CN213514526U - Medical liquid cooling circulator - Google Patents

Abstract

The invention provides a medical liquid cooling circulator, which relates to the technical field of medical instruments and comprises a cabinet body, wherein a cabinet door is arranged on the cabinet body, a refrigerant storage box is arranged in the cabinet body, the refrigerant storage box is refrigerated through a refrigerating system, and a temperature adjusting system is arranged in the refrigerating system; a control box with an inclined cambered surface on the top surface is fixed at the top end of the cabinet body, an operation interface is arranged on the control box, a circulation inlet and outlet safety door is arranged on one side of the operation interface, a circulation inlet valve and a circulation outlet valve are arranged in the circulation inlet and outlet safety door and supported and mounted on the inner sides, the circulation inlet valve and the circulation outlet valve are respectively communicated with a refrigerant storage box through a liquid inlet pipe and a liquid outlet pipe, circulating pumps are connected to the liquid inlet pipe and the liquid outlet pipe, and a flow regulation control system is arranged on; the cabinet body is provided with a movable foot rest. Solves the problem that the prior clinical refrigerator is lack of a refrigerant liquid circulator specially aiming at medical application.

Description

Medical liquid cooling circulator

Technical Field

The invention relates to the technical field of medical instruments, in particular to a medical liquid cooling circulator.

Background

By cooling local tissues of a human body, the blood vessels and cells can be contracted, the blood capillaries around the wound can be contracted, the local congestion and bleeding can be relieved, the activity of the cells can be inhibited, the sensitivity of nerve endings is reduced, the pain can be relieved, the local bleeding can be reduced, the activity of bacteria and the metabolism of the cells can be reduced, and the diffusion of inflammation and even suppuration can be prevented. The medical clinical findings show that the low temperature can also relieve the symptoms of congestion, edema, erosion, ulcer and the like caused by the damage of cell DNA and the shedding of epithelial cells by oxygen radicals generated by ionizing water molecules by rays in radiotherapy.

In the existing clinic, the common cooling mode is to ice pack the ice bag or ice block taken out from the freezing chamber, the temperature of the ice bag or ice block is too low, the direct stimulation to the tissue causes poor tolerance, and the low temperature retention time is not long enough, which causes unsatisfactory ice pack effect and inconvenient use.

Therefore, the medical circulating refrigerator is urgently needed, a cooling terminal matched with a structure and a position of an organization part needing cooling can be adopted, for example, the medical circulating refrigerator can be a flexible and sealed refrigerant bag and also can be a shell capable of transferring temperature, refrigerant liquid after refrigeration is introduced into the cooling terminal through the refrigerator, the refrigerant liquid after temperature change is guided out of the cooling terminal to the refrigerator for circulating refrigeration, the refrigeration effect is guaranteed, and the medical circulating refrigerator is more flexible to use.

In the industrial refrigerant liquid circulator in the prior art, the refrigeration temperature and the circulating flow control precision of the refrigerant liquid are low, additives are usually added in the refrigerant liquid in order to prevent the refrigerant liquid from freezing, if the refrigerant liquid leaks, the additives can pollute wounds of patients, and particularly, when the positions of oral cavities and the like of the patients are cooled, poisoning accidents are easily caused if the refrigerant liquid leaks.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a medical liquid cooling circulator, which solves the problem that a refrigerant liquid circulator specially aiming at medical application is lacked in the existing clinic.

In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:

the medical liquid cooling circulator comprises a cabinet body, wherein a cabinet door is arranged on the cabinet body, a refrigerant storage box is arranged in the cabinet body, the refrigerant storage box is refrigerated through a refrigerating system, and a temperature adjusting system is arranged in the refrigerating system; a control box with an inclined cambered surface on the top surface is fixed at the top end of the cabinet body, an operation interface is arranged on the control box, a circulation inlet and outlet safety door is arranged on one side of the operation interface, a circulation inlet valve and a circulation outlet valve are arranged in the circulation inlet and outlet safety door and supported and mounted on the inner sides, the circulation inlet valve and the circulation outlet valve are respectively communicated with a refrigerant storage box through a liquid inlet pipe and a liquid outlet pipe, circulating pumps are connected to the liquid inlet pipe and the liquid outlet pipe, and a flow regulation control system is arranged on; the cabinet body is provided with a movable foot rest.

The invention has the beneficial effects that: the refrigerant storage box is used for storing refrigerant liquid, and the refrigerating temperature of the refrigerating system can be adjusted through the temperature adjusting system, so that the temperature of the refrigerant liquid can be adjusted according to different use requirements; the refrigerant liquid in the refrigerant storage box is output through the liquid outlet pipe, so that the refrigerant liquid which circularly flows at the refrigeration terminal can be formed, and the refrigeration temperature and the refrigeration effect are kept; the flow of the refrigerant liquid can be adjusted according to a flow adjusting control system arranged on the circulating pump, so that the circulating speed can be controlled according to different ice compress time requirements.

