CN201070419Y - Portable craniocerebral cooling instrument - Google Patents

Abstract

The utility model relates to a portable craniocerebral temperature-reducing instrument of the medical technical field, which comprises a semi-conductor refrigeration sheet, a refrigeration-volume transferring aluminum block, a refrigeration-volume transferring aluminum sheet, a water storage tank, a heat-insulation layer, a heat-radiation aluminum sheet, a fan, a water bag, a temperature-measuring sensor, a controlling switch and a power source; wherein, the outer wall of the water storage tank is provided with the heat-insulation layer, the refrigeration-volume transferring aluminum block is arranged on one side wall of the water storage tank, the refrigeration-volume transferring aluminum sheet is arranged inside the water storage tank, the refrigeration-volume transferring aluminum sheet is contacted with one side of the refrigeration-volume transferring block, the cold end of the semi-conductor refrigeration sheet is kept close to the other side of the refrigeration-volume transferring block, the hot end of the semi-conductor refrigeration sheet is connected with the heat-radiation aluminum sheet, the fan is fixed on the heat-radiation aluminum sheet, the water bag is communicated with the water storage tank, the temperature-measuring sensor is arranged inside the water bag, the gap between the temperature-measuring sensor and the water bag is sealed with an adhesive plaster, the temperature-measuring sensor is connected with the controlling switch, and the controlling switch is arranged on a wire between the power source and the semi-conductor refrigeration sheet. The utility model realizes the intelligent temperature control, has light weight, small volume and convenient operation, and is convenient to carry.

Description

Portable Brain Cooling Apparatus

technical field

The utility model relates to an instrument in the technical field of medical devices, in particular to a portable brain cooling instrument.

Background technique

Research shows that traumatic brain injury is the leading cause of traumatic death. Research on the protective effect of mild hypothermia in the past ten years has proved that mild hypothermia can fully protect damaged brain cells and promote the recovery of nerve function. The International Resuscitation Liaison Committee has also included mild hypothermia in its guidelines for resuscitation after out-of-hospital cardiac arrest.

So far, how to quickly, feasible, safe, and effective cooling of patients with craniocerebral trauma is still a difficult problem to be solved. Although the previous cooling methods such as alcohol rubbing baths and placing ice packs on the groin, armpits and neck can also reach the target temperature, the operation process is complicated, the induction time is long, and many systemic complications are prone to occur. In the specific implementation and maintenance of clinical mild hypothermia therapy, how to achieve rapid induction process, accurate and reliable maintenance process, controllable rewarming speed and simple operation are issues that must be considered. Existing cooling equipment is bulky, expensive, or lacks intelligent temperature control, and cannot cope with emergencies such as emergency rescue outside the hospital.

The implementation of mild hypothermia cerebral protection during the pre-hospital first aid can gain valuable time for further rescue and follow-up treatment. The characteristic of out-of-hospital first aid is to transfer to the professional ward of the hospital, and the treatment time is short. Medical staff require small and light portable equipment to assist treatment.

After searching the literature of the prior art, it was found that the Chinese patent application number 200320112977.X, the patent publication number CN2669812, the name is: multi-point directional brain cooling device, using automatic refrigeration device to cool down, and the automatic refrigeration device passes through the pipeline and directional cooling The ice blanket is connected, and the temperature sensor on the directional cooling ice blanket is connected with the automatic refrigeration device to control the temperature of the ice blanket. But the automatic refrigeration device wherein is not described further, simultaneously, the existing automatic refrigeration device equipment volume is big, and weight is heavy, is inconvenient to carry.

Utility model content

The utility model aims at the deficiency of the above-mentioned prior art, and provides a portable craniocerebral cooling instrument, which can be used for rescue outside the hospital, realizes intelligent temperature control, is light in weight, small in size, easy to operate and easy to carry.

The utility model is realized through the following technical proposals, and the utility model includes: a semiconductor refrigerating sheet, a cold transfer aluminum block, a cold transfer aluminum sheet, a water storage tank, a thermal insulation layer, a heat dissipation aluminum sheet, a fan, a water bag, and a temperature measuring sensor , Control switch, power supply.

