WO2017160097A2

WO2017160097A2 - Frozen fat decomposition apparatus and control method therefor

Info

Publication number: WO2017160097A2
Application number: PCT/KR2017/002840
Authority: WO
Inventors: 정성재
Original assignee: (주)클래시스
Priority date: 2016-03-17
Filing date: 2017-03-16
Publication date: 2017-09-21
Also published as: WO2017160097A3; KR101650155B1

Abstract

The present invention relates to a frozen fat decomposition apparatus and a control method therefor. The apparatus according to the present invention comprises: a cooling unit for contacting the skin of a person to be treated; a thermoelectric element having one surface, which is attached to the cooling unit to cool the cooling unit; a heat exchanging unit attached to the other surface of the thermoelectric element and to cool the heat generated in the thermoelectric element; and a control unit for calculating a temperature of the cooling unit on the basis of a counter electromotive force generated in the thermoelectric element. The frozen fat decomposition apparatus according to an embodiment of the present invention can destroy fat cells without damaging a skin so as to solve the obesity problem.

Description

Cryolipolysis unit and its control method

The present invention relates to a lipolysis device, and more particularly, to a freezing lipolysis device for decomposing fat through cooling and a control method thereof.

Obesity is known to cause illness. There are many causes of obesity, but the most influential factor is excess fat in your body. As this fat leads to obesity, the liver, blood vessels, blood is accumulated in the liver, such as symptoms of fatty liver, arteriosclerosis, hyperlipidemia.

There are a variety of surgical methods such as surgery and diet to relieve obesity. However, diets are not easy for people to succeed, and surgical methods are risky.

The non-invasive method of reducing the subcutaneous fat layer or fat tissue introduced to date is to apply heat to the subcutaneous lipid-rich cell region by using radiofrequency rays and light rays. Another method is to induce fat cell necrosis by direct cooling, which selectively destroys fat cells without damaging the epidermis or nerves, ie, apoptosis. There is this. This is called cryolipolysis.

The problem to be solved by the present invention is to provide a frozen lipolysis device that can destroy only fat cells through direct cooling without damaging the skin.

The apparatus according to an embodiment of the present invention for solving this problem is a thermoelectric element which is in contact with the skin of the subject, one surface is attached to the cooling unit to cool the cooling unit, attached to the other surface of the thermoelectric element And a heat exchanger for cooling the heat generated by the thermoelectric element, and a controller configured to calculate a temperature of the cooling unit based on the counter electromotive force generated by the thermoelectric element.

The heat exchange part may circulate a cooling water for cooling the thermoelectric element.

The controller may be configured to measure a voltage in which the counter electromotive force and a driving voltage for driving the thermoelectric element are mixed, measure a temperature of the coolant, and measure the measured voltage based on a correlation between the driving voltage and the counter electromotive force. The counter electromotive force is calculated, the temperature of the other surface of the thermoelectric element is calculated using the measured temperature of the cooling water, and the temperature of the one surface of the thermoelectric element is calculated using the calculated back electromotive force and the temperature of the other surface of the thermoelectric element. It may include a calculation unit for calculating.

The calculation unit may calculate the temperature of the cooling unit by correcting the calculated temperature of one surface of the thermoelectric element through a predetermined algorithm.

The predetermined algorithm may have a variable amount of driving energy of the thermoelectric element or a separation distance between one surface of the thermoelectric element and the skin of the subject.

The controller may further include a driver configured to control a driving voltage for driving the thermoelectric element based on the calculated temperature of the cooling unit and a target temperature of the cooling unit.

In one embodiment of the present invention for solving the above problems, the cooling unit in contact with the skin of the subject, the thermoelectric element is attached to the cooling unit to cool the cooling unit and the other surface of the thermoelectric element is attached to the thermoelectric element The control method of the cryofat decomposition apparatus including a heat exchanger for cooling the generated heat, the method comprising measuring a voltage mixed with the back electromotive force generated in the thermoelectric element and a driving voltage for driving the thermoelectric element, circulating the heat exchange unit Measuring a temperature of the cooling water for cooling the heat generated by the thermoelectric element, calculating the counter electromotive force using the measured voltage based on a correlation between the driving voltage and the counter electromotive force, and calculating the temperature of the measured cooling water. Calculating a temperature of the other surface of the thermoelectric element, and calculating the inverse And a step of calculating a temperature of the thermal element surface by using the electric power and the calculated temperature of the thermoelectric element other surface.

