Skin treatment device

Abstract

A skin treatment device (1) is provided with: a plurality of electrodes (31), (32), (33) that can come into contact with the skin of a user; a power source that is electrically connected to the plurality of electrodes (31), (32), (33); a control device for implementing output via a plurality of electrodes (31), (32), (33) in a plurality of output modes in which characteristics of output waveforms differ from each other, the plurality of output modes including combination modes (M11), (M12) including a first sub-mode (M1) having an action of permeating an active ingredient into the skin and a second sub-mode (M3) having an action of applying an alternating current stimulation to the skin.

Description

Technical Field

[0001] The utility model relates to a skin treatment device. Background Art

[0002] It is known that, in a skin treatment device including a low-frequency electrode pair and a high-frequency electrode pair, there is a technology in which the low-frequency electrode pair repeatedly applies an emission time of a low-frequency voltage and a rest time during which no voltage is applied, and the high-frequency electrode pair applies a high-frequency voltage only during the rest time related to the low-frequency electrode pair (for example, refer to patent document 1).

[0003] Prior art literature

[0004] Patent Literature

[0005] Patent Document 1: Japanese Patent Application Publication No. 2012-65693 Utility Model Content

[0006] Problems to be solved by the utility model

[0007] However, in the above-mentioned prior art, it is difficult to appropriately combine and continuously implement a plurality of output modes in a manner that effectively improves the beauty effect.

[0008] Therefore, an object of the present invention is to appropriately combine and continuously implement a plurality of output modes in a manner that effectively improves the beauty effect.

[0009] Solutions for solving problems

[0010] In order to achieve the above-mentioned purpose, the utility model provides a skin treatment device, which comprises: a plurality of electrodes, which can be in contact with the user's skin; a power supply, which is electrically connected to the plurality of electrodes; and a control device, which realizes output through the plurality of electrodes in a plurality of output modes with different output waveform characteristics, the plurality of output modes including a combination mode, and the combination mode includes: a first sub-mode, which has the function of penetrating effective ingredients into the skin; and a second sub-mode, which has the function of applying AC stimulation to the skin.

[0011] Utility Model Effect

[0012] According to the utility model, a plurality of output modes can be appropriately combined and continuously realized in a manner that effectively improves the beauty effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a perspective view showing the appearance of a skin treatment device according to an embodiment of the present invention.

[0014] Figure 2A and Figure 2B It is shown Figure 1 An illustration of the head of a skin treatment device. Figure 2A It is a front view showing the arrangement of a plurality of electrodes and a plurality of outer edge electrodes. Figure 2B This is the front view of the electrode.

[0015] Figure 3A , Figure 3B and Figure 3C is a front view showing an example of an arrangement of a plurality of electrodes.

[0016] Figure 4 It is shown Figure 2B Front view of the straight parallel output area and the equally spaced output area of ​​the electrode.

[0017] Figure 5 This is a schematic structural diagram of an example of a control system.

[0018] Figure 6 Yes means Figure 5 A block diagram of the functions implemented by the control device.

[0019] Figure 7 This is a diagram for explaining the setting values ​​of various parameters stored in the parameter storage unit.

[0020] Figure 8 This is an explanatory diagram of an example of the operation mode A1.

[0021] Fig. 9 Comparison of the penetration effect of the active ingredient due to the different durations of the penetration mode M1 and the ion introduction mode M2.

[0022] Fig.10 Comparison of the penetration effect of the active ingredient due to the different durations of the penetration mode M1 and the ion introduction mode M2.

[0023] Fig.11 This is a diagram comparing the penetration effect of the active ingredient caused by the difference in the frequency of the output waveform of the penetration mode M1 in the first combination mode M11 or the second combination mode M12.

[0024] Fig.12 This is a diagram comparing the penetration effect of the effective ingredient caused by the difference in the frequency of the output waveform of the high-frequency mode M3 in the first combination mode M11 or the second combination mode M12.

[0025] Fig.13 A preferred example of the output waveform of the penetration mode M1 is shown.

[0026] Fig.13A Another example of the output waveform of the permeation mode M1 is shown.

[0027] Fig. 13B Still another example of the output waveform of the permeation mode M1 is shown.

[0028] Fig. 13C Still another example of the output waveform of the permeation mode M1 is shown.

[0029] Fig.13D yes Fig. 13C An enlarged view of the Q6 section.

[0030] Fig.14 A preferred example of the output waveform in the ion introduction mode M2 ​​is shown.

[0031] Fig.15 Another preferred example of the output waveform in the ion introduction mode M2 ​​is shown.

[0032] Fig.16 Another preferred example of the output waveform in the ion introduction mode M2 ​​is shown.

[0033] Fig.17 : is a diagram showing a preferred example of the output waveform of the high frequency mode M3.

[0034] Fig.18 Comparison of the effects of various output waveforms on the penetration of active ingredients.

[0035] Fig.19 is based on Fig.13 FIG. 1 is a diagram for explaining the difference in effect due to the difference in frequency of the output waveform of the penetration mode M1 shown.

[0036] Fig. 20 is based on Fig.13 1 and 2 are diagrams for explaining the difference in effect due to the difference in the current value of the output waveform of the penetration mode M1 shown.

[0037] Fig.21 is based on Fig.13 FIG. 1 is a diagram for explaining the difference in effect caused by the difference in the use time of the output waveform of the penetration mode M1 shown.

[0038] Explanation of symbols

[0039] 1Skin treatment device,

[0040] 2. Grip,

[0041] 3. Head,

[0042] 3a contact surface,

[0043] 20 User Interface,

[0044] 30 electrodes,

[0045] 31Inner electrode,

[0046] 32 external electrodes,

[0047] 33 outer edge electrode,

[0048] 100 control systems,

[0049] 110 control device,

[0050] 111 user input acquisition unit,

[0051] 112 mode setting unit,

[0052] 113 Control parameter setting unit,

[0053] 114 control signal generating unit,

[0054] 115 switching control unit,

[0055] 116 parameter storage unit,

[0056] 120 driving circuit part,

[0057] 121 driving circuit part,

[0058] 122 driving circuit part,

[0059] 130 output waveform generating unit,

[0060] 131 output waveform generating unit,

[0061] 132 output waveform generating unit,

[0062] 135 Transformer,

[0063] 136 Transformer,

[0064] 137 Transformer,

[0065] 140 switching circuit unit,

[0066] 141 switching circuit unit,

[0067] 150 Power Supply. DETAILED DESCRIPTION

[0068] Hereinafter, embodiments of the present invention will be described in detail based on the drawings.

[0069] [Overall structure of skin treatment device]

[0070] Figure 1 1 is a perspective view showing the appearance of a skin treatment device 1 according to an embodiment as an example of a specific configuration of the skin treatment device of the present invention. Figure 2A , Figure 2B 1 is an explanatory diagram showing the head 3 of the skin treatment device 1 according to the embodiment.

[0071] The skin treatment device 1 of this embodiment is in the form of a beauty device, and is configured to apply beauty-related effects to the skin of the user's face. However, in a modified example, the skin treatment device 1 may also be configured to apply similar beauty-related effects to an area other than the user's face in addition to or instead of the user's face. In addition, the skin treatment device 1 may also be used to apply effects different from beauty-related effects (for example, an effect of promoting transdermal absorption of a drug).

[0072] The beauty-related effects may be arbitrary and may include loosening elimination, firming, fat burning, lifting, face thinning, increasing skin elasticity, radiance and moisturizing, or any combination of one or more thereof. In addition, the beauty-related effects may be quantifiable effects or non-quantifiable effects.

[0073] The skin treatment device 1 of the present embodiment is configured to provide various outputs via a plurality of electrodes in contact with the user's skin, thereby providing beauty-related effects to the user's skin.

[0074] The skin treatment device 1 of the present embodiment is a portable type that can be held by a user's hand, but may also be applied to a movable type that is movably supported by a fixed device via an arm or the like.

