WO2022168489A1 - 光照射式脱毛装置 - Google Patents
光照射式脱毛装置 Download PDFInfo
- Publication number
- WO2022168489A1 WO2022168489A1 PCT/JP2021/048146 JP2021048146W WO2022168489A1 WO 2022168489 A1 WO2022168489 A1 WO 2022168489A1 JP 2021048146 W JP2021048146 W JP 2021048146W WO 2022168489 A1 WO2022168489 A1 WO 2022168489A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- skin
- light source
- hair removal
- removal device
- Prior art date
Links
- 230000035617 depilation Effects 0.000 title abstract description 4
- 238000001816 cooling Methods 0.000 claims abstract description 160
- 238000003825 pressing Methods 0.000 claims abstract description 44
- 210000004209 hair Anatomy 0.000 claims description 98
- 238000002834 transmittance Methods 0.000 claims description 7
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 4
- 229910003460 diamond Inorganic materials 0.000 claims description 4
- 239000010432 diamond Substances 0.000 claims description 4
- 210000003491 skin Anatomy 0.000 description 207
- 230000000694 effects Effects 0.000 description 14
- 230000005855 radiation Effects 0.000 description 12
- XUMBMVFBXHLACL-UHFFFAOYSA-N Melanin Chemical compound O=C1C(=O)C(C2=CNC3=C(C(C(=O)C4=C32)=O)C)=C2C4=CNC2=C1C XUMBMVFBXHLACL-UHFFFAOYSA-N 0.000 description 8
- 230000001678 irradiating effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000000758 substrate Substances 0.000 description 6
- 201000004624 Dermatitis Diseases 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 206010040880 Skin irritation Diseases 0.000 description 4
- 230000036556 skin irritation Effects 0.000 description 4
- 231100000475 skin irritation Toxicity 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 210000003780 hair follicle Anatomy 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 206010061218 Inflammation Diseases 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000011231 conductive filler Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 230000004054 inflammatory process Effects 0.000 description 2
- 230000007794 irritation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002951 depilatory effect Effects 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
- A61B2018/00476—Hair follicles
-
- 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
- A61B2018/1807—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 light other than laser radiation
-
- 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
-
- 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
-
- 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
- A61N2005/065—Light sources therefor
- A61N2005/0651—Diodes
- A61N2005/0652—Arrays of diodes
Definitions
- the present disclosure relates to a light irradiation type hair removal device.
- a light irradiation type hair removal device that removes hair by irradiating light.
- a light irradiation type hair removal device irradiates a user's skin surface with light having a specific wavelength and causes the light to act on melanin in hair follicles, thereby promoting hair removal.
- a light irradiation type hair removal device for example, a device as disclosed in Patent Document 1 is known.
- Patent Document 1 discloses a light irradiation type having a light source for making processing light and detection light incident on an object, a photodetector for detecting the detection light for detecting the object, and a control unit for controlling the light source.
- a hair removal device is disclosed.
- the control unit determines the absorption of the sensing light from the detected sensing light and controls the light source such that the processing light is generated dependent on the determined absorption.
- the processing light has a wavelength in the range 570-1200 nm, an energy density in the range 2-30 J/cm 2 and a pulse duration within 1-600 ms.
- the application of light is controlled depending on the characteristics of the object irradiated with light.
- light may be irradiated even when the light irradiation type hair removal device and the object are partially separated. For example, even if the part where the photodetector is provided is in contact with the object and the part where the light source is provided on the opposite side of the photodetector is away from the object. There is a risk of exposure to light. In this case, a large amount of light leaks from between the light irradiation type hair removal device and the object, and the leaked light may enter the user's eyes.
- the application of light is controlled depending on the characteristics of the object, but if the object is irradiated with processing light with high irradiation energy, there is a risk of skin inflammation. be.
- the present disclosure provides a light irradiation type hair removal device capable of suppressing light leakage or skin inflammation.
- a light irradiation hair removal device includes a light source, a skin cooling unit, and a push switch.
- the light source emits light having a wavelength of 400 nm or more and 1200 nm or less.
- the skin cooling part faces the light source, transmits light emitted from the light source, and cools the skin when it comes into contact with the skin.
- the push switch includes a pressing portion that surrounds the light source and skin cooling portion. The pressing part protrudes in the direction opposite to the light source with respect to the skin cooling part from the surface of the skin cooling part that contacts the skin when not pressed. When the pressing part is pressed, the surface pressed by the skin moves toward the light source with respect to the skin cooling part.
- the push switch emits light from the light source at least part of the time while the pressing portion is pressed, and emits light from the light source while the pressing portion is not pressed. and non-irradiation.
- FIG. 2 is a cross-sectional view taken along line II-II of FIG. 1; It is a perspective view showing an example of a rough arrangement state of a light source concerning this embodiment. It is a control block diagram concerning a control part. It is a sectional view showing an example of the state before use of a light irradiation type hair removal device.
- FIG. 3 is a cross-sectional view showing an example of the state of the light irradiation type hair removal device before the push switch is pressed.
- FIG. 10 is a cross-sectional view showing an example of the state of the light irradiation type hair removal device after the push switch is pressed.
- FIG. 3 is a cross-sectional view showing an example of a state in which the light irradiation type hair removal device is irradiating the skin with light.
- the vertical direction Z of the light irradiation type hair removal device 1 is defined with the exit opening facing upward and the direction opposite to the exit opening facing downward.