The method may further include calculating a temperature of the cooling unit by correcting the calculated temperature of one surface of the thermoelectric element through a predetermined algorithm.

The method may further include controlling a driving voltage for driving the thermoelectric element based on the corrected temperature of the cooling unit and a target temperature of the cooling unit.

Thus, according to the frozen lipolysis device according to an embodiment of the present invention, it is possible to eliminate obesity by destroying fat cells without damaging the skin.

1 is a schematic diagram of a frozen fat decomposing device according to an embodiment of the present invention.

2 is a view illustrating a state in which the skin of the treatment site is inhaled in the cooling cup of the cryolipolysis device shown in FIG.

3 is a view showing a detailed configuration of the cryofat decomposition device shown in FIG.

FIG. 4 is a flowchart provided to explain the operation of the cryolipolysis device shown in FIG. 1.

* Description of the major symbols in the drawings *

100: main body

110: LCD 120: control unit

130: pressure sensor 140: tank

150: cooling system 160: valve

170: suction pump

200: handpiece

210: cooling cup 220: thermoelectric element

230: heat exchanger

300: cable

The terms or words used in this specification and claims are not to be construed as limiting in their usual or dictionary meanings, and the inventors may appropriately define the concept of terms in order to best explain their invention in the best way possible. It should be interpreted as meaning and concept corresponding to the technical idea of the present invention based on the principle that the present invention.

Therefore, the embodiments described in the specification and the configuration shown in the drawings are only the most preferred embodiments of the present invention and do not represent all of the technical idea of the present invention, various equivalents that may be substituted for them at the time of the present application It should be understood that there may be variations and examples.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention;

FIG. 1 is a schematic diagram of a cryolipolysis device according to an embodiment of the present invention, and FIG. 2 is a diagram illustrating a state in which the skin of a treatment site is inhaled in a cooling cup of the cryolipolysis device shown in FIG. 1.

As shown in Figure 1, the cryofat decomposition apparatus according to an embodiment of the present invention includes a main body 100, the handpiece 200 and a cable 300 connecting them.

The cable 300 includes a water supply pipe, a return pipe, a signal line, a suction pipe, and the like, and connects the main body 100 to the handpiece 200.

As shown in FIG. 2, the treatment area is adsorbed with the cooling cup 210 constituting the handpiece 200 and cooled to a predetermined temperature to destroy the subcutaneous fat. A cryoprotectant may be applied to the treatment area of the subject in advance, and a pad or a film may be attached to maintain adsorption and maintain adsorption.

Specifically, when the cooling cup 210 contacts the treatment site, the main body 100 pulls the skin of the treatment site into the cooling cup 210 by the suction force through the suction tube, and the thermoelectric element attached to the cooling cup 210. A driving voltage is applied to (not shown) to cool the thermoelectric element so as to destroy the fat at the treatment site.

In addition, the main body 100 may supply cooling water to the handpiece 200 through a water supply pipe, and return the cooling water circulated through the handpiece 200 through a return pipe.

On the other hand, the main body 100 may control the cooling cup 210 to a target temperature by calculating the temperature of the cooling cup 210 based on the counter electromotive force generated by the thermoelectric element mounted on the handpiece 200. To this end, the main body 100 may measure a voltage signal in which the counter electromotive force of the thermoelectric element and the driving voltage of the thermoelectric element are mixed from the handpiece 200 through the signal line embedded in the cable 300.

Referring to FIG. 3, the body 100 includes an LCD 110, a controller 120, a pressure sensor 130, a tank 140, a cooling system 150, a valve 160, and a suction pump 170. can do.