Among them: there is an insulating layer in the middle of the outer wall of the water storage tank, the cold energy transfer aluminum block is installed on one side wall of the water storage tank, the cold energy transfer aluminum sheet is placed in the water storage tank, and the cold energy transfer aluminum sheet and the cold energy transfer aluminum block are integrated Face to face contact, the cold end of the semiconductor refrigeration sheet is attached to the other side of the cold transfer aluminum block, the hot end of the semiconductor refrigeration sheet is connected to the heat dissipation aluminum sheet, the fan is fixed on the heat dissipation aluminum sheet, the water bag communicates with the water storage tank, and the temperature sensor is placed In the water bag, there is an adhesive tape to seal the gap between the connection line of the temperature measuring sensor and the water bag, the temperature measuring sensor is connected with the control switch, and the control switch is installed on the electric wire between the power supply and the semiconductor refrigerating sheet.

The water bag is provided with a temperature sensor placement opening, and the temperature measurement sensor is placed in the water bag through the water temperature sensor placement opening.

The water bag is provided with the outlet pipe of the water bag and the water inlet pipe of the water bag, the water storage tank is provided with the outlet pipe of the water storage tank and the water inlet pipe of the water storage tank, and a first water pump and a second water pump.

The water inlet pipe of the water bag is connected to the water outlet pipe of the water storage tank through the first water pump, and the water outlet pipe of the water bag is connected to the water inlet pipe of the water storage tank through the second water pump.

The semiconductor refrigerating sheet, the cold transfer aluminum block, the cold transfer aluminum sheet in contact with water, the water storage tank, the heat dissipation aluminum sheet, the fan, the heat insulation layer, the water outlet pipe of the water storage tank and the water inlet pipe of the water storage tank are used as the refrigeration unit of the device. device.

The water inlet pipe of the water bag, the water outlet pipe of the water bag, the first water pump, the second water pump, the water bag, and the temperature sensor placement port are used as the heat exchange device of the device.

The temperature measuring sensor and the control switch are used as the temperature control device of the device.

The power supply is a DC power supply or an AC power supply, the DC power supply is a battery, the AC power supply is a power adapter, and the power adapter is an AC-to-DC voltage stabilizer.

The cooling process of the utility model device is as follows: after the semiconductor refrigeration sheet is loaded with direct current, the cold end absorbs heat, and the cold transfer aluminum block plays the role of cooling transfer and cooling demand, and transfers the cold to the cold transfer aluminum sheet in contact with water, thereby Reduce the water temperature in the water storage tank, the heat insulation layer in the outer wall of the water storage tank acts as a heat insulator for the cooling water, the hot end of the semiconductor refrigeration chip is radiated by a radiator composed of a heat dissipation aluminum sheet and a fan, and the cooling water is driven by the water pump from the water storage tank After pumping out, it flows into the water bag, and the water bag cools the object to be cooled, and then the heated water flows from the water bag back to the water storage tank under the drive of the water pump to realize the cycle of cooling water from the water storage tank to the water bag. The temperature measuring sensor measures the water temperature in the water bag, and the control switch receives the temperature value of the temperature measuring sensor. When the temperature value is lower than the temperature lower limit, the control switch controls the semiconductor refrigeration chip to stop working. When the temperature value is higher than the temperature upper limit, the control switch The switch controls the operation of the semiconductor cooling chip, thereby controlling the temperature of the cooling water. The power module provides power for the semiconductor cooling chip, water pump, and fan. The water bag is in contact with the patient to achieve sub-low temperature treatment.

Compared with the prior art, the utility model has the beneficial effects: the utility model adopts the semiconductor refrigeration chip to cool down, and the cost is low, and at the same time, the battery or the power adapter is used as the power source, so that the cooling device is small in size, light in weight, easy to carry and easy to use , Due to the design of the temperature control device, automatic temperature control can be realized, which is convenient and safe to use. The utility model can be early applied to patients with severe trauma such as craniocerebral trauma and cardiac arrest to implement cardio-cerebral resuscitation, realizes short-term treatment through local contact with the sick body, is especially suitable for first aid in an ambulance, and can also be used as a regular treatment for local sick bodies use.

