WO2022045778A1 - Dispositif de soins de la peau au plasma - Google Patents

Dispositif de soins de la peau au plasma Download PDF

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Publication number
WO2022045778A1
WO2022045778A1 PCT/KR2021/011389 KR2021011389W WO2022045778A1 WO 2022045778 A1 WO2022045778 A1 WO 2022045778A1 KR 2021011389 W KR2021011389 W KR 2021011389W WO 2022045778 A1 WO2022045778 A1 WO 2022045778A1
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WIPO (PCT)
Prior art keywords
plasma
skin
unit
negative pressure
skin care
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PCT/KR2021/011389
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English (en)
Korean (ko)
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문세연
Original Assignee
전북대학교산학협력단
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Publication of WO2022045778A1 publication Critical patent/WO2022045778A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/44—Applying ionised fluids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • A61M11/006—Sprayers or atomisers specially adapted for therapeutic purposes operated by applying mechanical pressure to the liquid to be sprayed or atomised
    • A61M11/007—Syringe-type or piston-type sprayers or atomisers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M35/00—Devices for applying media, e.g. remedies, on the human body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M35/00—Devices for applying media, e.g. remedies, on the human body
    • A61M35/003—Portable hand-held applicators having means for dispensing or spreading integral media
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M35/00—Devices for applying media, e.g. remedies, on the human body
    • A61M35/30—Gas therapy for therapeutic treatment of the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/08—Arrangements or circuits for monitoring, protecting, controlling or indicating
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/2406—Generating plasma using dielectric barrier discharges, i.e. with a dielectric interposed between the electrodes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/4697—Generating plasma using glow discharges
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H2245/00—Applications of plasma devices
    • H05H2245/10—Treatment of gases
    • H05H2245/15—Ambient air; Ozonisers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H2245/00—Applications of plasma devices
    • H05H2245/30—Medical applications
    • H05H2245/34—Skin treatments, e.g. disinfection or wound treatment
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H2277/00—Applications of particle accelerators
    • H05H2277/10—Medical devices

Definitions

  • the present invention relates to a skin care device, and more particularly, to a plasma skin care device for performing skin care by applying plasma to the skin.
  • a skin care device is a device based on chemicals such as liquid cosmetics or pharmaceuticals, and is used for skin care or skin treatment purposes.
  • chemicals such as liquid cosmetics or pharmaceuticals
  • skin treatment it is difficult to treat in a short time in the form of spraying or applying a liquid or cream drug to the diseased area using a drug containing a sterilizing ability against specific bacteria, and may feel a sense of heterogeneity.
  • cosmetics are not absorbed well after applying them to the skin, or they are easily blown into the air as an alcoholic liquid, so that the effect is greatly reduced.
  • Lasers and LEDs are basically for the purpose of skin care by generating a specific wavelength of light, and there is no sense of heterogeneity in existing liquid or cream drugs.
  • the generation of light with a short wavelength such as UV is required.
  • UV which has excellent sterilization ability, it can be absorbed into the atmosphere and generate ozone, and side effects have been reported for long-term treatment of patients or children receiving immunosuppressive drugs according to UV light irradiation.
  • Plasma skin care devices utilize the characteristics of plasma to effectively absorb cosmetics, improve wrinkles, maintain skin elasticity, improve skin troubles such as atopy, and improve collagen formation.
  • the existing plasma skin care device since the existing plasma skin care device generates plasma by ionizing the air present in the atmosphere, a high voltage is basically required for air discharge. For this reason, the existing plasma skin care device mainly generates a streamer discharge in which a locally minute plasma is instantaneously and multiplely formed.
  • This streamer generates a large amount of ozone by accelerating the reaction of oxygen and nitrogen in the surrounding air due to high electron density and electron temperature due to local plasma generation and high current flow for a short moment.
  • Instantaneous streamers have high current density and can cause electrical and thermal damage due to instantaneous temperature rise. And since it is difficult to manage the entire skin evenly for multiple streamers at the micrometer level, it is necessary to process the entire skin that requires management for a relatively long time.
  • an object of the present invention is to provide a plasma skin care device capable of reducing the skin care time by suppressing ozone and streamer generation, and generating plasma uniformly and widely.
  • Another object of the present invention is to provide a plasma skin care device capable of minimizing power consumption and providing electrical and thermal stability to the human body due to low plasma temperature.