The top surface of control box is the slope cambered surface and is provided with operation interface, can improve the aesthetic property of appearance, and the operation interface of slope accords with human-machine engineering better simultaneously, has improved convenience and the travelling comfort of operation. The cabinet body is provided with the movable foot stand, so that the liquid cooling circulator is more convenient and labor-saving to move.

Drawings

Fig. 1 is a perspective view of a medical liquid cooling circulator.

Fig. 2 is a front structural view of a cabinet body of the medical liquid cooling circulator with a front plate removed.

Fig. 3 is an enlarged view of a point a in fig. 1.

Wherein, 1, a cabinet body; 101. a cabinet door; 2. a refrigerant storage box; 3. a control box; 31. an inclined arc surface; 4. An operation interface; 5. a start-stop switch; 6. a temperature regulator; 7. a flow regulator; 8. a pressure gauge; 9. an alarm; 10. an emergency stop button; 11. a circulating inlet and outlet safety door; 111. an arch-shaped opening; 12. a recycle inlet valve; 13. a circulation outlet valve; 14. electromagnetic induction locking; 15. moving the foot rest; 151. a universal wheel; 152. a push-pull handle; 16. a liquid level display; 17. a circulation pump; 18. a liquid outlet pipe.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.

As shown in fig. 1 and 2, the medical liquid cooling circulator includes a cabinet 1, a cabinet door 101 is disposed on the cabinet, a refrigerant storage 2 is disposed in the cabinet 1, the refrigerant storage 2 is refrigerated by a refrigeration system, and a temperature adjustment system is disposed in the refrigeration system.

A control box 3 with an inclined cambered surface 31 on the top surface is fixed at the top end of the cabinet body 1, an operation interface 4 is arranged on the control box 3, a circulation inlet and outlet safety door 11 is arranged on one side of the operation interface, a circulation inlet valve 12 and a circulation outlet valve 13 are arranged in the circulation inlet and outlet safety door 11 and supported and installed on the inner side, the circulation inlet valve 12 and the circulation outlet valve 13 are respectively communicated with the refrigerant storage box 2 through a liquid inlet pipe and a liquid outlet pipe, a circulation pump 17 is connected to the liquid inlet pipe and the liquid outlet pipe, and a flow regulation control system is arranged on; the cabinet body is provided with a movable foot rest 15.

The refrigerating system comprises a compressor, a condenser, an evaporator, an expansion valve, an auxiliary refrigerating liquid storage device, a drying filter, a stop valve, a liquid viewing mirror, an electromagnetic valve and the like, and the devices are sequentially connected through pipelines to form a closed system. The temperature control system arranged in the refrigerating system can refrigerate according to the input refrigerating temperature.

When the refrigerating system is working, the compressor sucks the low-temperature and low-pressure refrigerant vapor generated by the evaporator into the cylinder, the low-temperature and low-pressure refrigerant vapor is compressed by the compressor, and when the pressure is increased (the temperature is also increased) to be slightly more than the pressure in the condenser, the high-pressure refrigerant vapor in the cylinder is discharged into the condenser. The high-temperature and high-pressure refrigerant vapor in the condenser exchanges heat with air (or normal-temperature water) with lower temperature to be condensed into liquid refrigerant, at the moment, the liquid refrigerant is cooled (decompressed) by an expansion valve and then enters an evaporator, the heat of a cooled object is absorbed in the evaporator and then is vaporized, so that refrigerant liquid is cooled, the refrigerant vapor is absorbed by a compressor, and a cycle is completed through four processes of compression, condensation, expansion and evaporation in a refrigerating system, so that the refrigerant liquid in the refrigerant storage box 2 is refrigerated to the required temperature.

A liquid level sensor is arranged in the refrigerant storage box 2, the type of the liquid level sensor is preferably QDY30A-N, a measuring probe of the liquid level sensor is installed in the refrigerant storage box 2, the liquid level height in the heat insulation box is displayed through a liquid level display 16, the liquid level display is fixed on a front plate of the cabinet body so as to facilitate manual real-time detection of the liquid level height, and meanwhile, the liquid level sensor feeds back the liquid level height value to a master controller in real time.

As shown in fig. 1 and 3, the circulation inlet/outlet safety door 11 is openably and closably connected to the cabinet 1 through an electromagnetic induction lock 14, and the circulation inlet/outlet safety door 11 is provided with an arch-shaped opening 111 for connecting an external pipeline with the circulation inlet valve 12 and the circulation outlet valve 13. And a circulation inlet valve 12 and a circulation outlet valve 13 are supported and installed on the inner side of the circulation inlet and outlet safety door 11, and the circulation inlet valve 12 and the circulation outlet valve 13 are respectively connected with the liquid inlet pipe and the liquid outlet pipe. The circulation inlet and outlet safety door 11 can be connected to the cabinet body 1 in an opening and closing mode through the electromagnetic induction lock catch 14, the electromagnetic induction lock catch 14 comprises an electromagnet fixed on the cabinet body 1 and an iron sheet fixed on the circulation inlet and outlet safety door 11, the circulation inlet and outlet safety door 11 is closed through the electromagnet adsorption iron sheet, and only when the circulation inlet and outlet safety door 11 is detected to be closed, the circulation pump is started to circulate the refrigerant fluid, so that the refrigerant fluid is prevented from being output to cause leakage before an external pipeline is not connected. The flow rate range of the refrigerant liquid in the liquid inlet pipe and the liquid outlet pipe is 0-500 mL/min.