[0075] The skin treatment device 1 of this embodiment includes a grip 2 and a head 3. In this case, the user holds the grip 2 and places the head 3 on a desired part (area) of his or her own face or the face of another person (e.g., a patient), thereby providing various outputs from the skin treatment device 1 to the desired part.

[0076] The grip portion 2 has a shape that is easy for the user to hold. The grip portion 2 may include a user interface 20, which includes various buttons such as a power on / off button, a mode switching button, and an intensity adjustment button. It should be noted that the various buttons may be mechanical buttons or touch switches. In addition, a display portion (not shown) that displays the status of the skin treatment device 1 may also be provided in the grip portion 2. In addition, the grip portion 2 may also be provided with electrodes (not shown) that are touched by the user.

[0077] The head 3 is disposed at the end of the gripping portion 2. The head 3 may be fixed relative to the gripping portion 2, or may be detachable, or may be movable relative to the gripping portion 2.

[0078] The head 3 can contact the user's skin and has a shape suitable for contacting the user's skin. The head 3 can, for example, have a contact surface 3a that is approximately planar (including a curved surface with a large radius of curvature). The contact surface 3a is a plane, and in a side view, the extension direction (basic surface) of the contact surface 3a can be approximated to a substantially straight line. In front view, the shape of the contact surface 3a (i.e., the shape when viewed in a direction perpendicular to the contact surface 3a) is arbitrary, such as a rectangle, a circle, an ellipse, a polygon, etc. In this embodiment, as an example, Figure 2A As shown, the contact surface 3a viewed from the front is circular. For the contact surface 3a of the head 3, the center when the contact surface 3a is viewed from the front (i.e., the center of gravity when viewed in a direction perpendicular to the contact surface 3a) is referred to as the "center C of the contact surface 3a".

[0079] In the head 3 , a plurality of electrode groups are disposed for each attribute, specifically, a first electrode group and a second electrode group are disposed.

[0080] The first electrode group includes a plurality of electrodes (several electrodes) 30 arranged in an array on the contact surface 3a. The second electrode group includes a plurality of peripheral electrodes (several peripheral electrodes) 33 arranged on the contact surface 3a in a rotationally symmetrical manner with respect to the center C of the contact surface 3a (also the center of the first electrode group) so as to surround the plurality of electrodes 30. These electrodes 30 and peripheral electrodes 33 can be formed to easily contact the user's skin and can be the same as the basic surface of the contact surface 3a of the head 3, or can be in a form that is slightly protruding from the basic surface of the contact surface 3a of the head 3.

[0081] In this embodiment, the head 3 has 7 electrodes 30 as the first electrode group, but the number of electrodes 30 as the first electrode group is not limited to 7, as long as it is 2 or more. In this embodiment, the head 3 also has 3 peripheral electrodes 33 as the second electrode group, but the number of peripheral electrodes 33 as the second electrode group is not limited to 3, as long as it is 2 or more.

[0082] Each of the plurality of electrodes 30 has an inner electrode 31 and an outer electrode 32 that surrounds the inner electrode 31 and is away from the inner electrode 31. The inner electrode 31 and the outer electrode 32 of each of the plurality of electrodes 30 form a pair of electrodes that applies, for example, an output waveform of a predetermined frequency having a beauty-related effect (for example, an effect of applying AC stimulation to the skin) to the user's skin.

[0083] That is, in the first electrode group, the inner electrode 31 and the outer electrode 32 of each of the plurality of electrodes 30 form a pair to produce a desired output waveform. In this case, the output waveform is arbitrary, and may be, for example, an AC waveform or a pulsed DC waveform. In the case of an AC waveform, the frequency band of the output waveform is arbitrary, such as a high frequency that exerts an AC stimulation effect on the skin. Some examples of output waveforms achieved by pairing the inner electrode 31 and the outer electrode 32 will be described later. In the description of the present utility model, unless otherwise specified, high frequency refers to a frequency band greater than 10 kHz, and low frequency refers to a frequency band below 10 kHz.

[0084] By configuring the plurality of peripheral electrodes 33 constituting the second electrode group so as to surround at least a portion of the plurality of electrodes 30 constituting the first electrode group, a synergistic effect can be exerted with the action applied by the first electrode group and the action applied by the second electrode group. In addition, by making the shape and configuration of the plurality of peripheral electrodes 33 constituting the second electrode group along the shape and configuration of the entire collection of the plurality of electrodes 30 constituting the first electrode group, the contact surface 3a of the head 3 can be used without waste, and as an electrode constituting the second electrode group, an appropriate (in other words, sufficient) area can be ensured. Therefore, it is possible to prevent discomfort caused by a strong stimulation felt when a low-frequency current passes through an electrode with a smaller area.

[0085] The plurality of outer edge electrodes 33 form, for example, a pair of electrodes for applying an output waveform of a predetermined frequency having a beauty-related effect (specifically, a muscle electrical stimulation effect, etc.) to the user's skin.

[0086] That is, in the second electrode group, the outer edge electrodes 33 are paired with each other to produce a desired output waveform. In this case, the output waveform is arbitrary, for example, it can be an AC waveform or a pulsed DC waveform. In this case, the frequency band of the output waveform is arbitrary, for example, a high frequency or a low frequency having a muscle electrical stimulation effect. Several examples of output waveforms achieved by the outer edge electrodes 33 in pairs will be described later.

[0087] In the present embodiment, the plurality of electrodes 30 are respectively formed such that the outer periphery of the inner electrode 31 is in the shape of a regular hexagon, and the inner periphery and the outer periphery of the outer electrode 32 are in the shape of a regular hexagon, and the outer electrode 32 is formed in the shape of a regular hexagonal ring in a manner of being separated from the inner electrode 31 and surrounding the inner electrode 31. That is, the outer electrode 32 is arranged outside (in other words, radially outward) of the outer periphery of the inner electrode 31 in a manner such that the center (center of gravity position in front view; the same below) of the inner electrode 31 and the center (center of gravity position in front view; the same below) of the outer electrode 32 are aligned.

[0088] In this embodiment, the plurality of electrodes 30 are formed such that the shape of the outer periphery of the inner electrode 31 and the shape of the inner periphery and the outer periphery of the outer electrode 32 are regular hexagons with rounded corners, so that the dimension d between the outer periphery of the inner electrode 31 and the inner periphery of the outer electrode 32 is constant over the entire space S between the inner electrode 31 and the outer electrode 32 (see Figure 2B ). In this case, due to the symmetry and uniformity of the distance from the inner electrode 31 to the outer electrode 32, uniform electric application with suppressed electric deviation can be achieved between the inner electrode 31 and the outer electrode 32. However, the shape of the outer periphery of the inner electrode 31 and the shapes of the inner periphery and the outer periphery of the outer electrode 32 may be formed into a shape other than rounded corners.

[0089] In the present embodiment, the plurality of electrodes 30 all have the same shape. However, some of the plurality of electrodes 30 may have different shapes (in other words, some may have the same shape), or all of the plurality of electrodes 30 may have mutually different shapes. That is, electrodes having all the same shape may be configured as the plurality of electrodes 30, or electrodes having two or more mutually different shapes may be configured.

[0090] An electrode 30 ( Figure 2A The six electrodes 30 ( 30c in the figure) are arranged in such a way that the center of the inner electrode 31 coincides with the center C of the contact surface 3a. Figure 2A The symbol 30a in the figure is located at the center C of the contact surface 3a. Figure 2A Symbol 30c) in the figure, and are arranged in a shape with equal intervals on the circumference of a circle centered on the center C of the contact surface 3a.

[0091] Although the dimension Li between opposite sides of the outer peripheral edge of the inner electrode 31 is not limited to a specific value, it may be set to any value within the range of about 2 to 5 mm as an example only.

[0092] Although the dimension between the centers of the inner electrodes 31 of adjacent electrodes 30 is not limited to a specific value, it may be set to any value within the range of approximately 4 to 12 mm as an example only.

