle layer or the upper layer of the inner box frame and is positioned at the upper side of the first drawer, the inner box lifting rod is vertically arranged, the fixed end of the inner box lifting rod is fixed at the top of the inner box frame, the tray is fixed at the top of the inner box frame, the trays are provided with 4 trays, 4 trays are uniformly distributed around the inner box lifting rod, a space is arranged between two adjacent trays, an ice bag which can be replaced is arranged in the space, and a foam board is arranged on the inner box frame, the upper surface of cystosepiment is equipped with the fixed orifices that is used for fixed gathering pipe, the outer container includes outer box, outer box lid and handle, outer box with outer box lid is made by heat preservation antidetonation material, the inner box is arranged in the outer box, outer case lid with outer box sealing connection the upper surface of outer case lid is equipped with the handle. This patent is used for solving current transport box and can not seal the transportation when transporting the sample, do not have low temperature environment, can not effectively fix and space utilization hangs down the problem. However, the preservation temperature of the scheme of the patent is not low enough, the preservation at the temperature of about minus 80 ℃ cannot be met, for some specimens or organs needing to be transferred, the scheme of the patent disclosed by the patent cannot meet the requirements, and the transplantation effect of the organs or the detection result of the specimens can be seriously influenced in the transferring process.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a medical low-temperature transfer box, which performs cooling compensation in an automatic temperature control manner, can ensure a low-temperature environment in the box, thereby reducing the possibility of deterioration in the specimen transfer process, and has the advantages of convenience in use, safety and reliability.

In order to achieve the above purpose, the utility model adopts the technical proposal that: a medical low-temperature transfer box comprises a main box body, wherein the main box body is divided into a first box body and a second box body by a second isolation plate, a first box cover is arranged on the first box body, a second box cover is arranged on the second box body, and the first box cover and the second box cover are connected with the end part of the second isolation plate through hinges and are tightly covered with the first box body and the second box body respectively; a freezing box is further arranged in the first box body, a sealing cover is arranged on the freezing box, and the sealing cover is connected with the freezing box in a sealing mode through a buckle; the second box body is divided into a freezing area and a heat exchange area by a freezing box and a first isolation plate, the heat exchange area is provided with an exchange radiating fin, a high-pressure pipe, a low-pressure pipe and a compressor, and the freezing area is the freezing box; the outer side of the first freezing box is connected with the compressor and the exchange radiating fin through a low-pressure pipe and a high-pressure pipe respectively; a heat radiation port is formed in the side wall of the main box body near the bottom of the first box body; the refrigerator comprises a first box body, a second box body, a refrigerating box, a fixing rod, a spring, a thermoelectric couple, a first box body, a second box body and a refrigerating box, wherein the first box body is internally provided with a refrigerating box, the refrigerating box is internally provided; a controller, a power supply and a liquid nitrogen tank are arranged in the second box body, an air outlet of the liquid nitrogen tank is connected with an air pipe connected into the first box body, a motor and a valve are installed on the air pipe, a rotor of the motor drives the valve to open and close, the motor is connected with the controller through an electric wire, and the controller is connected with the power supply; the controller is also connected with the compressor and a thermocouple connected into the second box body through wires.

Furthermore, the power supply is an external power supply or a rechargeable battery, and the rechargeable battery is a lithium ion battery.

Furthermore, a valve is arranged on an air pipe in the second box body, and a switch of the valve is fixedly connected with the motor rotor.

Further, the weight of the liquid nitrogen tank is required to be not more than 5kg, the height of the liquid nitrogen tank is not more than 400mm, and the outer diameter of the liquid nitrogen tank is not more than 200 mm.

Furthermore, a plurality of through holes are formed in the fixing block along the direction of the exhaust port.

Furthermore, the sealing cover of the freezing box and the box body of the freezing box are both made of a combination of a stainless steel shell and a heat insulation material, the outer side of the box body is made of the stainless steel shell, the heat insulation material is polyurethane or elastic foam, and the elastic foam is made of NBR and ethylene propylene diene monomer.