The operation interface 4 is provided with a start-stop switch 5, a temperature regulator 6, a flow regulator 7, a pressure gauge 8, an alarm 9 and an emergency stop button 10 which are connected with the master controller. The start-stop switch 5 is a key switch and is used for starting and stopping the whole equipment; the temperature regulator 6 is a key-type input button, and comprises an increase button, a decrease button and a liquid crystal screen for displaying the current temperature; the flow regulator 7 is a knob type regulator, and inputs a flow value which needs to be reached by circulating refrigerant liquid to the master controller through a rotating angle; the pressure gauge 8 is a low-temperature-resistant pressure gauge for liquid; the alarm 9 is preferably a buzzer alarm or an audible and visual alarm, is connected with the master controller, and prompts people by giving an alarm when the abnormal operation of the system is detected; the emergency stop button 10 is a mushroom head button and is used for emergency stop of the whole set of equipment in an emergency.

The refrigerating temperature range of the refrigerating system is-20-50 ℃, the refrigerating time is 0.5-8 hours, and the refrigerating temperature is about 0 ℃ generally in consideration of the tolerance of patients.

Remove foot rest 15 including being fixed in a plurality of universal wheels 151 of cabinet body bottom and being fixed in the push-and-pull handle 152 on the control box 3, to the cabinet body 1 that is the rectangle, preferably fix a universal wheel 151 respectively on four angles of cabinet body bottom, be provided with the brake on the universal wheel 151, the brake on the universal wheel 151 is convenient for can stop and stably fix this medical liquid cooling circulator in the optional place.

When the universal controller is used, the start-stop switch 5 is pressed down, so that the master controller is switched on and is in a working state, and the stm32f103zet6 singlechip chip is preferably selected by the master controller. The target refrigeration temperature value is pressed on the temperature regulator 6 according to the refrigeration temperature required by the refrigerant liquid, the flow regulator 7 is adjusted to the required gear according to the target flow value required by the refrigerant liquid, the flow value can be usually met within a range, so the requirement can be met only by arranging a plurality of gears on the flow regulator 7, the master controller controls the refrigeration system to work to refrigerate the refrigerant liquid in the cooling box to the target refrigeration temperature value, whether the target refrigeration temperature value is reached or not is detected by the temperature sensor, and the temperature sensor is preferably a thermistor temperature sensor with the model of MF53-503F-3950 and 400L. And opening a circulating pump, inputting and outputting the refrigerant liquid to the cooling terminal in a circulating manner according to the target flow value, and carrying out ice compress on the affected part through the cooling terminal until the ice compress time of the doctor advice is reached.

Claims (7)

1. A medical liquid cooling circulator is characterized by comprising a cabinet body, wherein a cabinet door is arranged on the cabinet body, a refrigerant storage box is arranged in the cabinet body, the refrigerant storage box is refrigerated through a refrigerating system, and a temperature adjusting system is arranged in the refrigerating system;

a control box with an inclined cambered surface on the top surface is fixed at the top end of the cabinet body, an operation interface is arranged on the control box, a circulation inlet and outlet safety door is arranged on one side of the operation interface, a circulation inlet valve and a circulation outlet valve are arranged in the circulation inlet and outlet safety door and supported and mounted on the inner side, the circulation inlet valve and the circulation outlet valve are respectively communicated with the refrigerant storage box through a liquid inlet pipe and a liquid outlet pipe, circulating pumps are connected to the liquid inlet pipe and the liquid outlet pipe, and a flow regulation control system is arranged on each circulating pump; the cabinet body is provided with a movable foot stand.

2. The medical liquid cooling circulator of claim 1, wherein a level sensor is disposed within the coolant storage compartment and electrically coupled to a level display embedded in the cabinet.

3. The medical liquid cooling circulator of claim 1, wherein the circulation inlet and outlet safety door is openably and closably connected to the cabinet body by an electromagnetic induction lock, and an arch-shaped opening for connecting an external pipeline with the circulation inlet valve and the circulation outlet valve is formed in the circulation inlet and outlet safety door.

4. The medical liquid cooling circulator of claim 1, wherein a start-stop switch, a temperature regulator, a flow regulator, a pressure gauge, an alarm and an emergency stop button are disposed on the operation interface.

5. The medical liquid-cooled circulator of claim 1, wherein the refrigeration temperature of the refrigeration system is in a range of-20 ℃ to 50 ℃ and the refrigeration time is in a range of 0.5 hour to 8 hours.

6. The medical liquid-cooled circulator of claim 1, wherein a flow rate of coolant liquid in said inlet tube and said outlet tube is in a range of 0-500 mL/min.

7. The medical liquid cooling circulator of claim 1, wherein the movable foot rest comprises a plurality of universal wheels fixed at the bottom end of the cabinet body and a push-pull handle fixed on the control box, and the universal wheels are provided with brakes.

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