[0093] In the present embodiment, as described above, each of the plurality of electrodes 30 is formed by combining an inner electrode 31 and an outer electrode 32, that is, each of the plurality of electrodes 30 is formed as follows: the shape of the outer periphery of the inner electrode 31 is formed as a regular hexagon (specifically, a rounded regular hexagon; the same below), the shapes of the inner periphery and the outer periphery of the outer electrode 32 are formed as regular hexagons, and the inner electrode 31 and the outer electrode 32 are combined together in such a way that the center of the inner electrode 31 is consistent with the center of the outer electrode 32.

[0094] In addition, the plurality of electrodes 30 are arranged such that one of the plurality of external electrodes 32 is close to another of the external electrodes 30 (see Figure 3A ), contact method (see Figure 3B ) or integrated approach (see Figure 3C ); in the present embodiment), they are arranged in an array. In adjacent electrodes 30, the outer electrodes 32 may be integrated (in other words, may overlap or be common), but not arranged in a cross-shaped manner.

[0095] In this embodiment, at least a portion of the outer electrodes 32 of the adjacent electrodes 30 have a common structure, that is, Figure 3C The plurality of electrodes 30 are arranged in the manner shown. In this case, the outer electrode 32 is formed into a mesh shape in front view, specifically, a honeycomb shape. Furthermore, the plurality of electrodes 30 are arranged in a manner such that the outer periphery of the outer electrode 32 is formed into a regular hexagon, and at least a portion of the outer electrodes 32 of adjacent electrodes 30 are integrated (in other words, overlapped, shared), so that there is no gap between the electrodes 30 (in other words, no wasted space), and the number and arrangement of the electrodes 30 can be adjusted in accordance with the size and shape of the contact surface 3a, and the electrodes 30 can be arranged in a manner such that the entire surface of the contact surface 3a is buried.

[0096] In addition, by combining a plurality of electrodes 30 consisting of an inner electrode 31 and an outer electrode 32 surrounding the inner electrode 31 and forming an electrode assembly, the expandability and freedom of arrangement of the electrodes can be improved, and the overall shape of the electrode assembly can be freely adjusted according to the part to which the beauty-related effect is applied. Specifically, for example, the overall shape of the electrode assembly can be a shape that fills a circular range, a shape that fills an elliptical range, a shape that fills a rectangular range, or a shape that fills a gourd-shaped range as in the present embodiment.

[0097] Since the counter electrode is composed of the inner electrode 31 and the outer electrode 32 which is separated from the inner electrode 31 and surrounds the inner electrode 31, the interval between the counter electrodes (i.e., the dimension d between the outer periphery of the inner electrode 31 and the inner periphery of the outer electrode 32) can be adjusted to any value by changing the sizes of the inner electrode 31 and the outer electrode 32 or changing the width of the outer electrode 32. The dimension d between the outer periphery of the inner electrode 31 and the inner periphery of the outer electrode 32 is not limited to a specific value, but is preferably 1.0 mm or more and 3.0 mm or less, more preferably 1.6 mm or more and 2.0 mm or less, and most preferably about 1.8 mm.

[0098] As in this embodiment, preferably, the electrode 30 has a portion where the outer periphery of the inner electrode 31 and the inner periphery of the outer electrode 32 are both straight and parallel to each other. In this way, uniform electricity application with suppressed electrical deviation can be achieved more effectively.

[0099] In this embodiment, if Figure 4 As shown, the shape of the outer periphery of the inner electrode 31 of the electrode 30 and the shape of the inner periphery of the outer electrode 32 both have a straight and mutually parallel portion SP, and the area between the inner electrode 31 and the outer electrode 32 in the parallel portion SP ( Figure 4 In the dark gray mesh portion in the figure, i.e., the "straight parallel output region", uniform electric application with further good suppression of electric deviation is achieved. In addition, since the shape of the outer periphery of the inner electrode 31 and the shape of the inner periphery of the outer electrode 32 are formed as a rounded regular hexagon, the dimension d between the outer periphery of the inner electrode 31 and the inner periphery of the outer electrode 32 is constant in the space S between the inner electrode 31 and the outer electrode 32 as a whole, and the area between the inner electrode 31 and the outer electrode 32 in the rounded portion ( Figure 4 Uniform electrical application that suppresses electrical deviation is achieved in the portion between the straight parallel output areas, namely the "equally spaced output area".

[0100] Preferably, the ratio of the area of ​​the outer electrode 32 of each electrode 30 to the area of ​​the inner electrode 31 (referred to as "inner-outer electrode area ratio") is within a predetermined range. The inner-outer electrode area ratio is preferably 0.8 to 1.2, more preferably 0.9 to 1.1, more preferably 0.95 to 1.05, and most preferably 1.0. By setting the inner-outer electrode area ratio within an appropriate range, good electrical application between the inner electrode 31 and the outer electrode 32 can be achieved.

[0101] Preferably, the ratio of the sum of the areas of the spaces S between the inner electrode 31 and the outer electrode 32 to the sum of the areas of the inner electrode 31 and the outer electrode 32 of the plurality of electrodes 30 (referred to as the "ratio of the inter-electrode area to the electrode area") is within a predetermined range. The ratio of the inter-electrode area to the electrode area is preferably 0.6 to 1.6, more preferably 0.6 to 1.2, more preferably 0.7 to 1.1, and most preferably 0.9 to 1.0. By setting the ratio of the inter-electrode area to the electrode area within an appropriate range, good electrical application can be achieved between the inner electrode 31 and the outer electrode 32.

[0102] [Function of electrodes]

[0103] In this embodiment, as described above, in the first electrode group, the inner electrode 31 and the outer electrode 32 of each of the plurality of electrodes 30 are paired, and can generate a variety of output waveforms with various effects, and at the same time, in the second electrode group, the outer edge electrodes 33 are paired with each other, and can generate a variety of output waveforms with various effects. In this way, according to this embodiment, it is possible to achieve a uniform and good skin treatment effect electrode configuration, that is, an electrode configuration that can provide a uniform and good skin treatment effect to the user's skin over the entire area of ​​the user's skin that the skin treatment device 1 contacts.

[0104] In this embodiment, multiple output modes with different output waveform characteristics are realized through multiple electrodes 30 (specifically, inner electrodes 31 and outer electrodes 32) constituting the first electrode group and multiple outer edge electrodes 33 constituting the second electrode group. In the description of this embodiment, each of the multiple output modes is referred to as (a) to (f) as follows. Examples of output waveforms in each output mode will be described later.

[0105] (a) The outer edge electrodes 33 constituting the second electrode group are paired with each other, or the plurality of electrodes 30 constituting the first electrode group and the plurality of outer edge electrodes 33 constituting the second electrode group are paired, and an output mode that generates an output waveform having an effect of causing an active ingredient (in other words, a beauty ingredient) to penetrate into the skin (hereinafter, also referred to as "penetration effect"; first effect) is referred to as "penetration mode M1" (an example of a first output mode). When the plurality of electrodes 30 constituting the first electrode group and the plurality of outer edge electrodes 33 constituting the second electrode group are paired, the inner electrode 31 and the outer electrode 32 may be paired, and the outer edge electrodes 33 may be paired with each other, or at least one of the inner electrode 31 and the outer electrode 32 and the outer edge electrode 33 may be paired as one electrode (group), and at least one of the remaining electrodes may be paired as the other electrode (group), but the combination of electrodes is not limited to this.

[0106] (b) An output mode in which the inner electrode 31 and the outer electrode 32 constituting the first electrode group are paired to produce an output waveform having the function of introducing ions (i.e., ions of the active ingredient) into the skin (second function) is called "ion introduction mode M2" (an example of the second output mode).

[0107] (c) An output mode in which the inner electrode 31 and the outer electrode 32 constituting the first electrode group form a pair and generate a high-frequency output waveform having the effect of applying AC stimulation to the skin is called "high-frequency mode M3" (an example of the third output mode).

[0108] (d) An output mode in which the outer edge electrodes 33 constituting the second electrode group are paired with each other to generate a high-frequency or low-frequency output waveform having a muscle electrical stimulation effect is referred to as a "muscle electrical stimulation mode M4" (an example of the fourth output mode).