- one horizontal direction of the light irradiation type hair removal device 1 is defined as a width direction Y, and a vertical direction Z and a direction orthogonal to the width direction Y is defined as a front-back direction X for description.
- FIG. 1 A light irradiation type hair removal device 1 according to the present embodiment will be described below with reference to FIGS. 1 to 8.
- FIG. 1 A light irradiation type hair removal device 1 according to the present embodiment will be described below with reference to FIGS. 1 to 8.
- FIG. 1 A light irradiation type hair removal device 1 according to the present embodiment will be described below with reference to FIGS. 1 to 8.
- FIG. 1 A light irradiation type hair removal device 1 according to the present embodiment will be described below with reference to FIGS. 1 to 8.
- FIG. 1 is a cross-sectional view showing the configuration of a light irradiation type hair removal device 1 according to this embodiment
- FIG. 2 is a cross-sectional view taken along line II-II of FIG.
- the light irradiation type hair removal device 1 includes a housing 5, a light source 10, a temperature sensor 13, a skin cooling section 20, a push switch 30, a cooler 40, and a control section 50.
- One end of the housing 5 is provided with an opening serving as a light exit port of the light irradiation type hair removal device 1 .
- a light source 10 is provided in the opening of the housing 5 to irradiate the human skin S with light.
- a bottom portion is formed on the opposite side of the housing 5 from the light source 10 .
- the housing 5 is provided with a plurality of first openings 6 and a plurality of second openings 7 , and external air is taken in through the plurality of first openings 6 and out through the plurality of second openings 7 . Ejected.
- a light source 10 , a temperature sensor 13 , a skin cooling section 20 , a push switch 30 , a cooler 40 and a control section 50 are housed inside the housing 5 .
- FIG. 3 is a perspective view showing an example of a schematic arrangement state of the light source 10 according to this embodiment. Note that FIG. 3 omits some configurations of the temperature sensor 13, the skin cooling unit 20, the push switch 30, and the cooler 40. As shown in FIG. As shown in FIGS. 1 to 3, in this embodiment, the light source 10 includes a plurality of LEDs (Light Emitting Diodes). The LEDs are mounted on the substrate 12 so as to be spaced apart at approximately equal intervals. The light source 10 is electrically connected to a power source (not shown), and light is emitted from the light source 10 when power is supplied from the power source.
- a power source not shown
- the light source 10 emits light having a wavelength of 400 nm or more and 1200 nm or less.
- the wavelength of light may be 500 nm or more, 600 nm or more, 700 nm or more, or 800 nm or more.
- the wavelength of the light may be 1000 nm or less, or 900 nm or less.
- the light emitted from the light source 10 may be light having a peak wavelength within the range of 400 nm or more and 1200 nm or less.
- the irradiated light may contain wavelength components outside the above range.
- each of the LEDs does not need to have the same wavelength spectrum, and LEDs emitting light with different wavelength spectrums may be used in combination.
- the above wavelength is the wavelength of the light emitted when the temperature of the light source 10 is 25°C.
- the light source 10 preferably emits light under the condition that the irradiance is 15 W/cm 2 or more and 50 W/cm 2 or less.
- the irradiance is 15 W/cm 2 or more and 50 W/cm 2 or less.
- the irradiance may be 20 W/cm 2 or more, 25 W/cm 2 or more, or 30 W/cm 2 or more.
- the irradiance may be 45 W/cm 2 or less, or may be 40 W/cm 2 or less.
- the light emitted from the light source 10 is pulsed light that is intermittently emitted.
- the light source 10 preferably emits light intermittently under the condition that the irradiation time is 500 ms or more and 1000 ms or less.
- the irradiation time is 500 ms or more and 1000 ms or less.
- the energy of each pulsed light emitted from the light source 10 is preferably 9 J/cm 2 or more and 50 J/cm 2 or less.
- the energy is 9 J/cm 2 or more, a high depilation effect can be obtained.
- the light irradiation type hair removal device 1 having the skin cooling unit 20 if the energy is 50 J/cm 2 or less, it is possible to suppress an increase in skin temperature due to light irradiation. Therefore, the skin S is cooled more reliably, and skin irritation can be reduced.
- the skin cooling part 20 is arranged at a position facing the light source 10 .
- Skin cooling unit 20 may be in contact with light source 10 or may be spaced apart from light source 10 .
- the skin cooling part 20 is provided so as to come into contact with the skin S on the side opposite to the light source 10 .
- the skin cooling part 20 is made of a translucent material. When light is emitted from the light source 10 , the skin cooling part 20 transmits the light emitted from the light source 10 , and the skin S is irradiated with the light that has passed through the skin cooling part 20 .
- the skin cooling part 20 is, for example, a translucent plate, and in this embodiment, a disk-shaped skin cooling part 20 is used.
- the skin cooling part 20 is preferably made of a material that does not easily absorb the light emitted from the light source 10 .
- the skin cooling portion 20 preferably has a total light transmittance of 80% or more. When the total light transmittance is 80% or more, most of the light emitted from the light source 10 can pass through the skin cooling part 20 . Therefore, a large amount of light can reach melanin, and the hair removal effect can be promoted. Moreover, since the amount of light absorbed by the skin cooling unit 20 and converted into heat can be reduced, the temperature rise of the skin cooling unit 20 can be suppressed.
