WO2012067384A2 - 피부 치료용 광학장치, 이의 제어방법 및 피부 치료 방법 - Google Patents
피부 치료용 광학장치, 이의 제어방법 및 피부 치료 방법 Download PDFInfo
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- WO2012067384A2 WO2012067384A2 PCT/KR2011/008655 KR2011008655W WO2012067384A2 WO 2012067384 A2 WO2012067384 A2 WO 2012067384A2 KR 2011008655 W KR2011008655 W KR 2011008655W WO 2012067384 A2 WO2012067384 A2 WO 2012067384A2
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- light
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- irradiating
- irradiation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N5/0613—Apparatus adapted for a specific treatment
- A61N5/0616—Skin treatment other than tanning
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B18/203—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser applying laser energy to the outside of the body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
- A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
- A61B2018/00017—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids with gas
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00452—Skin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N2005/002—Cooling systems
- A61N2005/007—Cooling systems for cooling the patient
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N2005/0635—Radiation therapy using light characterised by the body area to be irradiated
- A61N2005/0643—Applicators, probes irradiating specific body areas in close proximity
- A61N2005/0644—Handheld applicators
Definitions
- the present invention relates to an optical device for skin treatment, a control method thereof, and a skin treatment method, and more particularly, to an optical device for skin treatment, a control method and a skin treatment method provided with a cooling system using a cooling gas.
- optical devices for treating skin using various types of electromagnetic waves such as laser beams, flash lamps, RF radio frequency waves, microwaves, and ultrasounds, have been developed.
- the light When the light is irradiated to the skin by using the optical device for treating the skin, light having a specific wavelength penetrates inward and is absorbed into various tissues such as collagen, hair follicle, and hemoglobin located inside the skin according to wavelength characteristics. The absorbed light is converted into thermal energy in the tissue, causing thermal damage to the tissue, thereby changing the state of the tissue.
- tissue such as collagen, hair follicle, and hemoglobin located inside the skin according to wavelength characteristics.
- the absorbed light is converted into thermal energy in the tissue, causing thermal damage to the tissue, thereby changing the state of the tissue.
- the skin surface may be damaged by the heat energy generated during light irradiation, and it is common to cool the skin surface before or during light irradiation.
- a method of cooling the skin by contacting the skin with a thermally conductive member that maintains a low temperature by a coolant or a thermoelectric element, or by cooling a skin by spraying a cryogenic cooling gas onto the skin is mainly used. Therefore, the internal tissue of the skin is treated while the surface of the skin is kept at a low temperature during light irradiation.
- cooling the skin surface causes the capillaries to contract and disappear from the skin surface.
- the lesions disappear temporarily due to a sharp temperature drop. Therefore, it is difficult to treat the lesion by irradiating light at the correct position after cooling the skin.
- the present invention is to provide an optical device for treating the skin and a method of controlling the same that can provide sufficient heat energy to the internal tissue of the skin without damaging the skin.
- an optical device for treating the skin and a method of controlling the same, which can minimize the phenomenon that the lesion temporarily disappears due to the temperature decrease of the skin during skin cooling.
- An object of the present invention described above is a light irradiation unit for irradiating light generated by the light generating unit to a target position of the skin, a cooling unit for cooling the skin surface by spraying a cooling gas to the target position, and the light irradiation unit and the cooling unit And a control unit for controlling driving, wherein the light irradiation unit irradiates the first light to the target position, and after the cooling unit injects the cooling gas to the target position, the light irradiation unit supplies the second light. It can be achieved by the optical device for skin treatment, characterized in that for controlling the light irradiation unit and the cooling unit to irradiate to the target position.
- the energy supplied to the unit area of the target position while irradiating the first light is less than the energy supplied to the unit area of the target position while irradiating the second light.
- the first light is irradiated with less output than the second light.
- the light generating unit may include a light output adjusting unit that may adjust the output of the light, and the controller may be configured to control the light output adjusting unit to adjust the output of the first light and the second light.