[0109] (e) The output mode in which the inner electrode 31 and the outer electrode 32 constituting the first electrode group form a pair and apply a weak current (microcurrent) is referred to as "microcurrent mode M5".

[0110] (f) An output mode in which the inner electrode 31 and the outer electrode 32 constituting the first electrode group form a pair and produce an output waveform having the function of extracting ions (ions related to dirt, etc.) from the skin is called "ion extraction mode M6".

[0111] [Control system]

[0112] Reference Figures 5 to 7 , the structure of the control system of the skin treatment device 1 is described.

[0113] Figure 5 2 is a schematic diagram of an exemplary control system 100 . Figure 6 Yes means Figure 5 A block diagram of the functions implemented by the control device 110. Figure 7 116 is an explanatory diagram of the setting values ​​of various parameters stored in the parameter storage unit 116. Figure 5 In addition to the control system 100, a power supply 150 is also shown. The power supply 150 may be, for example, a DC power supply. Figure 5 Multiple power supplies 150 are shown, but they may be common.

[0114] exist Figure 5 In the illustrated example, the control system 100 includes a control device 110 , drive circuit sections 120 , 121 , and 122 , output waveform generation sections 130 , 131 , and 132 , and switching circuit sections 140 and 141 .

[0115] The control device 110 includes a computer, and may be constituted by, for example, a microcomputer. In addition, the control device 110 may be operated based on power from a power supply 150 .

[0116] The control device 110 selectively forms various modes such as the above-mentioned infiltration mode M1, muscle electrical stimulation mode M4, etc., and controls multiple electrodes 30 and multiple peripheral electrodes 33 via driving circuit units 120, 121, 122, output waveform generating units 130, 131, 132 and switching circuit units 140, 141, so as to generate corresponding output waveforms in each mode.

[0117] In this embodiment, as an example, Figure 6As shown, the control device 110 includes a user input acquisition unit 111, a mode setting unit 112, a control parameter setting unit 113, a control signal generating unit 114, a switching control unit 115, and a parameter storage unit 116. Each unit from the user input acquisition unit 111 to the switching control unit 115 can be implemented, for example, by the CPU (Central Processing Unit) (not shown) of the control device 110 executing one or more programs in the storage device (not shown) of the control device 110. The parameter storage unit 116 can be implemented by the storage device (not shown) of the control device 110.

[0118] The user input acquisition unit 111 acquires various user inputs from the user via the user interface 20. The various user inputs may include power on / off, mode selection input, intensity adjustment input, and the like.

[0119] The mode setting unit 112 sets the operation mode desired by the user based on the user input sent from the user input acquisition unit 111. Note that in the modified example, the mode setting unit 112 can set the operation mode based on other parameters that replace the user input or add. Various operation modes can be prepared, and the number and type are arbitrary. In the present embodiment, as an example, a plurality of operation modes are provided, including operation mode A0 and operation mode A1.

[0120] Operation mode A0 is a mode that is implemented separately from various modes such as the above-mentioned infiltration mode M1, muscle electrical stimulation mode M4, etc. For example, operation mode A0 may be muscle electrical stimulation mode M4. In this case, during the formation of operation mode A0, only muscle electrical stimulation mode M4 is continuously implemented. A plurality of operation modes A0 may be set according to each of the infiltration mode M1, muscle electrical stimulation mode M4, etc.

[0121] Operation mode A1 is a mode realized by combining two or more of the various modes such as the above-mentioned infiltration mode M1, muscle electrical stimulation mode M4, etc. A plurality of operation modes A1 can be prepared in different combinations. For example, operation mode A1 can be a combination of infiltration mode M1 and high-frequency mode M3, or a combination of infiltration mode M1, ion introduction mode M2, and muscle electrical stimulation mode M4. In addition, the combination method is arbitrary and can also be set by the user (customizable). A specific example of operation mode A1 will be described later.

[0122] In the operation mode A1, each mode is repeated periodically in a manner that the corresponding output waveform is output within its respective duration. In this case, the output waveform output within one duration preferably includes a continuous waveform that changes periodically twice or more, rather than a single pulse. For example, in the case where the output waveform is a pulsed DC waveform, the output waveform output within one duration contains more than 2 pulses (when the rising / falling edge to the falling / rising edge is regarded as 1 pulse). In addition, if the output waveform is a sinusoidal AC waveform, the output waveform output within one duration includes two or more cycles of a sinusoidal wave.

[0123] In addition, in the operation mode A1, when changing from one mode to another mode, a predetermined sleep time can be set from the end timing of the output waveform of the mode to the start timing of the output waveform of the other mode. The prescribed rest time can be set to be relatively short in such a way as to ensure the time required for the switching action of the switching circuit units 140 and 141 described later (for example, from 1 millisecond to 2 milliseconds). For example, the predetermined sleep time can be shorter than the shortest time of the duration of each mode, for example, about 5 milliseconds.

[0124] The control parameter setting unit 113 sets the values ​​of various control parameters for realizing the corresponding output waveform according to the operation mode set by the mode setting unit 112. The various control parameters may include a first parameter indicating whether it is an AC waveform or a DC waveform, a second parameter indicating the frequency, a third parameter indicating the duration, a fourth parameter indicating the electrode pair that generates the output waveform, etc. The duration corresponds to the output time of the output waveform of the mode, and corresponds to the continuous output time from the start time point of the output waveform to the end time point of the output waveform. In addition, the third parameter may be used only in the above-mentioned operation mode A1, or may not be used in the operation mode A0. Note that in the operation mode A0, for example, the duration may be until the power is turned off, or may be determined by other elements (e.g., elements based on temperature information from a thermistor (not shown)).

[0125] The control parameter setting section 113 may set each value of various control parameters for realizing a corresponding output waveform based on the setting value of each parameter in the parameter storage section 116 . Figure 7 1 shows examples of setting values ​​of various parameters stored in the parameter storage section 116. Figure 7 In the example shown, the set values ​​of various parameters correspond to the respective modes such as the penetration mode M1 and the muscle electrical stimulation mode M4. Figure 7In the example, the value "1" of the first parameter indicates an AC waveform, and the value "0" indicates a DC waveform. In addition, the values ​​PT1 to PT4, PT20, and PT21 of the fourth parameter may also indicate a change pattern of the electrode pair that generates the output waveform. In addition, the electrode pair that generates the output waveform may be a one-to-one pair or a one-to-many pair.

[0126] The control signal generating section 114 generates a control signal in the form of a PWM (Pulse Width Modulation) signal based on the values ​​of various parameters set by the control parameter setting section 113. The control signal generating section 114 provides the generated control signal to a corresponding one of the drive circuit sections 120, 121, and 122.

[0127] exist Figure 5 In the example shown, the control system 100 has three systems of drive circuit units 120, 121, and 122. The drive circuit unit 120 of the drive circuit units 120, 121, and 122 generates various output waveforms via the second electrode group (i.e., the plurality of outer edge electrodes 33), and the drive circuit units 121 and 122 generate various output waveforms via the first electrode group (i.e., the inner electrode 31 and the outer electrode 32 of each of the plurality of electrodes 30). The drive circuit unit 121 generates an output waveform of an AC waveform (e.g., an output waveform of the high-frequency mode M3), and the drive circuit unit 122 generates an output waveform of a DC waveform (e.g., an output waveform of the ion introduction mode M2).

[0128] Figure 5 The waveform of a part of the control signals CT1 and CT2 is schematically shown. In this case, the control signals CT1 and CT2 can be applied to the drive circuit units 120 and 121 via separate control lines L1 and L2, respectively. The frequency (duty cycle) of the control signals CT1 and CT2 can be determined according to the set value of the second parameter. In addition, Figure 5 The waveform of a part of the control signal CT3 is schematically shown. In this case, the control signal CT3 may be applied to the driving circuit unit 122 via the control line L3. The frequency (duty ratio) of the control signal CT3 may be determined according to the set value of the second parameter.