The LCD 110 performs a function of displaying an operating state of the cryofat decomposing device. According to an exemplary embodiment, the LCD 110 may be installed together with an input means such as a touch panel (not shown) to implement an operation command from a user.

The suction pump 170 for generating a suction force for adsorbing the treatment site to the cooling cup 210, the valve 160, the tank 140 is connected through the suction pipe, the suction pipe through the valve 140 is branched While being connected to the pressure sensor 130. The pressure sensor 130 detects the pressure of the tank 140 and transmits the pressure to the control unit 120.

The tank 140 stores the cryoprotectant sucked through the suction pipe and buffers the pressure.

The suction pump 170 performs a function of sucking air existing between the cooling cup 210 and the treatment site through the suction pipe.

The valve 160 opens and closes through a suction pipe connecting the suction pump 170 and the tank 140.

The controller 120 controls the operation of the suction pump 170 and the valve 160 based on the pressure sensed by the pressure sensor 130 to generate an appropriate suction force in the cooling cup 210.

The cooling system 150 serves to supply and return cooling water to the handpiece 200.

Cooling water supplied from the cooling system 150 circulates inside the heat exchanger 230 of the handpiece 200 to cool the heat generated by the thermoelectric element 220 by water cooling.

The handpiece 200 may include a cooling cup 210, a thermoelectric element 220, and a heat exchanger 230.

The cooling cup 210 is in the state attached to the treatment site of the subject, when the air inside the suction through the suction tube to the tank 140 to adsorb the treatment site. And the cooling cup 210 may be cooled to a predetermined temperature through the cooling surface of the thermoelectric element 220 to destroy the subcutaneous fat of the treatment site.

The thermoelectric element 220 is implemented as a Peltier effect device, the cooling surface is attached to the cooling cup 210, the heating surface is attached to the heat exchanger 230.

When the driving voltage is applied from the main body 100, the thermoelectric element 220 generates an endothermic phenomenon on the cooling surface to cool the cooling cup 210. In this case, the heat generating surface of the thermoelectric element 220 may be cooled by cooling water circulating in the heat exchanger 230.

The controller 120 may calculate the temperature of the cooling cup 210 based on the counter electromotive force generated by the thermoelectric element, and control the cooling cup 210 to a target temperature.

First, a thermoelectric element, such as a Peltier element, generally has the following characteristics.

[Equation 1]

V = a * (Th-Tc)

Here, V is the counter electromotive force generated in the thermoelectric element, a is the temperature difference-electromotive force proportional constant provided by the thermoelectric element manufacturer, Th is the temperature of the heating surface, Tc is the temperature of the cooling surface.

The detector 121 may measure the voltage Vo through a signal line connected to the thermoelectric element 220. The signal line is composed of two lines (GND, Signal). The signal line can measure the voltage Vo from the thermoelectric element 220 through the signal line, and the driving unit 125 can also measure the thermoelectric element 220 through the signal line. To drive voltage V1. Therefore, the voltage Vo that appears in the signal line is a mixture of the driving voltage V1 for driving the thermoelectric element 220 and the counter electromotive force V issued by the thermoelectric element 220. In addition, the detector 121 may measure or receive a temperature Tw of the coolant through the cooling system 150.

The calculator 123 may calculate the temperature Tc of the cooling surface using the voltage Vo and the coolant temperature Tw provided by the detector 121 as follows.

As described above, the voltage Vo detected by the detector 121 includes a driving voltage V1 for driving the thermoelectric element 220 and a counter electromotive force V issued by the thermoelectric element 220. As shown in Equation 2, the counter electromotive force V may be calculated by calculating a correlation between the thermoelectric element driving voltage V1 and the counter electromotive force V. FIG.

[Equation 2]

V = f1 (V1) -f2 (Vo) + c

f1 and f2 are calculation formulas calculated based on experiment, and c is a calculation factor by experiment.

On the other hand, the heat generating surface temperature Th of the thermoelectric element 220 is adjacent to the heat exchanger 230 may be estimated as the temperature (Tw) of the cooling water passing through the heat exchanger (230).