- a focusing optical system installed on a traveling path of the light generated by the light generating unit to adjust an irradiation area of the light irradiated to the target position, wherein the controller is configured to irradiate the first light with a wider area than the second light.
- the focusing optical system can be controlled to be irradiated with an area.
- the focusing optical system may include at least one optical member that is installed to be movable along the path of the light, and the optical member may be configured to adjust the irradiation area of the light while moving under the control of the controller.
- the controller may control an irradiation time of the first light and the second light irradiated from the light irradiation unit, and control the first light to be irradiated for a shorter time than the second light.
- at least one shutter is provided on an optical path, and the controller may be configured to control the irradiation time of the first light and the second light by opening and closing the shutter.
- the light generating unit includes a first resonator for generating the first light and a second resonator for generating the second light, wherein the first resonator generates light having a wavelength that is superior to skin penetration than the second resonator.
- the first resonator may be configured to generate light having a wavelength of 1064 nm
- the second resonator may be configured to generate light having a wavelength of 755 nm.
- the controller may control the cooling unit to spray the cooling gas after the light irradiation unit irradiates the first light and waits for a time within 100 ms.
- the cooling unit may inject the cooling gas and control the light irradiation unit to irradiate the second light after waiting for 10 to 100 ms.
- the object of the present invention driving the light generating unit, irradiating the first light to the target position of the skin, injecting the cooling gas stored in the storage medium to the target position, predetermined after the cooling gas injection It may also be achieved by a method of controlling the optical device for treating skin, including the step of waiting for time and driving the light generating unit to irradiate a second light to the target position.
- the energy supplied to the unit area of the target position in the step of irradiating the first light is controlled to be smaller than the energy supplied to the unit area of the target position in the step of irradiating the second light.
- the step of irradiating the first light is controlled to irradiate light having a smaller output than the step of irradiating the second light.
- the method may further include a focusing optical system that adjusts an irradiation area of light generated by the light generating unit, and the irradiating the second light may include a narrower irradiation area than controlling the focused optical system to irradiate the first light. It may be controlled to irradiate the second light.
- the irradiating of the first light may include generating the first light by using the first resonator of the light generator, and irradiating the second light by using the second resonator of the light generator.
- the second resonator may generate light
- the first resonator may be configured to generate light having a wavelength superior to skin permeability than the second resonator.
- the first resonator may generate light having a wavelength of 1064 nm
- the second resonator may generate light having a wavelength of 755 nm.
- a sufficient amount of heat energy can be provided to the internal tissue of the skin without causing damage to the skin surface, thereby improving the effect of skin treatment.
- FIG. 1 is a view showing an optical device for treating skin according to an embodiment of the present invention
- FIG. 2 is a view showing a connection relationship between the main body and the handpiece of FIG.
- FIG. 3 is a view showing the control content of the optical device for skin treatment of FIG.
- 4 to 6 are diagrams showing an example of the configuration of the first light and the second light in FIG.
- FIG. 7 is a graph illustrating a change in temperature of skin when the optical device for treating skin is controlled in the order of FIG. 3.
- FIG. 1 is a view showing an optical device for treating skin according to an embodiment of the present invention
- Figure 2 is a view showing a connection relationship between the main body and the handpiece of FIG.
- the optical device for treating skin according to the present embodiment includes a main body 10, a handpiece 20, and a cable 30 connecting the same.
- the main body 10 includes a power supply unit to receive power from the outside, and on the outer surface of the main body 10, a control panel 11 capable of manipulating the contents of the procedure and a display 12 capable of displaying the same to a user are provided. Is installed.
- the light generating unit 100 for generating light used in skin treatment is provided in the main body 10, and the cooling gas storage unit 310 in which the cooling gas for skin cooling is stored may also be installed in the main body 10. Can be.
