KR100797791B1 - Medical hand piece for stimulating skin using a thermoelectric module - Google Patents

Abstract

A device for hot and cold stimulation of skin through a thermoelectric module is provided to stabilize temperature control, to improve the cooling efficiency, to increase an electric energy applied to the skin more safely, and to maximize skin stimulation effects. A device for hot and cold stimulation of skin includes: a unipolar electrode(50) for generating an electric stimulus signal; a cooling pin(52) combined with the unipolar electrode; thermoelectric modules(54a,54b) for supplying cold air and hot air by turns; cooling blocks(56a,56b) making a surface come in contact with the thermoelectric modules to cool heat generated from the thermoelectric modules; and a circulation hose connection unit(58). A space(60) filled with an insulator is formed between the cooling blocks and the unipolar electrode to prevent a direct thermal conductivity. A temperature sensor(62) measures temperature of the unipolar electrode.

Description

Medical hand piece for stimulating skin using a thermoelectric module}

1 is a side view of a skin cold and hot stimulation apparatus using a thermoelectric element according to a first embodiment of the present invention.

Figure 2 is an exploded perspective view of the skin cold and hot stimulation device shown in FIG.

Figure 3 is a side view of the skin cold stimulation apparatus using a thermoelectric element according to a second embodiment of the present invention.

4 is an exploded perspective view of the skin cold stimulation apparatus shown in FIG.

5 is a side view of a skin cold stimulation apparatus using a thermoelectric element according to a third embodiment of the present invention.

6 is a perspective view of the cold skin stimulation apparatus shown in FIG.

7 is a side view of a skin cold and hot stimulation apparatus using a thermoelectric element according to a fourth embodiment of the present invention.

8 is a perspective view of the skin cold stimulation apparatus shown in FIG.

* Brief description of the main parts of the drawings

10: unipolar electrode 12a, 12b: first, second cooling fin

14a, 14b: 1st, 2nd thermoelectric element 16: Water cooling block

18: circulation hose 20: space part

22: temperature sensor 30a, 30b: first and second bipolar electrodes

32a, 32b: third and fourth cooling fins 34a, 34b: third and fourth thermoelectric elements

36: water cooling block 38: circulation hose

40: space part 42: temperature sensor

50: unipolar electrode 52: cooling fin

54a, 54b: fifth and sixth thermoelectric elements 56a, 56b: first and second water cooling blocks

58: circulation hose connector 60: space

62: temperature sensor 70a, 70b: third, fourth bipolar electrodes

72a, 72b: fifth and sixth cooling fins 74a, 74b: seventh, eighth thermoelectric elements

76: third, fourth water-cooled block 78: circulation hose connector

80: space portion 82: temperature sensor

84: insulator

The present invention relates to an apparatus for stimulating skin cold and skin using a thermoelectric element, and more particularly, by using cooling fins and a water cooling block extending in parallel from the back of a unipolar or bipolar electrode to improve stability and cooling efficiency. In addition, the present invention relates to a skin cold and hot stimulation device using a thermoelectric element that can safely increase the electric energy for skin stimulation by quickly stabilizing an elevated skin temperature due to electrical stimulation such as high frequency, thereby maximizing skin irritation effect.

Electrical stimulation devices use skin cooling devices to reduce the pain generated during electrical stimulation and to protect the skin from excessive heat.

The electrical stimulation device is to attach the so-called handpiece to the skin in close contact with the electrical stimulus and to cool the area to which the electrical stimulation is applied. The electrical stimulation device transmits the electrical stimulation to the living tissue through the medical electrode attached to the skin to And stimulating nerves to gently relax muscles or relieve pain.

Cooling apparatuses used in the skin cooling apparatus include a method of injecting a refrigerant such as liquid nitrogen and a method using a thermoelectric semiconductor.

In the case of a device using a refrigerant such as liquefied nitrogen, the heat generated from the skin during the procedure can be quickly cooled. However, the structure is complicated and it is difficult to miniaturize the equipment by providing a refrigerant tank, a pressure regulator, a spray control device. In addition, there is a limit to continuous use due to the consumable refrigerant.

Skin cooling apparatus using a thermoelectric semiconductor is generally composed of an auxiliary cooling apparatus that directly attaches to the thermoelectric semiconductor and radiates heat of the heat absorbed skin by using a metal body that conducts heat of the skin to the thermoelectric semiconductor as an electrode.