Further, the inner sides of the main box body, the first box cover and the second box cover are all made of heat insulation materials, and the heat insulation materials are made of polyurethane or elastic foam.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, be equipped with freezer and liquid nitrogen cylinder in the transfer box, the liquid nitrogen cylinder passes through the trachea and is connected with the freezer to the thermocouple opens and close the temperature in controlling the freezer through the motor on the controller to the trachea, has improved transfer box cooling effect and heat preservation effect, has realized the automation of transfer box and the operability of being convenient for.

2. The utility model discloses in, be equipped with the gas vent on the sealed lid of freezer, wherein the gas vent is sealed with fixed block, dead lever and block and spring, when liquid nitrogen tank passes through the trachea and gives freezer release liquid nitrogen, freezer internal pressure is too big, just can open block release atmospheric pressure through the gas vent, the atmospheric pressure of release has frozen nitrogen gas in the freezer simultaneously, can release the internal external problem of reduction freezer that reduces of first box, play isolated heat transfer's effect, the temperature variation in the freezer has also been delayed.

3. The utility model discloses in, adopt the liquid nitrogen container to cool down the mode of compensation, the temperature in the then freezer further reduces to required temperature, so can save the electric energy relatively, also can more practice thrift the liquid nitrogen than directly freezing with the liquid nitrogen, has guaranteed to make it can deal with the better operation of required transit time, and the time that fully makes preserving organ or sample has obtained the assurance.

4. The utility model discloses in, main tank body and case lid etc. all adopt thermal insulation material to do the inside lining, have alleviateed the weight of transfer box promptly, have played isolated external effect of transferring heat to the freezer again fast, have improved the convenience of transfer box greatly.

Drawings

Fig. 1 is a schematic structural view of the medical low-temperature transfer box of the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Description of the main elements

In the figure, 1, a main box body; 2. a first cover; 3. a second cover; 4. a liquid nitrogen tank; 5. a freezer; 6. a compressor; 7. Exchanging the heat radiating fins; 8. a high pressure pipe; 9. a low pressure pipe; 10. a thermocouple; 11. an air tube; 12. a hinge; 13. a valve; 14. a first separator plate; 15. a heat dissipation port; 16. a second separator plate; 17. an electric wire; 18. a controller; a1, exhaust port; a2, fixing blocks; a3, fixing rods; a4, a cap; a5, spring.

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

Referring to fig. 1 and 2, in a preferred embodiment of the present invention, a medical low-temperature transfer box includes a main box body 1, the main box body 1 is divided into a first box body and a second box body by a second isolation plate 16, a first box cover 2 is disposed on the first box body, a second box cover 3 is disposed on the second box body, and the first box cover 2 and the second box cover 3 are both connected to an end of the second isolation plate 16 through hinges 12 and are respectively tightly covered with the first box body and the second box body; a freezing box 5 is further arranged in the first box body, a sealing cover is arranged on the freezing box 5, and the sealing cover is connected with the freezing box 5 in a sealing mode through a buckle; the second box body is divided into a freezing area and a heat exchange area by a freezing box 5 and a first partition plate 14, the heat exchange area is provided with an exchange radiating fin 7, a high-pressure pipe 8, a low-pressure pipe 9 and a compressor 6, and the freezing area is the freezing box 5; the outer side of the freezing box 5 is respectively connected with the compressor 6 and the exchange radiating fin 7 through a low-pressure pipe 9 and a high-pressure pipe 8; a heat dissipation port 15 is formed in the side wall of the main box body 1 near the bottom of the first box body; an air inlet and an air outlet A1 are arranged on a sealing cover of the freezing box 5 in the first box body, the air inlet is connected into the first box body through an air pipe 11, a cap A4 is arranged in the air outlet direction of the air outlet A1, the cap A4 is connected with a fixing block A2 fixed on an air outlet A1 channel through a spring A5, a fixing rod A3 is further arranged in the center direction perpendicular to the fixing block A2, the spring A5 is sleeved on the fixing rod A3, one end of the spring A5 is fixed with the fixing block A2, the other end of the spring A5 is fixed with the cap A4, a thermocouple 10 is arranged at the bottom in the freezing box 5, and the thermocouple; a controller 18, a power supply and a liquid nitrogen tank 4 are arranged in the second box body, an air outlet of the liquid nitrogen tank 4 is connected with an air pipe 11 connected into the first box body, a motor and a valve 13 are installed on the air pipe 11, a rotor of the motor drives the valve 13 to open and close, the motor is connected with the controller 18 through an electric wire 17, and the controller 18 is connected with the power supply; the controller 18 is also connected to the compressor 6 and the thermocouple 10 connected to the second tank by means of the electric wire 17. Liquid nitrogen tank 4 is connected with the freezer through the trachea to the thermocouple opens and close the temperature that comes control freezer in to the motor on the trachea through the controller, has improved transport box cooling effect and heat preservation effect, has realized the automation of transport box and the operability of being convenient for.