Description of drawings

Fig. 1 is the structural representation of the utility model

Detailed ways

Below in conjunction with accompanying drawing the embodiment of the present utility model is described in detail: present embodiment is carried out under the premise of technical solution of the present utility model, has provided detailed embodiment and concrete operation process, but protection scope of the present utility model It is not limited to the following examples.

As shown in Figure 1, the utility model includes: a semiconductor refrigeration sheet 1, a cold transfer aluminum block 2, a cold transfer aluminum sheet 3 in contact with water, a water storage tank 4, a heat dissipation aluminum sheet 5, a fan 6, an insulating layer 7, The water outlet pipe 8 of the water storage tank and the water inlet pipe 9 of the water storage tank, the water inlet pipe 10 of the water bag, the water outlet pipe 11 of the water bag, the first water pump 12, the second water pump 13, the water bag 14, the temperature sensor placement port 15, the measuring Temperature sensor 16, control switch 17, power supply 18.

Wherein, the outer wall of the water storage tank 4 is double-layered, and an insulating layer 7 is arranged in the middle of the double-layer outer wall. The water outlet pipe 8 of the water storage tank and the water inlet pipe 9 of the water storage tank are arranged on the side wall of the water storage tank 4, and the cooling capacity transfer aluminum block 2 Installed through the other side wall of the water storage tank 4, the cold energy transfer aluminum sheet 3 in contact with the water is in contact with the cold energy transfer aluminum block 2, and the cold energy transfer aluminum sheet 3 in contact with the water is placed in the water storage tank 4 The cold end of the semiconductor cooling sheet 1 is attached to the other side of the cold transfer aluminum block 2, the hot end of the semiconductor cooling sheet 1 is connected to the heat dissipation aluminum sheet 5, the fan 6 is fixed on the heat dissipation aluminum sheet 5, and the surface of the water bag 14 is provided with The water inlet pipe 10 of the water bag and the water outlet pipe 11 of the water bag, the water inlet pipe 10 of the water bag is connected with the water outlet pipe 8 of the water storage tank through the first water pump 12, and the water outlet pipe 11 of the water bag is connected with the water inlet of the water storage tank through the second water pump 13. The water pipe 9 is connected, and one end of the water bag 14 is provided with a temperature measuring sensor placement port 15, and the temperature measuring sensor 16 is placed in the water bag 14 through the temperature measuring sensor placement port 15 at one end of the water bag 14, and the temperature measuring sensor 16 is connected with adhesive tape. The gap between the line and the temperature sensor placement port 15, the temperature sensor 16 is connected with the control switch 17, and the control switch 17 is installed on the electric wire between the power supply 18 and the semiconductor refrigeration chip 1.

The semiconductor refrigeration sheet 1, the cold transfer aluminum block 2, the cold transfer aluminum sheet 3 in contact with water, the water storage tank 4, the heat dissipation aluminum sheet 5, the fan 6, the heat insulation layer 7, the water outlet pipe 8 of the water storage tank and the water storage tank The water inlet pipe 9 is used as the refrigeration unit of the present embodiment device.

The water inlet pipe 10 of the water bag, the water outlet pipe 11 of the water bag, the first water pump 12, the second water pump 13, the water bag 14, and the temperature sensor placement port 15 are used as the heat exchange device of the device of this embodiment.

The temperature measuring sensor 16 and the control switch 17 are used as the temperature control device of the device in this embodiment.

The power supply 18 is a DC power supply or an AC power supply, the DC power supply is a battery, the AC power supply is a power adapter, and the power adapter is a voltage stabilizer for converting AC to DC.

The heat insulating layer 7 is made of polyurethane foam material.

The fan 6 is a ball fan.