  • the present invention is in contact with the skin to form a space therein, the head portion in which a negative pressure region is formed in the space; a plasma generating unit connected to the head unit and configured to manage skin exposed to the negative pressure area by generating soft glow plasma in the negative pressure area through the head unit; and a control unit that forms a negative pressure region inside the head unit when the head unit contacts the skin, and generates soft glow plasma in the negative pressure region with the plasma generating unit.
  • the pump is connected to the head portion, for sucking air in the space of the head portion; further includes.
  • the control unit may form the negative pressure region by sucking air in the space with the pump.
  • the sound pressure in the sound pressure region is 500 ⁇ sound pressure (Torr) ⁇ 760.
  • the pump may include an ozone filter that filters ozone that is sucked together in the process of sucking air in the space of the head part.
  • the plasma generator generates soft glow plasma by applying a voltage of 1 to 20 kV having a frequency of 60 Hz to 1 MHz.
  • the plasma generating unit includes a divided electrode unit having a dual structure for generating soft glow plasma through surface dielectric barrier discharge (SDBD).
  • SDBD surface dielectric barrier discharge
  • a plurality of fluid paths through which a fluid can be introduced and discharged are formed between the electrode part having the dual structure and between the electrode part having the dual structure and the head part.
  • the plasma generator generates soft glow plasma based on the air present in the negative pressure region.
  • the plasma skin care device may further include an inert gas supply unit for supplying helium or argon gas through the fluid passage under the control of the controller to the negative pressure region in which the soft glow plasma is generated.
  • the plasma skin care device may further include a chemical supply unit for supplying a chemical agent including a medicine or cosmetics to the negative pressure region in which the soft glow plasma is generated through the fluid passage under the control of the controller. there is.
  • the plasma skin care device may further include a skin contact detection sensor installed at a portion of the head portion in contact with the skin to detect whether the skin is in contact.
  • the control unit drives the plasma generator when skin contact is detected by the skin contact detection sensor, and stops driving of the plasma generator when skin contact is not detected by the skin contact detection sensor.
  • the head unit is detachably connected, the plasma generating unit and the control unit are built-in the body portion used as a handle; and an input unit installed in the main body, receiving a user's selection signal and transmitting it to the control unit.
  • the plasma skin care device is built in the main body, by the operation of the input unit, the power supply for supplying power to the plasma generating unit and the control unit; further includes.
  • the plasma skin care device can safely and effectively perform skin care by generating soft glow plasma in a negative pressure region lower than atmospheric pressure. For this reason, the plasma skin care device according to the present invention suppresses ozone and streamer generation, and generates soft glow plasma uniformly and widely, thereby reducing skin care time.
  • Plasma skin care device forms a space in the head in contact with the skin and generates a negative pressure in the space to form a negative pressure region, thereby suppressing the generation of a streamer and distributing soft soft glow plasma widely in the negative pressure region Therefore, the effective plasma effect can be evenly applied to the skin.
  • the plasma skin care device since the head part contacts the skin to form a negative pressure region, external air is momentarily blocked, thereby suppressing continuous ozone generation. Since the plasma skin care device according to the present invention suppresses the generation of streamers, there is an advantage in fundamentally suppressing ozone generation.
  • the plasma skin care device according to the present invention can provide a liquid or gaseous chemical applicable for skin care or treatment to the negative pressure region, the skin care or treatment effect can be further improved.
  • the plasma skin care device is capable of attaching and detaching an ampoule containing chemicals
  • various types of ampoules can be selected and used according to the purpose of skin care or treatment. For this reason, secondary skin improvement or treatment is possible through ampoule injection, and various ampoules can be selected according to the skin condition.
  • the plasma skin care device according to the present invention can make the skin hydrophilic when skin care is performed by applying plasma to the skin. For this reason, the plasma skin care device according to the present invention can also be used for clean skin care such as removing makeup. In other words, when a cleanser is used as an ampoule on the skin that has been made hydrophilic through plasma treatment, absorption increases, so existing cosmetics can be removed cleanly when washing the face.
  • FIG. 1 is a block diagram showing a plasma skin care device according to an embodiment of the present invention.
  • FIG. 2 is a view showing the plasma skin care device of FIG. 1 .
  • 3 and 4 are views showing the plasma generator and the head of FIG. 2 .
  • FIG. 5 is a photograph showing a state in which soft glow plasma is formed in the head part of the plasma skin care device of FIG. 2 .
  • FIG. 6 to 8 are views showing skin care results using a plasma skin care device according to an embodiment of the present invention.
