KR20160146337A - Raser cooling gas control method for skin treatment and apparatus performing the same - Google Patents

Abstract

TECHNICAL FIELD The present invention relates to a laser cooling gas control technique for skin treatment that can prevent skin burns by spraying cooling gas onto the surface of skin during laser irradiation for skin treatment. The present invention relates to a method for controlling a temperature of a cooling tank by controlling a temperature of a heater provided in the main body, Measuring a pressure corresponding to a temperature of the cooling tank to check whether the pressure of the cooling tank is higher than a preset pressure; And a cooling gas injection step of generating a cooling gas injection signal depending on whether the cooling gas injection switch is opened or closed if the pressure of the cooling tank is higher than a predetermined pressure.

Description

TECHNICAL FIELD [0001] The present invention relates to a laser cooling gas control method for skin treatment, and a laser cooling gas control method for performing the same. [0002]

The present invention relates to a laser cooling gas control technique for skin treatment, and more particularly, to a laser cooling gas control technology for skin treatment that can prevent skin burns by spraying cooling gas onto the skin surface during laser irradiation for skin treatment. And a laser cooling gas control device for performing the same.

In recent years, techniques for treating skin by irradiating light to the skin and modifying or removing the state of the skin tissue have been widely applied. Thus, a laser beam, a flash lamp, an RF radio wave, a microwave, A skin treatment apparatus using various types of electromagnetic waves such as ultrasound has been developed.

When the light is irradiated to the skin, the light penetrates into the inside of the skin while the light having a specific wavelength is absorbed into various tissues such as collagen, hair follicle and hemoglobin located inside the skin according to the wavelength characteristic, It transforms into thermal energy and causes thermal damage to the tissue to change the state of the tissue.

At this time, the skin treatment apparatus may cause damage to the surface of the skin due to heat energy generated during light irradiation, and it is common to cool the surface of the skin before light irradiation or during light irradiation.

However, the skin treatment apparatus has a problem in that it can not partially cool such a skin surface due to the curved and painted portion of the skin surface, thereby causing skin damage.

On the other hand, Korean Patent Registration No. 10-1269970 and Korean Patent Registration No. 10-1300120 disclose the present invention and related arts.

Korean Patent Registration No. 10-1269970 discloses a method of controlling the skin of a patient, comprising a light irradiation unit for irradiating the light generated from the light generation unit to a target position of the skin, a cooling unit for cooling the skin surface by spraying the cooling gas to the target position, Which is capable of providing a sufficient amount of heat energy to the tissue inside the skin without causing damage to the surface of the skin, and a control method thereof.

Korean Patent Registration No. 10-1300120 discloses a method of injecting a cooling gas in order to reduce the pain on a patient's skin treatment area during laser treatment, And a laser treatment apparatus capable of improving laser treatment efficiency by injecting a cooling gas into a skin treatment area of a patient, and a control method of the laser treatment apparatus using the laser treatment apparatus.

However, the above techniques do not describe a control method of the cooling gas tank according to the skin temperature, and there is a problem that it is not known in detail how the cooling gas is injected through the process.

(Document 1) Korean Patent Registration No. 10-1269970 (Feb. (Document 2) Korean Patent Registration No. 10-1300120 (2013.08.20)

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide a laser cooling gas control method for skin treatment that can prevent skin burns by spraying cooling gas onto the surface of skin during laser irradiation for skin treatment. There is a purpose.

Another object of the present invention is to provide a laser cooling gas control method for skin treatment which can more effectively protect the skin tissue by spraying a cooling gas before irradiating the skin with laser and irradiating the laser with a cooling gas again. have.

The present invention has been made in view of the above problems, and it is an object of the present invention to provide an apparatus and method for controlling the same.

According to an aspect of the present invention, there is provided a method for controlling a temperature of a cooling tank, the method comprising: controlling a temperature of a cooling tank by controlling a temperature of a heater provided in the main body; Measuring a pressure corresponding to a temperature of the cooling tank to check whether the pressure of the cooling tank is higher than a preset pressure; And a cooling gas injection step of generating a cooling gas injection signal depending on whether the cooling gas injection switch is opened or closed if the pressure of the cooling tank is higher than a predetermined pressure.

 In the present invention, the cooling tank pressure measuring step may include measuring a pressure of the cooling tank through a pressure sensor connected to the cooling tank, and controlling the temperature of the heater according to the measured pressure of the cooling tank .