- the handpiece 20 is formed in a structure capable of overfishing so that the user can proceed with the procedure while changing the treatment position.
- the light irradiator 200 and the cooling gas injection unit 320 may be installed inside the handpiece 20 to irradiate light to the treatment position and inject the cooling gas.
- an outer surface of the handpiece 20 may be provided with a button-shaped operation unit 21 that allows the user to operate the drive of the handpiece 20.
- the cable 30 connects the handpiece 20 and the main body 10.
- An optical fiber 31 forming an optical path from the light generating unit 100 to the light irradiation unit 200, a cooling passage 32 forming a path through which cooling gas flows, and various signals can be transmitted therein. It may be configured to include a signal line 33.
- the light generator 100 includes at least one resonator 110 or 120.
- Each of the resonators 110 and 120 is provided with laser media 111 and 121, and optical members such as total reflection mirrors 112 and 122, shutters 141 and partial reflection mirrors 113 and 123 at both ends of the laser media. Is installed. Accordingly, the light oscillated from the laser medium by an excitation medium such as a flash lamp (not shown) is amplified while reciprocating inside the resonators 110 and 120 to form laser light.
- an excitation medium such as a flash lamp
- the light generator 100 of the present exemplary embodiment includes a first resonator 110 and a second resonator 120, and each of the resonators 110 and 120 includes a laser medium for generating light having different wavelengths. do.
- optical members such as a shutter 141 for selectively opening and closing the optical path and a splitter 142 for transmitting or reflecting light according to wavelength characteristics are disposed to selectively provide light having two different wavelengths. Can be.
- the light generating unit 100 is configured using two resonators 110 and 120, but this is only an example, and it is also possible to configure the light generating unit using one or three or more resonators. Do.
- a configuration in which a solid state laser is generated using a flash lamp as an excitation medium has been described.
- various configurations that can generate a gas laser or a semiconductor laser may be applied.
- one end of the light generator 100 is connected to the light emitter 200 of the handpiece 20 by a light transmission medium such as the optical fiber 31. Therefore, the light generated by the light generating unit 100 is provided to the light irradiation unit 200 of the handpiece 20 along the light path formed by the optical fiber 31.
- the light irradiation unit 200 includes a focusing optical system 210 made of a plurality of optical members such as a lens 211. Therefore, the light discharged to the end of the optical fiber 31 can be focused and irradiated to the treatment site.
- the cooling unit 300 for cooling the skin during the procedure is configured to include a cooling gas storage unit 310 for storing the cooling gas and a cooling gas injection unit 320 for injecting the cooling gas to the skin.
- the cooling gas storage unit 310 is installed in the main body 10
- the cooling gas injection unit 320 is installed in the handpiece 20, so that the cooling flow path 32 of the cable 30 is located. ) Can be connected.
- the cooling gas may use HFC-134a as an example by using a cryogen gas vaporized at room temperature.
- the cooling gas is stored in the cooling gas storage 310 in a high pressure liquefied state.
- the cooling gas storage unit 310 is configured as a container structure in which a predetermined amount of cooling gas is stored, and may be detachably installed on the outside of the main body 10 so that the cooling gas may be easily replaced (see FIG. 1). .
- the cooling gas storage unit 310 is connected to the cooling passage inside the body 10 when coupled to the body 10.
- an opening / closing member such as a solenoid valve may be provided on the cooling channel, and the cooling gas may be supplied or blocked to the cooling gas injection part 320 according to the operation of the opening / closing member.
- a temperature adjusting member such as a heater (not shown) capable of controlling the temperature of the cooling gas storage 310 may be installed at a portion where the cooling gas storage 310 is installed. Therefore, condensation on the surface of the cooling gas storage unit can be prevented by controlling the temperature of the surface of the storage unit 310 by using the temperature adjusting member.
- the pressure inside the cooling gas storage unit 310 is increased to increase the pressure of the cooling gas. The injection pressure can be adjusted.