[0129] In addition, when implementing a certain mode, whether to output the control signals CT1 and CT2 (and the control lines L1 and L2 associated therewith) or the control signal CT3 can be determined according to the setting value of the first parameter corresponding to the mode. For example, with respect to a mode, when the setting value of the first parameter is "1", both the control signals CT1 and CT2 can be output, and when the setting value of the first parameter is "0", the control signal CT3 can be output. In addition, when implementing a certain mode, the duration of the control signals CT1, CT2, and CT3 corresponding to the mode can be determined according to the setting value of the third parameter.

[0130] The drive circuit sections 120, 121 and 122 include drivers for driving a plurality of switching elements Tr described later. The drive circuit sections 120, 121 and 122 generate drive signals for turning on / off the switching elements Tr of the output waveform generating sections 130, 131 and 132 according to the control signals CT1, CT2 and CT3 from the control signal generating section 114, respectively, and provide the generated drive signals to the corresponding switching elements Tr.

[0131] The output waveform generating sections 130, 131 and 132 generate output waveforms based on the power supply 150 as a DC power supply. The output waveform generating section 130 includes a pair of switching elements Tr and a transformer 135. The output waveform generating section 131 includes a pair of switching elements Tr and a transformer 136. The output waveform generating section 132 includes a switching element Tr and a transformer 137.

[0132] For the system related to the drive circuit unit 120, a pair of switching elements Tr is a switching element such as a transistor, one of which is connected to the terminal Ta of the transformer 135, and the other is connected to the terminal Tb of the transformer 135. In the transformer 135, the power supply 150 is connected to the terminal Tc related to the center tap. In this embodiment, the transformer 135 is a specification suitable for the frequency of the high-frequency mode M3. For example, when the induced voltage E of the transformer 135 is set to E = √2·π·f·n·φm, the frequency f is equal to the frequency of the high-frequency mode M3 ( Figure 7 The setting value of the second parameter of α3) is approximately equal. In this case, n is the number of turns and φm is the magnetic flux. In addition, the transformer 135 can be set (adjusted) based on changing the setting multiplier of the peripheral circuit, the material and adhesion of the ferrite core (internal component of the transformer 135), etc., suitable for the frequency of the high-frequency mode M3.

[0133] For the system related to the drive circuit section 121, a pair of switching elements Tr is a switching element such as a transistor, one of which is connected to the terminal Ta of the transformer 136, and the other is connected to the terminal Tb of the transformer 136. In the transformer 136, the power supply 150 is connected to the terminal Tc related to the center tap. In the present embodiment, the transformer 136 has a specification suitable for the frequency of the high frequency mode M3. Therefore, in this case, the output waveform generating sections 130 and 131 can be composed of the same components. This is similar to the drive circuit sections 120 and 121.

[0134] Regarding the system of the drive circuit section 122, the switching element Tr is a switching element such as a transistor, and is connected to a terminal Tb of the transformer 137. In the transformer 137, the power supply 150 is connected to a terminal Ta. In the present embodiment, the transformer 137 may be of a specification suitable for the frequency of the ion introduction mode M2.

[0135] The switching circuit section 140 switches the connection ends of the output terminals Td and Te of the output waveform generating section 130 (i.e., the output terminals of the transformer 135) in the plurality of peripheral electrodes 33 according to the control signal from the switching control section 115, thereby controlling the electrode pair that generates the output waveform in the plurality of peripheral electrodes 33. In this case, the switching circuit section 140 can control the electrode pair that generates the output waveform based on the setting value of the fourth parameter.

[0136] The switching circuit section 141 switches the connection ends of the output terminals Td and Te of the output waveform generating section 131 (i.e., the output terminals of the transformer 136) and the connection ends of the output terminals Td and Te of the output waveform generating section 132 (i.e., the output terminals of the transformer 137) according to the control signal from the switching control section 115, thereby controlling the electrode pair that generates the output waveform in the plurality of electrodes 30. In this case, the switching circuit section 141 can control the electrode pair that generates the output waveform based on the setting value of the fourth parameter.

[0137] according to Figure 5 The control system 100 shown in the figure can simultaneously generate (in other words, output) the output waveform via the first electrode group and the output waveform via the second electrode group, because the series of output waveforms applied via the first electrode group (i.e., the inner electrodes 31 and the outer electrodes 32 of each of the plurality of electrodes 30) and the series of output waveforms applied via the second electrode group (i.e., the plurality of outer edge electrodes 33) are independently constructed. Therefore, the output waveform via the first electrode group and the output waveform via the second electrode group can be combined in a variety of ways on the time axis, and the variation of the output of the skin treatment device 1 can be effectively increased.

[0138] in addition, Figure 5 The control system 100 shown is only an example and can be appropriately changed according to the type of output waveform to be generated, whether to use the first electrode group and the second electrode group at the same time, cost, etc. For example, in a structure where the first electrode group and the second electrode group are not used at the same time, the drive circuit unit 122 and the output waveform generating unit 132 can be omitted. In this case, in the switching circuit unit 140, the connection ends of the output terminals (i.e., the output terminals of the transformer 135) Td and Te of the output waveform generating unit 130 can be switched according to time division within the plurality of peripheral electrodes 33 or within the plurality of electrodes 30. Alternatively, in addition to or instead of this, in the switching circuit unit 140, the connection objects of the output terminals (i.e., the output terminals of the transformer 135) Td and Te of the output waveform generating unit 130 can also be switched according to time division in a manner of pairing one or more of the plurality of peripheral electrodes 33 and one or more of the plurality of electrodes 30.

[0139] [Operation mode]

[0140] Reference Figure 8 An example of the operation mode A1 will be described.

[0141] Figure 8 1 is an explanatory diagram of an example of operation mode A1, showing a combination mode (change mode) with a time series with the horizontal axis being time. Figure 8 In the figure, on the upper side, together with the image of the head 3, the electrodes in the plurality of electrodes 30 constituting the first electrode group and the plurality of outer edge electrodes 33 constituting the second electrode group are provided with circled "+" and circled "-" correspondingly. In this case, the electrode corresponding to the circled "+" and the electrode corresponding to the circled "-" are paired. Figure 8 In FIG. 1 , a combination mode (variation mode) of each mode is shown on the lower side corresponding to the drawing of the head 3 .

[0142] exist Figure 8 In the example shown, the operation mode A1 is a combination mode of the infiltration mode M1, the ion introduction mode M2, the high frequency mode M3 and the muscle electrical stimulation mode M4. In this case, the operation mode A1 includes the combination modes M11, M12, the repetition mode M9 and the muscle electrical stimulation mode M4, wherein the first combination mode M11, the repetition mode M9, the second combination mode M12 and the muscle electrical stimulation mode M4 are periodically repeated in this order in a non-overlapping manner.

[0143] The first combination mode M11 is a combination mode of the penetration mode M1 and the high-frequency mode M3. That is, the first combination mode M11 includes the penetration mode M1 as the first sub-mode and the high-frequency mode M3 as the second sub-mode, wherein the first sub-mode has the function of allowing the active ingredients to penetrate into the skin, and the second sub-mode has the function of applying AC stimulation to the skin.

[0144] At this time, the two sub-patterns (ie, the first sub-pattern and the second sub-pattern) of the first combination pattern M11 can refer to Figure 5 The control system 100 is used to realize the above-mentioned. That is, the first sub-mode can be used Figure 5 The system related to the second electrode group in the control system 100 shown in FIG. 1 (driving circuit unit 120, etc.), in addition, the second sub-mode can be used Figure 5 The systems (driving circuit section 121, etc.) related to the first electrode group in the control system 100 shown can be implemented independently of each other at the same time. However, as described above, in the modified example in which the driving circuit section 122 and the output waveform generating section 132 are omitted, two sub-modes can be implemented according to time division. In this case, within the duration of the first combination mode M11, the first sub-mode and the second sub-mode can be alternately implemented only once or multiple times.

[0145] That is, the penetration mode M1 and the high-frequency mode M3 in the first combination mode M11 may be applied simultaneously, or may be applied in a time-division manner, each applied once, or may be applied alternately and repeatedly.