- the total light transmittance is more preferably 90% or more, even more preferably 95% or more, and particularly preferably 99% or more.
- the upper limit of the total light transmittance is 100%.
- Total light transmittance can be measured according to JIS K7361-1:1997.
- the refractive index of the skin cooling part 20 is preferably 1.7 or more.
- the refractive index of skin cooling portion 20 is 1.7 or more, light from light source 10 is less likely to be absorbed by skin cooling portion 20 .
- the skin cooling portion 20 is more likely to transmit light as the refractive index value increases. Therefore, the refractive index is more preferably 1.8 or more, even more preferably 1.9 or more, and particularly preferably 2.0 or more.
- the upper limit of the refractive index is not particularly limited, it may be 10.
- the refractive index can be measured by the minimum deflection angle method according to JIS B7071-1:2015.
- the skin cooling unit 20 cools the skin S when it comes into contact with the skin S.
- the skin cooling portion 20 preferably contains a material with high thermal conductivity. It is preferable that the skin cooling part 20 has a thermal conductivity of 1 W/mK or more. When the thermal conductivity is 1 W/mK or more, even if the skin cooling part 20 is heated by the light from the light source 10 and the skin S, heat is easily dissipated, so the skin S can be effectively cooled. . As the thermal conductivity value increases, the thermal conductivity of the skin cooling portion 20 tends to increase, and the cooling effect of the skin cooling portion 20 tends to increase.
- the thermal conductivity of the skin cooling part 20 is more preferably 2 W/mK or more, more preferably 10 W/mK or more, and particularly preferably 30 W/mK or more. , 100 W/mK or more.
- the upper limit of thermal conductivity is not particularly limited, but may be 100000 W/mK.
- Thermal conductivity can be measured by a laser flash method according to JIS R1611:2010.
- the skin cooling unit 20 may contain an inorganic substance.
- the skin cooling portion 20 preferably contains at least one selected from the group consisting of Al 2 O 3 , ZnO, ZrO 2 , MgO, GaN, AlN and diamond. These materials have a high refractive index and high thermal conductivity, and thus can improve the translucency and thermal conductivity of the skin cooling portion 20 .
- Al 2 O 3 (sapphire) has a refractive index of 1.79 and a thermal conductivity of 42 W/mK.
- ZnO has a refractive index of 2.01 and a thermal conductivity of 20 W/mK.
- ZrO 2 has a refractive index of 2.13 and a thermal conductivity of 3 W/mK.
- MgO has a refractive index of 1.74 and a thermal conductivity of 47 W/mK.
- GaN has a refractive index of 2.346 and a thermal conductivity of 200 W/mK.
- AlN has a refractive index of 2.175 and a thermal conductivity of 150 W/mK.
- Diamond has a refractive index of 2.417 and a thermal conductivity of 1000 W/mK.
- the skin cooling part 20 may contain resin such as silicone resin from the viewpoint of heat resistance and translucency. Moreover, the skin cooling part 20 may contain a resin such as a silicone resin and a highly thermally conductive filler dispersed in the resin. Since the skin cooling part 20 contains the high thermal conductive filler, the heat of the skin cooling part 20 is easily dissipated, so that the skin S can be effectively cooled.
- the high thermal conductivity filler may contain inorganic substances as described above.
- the ratio of the inorganic substance in the skin cooling part 20 is preferably 10% by mass or more. By setting the ratio of the inorganic substance in the skin cooling part 20 to 10% by mass or more, the thermal conductivity of the skin cooling part 20 can be improved.
- the ratio of the inorganic substance in the skin cooling part 20 is more preferably 30% by mass or more, more preferably 50% by mass or more, particularly preferably 70% by mass or more, and 90% by mass or more. is most preferred.
- the skin cooling unit 20 is preferably cooled to -5°C or higher and 35°C or lower. By cooling the skin cooling unit 20 to ⁇ 5° C. or higher, the skin S can be cooled so that pain in the skin S due to cooling is less likely to occur. On the other hand, by cooling the skin cooling unit 20 to 35° C. or less, it is possible to suppress inflammation caused by the rise in skin temperature during light irradiation.
- the skin cooling unit 20 is preferably cooled to 0° C. or higher, more preferably 5° C. or higher, and particularly preferably 10° C. or higher.
- the skin cooling part 20 is preferably cooled to 30° C. or lower, more preferably 25° C. or lower, particularly preferably 20° C. or lower, and most preferably 15° C. or lower.
- the temperature sensor 13 detects the temperature of the skin cooling unit 20. By detecting the temperature of the skin cooling unit 20, the temperature of the skin cooling unit 20 can be precisely controlled. Temperature sensor 13 is provided so as to face skin cooling unit 20 . Specifically, the temperature sensor 13 is provided on the substrate 12 . In this embodiment, the temperature sensor 13 includes a contact temperature sensor. Contact-type temperature sensors include thermistors, thermocouples, and resistance temperature detectors.
- the push switch 30 is a self-recovery type switch.
- the push switch 30 is provided at the connection portion 42 of the cooler 40 .
- the push switch 30 is arranged outside the light source 10 and the skin cooling section 20 in the front-rear direction X and the width direction Y, and is provided so as to surround the light source 10 and the skin cooling section 20 .
- the push switch 30 includes two bases 31 and a pressing portion 32 .