  • FIG. 7 is a graph showing the degree of sterilization of E. coli over time when irradiated with ultraviolet rays according to a comparative example and when irradiated with soft glow plasma according to an embodiment of the present invention
  • FIG. 1 is a block diagram showing a plasma skin care device according to an embodiment of the present invention.
  • the plasma skin care device 100 includes a head unit 10 , a plasma generating unit 50 , and a control unit 90 .
  • the head 10 is in contact with the skin S to form a space therein, and a negative pressure region is formed in the space.
  • the plasma generating unit 50 is connected to the head unit 10 and generates soft glow plasma in the negative pressure region through the head unit 10 to manage the skin S exposed to the negative pressure region. carry out
  • the control unit 90 forms a negative pressure region inside the head unit 10 , and generates soft glow plasma in the negative pressure region with the plasma generating unit 50 .
  • the plasma skin care device 100 further includes a body part 20 to which the head part 10 is detachably connected.
  • the main body 20 includes a plasma generating unit 50 and a control unit 90 and is used as a handle. That is, the user uses the soft glow plasma generated by the plasma generating unit 50 while moving the head unit 10 in a state in which the head unit 10 is in contact with the skin S while holding the body unit 20 by hand. Skin care can be performed.
  • the plasma skin care device 100 includes an input unit 30 , a storage unit 40 , a skin contact detection sensor 13 , a pump 60 , an inert gas supply unit 71 , and a chemical supply unit 73 . ) and a power supply unit 80 may be further included.
  • the input unit 30, the storage unit 40, the skin contact detection sensor 13, the pump 60, the inert gas supply unit 71, the chemical supply unit 73, and the power supply unit 80 are the body unit 20 can be installed on
  • FIG. 2 is a view showing the plasma skin care device 100 of FIG. 1 .
  • 3 and 4 are views showing the plasma generating unit 50 and the head unit 10 of FIG. 2 .
  • the main body 20 is a part used as a handle by a user, and may be implemented in a bar shape that can be easily handled by the user while holding the hand.
  • the plasma generating unit 50 is positioned at the front end of the body unit 20 to which the head unit 10 is coupled.
  • the head part 10 is detachably coupled to the front end of the body part 20 , and forms a space 11 between the head part 10 and the plasma generator 50 . That is, the head portion 10 has an open shape on both sides, and forms a space 11 therein.
  • One opening of the head portion 10 is detachably coupled to the front end of the body portion 20, and the other opening opposite to the one opening is in contact with the skin (S).
  • the space 11 of the head part 10 is formed as a negative pressure region.
  • the head part 10 may be formed so that one side and the other open part have the same inner diameter.
  • the head part 10 may have a narrow inner diameter of the other opening part compared to the one opening part.
  • the head 10 of FIG. 3 may apply plasma to the skin S wider than the head 10 of FIG. 4 .
  • a user can use the head unit 10 by replacing it as needed.
  • the head portion 10 an example in which the inner diameter of the other open portion is equal to or smaller than the inner diameter of the one open portion is disclosed, but is not limited thereto.
  • the head 10 may be formed so that the inner diameter of the other open portion is larger than the inner diameter of the one open portion.
  • the material of the head portion 10 may be made of a material such as natural rubber or silicone that can be in soft contact with the skin S, but is not limited thereto.
  • the skin contact detection sensor 13 is installed on a portion of the head unit 10 in contact with the skin S, detects whether the skin is in contact, and outputs it to the control unit 90 .
  • the skin contact detection sensor 13 may be installed in the other open portion of the head unit 10 .
  • the control unit 90 drives the plasma generating unit 50 when the skin contact detection sensor 13 detects skin contact, and when the skin contact detection sensor 13 does not detect the skin contact, the plasma generating unit 50 operation can be stopped.
  • the input unit 30 receives a user's selection signal for operating the plasma skin care device 100 , and transmits the received user's selection signal to the control unit 90 .
  • the user may turn on/off the plasma skin care device 100 with a selection signal through the input unit 30 .
  • the user may adjust plasma generation time, plasma intensity, skin care pattern, and the like through the input unit 30 .
  • a pointing device such as a jog dial, a button, a keypad, a touch pad, or an input device such as a touch screen may be used.
  • the input unit 30 may be installed at a position of the main body 20 that can be manipulated with a thumb or index finger while the user holds the main body 20 by hand.
  • the storage unit 40 stores a program necessary for controlling the operation of the plasma skin care device 100 and information generated during the execution of the program.