[0146] In the penetration mode M1 of the first combination mode M11, all of the plurality of peripheral electrodes 33 constituting the second electrode group may be used simultaneously. In this case, an output waveform having the effect of penetrating the active ingredient into the skin is applied to the user's skin via each pair. Figure 8 In the example shown, two of the three edge electrodes 33 with the same phase of the AC waveform (electrodes corresponding to the "+" in the circle) can be paired with other edge electrodes 33 (electrodes corresponding to the "-" in the circle) (i.e., a total of two types of pairs can be formed).

[0147] The output waveform of the penetration mode M1 of the first combination mode M11 is an AC waveform, and the frequency of the output waveform of the penetration mode M1 of the first combination mode M11 is preferably greater than 10 kHz and less than 500 kHz, and more preferably greater than 10 kHz and less than 150 kHz. The frequency of the output waveform of the expansion mode M1 of the first combination mode M11 is preferably lower than the frequency of the output waveform of the high-frequency mode M3 of the first combination mode M11.

[0148] In the high frequency mode M3 of the first combination mode M11, all of the plurality of electrodes 30 constituting the first electrode group may be used simultaneously. In this case, an output waveform having the effect of applying AC stimulation to the skin is applied to the user's skin via each pair. Figure 8In the illustrated example, for the plurality of electrodes 30 , each of the inner electrodes 31 (electrodes corresponding to the circled “+”) having the same phase of the AC waveform may be paired with the outer electrode 32 (electrodes corresponding to the circled “−”).

[0149] The output waveform of the high frequency mode M3 of the first combination mode M11 is a high frequency AC waveform, and the frequency of the output waveform of the high frequency mode M3 of the first combination mode M11 is preferably greater than 100 kHz and less than 250 kHz, and more preferably greater than 150 kHz and less than 200 kHz. The frequency of the output waveform of the high frequency mode M3 of the first combination mode M11 is preferably higher than the frequency of the output waveform of the infiltration mode M1 of the first combination mode M11.

[0150] The duration of the first combination mode M11 is preferably between 5 seconds and 25 seconds, more preferably between 10 seconds and 20 seconds, and most preferably about 15 seconds.

[0151] The repetition mode M9 is an alternating repetition mode of the permeation mode M1 and the ion introduction mode M2. Specifically, in the repetition mode M9, the permeation mode M1 and the ion introduction mode M2 ​​are continuously switched in this order without overlapping each other, and are periodically repeated.

[0152] In the penetration mode M1 of the repetitive mode M9, all electrodes of the plurality of electrodes 30 constituting the first electrode group and the plurality of outer edge electrodes 33 constituting the second electrode group can be used simultaneously. In this case, an output waveform having the effect of penetrating the active ingredient into the skin is applied to the user's skin via each pair. Figure 8 In the example shown, regarding the first electrode group and the second electrode group, the inner electrode 31 (electrode corresponding to the circled "+") of the same phase of the AC waveform among the plurality of electrodes 30 constituting the first electrode group and the two outer edge electrodes 33 (electrodes corresponding to the circled "+") of the same phase of the AC waveform among the three outer edge electrodes 33 constituting the second electrode group can be paired with the outer electrode 32 (electrode corresponding to the circled "-") constituting the first electrode group and the other outer edge electrodes 33 (electrodes corresponding to the circled "-") constituting the second electrode group. In this case, the inner electrode 31 and the outer electrode 32 constituting the first electrode group can be paired, and the outer edge electrodes 33 constituting the second electrode group can be paired with each other, or at least one of the inner electrode 31, the outer electrode 32 and the outer edge electrode 33 can be paired as one electrode (group), and at least one of the remaining electrodes can be paired as the other electrode (group), but the combination of electrodes is not limited to this.

[0153] The output waveform of the penetration mode M1 of the repetitive mode M9 is an AC waveform, and the frequency of the output waveform of the penetration mode M1 of the repetitive mode M9 is preferably 10 kHz to 500 kHz, and more preferably 10 kHz to 150 kHz.

[0154] In the permeation mode M1 of the repetitive mode M9, the frequency of the output waveform of the first electrode group and the frequency of the output waveform of the second electrode group may be the same as or different from each other.

[0155] In the ion introduction mode M2 ​​of the repetition mode M9, all of the plurality of electrodes 30 constituting the first electrode group may be used simultaneously. In this case, an output waveform having the effect of introducing ions into the skin through each pair is applied to the user's skin. Figure 8 In the example shown, for the plurality of electrodes 30 constituting the first electrode group, inner electrodes 31 (electrodes corresponding to the circled “+”) of the same polarity can be paired with outer electrodes 32 (electrodes corresponding to the circled “-”).

[0156] In the ion introduction mode M2 ​​of the repetitive mode M9, a continuous waveform that changes periodically at least twice is generated within a duration. The output waveform of the ion introduction mode M2 ​​of the repetitive mode M9 is a pulsed DC waveform, and the frequency of the output waveform of the ion introduction mode M2 ​​of the repetitive mode M9 is specified to generate at least 2 pulsed DC waveforms within a duration, preferably 1.5 kHz or more and 10 kHz or less.

[0157] The duration of the permeation mode M1 and the duration of the ion introduction mode M2 ​​in the repetitive mode M9 are preferably the same, and each is preferably 1 second or longer, more preferably about 1 second.

[0158] The duration of the repetition mode M9 is preferably between 5 seconds and 25 seconds, more preferably between 10 seconds and 20 seconds, and most preferably about 14 seconds. Regarding the duration of the repetition mode M9, it is preferred that the permeation mode M1 and the ion introduction mode M2 ​​are both alternately performed with the same duration of more than 1 second, and the total is 14 seconds. Specifically, it is preferred that the permeation mode M1 is 1 second and the ion introduction mode M2 ​​is 1 second, and they are alternately performed 7 times, respectively, for a total of 14 seconds.

[0159] The second combination mode M12 is the same as the first combination mode M11, which is a combination mode of the penetration mode M1 and the high-frequency mode M3. The second combination mode M12 includes the penetration mode M1 as the first sub-mode and the high-frequency mode M3 as the second sub-mode, wherein the first sub-mode has the function of allowing the active ingredients to penetrate into the skin, and the second sub-mode has the function of applying AC stimulation to the skin.

[0160] In this case, the two sub-modes (ie, the first sub-mode and the second sub-mode) of the second combined mode M12 can be used as described above. Figure 5 The control system 100 is implemented simultaneously, which is the same as the situation described in the first combination mode M11. In addition, the infiltration mode M1 and the high-frequency mode M3 in the second combination mode M12 can be applied simultaneously, or can be applied once respectively in time division, or can be applied alternately and repeatedly, which is also the same as the situation described in the first combination mode M11.

[0161] In the penetration mode M1 of the second combination mode M12, all of the plurality of peripheral electrodes 33 constituting the second electrode group may be used simultaneously. In this case, an output waveform having the effect of penetrating the active ingredient into the skin is applied to the user's skin via each pair. Figure 8 In the example shown, two of the three edge electrodes 33 with the same phase of the AC waveform (electrodes corresponding to the "+" in the circle) can be paired with other edge electrodes 33 (electrodes corresponding to the "-" in the circle) (i.e., a total of two pairs can be formed).

[0162] The output waveform of the penetration mode M1 of the second combination mode M12 is an AC waveform, and the frequency of the output waveform of the penetration mode M1 of the second combination mode M12 is preferably greater than 10 kHz and less than 500 kHz, and more preferably greater than 10 kHz and less than 150 kHz. The frequency of the output waveform of the penetration mode M1 of the second combination mode M12 is preferably lower than the frequency of the output waveform of the high-frequency mode M3 of the second combination mode M12.

[0163] In the high frequency mode M3 of the second combination mode M12, all of the plurality of electrodes 30 constituting the first electrode group can be used simultaneously. In this case, an output waveform having the effect of applying AC stimulation to the user's skin is applied via each pair. Figure 8 In the illustrated example, for the plurality of electrodes 30 , each of the inner electrodes 31 (electrodes corresponding to the circled “+”) having the same phase of the AC waveform may be paired with the outer electrode 32 (electrodes corresponding to the circled “−”).