- the two bases 31 are fixed to the connecting part 42 outside the holding part 43 of the cooler 40 so that the light source 10 and the skin cooling part 20 are arranged between them in the width direction Y.
- the base portion 31 has a quadrangular prism shape extending upward from the connecting portion 42 .
- the pressing part 32 is engaged with the base part 31 and moves in the vertical direction Z by being pressed by the skin S.
- the pressing portion 32 surrounds the light source 10 and the skin cooling portion 20 .
- the pressing portion 32 includes two first parts 321 and one second part 322 .
- the first component 321 has a columnar shape extending upward in the vertical direction Z from the base 31, and is provided substantially at the center of the base 31 in the front-rear direction X and width direction Y, respectively.
- the second part 322 is arranged so as to be in contact with the surface of the first part 321 opposite to the base 31 .
- the second component 322 has a through-hole in the center in the front-rear direction X and width direction Y, and has a donut shape extending in the up-down direction Z. As shown in FIG.
- the light source 10 and the skin cooling part 20 are arranged in the through hole of the second part 322 .
- a part of the surface of the second part 322 protrudes upward in the up-down direction Z from the surface of the skin cooling part 20 opposite to the light source 10 .
- the first part 321 and the second part 322 are separated and different parts, but the pressing part 32 may be formed by one part that is continuously and integrally formed.
- the numbers of the base portion 31, the first part 321 and the second part 322 are not particularly limited, and can be changed as appropriate.
- the pressing part 32 When the pressing part 32 is not pressed, the pressing part 32 faces the direction opposite to the light source 10 with respect to the skin cooling part 20 with respect to the surface of the skin cooling part 20 that contacts the skin S (the upward direction in the vertical direction Z). sticking out.
- a contact point (not shown) is provided inside the base portion 31 and the pressing portion 32 , and while the pressing portion 32 is not pressed, the contact point of the base portion 31 and the contact point of the pressing portion 32 are not in contact with each other, and the light source 10
- the push switch 30 is configured to open the circuit to which is connected.
- the pressing portion 32 when the pressing portion 32 is pressed, the surface pressed by the skin S moves toward the light source 10 (downward in the vertical direction Z) with respect to the skin cooling portion 20 . Therefore, the contact provided on the base portion 31 and the contact provided on the pressing portion 32 contact each other to close the circuit to which the light source 10 is connected.
- An elastic body (not shown) is provided between the base portion 31 and the pressing portion 32 .
- the elastic body is elastically deformed when the pressing portion 32 is pressed, and pushes back the pressing portion 32 by the elastic force generated by the elastic deformation. Therefore, when the force pressing the pressing portion 32 is removed, the elastic body acts on the pressing portion 32 so as to return the pressing portion 32 to its original position. moves in the opposite direction (upward in the vertical direction Z).
- the push switch 30 is configured such that light is emitted from the light source 10 at least part of the time while the pressing portion 32 is being pressed, and light is not emitted from the light source 10 while the pressing portion 32 is not being pressed. Light irradiation and non-irradiation by the light source 10 are switched. Therefore, the skin S is irradiated with light at least part of the time while the light irradiation type hair removal device 1 is pressed against the skin S, and when the light irradiation type hair removal device 1 is separated from the skin S, the light irradiation stops. configured to be
- the light may be emitted immediately after the push switch 30 is pressed, or may be emitted after a predetermined time has elapsed since the push switch 30 was pressed.
- the timing at which light is emitted from the light source 10 may be controlled by the controller 50 .
- the light irradiation type hair removal device 1 may irradiate light from the light source 10 after the skin S contacts the surface of the skin cooling unit 20 . As a result, the light is applied while the skin surface is cooled. Therefore, since heat generation of the skin S is suppressed, irritation to the skin S can be suppressed. In addition, since the light is irradiated while the skin S is in contact with the skin cooling unit 20, irradiation unevenness can be suppressed, and a stable hair removal effect can be obtained.
- the cooler 40 cools the skin cooling unit 20 . Since the light irradiation type hair removal device 1 includes the cooler 40, the temperature of the skin cooling unit 20 can be lowered. Therefore, the skin cooling effect of the skin cooling unit 20 can be further improved. Cooler 40 includes a radiator 41 and a blower 45 .
- the heat radiation part 41 is connected to the skin cooling part 20 and radiates the heat taken from the skin cooling part 20 .
- the heat dissipation portion 41 includes a connection portion 42 , a grip portion 43 and heat dissipation fins 44 .
- connection part 42 is a plate-like member.
- the substrate 12 is provided on the first surface, which is one surface of the connecting portion 42 .
- the substrate 12 is smaller than the connecting portion 42 and is provided so as to be accommodated inside the connecting portion 42 .
- the holding portion 43 and the push switch 30 are connected to the outside of the substrate 12 on the first surface of the connecting portion 42 .
- Radiation fins 44 are provided on the second surface of the connecting portion 42 opposite to the first surface.
- the gripping portion 43 protrudes upward in the vertical direction Z from the first surface of the connecting portion 42 and grips the entire peripheral edge of the skin cooling portion 20 .
- the light source 10 is thus surrounded by the skin cooling portion 20 , the grip portion 43 and the connecting portion 42 .
- the heat generated by the light source 10 is dissipated via the skin cooling section 20 and the heat dissipating section 41 of the cooler 40 .
- gripping portion 43 grips the entire peripheral edge of skin cooling portion 20
- gripping portion 43 may be connected to at least a portion of skin cooling portion 20 .