In order to obtain sufficient cooling air for cooling the skin in the skin cooling device using thermoelectric semiconductors, each endothermic amount is parallelized by using a thermoelectric semiconductor having a large heat pump capacity or by using two or more thermoelectric semiconductors having the same endothermic amount. It is using the method to increase.

Such a skin cooling device is disclosed in Korean Utility Model Registration Application No. 20-2006-23940.

However, the above-mentioned prior art has a structure in which the thermo-semiconductor and the electrodes are attached to each other face to face, and thus, in order to obtain sufficient cold air for cooling the skin, it is necessary to increase the size of the thermo-conductor or connect several thermo-conductors in parallel. There is a problem that the volume of the bulky and outgoing weight.

The present invention has been made to solve the above problems, by providing a cooling fin and a water cooling block that extends in parallel and vertically from the back of the unipolar or bipolar electrode, while maintaining the size small appropriately cool air required for skin cooling An object of the present invention is to provide a skin cold and hot stimulation apparatus using a thermoelectric element that can be supplied.

In addition, the present invention by arranging the thermoelectric semiconductor and the cooling fins side by side at regular intervals to improve the stability of the temperature control and cooling efficiency, and to quickly stabilize the skin temperature rapidly increased by electrical stimulation such as high frequency to the electrical energy applied to the skin Another object of the present invention is to provide a skin cold and hot stimulation apparatus using a thermoelectric element that can be more safely raised to maximize the skin irritation effect.

Skin cold stimulation apparatus using a thermoelectric element according to a first embodiment of the present invention for achieving the above object comprises a unipolar electrode for generating an electrical stimulation signal while forming a pad and a closed circuit; Two cooling fins formed in parallel in a plane direction from a rear surface of the unipolar electrode; Two thermoelectric elements each of which is coupled to inner portions of the two cooling fins to supply cold air; A water cooling block performing surface heat exchange with surface contact with the other sides of the two thermoelectric elements; A pumping unit configured to circulate a heat exchange liquid into the water cooling block; A temperature sensor installed on one of the two cooling fins to sense a temperature of the unipolar electrode; And a control unit controlling power supplied to the unipolar electrode, the pumping unit, and the two thermoelectric elements based on the sensed temperature of the temperature sensor.

Here, the two cooling fins are formed integrally with the unipolar electrode.

On the other hand, the skin cold and hot stimulation apparatus using a thermoelectric element according to a second embodiment of the present invention, bipolar electrode for generating an electrical stimulation signal while forming a closed circuit with each other; Two cooling fins each extending in a plane direction from a rear surface of the bipolar electrode; Two thermoelectric elements each of which is coupled to inner portions of the two cooling fins to supply cold air; A water cooling block performing surface heat exchange with surface contact with the other sides of the two thermoelectric elements; A pumping unit configured to circulate a heat exchange liquid into the water cooling block; A temperature sensor installed on one of the two cooling fins to sense a temperature; And a control unit controlling power supplied to the bipolar electrode, the pumping unit, and the two thermoelectric elements based on the sensed temperature of the temperature sensor.

Here, an insulating material is filled between the bipolar electrodes.

On the other hand, the skin cold and hot stimulation apparatus using a thermoelectric element according to a third embodiment of the present invention comprises a unipolar electrode for generating an electrical stimulation signal while forming a pad and a closed circuit; Cooling fins extending in the surface direction from the rear surface of the unipolar electrode; Two thermoelectric elements each of which is coupled to both sides of the cooling fins to supply cold air; Two water cooling blocks which are in surface contact with the other sides of the two thermoelectric elements to perform heat exchange; A pumping unit for circulating a heat exchange liquid into the two water cooling blocks; A temperature sensor installed at the unipolar electrode to sense a temperature; And a control unit controlling power supplied to the unipolar electrode, the pumping unit, and the two thermoelectric elements based on the sensed temperature of the temperature sensor.

Here, the heat conduction auxiliary member is formed on the contact surface between the cooling fins and the two thermoelectric elements.

On the other hand, the skin cold and hot stimulation apparatus using a thermoelectric element according to a fourth embodiment of the present invention, bipolar electrode for generating an electrical stimulation signal while forming a closed circuit with each other; Two cooling fins each extending in a plane direction from a rear surface of the bipolar electrode; Two thermoelectric elements each of which is coupled to one side of the two cooling fins to supply cold air; Two water cooling blocks which are in surface contact with the other sides of the two thermoelectric elements to perform heat exchange; A pumping unit circulating a heat exchange liquid into the two water cooling blocks; A temperature sensor installed at any one of the bipolar electrodes to sense a temperature; And a control unit controlling power supplied to the bipolar electrode, the pumping unit, and the two thermoelectric elements based on the sensed temperature of the temperature sensor.