- the cooling gas provided from the cooling gas storage unit 310 is provided to the handpiece 20 through the cooling channel 32, and the treatment position of the skin through the cooling gas injection unit 320 of the handpiece 20. Is sprayed on.
- the cooling gas storage unit 310 is configured as a disposable container detachably installed on the main body 10, but the present invention is not limited thereto.
- the cooling gas storage unit 310 may be installed in the main body to be configured to fill the cooling gas, and the cooling gas storage unit 310 may be directly connected to the handpiece 20 instead of the main body 10. It is also possible to configure for installation.
- the optical device for skin treatment includes a control unit 400 for controlling each component.
- the control unit 400 performs operations of each component such as the light generator 100, the light emitter 200, and the cooling unit 300 according to contents input by the user through the control panel 11 or stored in its own memory. Can be controlled.
- Various conditions can be performed by the control of the control unit 400, and the following is a detailed description of the content of the optical device for treating skin according to the present invention.
- FIG. 3 is a view showing the control content of the optical device for skin treatment according to the present invention.
- the optical device for treating the skin has been irradiated with light while the skin is cooled to prevent thermal damage to the skin surface.
- the surface of the skin is cooled, there is a limit in increasing the output of light, and thus sufficient amount of thermal energy cannot be provided to the internal tissue of the skin.
- the optical device for treating skin precedes the step of irradiating the first light to the target position of the skin before cooling the skin surface (S10).
- the skin is preheated to a temperature higher than the normal temperature.
- preheating the skin in a thermally conductive manner in which a hot object is in contact with the skin may be considered, but in this case, the amount of thermal energy provided to the inside of the skin may decrease linearly as it is deeper from the skin surface.
- the skin is preheated by the light irradiation method as in the present embodiment, since the absorption characteristics for each material are different depending on the wavelength of the light, it is possible to preheat the skin deep to the desired position by providing thermal energy to a desired position inside the skin. Do.
- the cooling unit 300 is driven to inject the cooling gas (S20).
- the injected cooling gas intensively cools the skin surface by the heat of vaporization while vaporizing from the skin surface. Therefore, compared to cooling the skin by thermally contacting a low temperature object to the skin surface, the temperature of the skin surface is instantaneously cooled to a cryogenic state of minus 10 ° C. or less, and the internal tissues of the skin absorb the heat energy provided during the first light irradiation. You can keep it.
- the second light is irradiated to the target position (S30).
- the second light may provide thermal energy to the internal tissue of the skin through the cooled skin.
- the internal tissue of the skin has the heat energy supplied during the first light irradiation, a sufficient amount of heat energy necessary for the treatment of the skin together with the heat energy supplied during the second light irradiation is provided.
- control unit 400 controls the light generator 100, the light emitter 200, and the cooling unit 300 to irradiate the first light (S10).
- the spraying of the cooling gas (S20) and the irradiation of the second light (S30) may be sequentially performed.
- the step of irradiating the second light (S30) is performed in a state of cooling the skin surface, whereas the step of irradiating the first light (S10) proceeds without cooling the surface of the skin, If light provides too much heat, it can damage the skin surface.
- the amount of energy provided by the first light to the unit area of the skin while the first light is irradiated is less than the amount of energy provided by the second light to the unit area of the skin while the second light is irradiated. It is preferable to irradiate 1 light and 2nd light. Therefore, it is possible to provide energy such that no burn occurs on the surface of the skin maintaining the normal temperature during the first light irradiation, and to provide a sufficient amount of thermal energy required for skin treatment during the second light irradiation. .
- the step of irradiating the first light and the step of irradiating the second light may be variously implemented by differently adjusting the output of the irradiated light, the irradiated area of the light or the irradiation time of the light, and the like, which will be described in detail below. do.
- the output of the light irradiated through the light irradiator 200 may be differently controlled.
- the light output may be controlled in various ways.