- the radiation fins 44 are provided on the second surface of the connecting portion 42 (the surface opposite to the light source 10). Therefore, the heat of the skin cooling part 20 is transferred to the heat radiation fins 44 through the grip part 43 and the connection part 42 .
- the radiating fins 44 include a plurality of fins and have a large contact area with the air, so heat is easily radiated.
- the heat radiation part 41 preferably contains a material with excellent thermal conductivity.
- the thermal conductivity value of the heat radiating section 41 may be greater than that of the skin cooling section 20 .
- the heat radiating portion 41 may contain metal such as aluminum, iron, and copper.
- the grip portion 43, the connection portion 42, and the heat radiation fins 44 may be made of the same material or may be made of different materials.
- the air blowing section 45 cools the heat radiating section 41 by sending air to the heat radiating section 41 .
- the blowing unit 45 includes, for example, a fan, and the rotation of the fan generates an airflow.
- the housing 5 is provided with a plurality of first openings 6 at locations facing the air blower 45 . Further, the housing 5 is provided with a plurality of second openings 7 at locations facing the heat radiation fins 44 . Therefore, when the air blower 45 is driven, the air taken in from the outside of the housing 5 through the plurality of first openings 6 is sent to the radiating fins 44 .
- the heat of the air in contact with the radiation fins 44 is exchanged with the heat of the radiation fins 44 to cool the radiation fins 44 .
- the air heated by contact with the radiation fins 44 is discharged outside the housing 5 through the plurality of second openings 7 .
- the light irradiation type hair removal device 1 cools the skin cooling unit 20 using the air-cooled cooler 40, but in addition to the air-cooled cooler 40, or air-cooled cooling Instead of the vessel 40, a Peltier device or the like may be used to cool the skin cooling part 20.
- a Peltier device or the like may be used to cool the skin cooling part 20.
- FIG. The light irradiation hair removal device 1 in the case of cooling the skin cooling unit 20 using a Peltier element can cool the skin cooling unit 20 more powerfully.
- FIG. 4 is a control block diagram of the control unit 50.
- the control unit 50 controls irradiation and non-irradiation of light from the light source 10 . Further, the control unit 50 controls driving and stopping of the blower unit 45 .
- the temperature sensor 13 and the push switch 30 are connected to the input side of the controller 50 .
- the light source 10 and the cooler 40 are connected to the output side of the controller 50 .
- the control unit 50 has a computer system including a CPU (Central Processing Unit), ROM (Read Only Memory) and RAM (Random Access Memory).
- the computer system functions as the control unit 50 by the CPU executing the program stored in the ROM.
- the program executed by the CPU is recorded in advance in the ROM of the computer system here, but it may be recorded in a non-temporary recording medium such as a memory card and provided, or may be provided through an electric communication line such as the Internet. may be provided through
- the control unit 50 lights or blinks the light source 10 when the push switch 30 is pressed.
- the control unit 50 may cause the light source 10 to emit light at the same time that the push switch 30 is pressed, or may cause the light source 10 to emit light after a predetermined time has elapsed since the push switch 30 was pressed.
- the control unit 50 may cause the cooler 40 to cool the skin cooling unit 20 so that the temperature of the skin cooling unit 20 is -5°C or higher and 35°C or lower.
- the control unit 50 may receive a signal regarding the temperature of the skin cooling unit 20 from the temperature sensor 13 and drive the cooler 40 to cool the skin cooling unit 20 according to the signal.
- the control unit 50 may control the output of the blower unit 45 and the like to cool the skin cooling unit 20 .
- the control unit 50 may cool the skin cooling unit 20 by controlling the output of the Peltier element, for example. Specifically, the control unit 50 drives the Peltier device when the temperature of the skin cooling unit 20 reaches 35° C. or higher, and drives the Peltier device when the temperature of the skin cooling unit 20 falls below ⁇ 5° C. You can stop.
- FIG. 5 is a cross-sectional view showing an example of the state before use of the light irradiation type hair removal device 1.
- FIG. 6 is a cross-sectional view showing an example of the state of the light irradiation type hair removal device 1 before the push switch 30 is pressed.
- FIG. 7 is a cross-sectional view showing an example of the state of the light irradiation type hair removal device 1 after the push switch 30 is pressed.
- FIG. 8 is a cross-sectional view showing an example of a state in which the light irradiation type hair removal device 1 is irradiating the skin S with light.
- the push switch 30 is not pressed before the light irradiation type hair removal device 1 is used. Therefore, the pressing portion 32 of the push switch 30 protrudes from the surface of the skin cooling portion 20 in contact with the skin S in the direction opposite to the light source 10 with respect to the skin cooling portion 20 . In this state, no light is emitted from the light source 10 .
- the user's skin S is pressed against the light irradiation type hair removal device 1 .
- the pressing portion 32 of the push switch 30 protrudes from the skin contact surface of the skin cooling portion 20 . Therefore, the user's skin S contacts the push switch 30 first, and the light source 10 is surrounded by the skin S and the push switch 30 .
- the push switch 30 is pressed while being in contact with the skin S. Specifically, when the pressing portion 32 of the push switch 30 is pressed, the surface pressed by the skin S moves toward the light source 10 with respect to the skin cooling portion 20 . As a result, the skin S contacts the skin cooling unit 20 while the light source 10 is surrounded by the skin S and the push switch 30 , and the skin S shields the skin cooling unit 20 . The skin S is cooled by contact with the skin cooling unit 20 .