The heating surface temperature Th may be calculated by Equation 3 below.

[Equation 3]

Th = f3 (Tw) + d

f3 is a calculation formula calculated by experiment, and d is a calculation factor by experiment.

Equations 1 to 3 can be arranged as in Equation 4 by arranging the cooling surface temperature Tc. Therefore, the cooling surface temperature (Tc) can be calculated through Equation 4 below.

[Equation 4]

* Tc = Th-V / a

Tc = f3 (Tw) + d- (f1 (V1) -f2 (Vo) + c) / a

Since the cooling surface of the thermoelectric element 220 is adjacent to the cooling cup 210, the cooling cup temperature Tb may be calculated using the cooling surface temperature Tc. However, the cooling surface temperature (Tc) is different from the cooling cup temperature (Tb) in contact with the skin of the subject by various factors.

The calculation unit 123 may correct the cooling surface temperature Tc through a predetermined algorithm by referring to the state information of the cooling system 150, other collection information, and the state of the thermoelectric element 220, and finally, the cooling cup temperature ( Tb) can be calculated.

Equation 5 below shows a method of calculating the cooling cup temperature Tb by correcting the cooling surface temperature Tc.

[Equation 5]

Tb = f4 (Tc) + Ptec * n + T1

f4 is a calculation formula calculated by the experiment, Ptec is the thermoelectric drive energy amount, n is the correction constant by the experiment, T1 is the distance between the cooling surface and the treatment site of the thermoelectric element 220 and the temperature according to the heat load The correction value can be determined by experiment.

The driving unit 125 substitutes the cooling cup temperature Tb calculated by the calculating unit 123 into a driving control algorithm as shown in Equation 6 below, and the cooling cup temperature Tb is set to the target temperature value Tt. The driving voltage driving the thermoelectric element 220 may be controlled to match.

[Equation 6]

Po = Kp * (Tt-Tb) + Pb

Kp is the experimental proportional constant and Po is the experimental correction factor.

The functions f1 to f4 used in [Equation 2], [Equation 3] and [Equation 5] can be expressed as polynomials, linear, quadratic, or tertiary functions. look-up table) can also be used for calculations by remembering the result of the input.

3 and 4, first, the detector 121 may measure the voltage Vo through a signal line connected to the thermoelectric element 220 (S410). The detector 121 may measure or receive the temperature Tw of the coolant through the cooling system 150 (S420). Steps S410 and S420 may be performed simultaneously or their order may be changed.

Thereafter, the calculator 123 may calculate the temperature Tc of the cooling cup 210 using the voltage Vo and the coolant temperature Tw provided by the detector 121 as follows (S430).

As described above, the voltage Vo detected by the detector 121 includes a driving voltage V1 for driving the thermoelectric element 220 and a counter electromotive force V issued by the thermoelectric element 220. The counter electromotive force V may be calculated by calculating a correlation between the voltage V 1 and the counter electromotive force V (S431).

In addition, the calculator 123 may calculate the heating surface temperature Th of the thermoelectric element 220 from the temperature Tw of the cooling water passing through the heat exchanger 230 (S433).

Next, the calculation unit 123 may calculate the cooling surface temperature Tc using the back EMF V and the heating surface temperature Th calculated in step S431 (S435).

Since the cooling surface of the thermoelectric element 220 is adjacent to the cooling cup 210, the calculation unit 123 may calculate the cooling cup temperature Tb by using the cooling surface temperature Tc calculated in step S435. It may be (S437). In operation S437, the calculation unit 123 cools the cooling surface temperature Tc by a predetermined algorithm by referring to the state information of the cooling system 150, other collection information, and the state of the thermoelectric element 220. The cup temperature Tb can be calculated.

Finally, the driving unit 125 substitutes the cooling cup temperature Tb calculated by the calculator 123 into a predetermined thermoelectric element driving control algorithm so that the cooling cup temperature Tb matches the set target temperature value Tt. The driving voltage for driving the thermoelectric element 220 may be controlled (S440).