- the light output may be controlled by adjusting the amount of current supplied from the light generator 100 to the flash lamp that excites the laser medium.
- the controller controls the light generator 100 to irradiate the first light at step S10 to irradiate the first light with a relatively small output (for example, 20W, see a in FIG. 4).
- the second light may be irradiated with a larger output (for example, 100W, see b of FIG. 4) when the first light is irradiated.
- a larger output for example, 100W, see b of FIG. 4
- the first light having a relatively small output can provide a smaller amount of thermal energy to the skin surface than the second light.
- the amount of energy transmitted to the skin in the step S10 of irradiating the first light and the step S30 of irradiating the second light may be controlled by adjusting the area to which the light is irradiated in each step.
- the light irradiation unit 200 of the handpiece 20 includes a focusing optical system 210 for focusing and irradiating light transmitted from an optical fiber.
- the focusing optical system 210 may include at least one optical member such as the lens 211, and may control the size of an area to which light is irradiated by changing the position of the optical member constituting the focusing optical system 210.
- the step S10 of irradiating the first light the amount of thermal energy supplied per unit area to the target position can be reduced by irradiating the light with a larger irradiation area than in the step S30 of irradiating the second light (FIG. 5).
- the first light is irradiated with a large irradiation area, the effect of supplying thermal energy to a deep position in the skin can also be seen.
- the controller differently controls at least one condition of the light output, the irradiation area, and the irradiation time during the first and second light irradiations, so that the first light irradiation preheats the skin tissue without damaging the surface of the skin and the second light.
- the cooled skin provides sufficient heat energy.
- the treatment for the skin lesion is mainly progressed by the second light
- the first light mainly serves to preheat the internal tissue of the skin rather than directly treating the skin.
- the light of the same wavelength may be used as the first light and the second light, it is preferable to use light having different wavelengths in consideration of the function of the first light and the second light in each step.
- the light generator of this embodiment includes a first resonator 110 for generating first light and a second resonator 120 for generating second light (see FIG. 2).
- the second resonator 120 is configured to generate light of a wavelength effective for the skin lesion to be treated.
- the first resonator 110 may be configured to generate light having a wavelength that is excellent in skin permeability compared to the second resonator 120, and thus may increase the preheating effect of the skin when the first light is irradiated.
- the first resonator 110 includes a yttrium aluminum garnate with neodymium (Nd: YAG) medium
- the second resonator 120 is configured to include a chrysoberyl crystal with Chromium medium. Therefore, during the first light irradiation, the skin is preheated by irradiating light having a wavelength of 1064 nm having excellent skin permeability generated from the first resonator 110 (see a of FIG. 6), and during the second light irradiation, the second resonator ( Light of 755 nm wavelength generated from 120 may be irradiated to treat skin lesions (see FIG. 6B).
- the optical device for treating skin irradiates the first light for preheating the skin under the control of the control unit 400, sprays the cooling gas, and then supplies the second light for treating the skin lesion. It works to investigate.
- the user may instruct driving to the control unit 400 through the control panel 11 or the control unit 21.
- the control unit 400 sequentially performs the above three steps as a set of operations. Proceed to
- FIG. 7 is a graph illustrating a change in temperature of the skin when the optical device for treating skin is controlled in the order of FIG. 3, and FIG. 7 b illustrates a temperature of the skin surface, and FIG. The temperature is shown.
- FIG. 7 b illustrates a temperature of the skin surface, and FIG. The temperature is shown.
- a first light having a wavelength of 1064 nm is irradiated to the target position of the skin maintaining the normal temperature for t1 hour.
- the first light may be irradiated with an irradiation area of 50 mm 2 or more for a time in a range of 1 ms to 1 s.
- the surface temperature of the target position gradually increases (see FIG. 7B), and the temperature of the internal tissue of the skin also gradually warms up (see FIG. 7C).
- the standby state can be maintained below 10 ⁇ 100ms, it is also possible to set to proceed to the next step without proceeding with the standby state according to the user's judgment.