Here, the insulating member is provided between the two cooling fins and between the bipolar electrode.

And a heat conduction auxiliary member is formed on the contact surface of one cooling fin and one thermoelectric element, the other cooling fin and the other thermoelectric element.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

1 is a side view of a skin cold stimulation device using a thermoelectric element according to a first embodiment of the present invention, Figure 2 is an exploded perspective view of the skin cold stimulation device shown in FIG.

Skin cold stimulation apparatus using a thermoelectric element according to a first embodiment of the present invention is a unipolar electrode 10 and the first and second cooling fins (12a, 12b), the first as shown in Figs. , Second thermoelectric elements 14a and 14b, a water cooling block 16, and a circulation hose 18.

The unipolar electrode 10 generates an electrical stimulation signal by forming a closed circuit with a pad (not shown) in contact with the human body. The unipolar electrode 10 is supplied with electricity to generate a high frequency or low frequency signal to generate skin. To directly stimulate.

The first and second cooling fins 12a and 12b are formed parallel to the surface direction from the rear surface of the unipolar electrode 10.

The first and second cooling fins 12a and 12b are preferably made of the same material so as to have a uniform thermal conductivity with the unipolar electrode 10. More preferably, the first and second cooling fins 12a and 12b are integrally formed with the unipolar electrode 10. It is.

One side of each of the first and second thermoelectric elements 14a and 14b is coupled to an inner side of the first and second cooling fins 12a and 12b to supply cold air. In other words, one side of the first thermoelectric element 14a is coupled to the inner side of the first cooling fin 12a, and one side of the second thermoelectric element 14b is coupled to the inner side of the second cooling fin 14b to form a respective one. The first and second thermoelectric elements 14a and 14b supply cold air to the corresponding first and second cooling fins 12a and 12b.

Meanwhile, the first and second thermoelectric elements 14a and 14b may be configured to supply cold air to the first and second cooling fins 12a and 12b and to supply heat under the control of a controller to be described later. have.

That is, the first and second thermoelectric elements 14a and 14b may be configured to alternately supply cold and heat to the first and second cooling fins 12a and 12b. The polarization of the power supplied to the second thermoelectric elements 14a and 14b can be controlled so as to change the heat absorbing surface and the heat generating surface of the first and second thermoelectric elements 14a and 14b.

Here, the first and second thermoelectric elements 14a and 14b are preferably Peltier elements using a Peltier effect in which heat is absorbed or generated by current.

The water cooling block 16 is formed in surface contact with the other sides of the first and second thermoelectric elements 14a and 14b to perform heat exchange with respect to heat generated from the first and second thermoelectric elements 14a and 14b. It is.

The water cooling block 16 performs heat exchange by supplying and discharging heat exchange liquid through the circulation hose 18. Here, it is preferable that the heat exchange liquid contains an antifreeze liquid having a very low freezing point.

It is preferable to configure a space 20 between the water cooling block 16, the unipolar electrode 10, and the first and second cooling fins 12a and 12b to prevent direct thermal conduction by filling an insulator. .

The temperature sensor 22 is coupled to an outer side of any one of the first cooling fin 12a or the second cooling fin 12b to sense the temperature of the unipolar electrode 10.

The temperature sensor 22 senses the temperature of the unipolar electrode 10 formed integrally with the first cooling fin 12a and transmits it to the controller. Based on the received temperature information, the controller controls the current supplied to the first and second thermoelectric elements 14a and 14b or controls the pumping unit to adjust the temperature according to the temperature of the unipolar electrode 10.

On the other hand, the skin cold and hot stimulation apparatus using a thermoelectric element according to the first embodiment of the present invention includes a pumping unit, a radiator and a control unit although not shown in the drawings.

The pumping section is for circulating a heat exchange liquid into the water cooling block 16. The radiator is for effectively dissipating heat of the heat exchange liquid.

The control unit performs control of each component and the overall system of the skin cold and hot stimulation apparatus according to the first embodiment of the present invention. Specifically, the unipolar is based on the detected temperature of the temperature sensor 22. The power supplied to the electrode 10, the pumping unit, and the first and second thermoelectric elements 14a and 14b is controlled.

In addition, the skin cold and hot stimulation apparatus using the thermoelectric element according to the first embodiment of the present invention can be configured to perform heat exchange using the flow of air.