- the push switch 30 closes the circuit to which the light source 10 is connected, and light is emitted from the light source 10 . Since the skin cooling unit 20 is shielded by the skin S and the light source 10 is also surrounded by the push switch 30, the light emitted from the light source 10 is applied to the skin S without leaking. In order to bring the skin cooling part 20 and the skin S into contact with each other more reliably, the light may be emitted from the light source 10 after a predetermined time has elapsed since the pressing part 32 of the push switch 30 was pressed.
- the light irradiation type hair removal device 1 includes the light source 10 , the skin cooling unit 20 , and the push switch 30 .
- the light source 10 emits light having a wavelength of 400 nm or more and 1200 nm or less.
- the skin cooling part 20 faces the light source 10, transmits light emitted from the light source 10, and cools the skin S when it comes into contact with the skin S.
- Push switch 30 includes a pressing portion 32 surrounding light source 10 and skin cooling portion 20 . The pressing part 32 protrudes in the direction opposite to the light source 10 with respect to the skin cooling part 20 from the surface of the skin cooling part 20 in contact with the skin S when not pressed.
- the push switch 30 is configured such that light is emitted from the light source 10 at least part of the time while the pressing portion 32 is being pressed, and light is not emitted from the light source 10 while the pressing portion 32 is not being pressed. Light irradiation and non-irradiation by the light source 10 are switched.
- the light irradiation type hair removal device 1 can irradiate the skin S with light while the light source 10 is surrounded by the push switch 30 and the skin S. Therefore, the light irradiation type hair removal device 1 can suppress light leakage.
- the skin cooling unit 20 can cool the skin S by coming into contact with the skin S at the time of light irradiation. Therefore, the light irradiation type hair removal device 1 can suppress inflammation of the skin S.
- the light irradiation type hair removal device 1 is provided with a skin cooling unit (skin cooling unit 20).
- the light irradiation type hair removal device 1 may be characterized in that the LED (light source 10) emits light after contacting. Even with such a light irradiation type hair removal device 1, leakage of light or inflammation of the skin S can be suppressed.
- Light may be emitted from the light source 10 after the skin S contacts the surface of the skin cooling unit 20, like the light irradiation type hair removal device 1 according to the present embodiment.
- the light irradiation type hair removal device 1 irradiates light while the surface of the skin S is cooled. Therefore, since the heat generation of the skin S is suppressed more reliably, the light irradiation type hair removal device 1 can reduce irritation to the skin S. In addition, since the light is irradiated while the skin S is in contact with the skin cooling unit 20, the light irradiation type hair removal device 1 can suppress the irradiation unevenness of the light and obtain a stable hair removal effect.
- the light source 10 may include an LED as in the light irradiation type hair removal device 1 according to this embodiment.
- the height of the light irradiation type hair removal device 1 can be lowered and the size can be reduced.
- the light irradiation type hair removal device 1 can narrow the space between the LEDs and the skin cooling unit 20 . Therefore, the light irradiation type hair removal device 1 can dissipate the heat generated by the LED not only from the connection part 42 of the skin cooling unit 20 but also via the skin cooling unit 20 . Therefore, the light irradiation type hair removal device 1 can take the heat of the LED from the surroundings of the LED, so that the LED can be effectively cooled.
- the skin cooling unit 20 may be cooled to ⁇ 5° C. or higher and 35° C. or lower as in the light irradiation type hair removal device 1 according to the present embodiment.
- the light irradiation type hair removal device 1 can cool the skin S so that the skin S is less likely to feel pain due to cooling, and can suppress inflammation caused by the rise in skin temperature during light irradiation.
- the total light transmittance of the skin cooling unit 20 may be 80% or more, like the light irradiation type hair removal device 1 according to this embodiment.
- the light irradiation type hair removal device 1 can allow a large amount of light to reach the melanin, and can promote the hair removal effect.
- the light irradiation type hair removal device 1 can reduce the amount of light that is absorbed by the skin cooling unit 20 and converted into heat, it is possible to suppress the temperature rise of the skin cooling unit 20 .
- the skin cooling unit 20 contains at least one selected from the group consisting of Al 2 O 3 , ZnO, ZrO 2 , MgO, GaN, AlN and diamond. good too.
- the light irradiation type hair removal device 1 can improve the translucency and thermal conductivity of the skin cooling unit 20 . Therefore, the light irradiation type hair removal device 1 can promote the hair removal effect and enhance the cooling effect of the skin cooling unit 20 .
- the light source 10 intermittently irradiates light under the conditions of an irradiance of 15 W/cm 2 or more and 50 W/cm 2 or less and an irradiation time of 500 ms or more and 1000 ms or less. You may
- the light irradiation type hair removal device 1 can give a high hair removal effect to the hair in the early growing stage to the growing stage.
- the light irradiation type hair removal device 1 can cool the skin S more reliably, and can reduce skin irritation.
- the light irradiation type hair removal device 1 has been described as an example in which the light source 10 includes an LED. However, the light source 10 only needs to emit light having a wavelength of 400 nm or more and 1200 nm or less.
- Light source 10 is not limited to LEDs and may include, for example, xenon lamps, laser diodes, and combinations thereof. However, if an LED is used as the light source 10, the light irradiation type hair removal device 1 can be miniaturized as described above.