- a cooling gas is injected to the target position to cool the skin surface.
- the cooling gas injection time t3 may be controlled in a range of 10 ms to 300 ms.
- the surface of the skin at the target position is rapidly cooled below minus 10 DEG C by cooling gas injection (see a in Fig. 7).
- the internal tissue of the skin is not significantly affected by the cooling gas injection and remains preheated to a temperature higher than normal temperature (see b of FIG. 7).
- the second light When the cooling gas is injected, after having a waiting time t4 for 10 ms to 100 ms, the second light is irradiated to the target position.
- the second light has a wavelength of 755 nm and can set light output, irradiation time and irradiation area according to the skin lesion.
- the second light irradiation causes thermal energy to be provided to the skin surface and the tissue inside the skin at the target location to increase the temperature.
- the inside of the target position is additionally supplied with thermal energy in a state of being preheated by the first light, and thus rises to a higher temperature than in the prior art.
- the present invention cools the surface of the skin in the state of preheating the target position by irradiating light and proceeds the treatment through secondary light irradiation, it is desirable to provide sufficient heat energy for treatment without damaging the surface of the skin. It is possible.
- the present invention is not limited thereto.
Abstract
Description
Claims (32)
- 광 발생부에서 발생된 광을 피부의 표적 위치로 조사하는 광 조사부;상기 표적 위치로 냉각 가스를 분사하여 피부 표면을 냉각하는 냉각부; 그리고,상기 광 조사부와 상기 냉각부의 구동을 제어하는 제어부;를 포함하고,상기 제어부는 상기 광 조사부가 제1 광을 상기 표적 위치로 조사하고, 상기 냉각부가 상기 표적 위치로 상기 냉각 가스를 분사한 후, 상기 광 조사부가 제2 광을 상기 표적 위치로 조사하도록 상기 광 조사부 및 상기 냉각부를 제어하는 것을 특징으로 하는 피부 치료용 광학장치.
- 제1항에 있어서,상기 제1 광과 상기 제2 광은 광의 출력, 광의 조사 시간, 광의 조사 면적 그리고 광의 파장 중 적어도 어느 하나가 상이한 것을 특징으로 하는 피부 치료용 광학장치.
- 제2항에 있어서,상기 제1 광을 조사하는 동안 상기 표적 위치의 단위 면적으로 공급되는 에너지는 상기 제2 광을 조사하는 동안 상기 표적 위치의 단위 면적으로 공급되는 에너지 보다 작은 것을 특징으로 하는 피부 치료용 광학장치.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 제1 광은 상기 제2 광보다 적은 출력으로 조사되는 것을 특징으로 하는 치료용 광학 장치
- 제4항에 있어서,상기 광 발생부는 광의 출력을 조절할 수 있는 광 출력 조절부를 구비하고, 상기 제어부는 상기 광 출력 조절부를 제어하여 상기 제1 광 및 상기 제2 광의 출력을 조절하는 것을 특징으로 하는 피부 치료용 광학장치.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 광 발생부에서 발생된 광의 진행 경로 상에 설치되어 상기 표적 위치로 조사되는 광의 조사 면적을 조절하는 집속 광학계를 더 포함하고, 상기 제어부는 상기 제1 광이 상기 제2 광보다 넓은 조사 면적으로 조사되도록 상기 집속 광학계를 제어하는 것을 특징으로 하는 피부 치료용 광학장치.
- 제6항에 있어서,상기 집속광학계는 광의 진행 경로를 따라 이동 가능하게 설치되는 적어도 하나의 광학부재를 구비하고, 상기 광학부재는 상기 제어부의 제어에 의해 이동하면서 광의 조사 면적을 조절하는 것을 특징으로 하는 피부 치료용 광학장치.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 제어부는 상기 광 조사부에서 상기 제1 광 및 상기 제2 광의 조사 시간을 제어하며, 상기 제1 광이 상기 제2 광보다 짧은 시간 동안 조사되게 제어하는 것을 특징으로 하는 피부 치료용 광학장치.