When the present embodiment works, the cold end absorbs heat after the semiconductor refrigerating sheet 1 is loaded with power, and the cold transfer aluminum block 2 plays the role of cooling transfer and cooling demand, and transfers the cold to the cold transfer aluminum sheet 3 in contact with water, thereby Reduce the temperature of the cooling water in the water storage tank 4, the heat insulating layer 7 in the outer wall of the double-layer water storage tank 4 plays a thermal insulation effect on the cooling water, and the hot end of the semiconductor refrigeration sheet 1 is radiated by a radiator composed of a heat dissipation aluminum sheet 5 and a fan 6 , the cooling water is drawn from the water storage tank 4 driven by the water pump 12 and then flows into the water bag 14 of the heat exchange module. The water bag cools the object to be cooled, and then the heated water flows back from the water bag 14 driven by the water pump 13 The water storage tank 4 realizes the circulation of cooling water from the water storage tank 4 to the water bag 14 . The temperature sensor 16 measures the water temperature in the water bag 14, and the control switch 17 receives the temperature value of the temperature sensor 16. When the temperature value is lower than the temperature lower limit (set by a doctor), the control switch 17 controls the semiconductor refrigeration chip 1 to stop working , when the temperature value is higher than the temperature upper limit (set by a doctor), the control switch 17 controls the work of the semiconductor cooling chip 1, thereby controlling the temperature of the cooling water. The power supply 18 is the semiconductor cooling chip 1, the first water pump 12, and the second water pump 13, the fan 6 provides power, and the water bag 14 is in contact with the sick body to realize mild hypothermia treatment.

Beneficial effects of this embodiment: This embodiment adopts the semiconductor refrigeration chip 1 for cooling, and the cost is low. At the same time, a battery or a power adapter is used as the power source, so that the cooling device is small in size, light in weight, easy to carry, and easy to use. The control module can realize automatic temperature control, which is convenient and safe to use. This embodiment can be used early in the implementation of cardiocerebral resuscitation for patients with severe trauma such as craniocerebral trauma and cardiac arrest. Short-term treatment can be achieved through local contact with the sick body. It is especially suitable for first aid in ambulances, and can also be used as a regular treatment for local sick bodies. use. In this embodiment, the battery is used in an environment without civilian AC power, and the battery is a DC power supply. In an environment with an AC power supply, a power adapter can be used instead of the battery for power supply, so that the working time is not limited.

Claims (5)

1. A portable brain cooling instrument, comprising: a water storage tank, a water bag, a temperature measuring sensor, a power supply, and is characterized in that it also includes: a semiconductor refrigeration sheet, a cold transfer aluminum block, a cold transfer aluminum sheet, a thermal insulation layer, Heat dissipation aluminum sheet, fan, control switch, water bag communicate with the water storage tank, the temperature sensor is placed in the water bag, the gap between the temperature sensor connection line and the water bag is sealed, and there is an insulation layer in the middle of the outer wall of the water storage tank. The transfer aluminum block is installed on one side wall of the water storage tank. The cold transfer aluminum sheet is placed in the water storage tank. The cold transfer aluminum sheet is in contact with one side of the cold transfer aluminum block. On the other side of the transfer aluminum block, the hot end of the semiconductor refrigeration sheet is connected to the heat dissipation aluminum sheet, the fan is fixed on the heat dissipation aluminum sheet, the temperature sensor is connected to the control switch, and the control switch is installed on the wire between the power supply and the semiconductor refrigeration sheet. 2. The portable brain cooling device according to claim 1, wherein the water bag is provided with a temperature measuring sensor opening, and the temperature measuring sensor is placed in the water bag through the water temperature measuring sensor opening. 3. The portable brain cooling instrument according to claim 1, wherein the water bag is provided with an outlet pipe of the water bag and an inlet pipe of the water bag, and the water storage tank is provided with an outlet pipe of the water storage tank and the water inlet pipe of the water storage tank, a first water pump and a second water pump are arranged between the water bag and the water storage tank. 4. The portable brain cooling instrument according to claim 3, wherein the water inlet pipe of the water bag is connected with the water outlet pipe of the water storage tank through the first water pump, and the water outlet pipe of the water bag is connected with the water storage tank through the second water pump connected to the water inlet pipe. 5. The portable brain cooling instrument according to claim 1, wherein the power supply is a DC power supply or an AC power supply, the DC power supply is a battery, the AC power supply is a power adapter, and the power adapter is a voltage regulator for alternating current to direct current .

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