On the other hand, Figure 3 is a side view of the skin cold and hot stimulation apparatus using a thermoelectric element according to a second embodiment of the present invention, Figure 4 is an exploded perspective view of the skin cold and hot stimulation apparatus shown in FIG.

Skin cold stimulation apparatus according to a second embodiment of the present invention is the first, second bipolar electrodes 30a, 30b and the third, fourth cooling fins (32a, 32b), as shown in Figure 3 and 4, The third and fourth thermoelectric elements 34a and 34b, the water cooling block 36 and the circulation hose 38 are included.

The first and second bipolar electrodes 30a and 30b generate an electrical stimulus signal while forming a closed circuit therebetween, and the first and second bipolar electrodes 30a and 30b are supplied with electricity to receive a high frequency or low frequency signal. To stimulate the skin directly.

The third and fourth cooling fins 32a and 32b are formed in parallel in the plane direction from the rear surfaces of the first and second bipolar electrodes 30a and 30b, respectively.

The third and fourth cooling fins 32a and 32b are preferably made of the same material so as to have a uniform thermal conductivity with the first and second bipolar electrodes 30a and 30b. More preferably, the first and second cooling fins 32a and 32b are made of the same material. 2 bipolar electrodes 30a and 30b are formed integrally with each other.

One side of each of the third and fourth thermoelectric elements 34a and 34b is coupled to an inner side of the third and fourth cooling fins 32a and 32b to supply cold air. That is, one side of the third thermoelectric element 34a is coupled to the inner side of the third cooling fin 32a, and one side of the fourth thermoelectric element 34b is coupled to the inner side of the fourth cooling fin 32b and is formed on each side. The third and fourth thermoelectric elements 34a and 34b supply cold air to the corresponding third and fourth cooling fins 32a and 32b.

The third and fourth thermoelectric elements 34a and 34b may be configured to supply cold air to the third and fourth cooling fins 32a and 32b and to supply heat under the control of a controller to be described later. have.

That is, the third and fourth thermoelectric elements 34a and 34b may be configured to alternately supply cold and heat to the third and fourth cooling fins 32a and 32b. The polarization of the power supplied to the second thermoelectric elements 34a and 34b can be controlled so as to change the heat absorbing surface and the heat generating surface of the third and fourth thermoelectric elements 34a and 34b.

Here, the third and fourth thermoelectric elements 34a and 34b are preferably Peltier elements using a Peltier effect in which heat is absorbed or generated by current.

The water cooling block 36 is formed in surface contact with the other sides of the third and fourth thermoelectric elements 34a and 34b to perform heat exchange with respect to the heat generated by the third and fourth thermoelectric elements 34a and 34b. It is.

The water cooling block 36 performs heat exchange by supplying and discharging the heat exchange liquid through the circulation hose 38. Here, it is preferable that the heat exchange liquid contains an antifreeze liquid having a very low freezing point.

Direct thermal conduction is prevented by filling the insulator with a space 40 between the water cooling block 36, the first and second bipolar electrodes 30a and 30b and the third and fourth cooling fins 32a and 32b. It is preferable to configure so that.

The temperature sensor 42 is coupled to an outer side of either the third cooling fin 32a or the fourth cooling fin 32b to sense the temperature of the first and second bipolar electrodes 30a and 30b. .

The temperature sensor 42 detects the temperature of the first and second bipolar electrodes 30a and 30b integrally formed with the third cooling fin 32a and transmits it to the controller. Based on the received temperature information, the controller controls the current supplied to the third and fourth thermoelectric elements 34a and 34b or controls the pump to adjust the temperature.

On the other hand, the skin cold and hot stimulation apparatus using a thermoelectric element according to a second embodiment of the present invention, although not shown in the drawing includes a pumping unit, a radiator and a control unit.

The pumping section is for circulating a heat exchange liquid into the water cooling block 36. The radiator is for effectively dissipating heat of the heat exchange liquid.

The control unit performs control of each component and the overall system of the skin cold / hot stimulation apparatus according to the second embodiment of the present invention. Specifically, the controller is based on the detected temperature of the temperature sensor 42. The power supply to the second bipolar electrodes 30a and 30b, the pumping unit, and the third and fourth thermoelectric elements 34a and 34b is controlled.

In addition, the skin cold and hot stimulation apparatus using the thermoelectric element according to the second embodiment of the present invention can be configured to perform heat exchange using the flow of air.

5 is a side view of a skin cold stimulation apparatus using a thermoelectric element according to a third embodiment of the present invention, Figure 6 is a perspective view of the skin cold stimulation apparatus shown in FIG.