In the present invention, it is preferable that the cooling gas injecting step further includes injecting cooling water stored in the cooling tank through the solenoid valve of the handpiece into the skin of the client by the cooling gas according to the cooling gas injection signal.

In the present invention, the cooling gas spraying step irradiates the skin with the laser through the handpiece after the first time when the cooling gas is sprayed onto the skin, and after the laser is irradiated to the skin, And spraying the coolant gas onto the skin through a solenoid valve of the solenoid valve.

Preferably, the cooling gas injection step includes injecting the cooling gas through a cooling gas injection port connected to the solenoid valve at a radius equal to or larger than an irradiation radius of the laser.

In the present invention, the cooling gas spraying step may include measuring the skin temperature of the subject through the non-contact type temperature sensor provided on the handpiece before spraying the cooling water stored in the cooling tank with the cooling gas, ≪ RTI ID = 0.0 > and / or < / RTI >

In the present invention, it is preferable that the cooling gas injection step includes determining whether or not the cooling gas is injected according to a pulse train associated with laser irradiation transmitted from the main body.

In the present invention, the cooling gas injection step may include a step of reducing the injection interval of the cooling gas when the first turn-on time of the pulse string is increased as the skin temperature of the subject is sensed by the non-contact type temperature sensor provided in the handpiece, And injecting the cooling gas by increasing a spraying interval of the cooling gas when the first turn-on time of the pulse train decreases as the skin temperature of the subject is decreased.

In the present invention, the cooling gas injection step reduces the injection speed of the cooling gas when the first turn-off time of the pulse string is reduced at the treatment site requiring high intensity energy among the skin of the recipient, And increasing the injection speed of the cooling gas when the first turn-off time of the pulse train increases at a necessary treatment site.

According to another aspect of the present invention, there is provided a refrigerator including a cooling tank, a heater surrounding the cooling tank, and a pressure sensor for measuring a pressure of the cooling tank, A main body for controlling the pressure of the cooling tank and generating a cooling gas injection signal in accordance with the pressure of the cooling tank; And a non-contact type temperature sensor for measuring the skin temperature of the subject in a non-contact manner, a cooling gas jet opening for jetting cooling water stored in the cooling tank in accordance with the cooling gas jetting signal to the skin of the subject, And a laser irradiating unit for irradiating a laser beam onto the skin of the subject by passing the laser beam.

The laser cooling gas control method for skin treatment according to the present invention provides the following effects.

The present invention has the effect of preventing skin burns by spraying cooling gas onto the skin surface during laser irradiation for skin treatment.

In addition, the present invention has the effect of protecting the skin tissue more effectively by spraying the cooling gas before irradiating the skin with the laser, spraying the cooling gas again after irradiating the laser.

The effects of the present invention are not limited to those mentioned above, and other solutions not mentioned can be clearly understood by those skilled in the art from the following description.

1 is a perspective view showing a laser cooling gas control apparatus for skin treatment according to the present invention.
2 is a schematic view illustrating components related to a pulse train generated in a laser cooling gas control apparatus for skin treatment according to the present invention.
3 is a diagram illustrating a pulse train generated according to a laser pulse control process performed in the laser cooling gas control apparatus for skin treatment according to the present invention.
4 is a schematic view illustrating the main body of the laser cooling gas control apparatus for skin treatment according to the present invention.
5 is a view for explaining the irradiation of the laser and the injection of the cooling gas through the handpiece of the laser cooling gas control device for skin treatment according to the present invention.
6 is a flowchart illustrating a laser cooling gas control process for skin treatment performed in the laser cooling gas control apparatus for skin treatment according to the present invention.

Further objects, features and advantages of the present invention will become more apparent from the following detailed description and the accompanying drawings.

Before describing the present invention in detail, it is to be understood that the present invention is capable of various modifications and various embodiments, and the examples described below and illustrated in the drawings are intended to limit the invention to specific embodiments It is to be understood that the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, the terms "comprises" or "having" and the like refer to the presence of stated features, integers, steps, operations, elements, components, or combinations thereof, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

Also, the terms " part, "" unit," " module, "and the like, which are described in the specification, refer to a unit for processing at least one function or operation, Software. ≪ / RTI >

In the following description of the present invention with reference to the accompanying drawings, the same components are denoted by the same reference numerals regardless of the reference numerals, and redundant explanations thereof will be omitted. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

Hereinafter, a laser cooling gas control technique for skin treatment according to a preferred embodiment of the present invention will be described in detail with reference to FIGS. 1 to 4. FIG.