[0164] The output waveform of the high frequency mode M3 of the second combination mode M12 is a high frequency AC waveform, and the frequency of the output waveform of the high frequency mode M3 of the second combination mode M12 is preferably greater than 100 kHz and less than 250 kHz, and more preferably greater than 150 kHz and less than 200 kHz. The frequency of the output waveform of the high frequency mode M3 of the second combination mode M12 is preferably higher than the frequency of the output waveform of the infiltration mode M1 of the second combination mode M12.

[0165] The duration of the second combination mode M12 is preferably between 4 seconds and 12 seconds, more preferably between 6 seconds and 10 seconds, and most preferably about 8 seconds. The duration of the second combination mode M12 may be shorter than the duration of the first combination mode M11.

[0166] When the duration of an entire operation mode A1 is, for example, about 45 seconds, the total duration of the first combination mode M11 and the duration of the second combination mode M12 in an operation mode A1 is preferably 15 seconds or more and 30 seconds or less, more preferably 20 seconds or more and 30 seconds or less. That is, the ratio of the duration of an entire operation mode A1 to the total duration of the first combination mode M11 and the duration of the second combination mode M12 is preferably 1 / 3 or more and 2 / 3 or less, more preferably 4 / 9 or more and 2 / 3 or less.

[0167] In the muscle electrical stimulation mode M4, all of the plurality of peripheral electrodes 33 constituting the second electrode group can be used simultaneously. In this case, a high-frequency or low-frequency output waveform having a muscle electrical stimulation effect is applied to the user's skin via each pair. Figure 8 In the example shown, two of the three edge electrodes 33 with the same phase of the AC waveform (electrodes corresponding to the "+" in the circle) can be paired with other edge electrodes 33 (electrodes corresponding to the "-" in the circle) (i.e., a total of two pairs can be formed).

[0168] The output waveform of the muscle electrical stimulation pattern M4 is an AC waveform, and the frequency of the output waveform of the muscle electrical stimulation pattern M4 is preferably greater than or equal to 10 kHz and less than or equal to 500 kHz.

[0169] The duration of the muscle electrical stimulation mode M4 is preferably between 4 seconds and 12 seconds, more preferably between 6 seconds and 10 seconds, and most preferably around 8 seconds.

[0170] In addition, the output mode after the second combination mode M12 is not limited to Figure 8 The muscle electrical stimulation mode M4 as shown in the example may also be performed in other types of output modes. For example, after the second combination mode M12, the penetration mode M1 may be performed by using all electrodes of the plurality of electrodes 30 constituting the first electrode group and the plurality of outer edge electrodes 33 constituting the second electrode group at the same time, similarly to the penetration mode M1 in the repetition mode M9. The output waveform of the penetration mode M1 performed after the second combination mode M12 is an AC waveform, and the frequency of the output waveform is preferably greater than 10 kHz and less than 500 kHz, and more preferably greater than 10 kHz and less than 150 kHz.

[0171] According to the above, Figure 8The duration of the operation mode A1 shown, specifically, can be considered to be 15 seconds for the first combination mode M11, 14 seconds for the repetition mode M9, 8 seconds for the second combination mode M12, and 8 seconds for the muscle electrical stimulation mode M4 (or other output modes such as the penetration mode M1), for a total of 45 seconds. The operation mode A1 can be repeated two or more times.

[0172] Such operation mode A1 is suitable for penetration of various ingredients such as whitening ingredients (e.g. kojic acid), anti-inflammatory ingredients (e.g. dipotassium glycyrrhizinate), aging ingredients (e.g. tocopherol acetate), etc. Moreover, in operation mode A1, before and after the repetition mode M9 in which the penetration mode M1 and the ion introduction mode M2 ​​are alternately repeated, the first combination mode M11 (i.e., simultaneous or alternating application of the penetration mode M1 and the high-frequency mode M3) and the second combination mode M12 (i.e., simultaneous or alternating application of the penetration mode M1 and the high-frequency mode M3) are executed, so that a better penetration effect can be expected.

[0173] [Custom frequency]

[0174] The frequency of the output waveform of the penetration mode M1 included in the operation mode A1 can also be selected and set by the user according to the type or characteristics of the component to be penetrated (for example, the component contained in the cosmetics or lotion used together when using the skin treatment device 1) as the penetration effect of the active ingredient related to the penetration mode M1. Figure 8 In the example shown, the frequency of the output waveform of at least one of the infiltration mode M1 of the first combination mode M11, the infiltration mode M1 of the repetition mode M9, the infiltration mode M1 of the second combination mode M12, and the infiltration mode M1 when the infiltration mode M1 is performed after the second combination mode M12 can be selected and set by the user. In addition, in an operation mode A1, both the infiltration mode M1 (also called "custom output mode") in which the frequency of the output waveform is selected and set by the user and the infiltration mode M1 in which the frequency of the output waveform is not selected and set by the user can be included.

[0175] Specifically, the frequency of the output waveform of the custom output mode is adjusted according to the type and characteristics of the component to be infiltrated, wherein the frequency range of the output waveform of the preferred infiltration mode M1 is above 10 kHz and below 150 kHz.

[0176] In this case, for example, a plurality of frequencies corresponding to the types of components to be penetrated may be pre-equipped (in other words, stored) in the skin treatment device 1, and the user may select the type of component to be penetrated or the frequency corresponding to the type of component to be penetrated via the user interface 20. The skin treatment device 1 sets and controls the frequency of the output waveform of the penetration mode M1 (i.e., the custom output mode) of the customized object to the frequency corresponding to the type of component selected by the user, or sets and controls the frequency to the frequency selected by the user.

[0177] Alternatively, the skin treatment device 1 may be configured to be able to communicate with a portable information terminal such as a smartphone, and an application for controlling the skin treatment device 1 is installed on the portable information terminal. In this case, by the user selecting the type of ingredient to be infiltrated and selecting the customization of the execution frequency on the application, information (specifically, a control signal for the frequency of the output waveform of the penetration mode M1) is transmitted from the portable information terminal to the skin treatment device 1. Then, the skin treatment device 1 sets and controls the frequency of the output waveform of the penetration mode M1 to be customized (i.e., the custom output mode) according to the information sent from the portable information terminal.

[0178] When the frequency of the output waveform of the infiltration mode M1 is selected and set by the user, the duration of the infiltration mode M1 (i.e., the custom output mode) whose frequency of the output waveform is selected and set by the user (in addition, when an operation mode A1 has multiple custom output modes, the sum of the durations of these custom output modes) preferably accounts for more than 50%, more preferably more than 60%, more preferably more than 70%, and more preferably more than 80% of the overall duration of an operation mode A1.

[0179] [Effect]

[0180] Reference Figures 9 to 12 , the difference in effect due to the difference in duration of the permeation mode M1 and the duration of the ion introduction mode M2 ​​in the repetitive mode M9 will be described.

[0181] In order to verify the difference in effect caused by the difference in duration of the penetration mode M1 and the duration of the iontophoresis mode M2, a verification test on the absorption amount in the stratum corneum was conducted according to the following procedure (referred to as "verification test step").

[0182] 1) First, to confirm skin stability, clean your forearms, let them adapt for 15 minutes, and then measure the amount of water evaporation at the applied areas (5 areas) to confirm if there are any large fluctuations or wounds.

[0183] 2) Next, quantitative measurement is performed through the beauty device processing as shown below.

[0184] 2-1: Drop the sample onto the forearm.

[0185] 2-2: After the treatment in 2-1, the skin treatment device 1 is used to draw a circle on the dropped sample at a speed of 1 rotation per second for a predetermined time.

[0186] 2-3: After the treatment of 2-2, the remaining sample was wiped off with cotton and the skin surface was wiped with cotton soaked in 50% ethanol solution for cleaning.