  • the storage unit 40 stores an execution program necessary for plasma skin care. That is, the execution program is an execution program that controls the on/off of plasma generation according to plasma generation time, intensity, and whether skin contact is detected.
  • the storage unit 40 may store a skin care pattern required for plasma skin care.
  • the skin care pattern includes information on plasma generation time and intensity.
  • the skin care pattern may include N steps (N is a natural number equal to or greater than 1), sequential steps, continuous steps, random steps, and the like.
  • Step N may be a step in which plasma intensity increases or time increases as the step increases.
  • the sequential step means proceeding in the order from step 1 to step N or vice versa.
  • Continuous step means that the plasma intensity continuously increases or decreases with the passage of time.
  • random step means that steps 1 to N are performed randomly.
  • the pump 60 is connected to the head unit 10 and sucks air in the space 11 of the head unit 10 to form a negative pressure region.
  • the control unit 90 sucks air in the space 11 with the pump 60 to form a negative pressure region.
  • the sound pressure in the sound pressure region may be 500 ⁇ sound pressure (Torr) ⁇ 760. That is, the negative pressure is the pressure of the information that the head portion 10 in contact with the skin (S) slightly pulls the skin (S) through the space (11). Even when negative pressure is generated in the space 11 of the head 10 , the skin S portion located in the space 11 of the head 10 is constant with the plasma generating unit 50 exposed to the head 10 . keep spacing
  • the pump 60 includes an ozone filter 61 that filters ozone that is sucked together in the process of sucking air in the space 11 of the head part 10 .
  • the pump 60 discharges the ozone-filtered air through the ozone filter 61 to the outside through the exhaust port 63 .
  • the exhaust port 63 may be formed at the rear end opposite to the front end of the body portion 20 to which the head portion 10 is coupled.
  • the pimp since the pimp includes the ozone filter 61, it is possible to discharge harmful ozone generated from the existing air plasma by lowering it to 0.05 ppm or less, the World Health Organization permissible standard.
  • the plasma generating unit 50 generates the soft glow plasma 52 in the negative pressure region formed in the space 11 of the head unit 10 .
  • the plasma generator 50 generates a soft glow plasma 52 by applying a voltage of 1 to 20 kV having a frequency of 60 Hz to 1 MHz.
  • the plasma generating unit 50 applies the voltage in the form of a pulse, thereby minimizing power consumption and providing electrical and thermal stability to the human body due to a low plasma temperature.
  • the plasma generating unit 50 includes an electrode unit 51 having a divided dual structure that generates a soft glow plasma 52 through surface dielectric barrier discharge (SDBD).
  • SDBD surface dielectric barrier discharge
  • a plurality of fluid paths 59 through which a fluid can be introduced and discharged are formed between the electrode part 51 having the dual structure and between the electrode part 51 and the head part 10 having the dual structure.
  • the pump 60 may suck air in the space 11 of the head part 10 through at least one of the plurality of fluid paths 59 .
  • the inert gas supply unit 71 and the chemical supply unit 73 supply an inert gas and a chemical to the space 11 of the head unit 10 through at least one of the plurality of fluid paths 59 .
  • the pump 60 , the inert gas supply unit 71 , and the chemical supply unit 73 may be connected to the fluid path 59 through a connecting pipe, respectively.
  • the pump 60 sucks the fluid in the negative pressure region through the fluid path 59 , but the inert gas supply unit 71 and the chemical supply unit 73 pump the inert gas and chemicals through the fluid path 59 into the negative pressure region.
  • the fluid path 59 to which the pump 60 is connected is separated from the fluid path 59 to which the inert gas supply unit 71 and the chemical supply unit 73 are connected.
  • the electrode part 51 having this double structure includes a ground electrode part 53 and a power electrode part 56, and is spaced apart from each other by a predetermined interval.
  • the ground electrode part 53 includes a ground electrode 54 and a first dielectric 55 surrounding the ground electrode 54 .
  • the power electrode part 56 includes a power electrode 57 and a second dielectric 58 surrounding the power electrode 57 .
  • the ground electrode part 53 and the power electrode part 56 are disposed to face each other, and the first and second dielectrics 55 and 58 are disposed close to each other.
  • a voltage of 1 to 20 kV having a frequency of 60 Hz to 1 MHz is applied to the power electrode 57 , so that the plasma generating unit 50 is located in the space 11 of the head unit 10 .
  • a soft glow plasma 52 is generated based on the air present.