Skin cold stimulation apparatus using a thermoelectric element according to a third embodiment of the present invention is a unipolar electrode 50 and the cooling fins 52, the fifth, sixth thermoelectric element 54a as shown in Figs. , 54b), first and second water cooling blocks 56a and 56b, and a circulation hose connector 58.

The unipolar electrode 50 generates an electrical stimulation signal while forming a closed circuit with a pad (not shown) in contact with the human body.

The cooling fins 52 are formed integrally with the unipolar electrode 50 and extend in a plane direction from the rear surface of the unipolar electrode 50.

The fifth and sixth thermoelectric elements 54a and 54b are tightly coupled to both side surfaces of the cooling fins 52, respectively, to alternately supply cold and heat under the control of a controller (not shown). Here, the fifth and sixth thermoelectric elements 54a and 54b are preferably Peltier elements.

An auxiliary member such as a grease for improving thermal conductivity may be further configured on the contact surfaces of the cooling fins 52 and the fifth and sixth thermoelectric elements 54a and 54b.

The first and second water cooling blocks 56a and 56b are formed in surface contact with the other side of the fifth and sixth thermoelectric elements 54a and 54b, respectively, in the fifth and sixth thermoelectric elements 54a and 54b. Cool the heat generated.

The first and second water cooling blocks 56a and 56b are connected to a pumping unit (not shown) through a circulation hose connector 58 to circulate heat exchange liquid to perform heat exchange. Here, it is preferable that the heat exchange liquid contains an antifreeze liquid having a very low freezing point.

Direct thermal conduction is prevented by filling the insulator with a space 60 between the first and second water cooling blocks 56a and 56b and the unipolar electrode 50.

The temperature sensor 62 is installed on the unipolar electrode 50 to measure the temperature.

The temperature information measured by the temperature sensor 62 is transmitted to the controller, which controls the current supplied to the fifth and sixth thermoelectric elements 54a and 54b or the pumping unit according to the temperature of the unipolar electrode 50. By controlling the temperature of the unipolar electrode 50 is adjusted.

On the other hand, the cold skin irritation device using the thermoelectric element according to the third embodiment of the present invention further includes a radiator, although not shown in the figure. The radiator is for effectively dissipating heat of the heat exchange liquid.

And the skin cold and hot stimulation apparatus using a thermoelectric element according to a third embodiment of the present invention can be configured to perform heat exchange using the flow of air.

On the other hand, Figure 7 is a side view of the skin cold stimulation apparatus using a thermoelectric element according to a fourth embodiment of the present invention, Figure 8 is a perspective view of the skin cold stimulation apparatus shown in FIG.

Skin cold stimulation apparatus according to a fourth embodiment of the present invention is the third, fourth bipolar electrodes 70a, 70b and the fifth, sixth cooling fins (72a, 72b), as shown in Figure 7 and 8, And seventh and eighth thermoelectric elements 74a and 74b, third and fourth water cooling blocks 76a and 76b, and a circulation hose connector 78.

The third and fourth bipolar electrodes 70a and 70b generate an electrical stimulation signal while forming a closed circuit with each other.

The fifth and sixth cooling fins 72a and 72b are integrally formed with the third and fourth bipolar electrodes 70a and 70b, respectively, from the rear surfaces of the third and fourth bipolar electrodes 70a and 70b. It is formed to extend in parallel in the plane direction.

One side of each of the seventh and eighth thermoelectric elements 74a and 74b is closely coupled to the fifth and sixth cooling fins 72a and 72b, respectively, so that the fifth and eighth thermoelectric elements 74a and 74b are under the control of a controller (not shown). It is configured to supply cold air or hot air to the six cooling fins 72a and 72b. Here, the seventh and eighth thermoelectric elements 74a and 74b are preferably Peltier elements.

An auxiliary member such as a grease for improving thermal conductivity may be further configured on the contact surfaces of the fifth and sixth cooling fins 72a and 72b and the seventh and eighth thermoelectric elements 74a and 74b.

The third and fourth water cooling blocks 76a and 76b are in surface contact with the other side of the seventh and eighth thermoelectric elements 74a and 74b to be generated in the seventh and eighth thermoelectric elements 74a and 74b. To cool the heat. The third and fourth water cooling blocks 76a and 76b are connected to a pumping unit (not shown) through the circulation hose connector 78 to circulate the heat exchange liquid, thereby performing heat exchange. Here, it is preferable that the heat exchange liquid contains an antifreeze liquid having a very low freezing point.