Referring to fig. 2, the air outlet a1 outside the sealing cover of the freezer 5 exceeds the surface of the sealing cover by a certain height, the height of the air outlet exceeds the depth of the cap a4, and a sealing ring is disposed at the part of the cap a4 tightly attached to the sealing cover to ensure that the sealing ring tightly adheres to prevent air leakage from entering the freezer 5 during the process of tightly adhering the cap a4 to the sealing cover. Wherein the gas vent is sealed with fixed block A2, dead lever A3 and block A4 and spring A5, when liquid nitrogen is released for freezer box 5 through the trachea at liquid nitrogen container 4, freezer box 5 internal pressure is too big, just can open block A4 release atmospheric pressure through the gas vent, the atmospheric pressure of releasing in freezer box 5 has frozen nitrogen gas simultaneously, can release and reduce the external problem of freezer box 5 in the first box, play the effect of isolated heat transfer, the temperature change in freezer box 5 has also been delayed.

Referring to fig. 1, the power source is an external power source or a rechargeable battery, the rechargeable battery is a lithium ion battery, the rechargeable battery is a battery pack of the lithium ion battery, the battery pack of the rechargeable battery is a controller 18, and the controller 18 controls the compressor 6 and the motor. Meanwhile, the battery pack is also provided with an external power supply, and the battery pack is charged through the external power supply under the condition that the battery pack is not electrified; in addition, the controller 18, the compressor 6 and the motor can also be directly connected with an external power supply through the controller 18.

Referring to fig. 1, a valve 13 is disposed on an air pipe 11 in the second box, a switch of the valve 13 is fixedly connected with a rotor of the motor, when the temperature in the freezing box 5 rises to over 5 degrees, a thermocouple 10 transmits a signal to a controller 18, the controller 18 opens the motor to twist the valve 13 according to a preset value, and liquid nitrogen in the liquid nitrogen tank is put into the freezing box 5 through the air pipe 11 to cool the freezing box.

Referring to fig. 1, the liquid nitrogen tank 4 is required to have a weight not exceeding 5kg, a height not exceeding 400mm, and an outer diameter not exceeding 200mm, and may be a liquid nitrogen tank of baifang technologies ltd, beijing, the specification is YDS-2-35, the nominal volume of the liquid nitrogen tank is 2L, the caliber is 35mm, the outer diameter is 184mm, the height is 375mm, the empty weight is 2.8kg, and the full weight is 4.4kg, and the static liquid nitrogen protection period can reach 28 days.