  • a space 11 in which a gas (air, helium, argon, etc.) exists is formed between the skin S and the head 10, and when the formed space 11 is formed in a low vacuum state of negative pressure, plasma is generated
  • the unit 50 electrically ionizes the gas in the negative pressure region to generate a soft glow plasma 52 containing various radicals represented by light having various wavelengths and active oxygen to perform effective skin care or treatment. .
  • the plasma generator 50 is electrically and thermally safe by showing a low current of 2 mA/m 2 and a low temperature of 40 degrees or less, which is the World Health Organization limit.
  • the plasma generating unit 50 exhibits a sterilization ability more than 10 times faster than that of a conventional UV lamp. Since the soft glow plasma 52 contains light, it is possible to penetrate the skin according to the wavelength of the light, and it can be basically used for management and treatment of the skin surface in contact with the soft glow plasma 52 .
  • the head portion 10 in contact with the skin S forms a space 11 using a flexible material, and is formed as a negative pressure region, thereby suppressing the generation of a streamer. Since the soft glow plasma 52 is widely distributed in the local region in the negative pressure region, the plasma effect can be uniformly applied to the skin S located in the negative pressure region.
  • the head unit 10 forms a negative pressure region with the skin S in contact with the skin S to momentarily block external air, continuous ozone generation is suppressed, and since it is not a streamer generation, ozone generation can be fundamentally suppressed. .
  • the inert gas supply unit 71 may supply helium or argon gas to the negative pressure region where the soft glow plasma 52 is generated through the fluid path 59 under the control of the control unit 90 . Skin care can be more effectively performed using light and radicals included in the soft glow plasma 52 generated based on helium or argon gas.
  • the inert gas supply unit 71 may be provided in the body unit 20 to be replaced in the form of an ampoule. Alternatively, the inert gas supply unit 71 may be provided in the body portion 20 in the form of a tank, and the inert gas may be filled in the tank.
  • the chemical supply unit 73 may supply a chemical including a medicine or cosmetics to the negative pressure region in which the soft glow plasma 52 is generated through the fluid path 59 under the control of the control unit 90 . Since the chemical agent can be directly supplied to the negative pressure region where the soft glow plasma 52 is generated, skin care can be performed more effectively.
  • the chemical supply unit 73 may be provided in the body unit 20 to be replaced in the form of an ampoule. Alternatively, the chemical supply unit 73 may be provided in the form of a tank in the main body 20 and may fill the tank with chemicals. Chemicals may be in liquid or gaseous form.
  • the plasma skin care device 100 since the plasma skin care device 100 according to the present embodiment includes the chemical agent supply unit 73, it is possible to eliminate the inconvenience of supplying a separate chemical agent as in the prior art.
  • the power supply unit 80 is built into the body unit 20 , and supplies power to the plasma generating unit 50 and the control unit 90 by manipulation of the input unit 30 .
  • the power supply unit 80 may be a rechargeable battery or a disposable battery capable of charging and discharging.
  • the power supply unit 80 built into the main body 20 may be installed in the main body 20 to be replaceable as needed.
  • the present embodiment discloses a form in which the power supply unit 80 is built-in to the body unit 20, it is not limited thereto.
  • the power supply unit may include a power cable through which external power can be supplied. That is, the main body 20 may be supplied with external power using a power cable.
  • control unit 90 is a microprocessor (microprocessor) that performs the overall control operation of the plasma skin care device (100).
  • the controller 90 may control skin care using plasma as follows.
  • the control unit 90 suctions the air in the space 11 of the head unit 10 with the pump 60 to reduce the negative pressure region. to form The control unit 90 generates the soft glow plasma 52 through the surface dielectric barrier discharge based on the air present in the negative area as the plasma generating unit 50 . The generated soft glow plasma 52 is applied to the skin S exposed to the space 11 of the head 10 to perform skin care.
  • the control unit 90 applies helium or argon gas through the fluid path 59 to the negative pressure region where the soft glow plasma 52 is generated, if necessary.
  • the plasma generating unit 50 may generate plasma based on the supplied helium or argon gas and apply it to the skin S.
  • the control unit 90 supplies the medicine or cosmetics through the fluid path 59 to the negative pressure region where the soft glow plasma 52 is generated as needed. It can be applied to the skin (S).
  • control unit 90 controls the pump 60 and the plasma generator 50 in operation. ) to stop the drive. And the control unit 90 may stop the supply of the inert gas through the inert gas supply unit 71 and the supply of the chemical through the chemical supply unit 73 .