- the skin cooling unit 20 may include a wavelength cut filter that suppresses transmission of specific wavelengths.
- the wavelength cut filter may be provided, for example, on the surface of the skin cooling unit 20 on the light source 10 side or on the surface opposite to the light source 10 .
- a xenon lamp is used as the light source 10
- the light irradiation type hair removal device 1 including the skin cooling unit 20 including the wavelength cut filter can improve the hair removal effect.
- the skin cooling unit 20 may include an antireflection film for preventing the light emitted from the light source 10 from being reflected.
- the antireflection film may be provided, for example, on the surface of the skin cooling unit 20 facing the light source 10 .
- the light irradiation type hair removal device 1 has been described as an example in which the cooler 40 is used to cool the skin cooling unit 20 .
- the skin cooling unit 20 has high thermal conductivity, it is not always necessary to cool the skin cooling unit 20 using the cooler 40 because the skin cooling unit 20 has high heat dissipation.
- the cooler 40 is connected to the skin cooling unit 20 to cool the skin cooling unit 20 .
- cooler 40 need not be connected to skin cooling unit 20 .
- the light irradiation type hair removal device according to the present disclosure can be applied, for example, to a light irradiation type hair removal device for business and home use.
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Optics & Photonics (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Electromagnetism (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
Description
図1は、本実施形態に係る光照射式脱毛装置1の構成を示す断面図であり、図2は、図1のII-II線における断面図である。図1及び図2に示すように、光照射式脱毛装置1は、ハウジング5と、光源10と、温度センサ13と、皮膚冷却部20と、プッシュスイッチ30と、冷却器40と、制御部50とを備えている。
以上のように構成された光照射式脱毛装置1について、以下その動作、作用を説明する。
以上のように、本実施形態に係る光照射式脱毛装置1は、光源10と、皮膚冷却部20と、プッシュスイッチ30とを備えている。光源10は、400nm以上1200nm以下の波長を有する光を照射する。皮膚冷却部20は、光源10と対向して光源10から照射される光を透過し、皮膚Sと接触した場合に皮膚Sを冷却する。プッシュスイッチ30は、光源10及び皮膚冷却部20の周囲を取り囲む押圧部32を含んでいる。押圧部32は、押圧されていない場合には皮膚冷却部20の皮膚Sと接触する面よりも皮膚冷却部20に対して光源10とは反対側の方向に向かって突き出ている。押圧部32は、押圧された場合には皮膚冷却部20に対して光源10の方向に向かって皮膚Sによって押圧される面が移動する。プッシュスイッチ30は、押圧部32が押圧されている間の少なくとも一部の時間には光源10から光が照射され、押圧部32が押圧されていない間には光源10から光が照射されないように光源10による光の照射と非照射とを切り替える。
以上のように、本開示における技術の例示として、上記実施形態を説明した。しかしながら、本開示における技術は、これに限定されず、変更、置き換え、付加、省略などを行った実施形態にも適用できる。そこで、以下、他の実施形態を例示する。
5 ハウジング
6 第1開口部
7 第2開口部
10 光源
12 基板
13 温度センサ
20 皮膚冷却部
30 プッシュスイッチ
31 基部
32 押圧部
40 冷却器
41 放熱部
42 接続部
43 把持部
44 放熱フィン
45 送風部
50 制御部
321 第1部品
322 第2部品
S 皮膚
Claims (7)
- 400nm以上1200nm以下の波長を有する光を照射する光源と、
前記光源と対向して前記光源から照射される光を透過し、皮膚と接触した場合に前記皮膚を冷却する皮膚冷却部と、
前記光源及び前記皮膚冷却部の周囲を取り囲み、押圧されていない場合には前記皮膚冷却部の前記皮膚と接触する面よりも前記皮膚冷却部に対して前記光源とは反対側の方向に向かって突き出ており、押圧された場合には前記皮膚冷却部に対して前記光源の方向に向かって前記皮膚によって押圧される面が移動する押圧部を含み、前記押圧部が押圧されている間の少なくとも一部の時間には前記光源から光が照射され、前記押圧部が押圧されていない間には前記光源から光が照射されないように前記光源による光の照射と非照射とを切り替えるプッシュスイッチと、を備える、
光照射式脱毛装置。 - 前記皮膚が前記皮膚冷却部の表面と接触した後に前記光源から光が照射される、
請求項1に記載の光照射式脱毛装置。 - 前記光源はLEDを含む、
請求項1又は2に記載の光照射式脱毛装置。 - 前記皮膚冷却部は-5℃以上35℃以下となるように冷却される、請求項1から3のいずれか一項に記載の光照射式脱毛装置。
- 前記皮膚冷却部の全光線透過率は80%以上である、
請求項1から4のいずれか一項に記載の光照射式脱毛装置。 - 前記皮膚冷却部はAl2O3、ZnO、ZrO2、MgO、GaN、AlN及びダイヤモンドからなる群より選択される少なくとも1つを含む、
請求項1から5のいずれか一項に記載の光照射式脱毛装置。 - 前記光源は、放射照度が15W/cm2以上50W/cm2以下、かつ、照射時間が500ms以上1000ms以下の条件で断続的に前記光を照射する、
請求項1から6のいずれか一項に記載の光照射式脱毛装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21924874.7A EP4289470A4 (en) | 2021-02-05 | 2021-12-24 | LIGHT IRRADIATION DEPILATION DEVICE |
US18/253,547 US20240008921A1 (en) | 2021-02-05 | 2021-12-24 | Light-irradiation-type depilation device |
CN202180091383.6A CN116782982A (zh) | 2021-02-05 | 2021-12-24 | 光照射式脱毛装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021017225A JP2022120373A (ja) | 2021-02-05 | 2021-02-05 | 光照射式脱毛装置 |