Referring to fig. 1, a plurality of through holes are formed in the exhaust port a1 and the fixing block a2, so that the cap a4 can be pushed open through the through holes after air is exhausted from the exhaust port a1, the cap a4 is pulled by the spring a5, when the air pressure in the freezer 5 is smaller than the elastic force of the spring a5, the cap a4 is closed again, the pressure relief is completed, and the through holes ensure a passage for relieving the air pressure.

The utility model discloses the scheme is through optimizing, and the sealed lid of freezer 5 and freezer 5's box are made by stainless steel shell and thermal insulation material combination, and the outside is made by stainless steel shell, and thermal insulation material is polyurethane or elasticity foam, and the elasticity foam is made by NBR and EPT rubber, and main tank body 1, first case lid 2, the inboard of first case lid 3 all adopt thermal insulation material to make, thermal insulation material is polyurethane or elasticity foam. The main box body 1, the box cover and the like are all made of thermal insulation materials as linings, so that the weight of the transfer box is reduced, the effect of isolating external quick heat transfer to the freezing box 5 is achieved, and the convenience of the transfer box is greatly improved.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. A medical low-temperature transfer box comprises a main box body, wherein the main box body is divided into a first box body and a second box body by a second isolation plate, a first box cover is arranged on the first box body, a second box cover is arranged on the second box body, and the first box cover and the second box cover are connected with the end part of the second isolation plate through hinges and are tightly covered with the first box body and the second box body respectively; a freezing box is further arranged in the first box body, a sealing cover is arranged on the freezing box, and the sealing cover is connected with the freezing box in a sealing mode through a buckle; the second box body is divided into a freezing area and a heat exchange area by a freezing box and a first isolation plate, the heat exchange area is provided with an exchange radiating fin, a high-pressure pipe, a low-pressure pipe and a compressor, and the freezing area is the freezing box; the outer side of the first freezing box is respectively connected with the compressor and the exchange radiating fin through a low-pressure pipe and a high-pressure pipe; a heat radiation port is formed in the side wall of the main box body near the bottom of the first box body; the refrigerator is characterized in that a sealing cover of a refrigerator in the first box body is provided with an air inlet and an air outlet, the air inlet is connected into the first box body through an air pipe, a cap is arranged in the air outlet direction of the air outlet, the cap is connected with a fixed block fixed on an air outlet channel through a spring, a fixed rod is further arranged in the center direction perpendicular to the fixed block, the spring is sleeved on the fixed rod, one end of the spring is fixed with the fixed block, the other end of the spring is fixed with the cap, a thermocouple is arranged at the bottom in the refrigerator, and the thermocouple is connected into the; a controller, a power supply and a liquid nitrogen tank are arranged in the second box body, an air outlet of the liquid nitrogen tank is connected with an air pipe connected into the first box body, a motor and a valve are installed on the air pipe, a rotor of the motor drives the valve to open and close, the motor is connected with the controller through an electric wire, and the controller is connected with the power supply; the controller is also connected with the compressor and a thermocouple connected into the second box body through wires.

2. The medical cryogenic transfer box of claim 1, wherein the power source is an external power source or a rechargeable battery, and the rechargeable battery is a lithium ion battery.

3. The medical low-temperature transfer box according to claim 1, wherein a valve is arranged on an air pipe in the second box body, and a switch of the valve is fixedly connected with a rotor of the motor.

4. The medical cryogenic transfer box of claim 1, wherein the weight of the liquid nitrogen tank is required to be not more than 5kg, the height of the liquid nitrogen tank is required to be not more than 400mm, and the outer diameter of the liquid nitrogen tank is required to be not more than 200 mm.

5. The medical low-temperature transfer box according to claim 1, wherein a plurality of through holes are formed in the fixing block along the direction of the exhaust port.

6. The medical low-temperature transfer box according to claim 1, wherein the main box body, the first box cover and the second box cover are made of heat insulating materials on the inner sides, and made of stainless steel shells on the outer sides, and the heat insulating materials are made of polyurethane or elastic foam.