  • the plasma skin care device 100 may perform skin care with the soft glow plasma 52 generated at negative pressure.
  • the plasma skin care device 100 according to this embodiment can manage the skin S in a short time, so it can be used for medical purposes or skin care purposes.
  • light having various wavelengths and reactive oxygen species (ROS) are generated from the soft glow plasma 52 generated for dry skin care, so that sterilization and sterilization are possible. It can be used for the purposes of sexual treatment of the skin (S), healing of inflammation, and skin regeneration.
  • ROS reactive oxygen species
  • the plasma skin care device 100 is not a high-voltage streamer-type atmospheric plasma formed in an open space, but is lower than the atmospheric pressure of 500 to 760 Torr, but a high-pressure level of negative pressure is formed in the soft space 11 ), since the soft glow plasma 52 is used, there is no fear of ozone generation, electrical damage by the streamer, or damage by high heat.
  • the plasma skin care device 100 since the plasma skin care device 100 according to the present embodiment is implemented in a form that can be handled by hand, the user can use it while carrying it.
  • the plasma skin care device 100 according to the present invention controls the size of the head part 10, and the area in contact with the skin S, the size of the space 11 where the negative pressure is formed, and the soft glow plasma 52 Since the size of the skin can be changed, skin care can be performed on a large area or a local area at a time as needed.
  • FIG. 5 is a photograph showing a state in which the soft glow plasma 52 is formed in the head 10 of the plasma skin care device 100 of FIG. 2 .
  • the soft glow plasma 52 is formed in the negative pressure region of the head 10 .
  • the soft glow plasma 52 is formed as a purple ring.
  • FIGS. 6 to 8 are diagrams showing skin care results using the plasma skin care device 100 according to an embodiment of the present invention.
  • FIG. 6 is a photograph showing the bacteria present in the skin before and after plasma treatment of three test subjects.
  • bacteria present on the skin before and after plasma treatment were observed for three test subjects.
  • FIG. 7 is a graph showing the degree of sterilization of E. coli according to time when irradiated with ultraviolet rays according to a comparative example and when irradiated with soft glow plasma according to an embodiment of the present invention.
  • the color change of cosmetics applied to the skin before and after plasma treatment was measured using a colorimeter expressed as L, a*, b* values.
  • L value represents the brightness
  • a* value represents the red (+)-green (-)
  • b* value represents the blue (+)-yellow (-) size.
  • the surface of the PDMS film having hydrophobic properties was subjected to plasma treatment for 3 seconds with the plasma skin treatment device according to the present embodiment.
  • the plasma treatment has a hydrophobic property as shown in (a) of FIG.
  • the skin when skin is managed with the plasma skin care device 100 according to the present embodiment, it is possible to make the skin hydrophilic. Therefore, it can be used for clean skin care such as removing makeup using the plasma skin care device 100 according to the present embodiment. That is, before removing makeup, the skin is hydrophilized through plasma treatment with the plasma skin care device 100 according to the present embodiment, and then the cleanser is provided from the chemical supply unit 73 to the hydrophilized skin, thereby improving the skin absorption of the cleanser. can increase After washing, cosmetics, etc. can be removed cleanly from the skin.
  • control unit 100 plasma skin care device

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  • Biomedical Technology (AREA)
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  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Spectroscopy & Molecular Physics (AREA)
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  • Electrotherapy Devices (AREA)
  • Plasma Technology (AREA)

Abstract

La présente invention concerne un dispositif de soin de la peau au plasma pour supprimer la génération d'ozone et de courant et réduire le temps de soin de la peau en générant uniformément et largement du plasma. Le dispositif de soins de la peau au plasma selon la présente invention comprend une partie de tête, une partie de génération de plasma, et une partie de commande. La partie de tête est en contact avec la peau pour former un espace interne, et une région de pression négative est formée dans cet espace. La partie de génération de plasma est reliée à la partie de tête, et effectue des soins sur la peau exposée à la région de pression négative en générant un plasma faiblement luminescent dans la région de pression négative par le biais de la partie de tête. En outre, la partie de commande forme la région de pression négative à l'intérieur de la partie de tête lorsque cette dernière entre en contact avec la peau, et génère le plasma faiblement luminescent dans la région de pression négative au moyen de la partie de génération de plasma.
PCT/KR2021/011389 2020-08-27 2021-08-25 Dispositif de soins de la peau au plasma WO2022045778A1 (fr)

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