1 is a perspective view showing a laser cooling gas control apparatus for skin treatment according to the present invention.

As shown in FIG. 1, the laser treatment gas control apparatus 100 for skin treatment includes a main body 110 and a handpiece 120.

The main body 110 includes a cooling tank 111 for storing cooling water, a heater 112 for surrounding the cooling tank 111, and a pressure sensor 113 for measuring the pressure of the cooling tank 111. The main body 110 regulates the pressure of the cooling tank 111 by controlling the temperature of the heater 112 through the temperature / pressure control unit and measures the pressure of the cooling tank 111 through the pressure sensor 113, 111 to generate a cooling gas injection signal.

The cooling tank 111 stores cooling water, and the internal temperature of the cooling tank 111 can be adjusted by the heater 112. When the temperature of the cooling tank 111 is increased by the heater 112, the pressure increases and the cooling water can be pumped through the cooling water pump (not shown). Here, the cooling water can be injected into the cooling gas injection port 122 through the cooling gas piping connected to the solenoid valve 124.

The heater 112 surrounds the cooling tank 111 and can control the temperature of the cooling tank 111 by the temperature / pressure control unit according to the pressure of the cooling tank 111 measured by the pressure sensor 113.

The pressure sensor 113 is connected to the cooling tank 111 to measure the pressure of the cooling tank 111 and to transmit the measured pressure value to the temperature / pressure control unit.

Hereinafter, additional components of the main body 110 will be briefly described.

The main body 110 may further include an irradiation state display unit for displaying information on an irradiation state of the laser through the handpiece 120. [ The irradiation state display unit can visually and audibly provide information on the irradiation state while the laser is irradiated to the skin of the subject so that the operator can recognize the irradiation state of the laser. For example, the irradiation status display unit can be implemented by a LCD (Liquid Crystal Display) touch panel, and can visually and audibly provide the irradiation mode of the laser, the irradiation time, and the irradiation status.

The main body 110 may further include an irradiation state control unit for controlling the irradiation mode, the output time, and the irradiation time of the laser, and a cooling gas control unit for controlling the injection pressure and the injection time of the cooling gas.

The irradiation state control unit may control the output voltage for the laser output according to the irradiation mode, the output time, and the irradiation time set by the practitioner, and may transmit the control signal to the handpiece 120.

The cooling gas control unit may control at least one of the injection pressure and the spraying time of the cooling gas according to the skin temperature of the subject who is measured by the contactless temperature sensor 121 of the handpiece 120. For example, the cooling gas control unit may increase the injection pressure of the cooling gas to spray the cooling gas when the skin temperature of the subject is high, increase the injection time of the cooling gas to spray the cooling gas, So that the cooling gas can be injected by increasing the injection time.

In one embodiment, the cooling gas control unit may determine whether or not the cooling gas is injected along with the pulse train transmitted from the main body 110. A detailed description of the configuration for determining whether or not the cooling gas is injected in accordance with the pulse train will be described below.

The handpiece 120 is gripped by the operator and is connected to the main body 110 to detect a laser irradiation signal and a cooling gas signal received from the main body 110 according to the skin temperature of the subject who is measured by the non- And controls the irradiation of the laser and the injection of the cooling gas based on the injection signal.

Here, the noncontact type temperature sensor 121 can measure the skin temperature of the subject who is pointed by the laser irradiated by the laser irradiation unit 123. In one embodiment, the noncontact type temperature sensor 121 is provided with a temperature sensor (for example, an infrared temperature sensor) capable of measuring the temperature in a noncontact manner, and the temperature of the skin The radiation energy reflected from the skin of the subject can be measured.

Also, the non-contact type temperature sensor 121 can compare the measured skin temperature of the subject and the predetermined allowable temperature to determine whether the subject has a skin abnormality. Specifically, the noncontact type temperature sensor 121 compares the skin temperature of the subject and the predetermined allowable temperature. If the skin temperature of the subject exceeds the predetermined allowable temperature, it is determined that the skin of the subject has an abnormality, Can be known.

The handpiece 120 controls the opening and closing of the solenoid valve 124 according to the cooling gas injection signal generated in the main body 110 and supplies the cooling gas to the cooling tank 111 through the cooling gas injection port 122 connected to the solenoid valve 124 The stored cooling water can be injected with cooling gas.