- 제8항에 있어서,상기 광 발생부에서 발생된 광이 진행하는 경로 상에 적어도 하나의 셔터가 설치되며, 상기 제어부는 상기 셔터를 개폐하여 상기 제1 광 및 상기 제2 광의 조사 시간을 제어하는 것을 특징으로 하는 피부 치료용 광학장치.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 광 발생부는 상기 제1 광을 발생시키는 제1 공진기 및 상기 제2 광을 발생시키는 제2 공진기를 포함하고, 상기 제1 공진기는 상기 제2 공진기보다 피부 침투성이 우수한 파장의 광을 발생시키는 것을 특징으로 하는 피부 치료용 광학장치.
- 제10항에 있어서,상기 제1 공진기는 1064nm 파장의 광을 발생시키고, 상기 제2 공진기는 755nm 파장의 광을 발생시키는 것을 특징으로 하는 피부 치료용 광학장치.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 제어부는 상기 광 조사부가 상기 제1 광을 조사하고, 0~100ms 동안 대기한 후 상기 냉각부가 상기 냉각 가스를 분사하도록 제어하는 것을 특징으로 하는 피부 치료용 광학장치.
- 제1항 내지 제3항 중 어느 한 항에 있어서,상기 제어부는 상기 냉각부가 상기 냉각 가스를 분사하고, 10~100ms 동안 대기한 후 상기 광 조사부가 상기 제2 광을 조사하도록 제어하는 것을 특징으로 하는 피부 치료용 광학장치.
- 광 발생부를 구동하여, 피부의 표적 위치로 제1 광을 조사하는 단계;저장매체에 저장된 냉각 가스를 상기 표적위치로 분사하는 단계;상기 냉각 가스 분사 후 소정 시간 동안 대기하는 단계; 그리고,상기 광 발생부를 구동하여, 상기 표적 위치로 제2 광을 조사하는 단계를 포함하는 피부 치료용 광학장치의 제어방법.
- 제14항에 있어서,상기 제1 광과 상기 제2 광은 광의 출력, 광의 조사 시간, 광의 조사 면적 그리고 광의 파장 중 적어도 어느 하나가 상이하도록 제어되는 것을 특징으로 하는 피부 치료용 광학장치의 제어방법
- 제15항에 있어서,상기 제1 광을 조사하는 단계에서 상기 표적 위치의 단위 면적으로 공급되는 에너지는 상기 제2 광을 조사하는 단계에서 상기 표적 위치의 단위 면적으로 공급되는 에너지보다 작은 것을 특징으로 하는 피부 치료용 광학장치의 제어방법.
- 제13항 내지 제15항 중 어느 한 항에 있어서,상기 제1 광을 조사하는 단계는 상기 제2 광을 조사하는 단계보다 작은 출력의 광을 조사하는 것을 특징으로 하는 피부 치료용 광학장치의 제어방법.
- 제13항 내지 제15항 중 어느 한 항에 있어서,상기 피부 치료용 광학장치는 상기 광 발생부에서 발생되는 광의 조사 면적을 조절하는 집속 광학계를 더 포함하고,상기 제2 광을 조사하는 단계는 상기 집속 광학계를 제어하여 상기 제1 광을 조사하는 단계보다 좁은 조사 면적으로 상기 제2 광을 조사하는 것을 특징으로 하는 피부 치료용 광학장치의 제어방법.
- 제18항에 있어서,상기 집속 광학계는 광의 진행 경로를 따라 이동 가능하게 설치되는 적어도 하나의 광학부재를 포함하고, 상기 광학부재를 이동시켜 광의 조사 면적의 크기를 조절하는 것을 특징으로 하는 피부 치료용 광학장치의 제어방법.