JP2021-017225 | 2021-02-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022168489A1 true WO2022168489A1 (ja) | 2022-08-11 |
Family
ID=82742133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2021/048146 WO2022168489A1 (ja) | 2021-02-05 | 2021-12-24 | 光照射式脱毛装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20240008921A1 (ja) |
EP (1) | EP4289470A4 (ja) |
JP (1) | JP2022120373A (ja) |
CN (1) | CN116782982A (ja) |
WO (1) | WO2022168489A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003126276A (ja) * | 2001-10-23 | 2003-05-07 | Japan Pierced Earring System Inc Co | 医療・美容用レーザー照射装置 |
JP2008289812A (ja) * | 2007-05-28 | 2008-12-04 | Panasonic Electric Works Co Ltd | 光脱毛機器 |
JP2013111391A (ja) * | 2011-11-30 | 2013-06-10 | Panasonic Corp | 光照射型美容装置 |
JP5715128B2 (ja) | 2009-07-20 | 2015-05-07 | コーニンクレッカ フィリップス エヌ ヴェ | 対象物に光を付与するための光付与装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202009017814U1 (de) * | 2008-01-17 | 2010-07-01 | Syneron Medical Ltd. | Haarentfernungsgerät für die persönliche Anwendung |
JP2011067454A (ja) * | 2009-09-25 | 2011-04-07 | Panasonic Electric Works Co Ltd | 光照射型美容装置 |
JP5672611B2 (ja) * | 2011-06-21 | 2015-02-18 | パナソニックIpマネジメント株式会社 | 光照射型美容装置 |
-
2021
- 2021-02-05 JP JP2021017225A patent/JP2022120373A/ja active Pending
- 2021-12-24 EP EP21924874.7A patent/EP4289470A4/en active Pending
- 2021-12-24 WO PCT/JP2021/048146 patent/WO2022168489A1/ja active Application Filing
- 2021-12-24 US US18/253,547 patent/US20240008921A1/en active Pending
- 2021-12-24 CN CN202180091383.6A patent/CN116782982A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003126276A (ja) * | 2001-10-23 | 2003-05-07 | Japan Pierced Earring System Inc Co | 医療・美容用レーザー照射装置 |
JP2008289812A (ja) * | 2007-05-28 | 2008-12-04 | Panasonic Electric Works Co Ltd | 光脱毛機器 |
JP5715128B2 (ja) | 2009-07-20 | 2015-05-07 | コーニンクレッカ フィリップス エヌ ヴェ | 対象物に光を付与するための光付与装置 |
JP2013111391A (ja) * | 2011-11-30 | 2013-06-10 | Panasonic Corp | 光照射型美容装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP4289470A4 |
Also Published As
Publication number | Publication date |
---|---|
EP4289470A1 (en) | 2023-12-13 |
JP2022120373A (ja) | 2022-08-18 |
CN116782982A (zh) | 2023-09-19 |
US20240008921A1 (en) | 2024-01-11 |
EP4289470A4 (en) | 2024-05-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10524861B2 (en) | Hair removal device | |
US6273885B1 (en) | Handheld photoepilation device and method | |
US10413748B2 (en) | Skin treatment device | |
CA2480390A1 (en) | Cooled light emitting apparatus | |
KR20220000953U (ko) | 탈모기 | |
CN220530111U (zh) | 脱毛仪及皮肤处理设备 | |
KR20210000127U (ko) | 휴대식 탈모 장치 | |
AU2002330380B2 (en) | Laser beam irradiation device | |
WO2022168489A1 (ja) | 光照射式脱毛装置 | |
JP2024519961A (ja) | 脱毛器 | |
WO2022168492A1 (ja) | 光照射式脱毛装置 | |
WO2022168493A1 (ja) | 光照射式脱毛装置 | |
EP4289473A1 (en) | Light irradiation hair removal device | |
JP3227030U (ja) | 光照射器 | |
CN113509261A (zh) | 带制冷的手持式半导体激光脱毛仪 | |
CN214180573U (zh) | 家用大窗口激光脱毛仪 | |
CN213588473U (zh) | 散热组件及脱毛仪 | |
RU2750838C1 (ru) | Диодный лазерный излучатель с принудительным охлаждением для проведения лечебных и косметологических мероприятий | |
WO2023162978A1 (ja) | 光美容器 | |
CN115553915A (zh) | 一种脱毛装置 | |
WO2023162977A1 (ja) | 光美容器 | |
CN214017806U (zh) | 冰敷脱毛仪 | |
JP3239176U (ja) | 放熱構造及び肌若返り装置 | |
WO2023077653A1 (zh) | 一种手持家用激光脱毛仪及其系统 | |
JP3807906B2 (ja) | レーザ光照射プローブ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21924874 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18253547 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202180091383.6 Country of ref document: CN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2021924874 Country of ref document: EP Effective date: 20230905 |