The handpiece 120 irradiates the laser to the subject's skin through the laser irradiation unit 123 after a first time after the cooling gas is injected and the cooling gas is injected through the cooling gas injection port 122 after the second time It can spray on the skin of the recipient again. That is, the handpiece 120 can sequentially spray and irradiate the cooling gas, the laser, and the cooling gas, and this injection and irradiation can be performed within one second. Here, the first time and the second time may be determined by the cooling gas control unit of the main body 110.

The laser irradiation unit 123 controls the driving of the laser diode according to the pulse wave transmitted from the main body 110 to generate a laser. That is, the laser irradiating unit 123 may transmit a turn-on or turn-off signal to the laser diode according to the pulse wave inputted from the main body 110 so that the laser diode emits light (that is, laser irradiation).

2, the laser-cooling-gas control apparatus 100 for skin treatment operates a syringe driving unit in the main body 110 for irradiating a laser and charges a capacitor bank according to a preset voltage. do. Here, the shimmer driving unit is generally implemented with a simmer used in a circuit to allow a small amount of current to flow, and the capacitor bank can be implemented as a capacitor bank generally used in a circuit, so that electric energy can be accumulated.

Subsequently, the laser treatment gas control device 100 for skin treatment permits the driving of the laser diode in the handpiece 120 during the first turn-on time based on the voltage charged in the capacitor bank, and is shorter than the first turn-on time The driving of the laser diode is cut off during the first turn-off time. Specifically, the laser treatment gas control apparatus 100 for skin treatment transmits a specific signal to the on / off driving unit in the main body 110 and generates a first turn-on time (for example, several hundred the on-off driver is opened to allow driving of the laser diode during the first turn-off time (e.g., ms (microsecond)), The drive unit is closed and the driving of the laser diode can be cut off.

Therefore, the laser irradiation unit 123 can repeatedly perform the first turn-on time and the first turn-off time for a predetermined time to generate a pulse string including a plurality of pulse waves, thereby irradiating the skin of the client.

3, the laser irradiating unit 123 irradiates a laser beam on the first turn-on unit (not shown) under the control of the central control unit (here, the central control unit controls the laser irradiation mode, the output time and the irradiation time) The laser diode irradiates the skin of the subject with the first energy E ₁ through the laser diode turned on during the time t ₁ and the laser diode which is turned on during the second turn on time t ₂ after the lapse of the first turn off time through a second energy (E ₂₎ the n-th energy (E _n) via the laser diode is turned on for the investigation of the laser to the skin of the pisisulja, the n-1 turn-off time has passed after the n-th turn-on time (t _n) by A laser is applied to the skin of the recipient. The pulse sequence thus generated is used to calculate the difference (difference) between the initial energy E ₁ at the initial time t ₁ and the final energy E _n at the final time t _n

t ₁ -

t _n ) is small, so that the amount of energy is decreased according to the procedure time, and the difference in clinical effect between the initial and the final treatment can be reduced.

The pulse train is controlled by the main body 110 so that the first turn-on time and the first turn-off time are adjusted according to the skin temperature value measured by the non-contact type temperature sensor 121 to realize energy conforming to various types of procedure conditions So that the cooling gas control unit can control the spraying state of the cooling gas in accordance with the control of the pulse train, thereby enabling the operation to be performed in accordance with various types of operating conditions.

In one embodiment, the cooling gas control unit reduces the skin temperature by injecting the cooling gas at a specific point in the first turn-on time when the first turn-on time is increased as the skin temperature sensed by the non-contact temperature sensor 121 gradually rises . Here, the cooling gas control section can determine the injection timing of the cooling gas in accordance with the skin temperature.

In one embodiment, the cooling gas control unit reduces the injection rate of the cooling gas when the first turn-off time is reduced at the treatment site requiring high intensity energy among the skin of the recipient, When the turn-off time is increased, the injection rate of the cooling gas is increased and the operation effect can be improved.

That is, the cooling gas control unit can control the injection timing of the cooling gas according to the complex conditions, thereby enabling the operation to be performed in accordance with various types of conditions.

4 is a schematic view illustrating the main body of the laser cooling gas control apparatus for skin treatment according to the present invention.