- 제13항 내지 제15항 중 어느 한 항에 있어서,상기 제1 광을 조사하는 시간은 상기 제2 광을 조사하는 시간보다 짧은 것을 특징으로 하는 피부 치료용 광학장치의 제어방법.
- 제13항 내지 제15항 중 어느 한 항에 있어서,상기 제1 광을 조사하는 단계는 상기 광 발생부의 제1 공진기를 이용하여 상기 제1 광을 발생시키고, 상기 제2 광을 조사하는 단계는 상기 광 발생부의 제2 공진기를 이용하여 상기 제2 광을 발생시키되, 상기 제1 공진기는 상기 제2 공진기보다 피부 침투성이 우수한 파장의 광을 발생시키는 것을 특징으로 하는 피부 치료용 광학장치의 제어방법.
- 제21항에 있어서,상기 제1 공진기는 1064nm 파장의 광을 발생시키고, 상기 제2 공진기는 755nm 파장의 광을 발생시키는 것을 특징으로 하는 치료용 광학장치의 제어방법.
- 제13항 내지 제15항 중 어느 한 항에 있어서,상기 제1 광을 조사한 후 상기 냉각 가스를 분사하기 전에 100ms 이내의 시간 동안 대기하는 단계를 더 포함하는 것을 특징으로 하는 피부 치료용 광학장치의 제어방법.
- 피부로 제1 광을 조사하여 상기 피부를 예열하는 단계;상기 피부에 냉각 가스를 분사하여 상기 피부의 표면을 냉각시키는 단계;상기 냉각 가스 분사 후 소정 시간 동안 대기하는 단계; 그리고,상기 피부에 제2 광을 조사하여 상기 피부를 치료하는 단계를 포함하는 피부 치료 방법.
- 제24항에 있어서,상기 제1광과 상기 제2광은 광의 출력, 광의 조사 시간, 광의 조사 면적 그리고 광의 파장 중 적어도 어느 하나가 상이한 것을 특징으로 하는 피부 치료 방법.
- 제25항에 있어서,상기 피부를 예열하는 단계에서 상기 피부의 단위 면적으로 공급되는 에너지는 상기 피부를 치료하는 단계에서 상기 피부의 단위 면적으로 공급되는 에너지보다 작은 것을 특징으로 하는 피부 치료 방법.
- 제25항에 있어서,상기 피부를 예열하는 단계는 상기 피부를 치료하는 단계보다 작은 출력의 광을 조사하는 것을 특징으로 하는 피부 치료 방법.
- 제25항에 있어서,상기 피부를 치료하는 단계는 상기 피부를 예열하는 단계보다 좁은 조사 면적으로 광을 조사하는 것을 특징으로 하는 피부 치료 방법.
- 제25항에 있어서,상기 제1 광을 조사하는 시간은 상기 제2 광을 조사하는 시간보다 짧은 것을 특징으로 하는 피부 치료 방법.
- 제24항에 있어서,상기 제1 광은 상기 제2 광보다 피부 침투성이 우수한 것을 특징으로 하는 피부 치료 방법.
- 제30항에 있어서,상기 제1 광은 1064nm의 파장의 광이고, 상기 제2 광은 755nm 파장의 광인 것을 특징으로 하는 피부 치료 방법.
- 제24항에 있어서,상기 제1 광을 조사한 후 상기 냉각 가스를 분사하기 전에 100ms이내의 시간동안 대기하는 단계를 더 포함하는 것을 특징으로 하는 피부 치료 방법.
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- 2011-11-14 WO PCT/KR2011/008655 patent/WO2012067384A2/ko active Application Filing
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KR20120052446A (ko) | 2012-05-24 |
US20130268031A1 (en) | 2013-10-10 |
WO2012067384A3 (ko) | 2012-07-12 |
KR101269970B1 (ko) | 2013-05-31 |
US9821171B2 (en) | 2017-11-21 |
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