It is preferable that a space portion 80 is provided between the third and fourth water cooling blocks 76a and 76b and the third and fourth bipolar electrodes 70a and 70b to prevent direct thermal conduction by filling the insulator. .

The temperature sensor 82 is installed on either the third bipolar electrode 70a or the fourth bipolar electrode 70b to measure temperature, and based on this, the controller (not shown) controls the seventh and eighth thermoelectric elements. The temperature of the third and fourth bipolar electrodes 70a and 70b is adjusted by controlling the current supplied to the 74a and 74b or by controlling the pumping unit. The radiator may be further configured to effectively release heat included in the heat exchange liquid.

In addition, the skin cold and hot stimulation apparatus using the thermoelectric element according to the fourth embodiment of the present invention can be configured to perform heat exchange using the flow of air.

The present invention as described above, by providing a cooling fin and a water cooling block and the like extending in parallel from the back of the unipolar or bipolar electrode can effectively supply the cold air required for cooling the skin while keeping the size small.

In addition, the present invention by arranging the thermoelectric semiconductor and the cooling fins side by side at regular intervals to improve the stability and cooling efficiency of the temperature control.

In addition, the present invention can quickly increase the electrical energy applied to the skin to stabilize the skin temperature rapidly increased by electrical stimulation such as high frequency during skin stimulation can maximize the skin irritation effect.

In addition, the present invention can prevent burns, convulsions, and the like that are expected when applying electrical energy to the skin.

Claims (9)

delete delete First and second bipolar electrodes generating an electrical stimulation signal while forming a closed circuit with each other; First and second cooling fins extending in a surface direction from the rear surfaces of the first and second bipolar electrodes, respectively; First and second thermoelectric elements each of which is coupled to an inner side of the first and second cooling fins to supply cold air; A water cooling block performing surface heat exchange with surface contact with other sides of the first and second thermoelectric elements; A pumping unit configured to circulate a heat exchange liquid into the water cooling block; A temperature sensor installed at one of the first and second cooling fins to sense a temperature; And And a control unit for controlling the power supplied to the bipolar electrode, the pumping unit, and the first and second thermoelectric elements based on the sensed temperature of the temperature sensor. The method of claim 3, wherein Skin cold and hot stimulation device using a thermoelectric element, characterized in that the insulating material is filled between the first bipolar electrode and the second bipolar electrode. Unipolar electrode for generating an electrical stimulation signal while forming a closed circuit with the pad; Cooling fins extending in the surface direction from the rear surface of the unipolar electrode; First and second thermoelectric elements each of which is coupled to both sides of the cooling fins to supply cold air; First and second water cooling blocks which are in surface contact with other sides of the first and second thermoelectric elements to perform heat exchange; A pumping unit for circulating a heat exchange liquid into the first and second water cooling blocks; A temperature sensor installed at the unipolar electrode to sense a temperature; And And a controller for controlling power supplied to the unipolar electrode, the pumping unit, and the first and second thermoelectric elements based on the sensed temperature of the temperature sensor. The skin cold and hot stimulation apparatus using a thermoelectric element, characterized in that a heat conduction auxiliary member is formed on the contact surface of the cooling fin and the first and second thermoelectric elements. delete First and second bipolar electrodes generating an electrical stimulation signal while forming a closed circuit with each other; First and second cooling fins extending in a surface direction from the rear surfaces of the first and second bipolar electrodes, respectively; First and second thermoelectric elements each of which is coupled to one side of the first and second cooling fins to supply cold air; First and second water cooling blocks which are in surface contact with other sides of the first and second thermoelectric elements to perform heat exchange; A pumping unit configured to circulate a heat exchange liquid into the first and second water cooling blocks; A temperature sensor installed at any one of the first and second bipolar electrodes to sense a temperature; And Skin cold temperature using a thermoelectric element comprising a; control unit for controlling the power supplied to the first, second bipolar electrode and the pumping unit and the first, second thermoelectric element based on the sensed temperature of the temperature sensor Stimulation device. The method of claim 7, wherein The skin cold and hot stimulation apparatus using a thermoelectric element, characterized in that the insulating member is provided between the first and second cooling fins and between the first and second bipolar electrodes. The method according to claim 7 or 8, The skin cold and hot stimulation apparatus using a thermoelectric element, characterized in that the heat conduction auxiliary member is formed on the contact surface of the first cooling fin and the first thermoelectric element, the second cooling fin and the second thermoelectric element.

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