4, the main body 110 adjusts the temperature of the cooling tank 111 by supplying power to the heater 112 under the control of the temperature / pressure control unit when power is supplied by the practitioner. The main body 110 measures the pressure of the cooling tank 111 through the pressure sensor 113 as the temperature of the cooling tank 111 rises and the pressure value of the cooling tank 111 measured by the pressure sensor 113 And determines whether or not the heater 112 is powered by the control of the temperature / pressure control unit. Here, the temperature / pressure control unit can stop the power supply to the heater 112 if the pressure value of the cooling tank 111 is equal to or higher than a predetermined pressure.

The main body 110 is in a state in which the cooling gas can be injected if the pressure value of the cooling tank 111 is equal to or higher than a preset pressure and the cooling gas injection signal is supplied to the main body 110 when the foot switch 10 So that the cooling water stored in the cooling tank 111 moves along the cooling gas pipe and is injected into the cooling gas through the cooling gas injection port 122 connected to the solenoid valve 124 of the handpiece 120. [

After the first time, the main body 110 generates a laser irradiation signal to cause the laser irradiation unit 123 of the handpiece 120 to irradiate the laser, and after a second time, the cooling gas injection signal is generated again to cool It is possible to control the cooling water stored in the tank 111 to be injected into the cooling gas through the cooling gas injection port 122 of the handpiece 120. [

5 is a view for explaining the irradiation of the laser and the injection of the cooling gas through the handpiece of the laser cooling gas control device for skin treatment according to the present invention.

5, when the laser irradiation switch is pressed by the practitioner in the cooling gas injection enabled state of the cooling tank 111 of the main body 110, the handpiece 120 is rotated The cooling gas 122-1 is injected through the cooling gas injection port 122 onto the skin 1 of the patient. Here, the skin 1 of the physician is instantaneously cooled.

The handpiece 120 irradiates the laser 123-1 to the subject's skin through the laser irradiation unit 123 after the first time after the cooling gas 122-1 is sprayed and the laser 123-1 After the second time, the cooling gas 122-1 is injected again through the cooling gas injection port 122 onto the skin 1 of the person to be inspected, and the skin of the person who has been raised by the irradiation of the laser 123-1 (1). Here, the cooling gas injection, laser irradiation, and cooling gas injection processes correspond to one cycle that can be performed within one second.

6 is a flowchart illustrating a laser cooling gas control process for skin treatment performed in the laser cooling gas control apparatus for skin treatment according to the present invention.

6, the skin treatment laser cooling gas control apparatus 100 controls the temperature of the heater 112 provided in the main body 110 to adjust the temperature of the cooling tank 111 (S610). Here, the laser treatment gas control apparatus 100 for skin treatment can control the temperature of the heater 112 under the control of the temperature / pressure control unit.

The laser treatment gas control apparatus 100 for skin treatment measures the pressure according to the temperature of the cooling tank 111 and checks whether the pressure of the cooling tank 111 is equal to or higher than a predetermined pressure at step S620. The pressure of the cooling tank 111 can be measured through the pressure sensor 113 and the temperature / pressure control unit can control the temperature of the heater 112 based on the pressure value measured at the pressure sensor 113.

When the pressure of the cooling tank 111 is equal to or higher than a predetermined pressure, the laser treatment gas control apparatus 100 for skin treatment generates a cooling gas injection signal according to whether the cooling gas injection switch is opened or closed and injects the cooling gas (S630 and S640 ).

Specifically, the skin treatment laser cooling gas control device 100 controls the cooling gas injection control device 100 in accordance with the cooling gas injection signal to supply the cooling gas to the cooling tank 111 through the cooling gas injection port 122 in accordance with the opening of the solenoid valve 124 of the handpiece 120 The cooling water is injected into the skin of the client and the cooling gas is injected into the skin of the client, the laser is irradiated to the skin of the client through the laser irradiation part 123 of the handpiece 120 after the first time, When the laser is irradiated to the skin, the cooling gas can be sprayed to the skin of the client through the cooling gas injection port 122 according to the opening of the solenoid valve 124 of the handpiece 120 after the second time.

At this time, the laser treatment gas control device 100 for skin treatment is provided with a cooling gas injection port 122 connected to the solenoid valve 124 to cool the skin of the same person as the laser irradiation position with a radius equal to or larger than the irradiation radius of the laser Gas can be injected.