Although the cooling unit 210 has been described as a cooling unit for cooling the treatment portion to a predetermined temperature so far, the cooling unit is not limited thereto and may have various forms. For example, the cooling unit may be formed in a flat form. In this case, the suction pump 170 may be omitted, and a separate fixing unit such as, for example, a fixing belt may be provided to fix or adhere the cooling unit to the skin. .

The foregoing detailed description illustrates the present invention. In addition, the foregoing description merely shows and describes preferred embodiments of the present invention, and the present invention can be used in various other combinations, modifications, and environments. That is, changes or modifications may be made within the scope of the concept of the invention disclosed in this specification, the scope equivalent to the disclosed contents, and / or the skill or knowledge in the art. The above-described embodiments are for explaining the best state in carrying out the present invention, the use of other inventions such as the present invention in other state known in the art, and the specific fields of application and uses of the present invention. Various changes are also possible. Thus, the detailed description of the invention is not intended to limit the invention to the disclosed embodiments. Also, the appended claims should be construed to include other embodiments.

Claims

Cooling unit in contact with the skin of the subject,

A thermoelectric element having one surface attached to the cooling unit to cool the cooling unit;

A heat exchanger attached to the other surface of the thermoelectric element to cool the heat generated by the thermoelectric element, and

Control unit for calculating the temperature of the cooling unit based on the back electromotive force generated by the thermoelectric element

Cryo lipolysis device comprising a.
In claim 1,

The heat exchanger is circulated with coolant for cooling the cooling unit,

The control unit,

A detector configured to measure a voltage mixed with the counter electromotive force and a driving voltage for driving the thermoelectric element, and measure a temperature of the coolant;

The counter electromotive force is calculated using the measured voltage based on the correlation between the driving voltage and the counter electromotive force, the temperature of the other surface of the thermoelectric element is calculated using the measured temperature of the coolant, and the calculated counter electromotive force and the A calculation unit for calculating the temperature of one surface of the thermoelectric element using the calculated temperature of the other surface of the thermoelectric element

Cryo lipolysis device comprising a.
In claim 2,

The calculation unit,

Frozen fat decomposition apparatus for calculating the temperature of the cooling unit by correcting the calculated temperature of one surface of the thermoelectric element through a predetermined algorithm.
In claim 3,

The predetermined algorithm is

Cryolipolysis device having a variable distance of the driving energy of the thermoelectric element or the distance between one surface of the thermoelectric element and the skin of the subject as a variable.
In claim 3,

The control unit,

A driving unit controlling a driving voltage for driving the thermoelectric element based on the calculated temperature of the cooling unit and a target temperature of the cooling unit;

Cryo lipolysis device further comprising.
Frozen fat decomposition comprising a cooling unit in contact with the skin of the subject, one surface is attached to the cooling unit and the thermoelectric element to cool the cooling unit and a heat exchanger attached to the other surface of the thermoelectric element to cool the heat generated by the thermoelectric element. In the control method of the device,

Measuring a voltage in which the counter electromotive force and a driving voltage for driving the thermoelectric element are mixed;

Measuring the temperature of the cooling water,

Calculating the counter electromotive force using the measured voltage based on a correlation between the driving voltage and the counter electromotive force;

Calculating a temperature of the other surface of the thermoelectric element by using the measured temperature of the cooling water, and

Calculating a temperature of one surface of the thermoelectric element by using the calculated back electromotive force and the calculated temperature of the other surface of the thermoelectric element

Control method of the frozen fat decomposition apparatus comprising a.
In claim 6,

Computing the calculated temperature of one surface of the thermoelectric element through a predetermined algorithm to calculate the temperature of the cooling unit

The control method of the frozen lipolysis device further comprising.
In claim 7,

The predetermined algorithm is

And a driving distance of the thermoelectric element or a separation distance between one surface of the thermoelectric element and the skin of the subject as a variable.
In claim 8,

Controlling a driving voltage for driving the thermoelectric element based on the calculated temperature of the cooling unit and a target temperature of the cooling unit;

The control method of the frozen lipolysis device further comprising.