In one embodiment, the laser-cooling-gas control device 100 for skin treatment is configured to control the laser-cooling gas control device 100 for skin treatment through the noncontact temperature sensor 121 provided in the handpiece 120, before spraying the cooling water stored in the cooling tank 111 with the cooling gas. So that at least one of the injection pressure and the injection time of the cooling gas can be controlled. For example, when the skin temperature of the subject is high, the laser-cooling-gas control device 100 for skin treatment may increase the injection pressure of the cooling gas to inject the cooling gas, or increase the injection time of the cooling gas, Or both the injection pressure and the injection time of the cooling gas may be increased so as to inject the cooling gas.

The embodiments and the accompanying drawings described in the present specification are merely illustrative of some of the technical ideas included in the present invention. Therefore, it is to be understood that the embodiments disclosed herein are not for purposes of limiting the technical idea of the present invention, but rather are not intended to limit the scope of the technical idea of the present invention. It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

100: laser cooling gas control device for skin treatment
110:
111: cooling tank 112: heater
113: Pressure sensor
120: Handpiece
121: non-contact type temperature sensor 122: cooling gas nozzle
123: laser irradiation unit
124: Solenoid valve
10: Foot switch
1: skin

Claims (10)

Controlling a temperature of a cooling tank by controlling a temperature of a heater provided in the main body;
Measuring a pressure corresponding to a temperature of the cooling tank to check whether the pressure of the cooling tank is higher than a preset pressure; And
And a cooling gas injection step of generating a cooling gas injection signal in accordance with whether the cooling gas injection switch is opened or closed if the pressure of the cooling tank is equal to or higher than a preset pressure
Method of controlling laser cooling gas for skin treatment.
The method according to claim 1,
The cooling tank pressure measuring step
Measuring the pressure of the cooling tank through a pressure sensor connected to the cooling tank and controlling the temperature of the heater in accordance with the measured pressure of the cooling tank
Method of controlling laser cooling gas for skin treatment.
The method according to claim 1,
The cooling gas injection step
And spraying the cooling water stored in the cooling tank through the solenoid valve of the handpiece to the skin of the recipient with the cooling gas according to the cooling gas injection signal
Method of controlling laser cooling gas for skin treatment.
The method of claim 3,
The cooling gas injection step
Irradiating the skin with a laser through the handpiece after a first time when a cooling gas is injected to the skin,
And spraying the cooling gas onto the skin through a solenoid valve of the handpiece after a second time when the skin is irradiated with a laser
Method of controlling laser cooling gas for skin treatment.
5. The method of claim 4,
The cooling gas injection step
Injecting the cooling gas through a cooling gas injection port connected to the solenoid valve at a radius equal to or greater than an irradiation radius of the laser
Method of controlling laser cooling gas for skin treatment.
The method according to claim 1,
The cooling gas injection step
And controlling at least one of the injection pressure and the injection time of the cooling gas by measuring the skin temperature of the subject through the non-contact type temperature sensor provided on the handpiece before spraying the cooling water stored in the cooling tank with the cooling gas
Method of controlling laser cooling gas for skin treatment.
The method according to claim 1,
The cooling gas injection step
Determining whether the cooling gas is injected according to a pulse train associated with laser irradiation transmitted from the body
Method of controlling laser cooling gas for skin treatment.
8. The method of claim 7,
The cooling gas injection step
When the first turn-on time of the pulse train is increased as the skin temperature of the sensed person increases in the non-contact type temperature sensor provided in the handpiece, the cooling gas is injected by reducing the injection interval of the cooling gas,
And increasing the spraying interval of the cooling gas when the first turn-on time of the pulse train is decreased as the skin temperature of the subject is decreased, thereby spraying the cooling gas
Method of controlling laser cooling gas for skin treatment.
8. The method of claim 7,
The cooling gas injection step
When the first turn-off time of the pulse train is decreased at the treatment site requiring high energy energy among the skin of the recipient, the cooling rate of the cooling gas is decreased, and the first turn-off Increasing the injection rate of the cooling gas as the time increases
Method of controlling laser cooling gas for skin treatment.
A controller for controlling the temperature of the heater to control a pressure of the cooling tank and controlling a pressure of the cooling gas injection signal according to a pressure of the cooling tank, Lt; / RTI > And
A noncontact type temperature sensor for measuring the temperature of the skin of the recipient in a noncontact manner, a cooling gas injection port for injecting the cooling water stored in the cooling tank in accordance with the cooling gas injection signal into the skin of the recipient with a cooling gas, And a laser irradiating unit for irradiating a laser beam to the subject's skin
Laser cooling gas control device for skin treatment.

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