[0187] 2-4: After treatment 2-3, the stratum corneum of the applied area was peeled off with adhesive tape (keratin tester commercially available under the trade name "D-Squame (registered trademark)"), and the amount of VCPMg (magnesium L-ascorbyl phosphate) contained in the 2nd to 10th tapes was quantified.

[0188] In order to verify the difference in effect caused by the difference in duration of the permeation mode M1 and the duration of the ion introduction mode M2 ​​, the following test conditions T11 to T14 were set.

[0189] Test condition T11 is a condition in which no output waveform is generated from the skin treatment device 1 (hereinafter also referred to as "output non-use condition"). Regarding the above step 2-2, under the condition in which no output is used, the skin treatment device 1 in a power-off state (i.e., the skin treatment device 1 in a state in which no output waveform is generated at all) is used to perform an action of drawing a circle at a speed of 1 rotation per second from above the sample for 60 seconds.

[0190] In the test condition T12, the duration of the penetration mode M1 is 1 second, and the duration of the ion introduction mode M2 ​​is 1 second, and they are alternately performed 30 times, for a total of 60 seconds, to apply the output waveform to the skin. That is, the test condition T12 is a condition in which the duration of the penetration mode M1 and the duration of the ion introduction mode M2 ​​are the same and are each 1 second.

[0191] In the test condition T13, the duration of the penetration mode M1 is set to 1.6 seconds, and the duration of the iontophoresis mode M2 ​​is set to 0.4 seconds, and the output waveform is applied to the skin 30 times, for a total of 60 seconds. The test condition T13 is that the ratio of the duration of the penetration mode M1 to the duration of the iontophoresis mode M2 ​​is 4:1, and the duration of the penetration mode M1 is more than 1 second, and the duration of the iontophoresis mode M2 ​​is less than 1 second.

[0192] In the test condition T14, the duration of the penetration mode M1 is set to 0.3 seconds, and the duration of the ion introduction mode M2 ​​is set to 0.3 seconds, and the output waveform is applied to the skin alternately 100 times for a total of 60 seconds. The test condition T14 is a condition in which the duration of the penetration mode M1 is the same as the duration of the ion introduction mode M2 ​​and each is less than 1 second.

[0193] In the test conditions T12, T13 and T14, the output waveform of the penetration mode M1 is an AC waveform, and the frequency of the output waveform of the penetration mode M1 is 130kHz. In addition, in the test conditions T12, the test conditions T13 and the test conditions T14, the output waveform of the ion introduction mode M2 ​​is a pulsed DC waveform, and the frequency of the output waveform of the ion introduction mode M2 ​​is 1 to 10kHz.

[0194] Fig. 9 This is a diagram comparing the penetration effect of the active ingredient according to the difference in duration of the penetration mode M1 and the duration of the ion introduction mode M2. Fig. 9 , the vertical axis represents the absorption amount β [μg] in the stratum corneum associated with the 2nd to 10th tapes (i.e., the sum of the 2nd to 10th tapes; the same below), and various test conditions T11 to T14 correspond to the horizontal axis, and represent the absorption amount in the stratum corneum of test conditions T11 to T14, respectively.

[0195] from Fig. 9 It can be confirmed that in the case of test condition T12, a higher penetration effect can be expected compared with other test conditions T11, T13, and T14. That is, as shown in test condition T12, the duration of penetration mode M1 and the duration of ion introduction mode M2 ​​are set to be the same, and are set to 1 second respectively. It can be seen that the effect related to ion introduction mode M2 ​​can further enhance the effect related to penetration mode M1, thereby expecting a higher penetration effect.

[0196] In order to verify the difference in effect caused by the duration of the penetration mode M1 and the duration of the ion introduction mode M2, the following test conditions T21 and T22 were set. Then, according to the above verification test procedure, a verification test of the absorption amount in the stratum corneum was performed.

[0197] In the test condition T21, the duration of the penetration mode M1 is 1 second, and the duration of the ion introduction mode M2 ​​is 1 second, and the output waveform is applied to the skin alternately for 30 times, for a total of 60 seconds. That is, the test condition T21 is a condition in which the duration of the penetration mode M1 and the duration of the ion introduction mode M2 ​​are the same, and each is 1 second.

[0198] In the test condition T22, the duration of the penetration mode M1 is 2 seconds, and the duration of the ion introduction mode M2 ​​is 2 seconds, and the output waveform is applied to the skin alternately 15 times for a total of 60 seconds. That is, the test condition T22 is a condition in which the duration of the penetration mode M1 and the duration of the ion introduction mode M2 ​​are the same, and each is 2 seconds.

[0199] In the test conditions T21 and T22, the output waveform of the penetration mode M1 is an AC waveform, and the frequency of the output waveform of the penetration mode M1 is 130 kHz. In addition, in the test conditions T21 and T22, the output waveform of the ion introduction mode M2 ​​is a pulsed DC waveform, and the frequency of the output waveform of the ion introduction mode M2 ​​is 1 to 10 kHz.

[0200] Fig.10 This is a graph comparing the penetration effect of the active ingredient according to the duration of the penetration mode M1 and the duration of the ion introduction mode M2. Fig.10 In the graph, the vertical axis represents the absorption amount β [μg] in the stratum corneum of the 2nd to 10th tapes, and the horizontal axis represents the various test conditions T21 and T22, and represents the absorption amount in the stratum corneum of the test conditions T21 and T22, respectively.

[0201] from Fig.10 It can be confirmed that in the case of test condition T21, a higher penetration effect can be expected compared with test condition T22. That is, as shown in test condition T21, by setting the duration of penetration mode M1 and the duration of ion introduction mode M2 ​​to 1 second respectively, the effect related to ion introduction mode M2 ​​can further improve the effect related to penetration mode M1, and a higher penetration effect can be expected.

[0202] In addition, in order to verify the difference in effect corresponding to the difference in the frequency of the output waveform (specifically, the AC waveform) of the penetration mode M1 in the first combination mode M11 or the second combination mode M12 (i.e., the combination mode of the penetration mode M1 and the high-frequency mode M3), the following test conditions T31 to T33 were set. And, according to the above-mentioned verification test steps, a verification test of the absorption amount in the stratum corneum was performed.

[0203] In test condition T31, the frequency of the output waveform (specifically, AC waveform) from the plurality of outer edge electrodes 33 constituting the second electrode group of the penetration mode M1 is 70 kHz. Similarly, it is 130 kHz in test condition T32 and 180 kHz in test condition T33.

[0204] In any of the test conditions T31, T32 and T33, the frequency of the output waveform (specifically, AC waveform) from the plurality of electrodes 30 constituting the first electrode group of the high-frequency mode M3 was 165 kHz. In addition, the infiltration mode M1 and the high-frequency mode M3 were applied simultaneously for 60 seconds.

[0205] Fig.11 This is a diagram comparing the penetration effect of the active ingredient caused by the difference in frequency of the output waveform (AC waveform) of the penetration mode M1 in the first combination mode M11 or the second combination mode M12. Fig.11 In the graph, the vertical axis represents the absorption amount β [μg] in the stratum corneum of the 2nd to 10th tapes, and the horizontal axis represents various test conditions T31 to T33, and represents the absorption amount in the stratum corneum of the test conditions T31 to T33, respectively.

[0206] from Fig.11 It can be confirmed that in the case of test conditions T31 and test conditions T32, a higher penetration effect can be expected compared to other test conditions T33. That is, as shown in test conditions T31 and test conditions T32, by setting the frequency of the output waveform (AC waveform) of the penetration mode M1 in the first combination mode M11 and the second combination mode M12 to 10 kHz or more and 150 kHz or less, a higher penetration effect can be expected. In addition, it can be seen that the lower the frequency of the output waveform (AC waveform) of the penetration mode M1 in the first combination mode M11 or the second combination mode M12, the higher the penetration effect can be expected.

[0207] In addition, in order to verify the difference in effect corresponding to the difference in the frequency of the output waveform (specifically, the AC waveform) of the high-frequency mode M3 in the first combination mode M11 or the second combination mode M12 (i.e., the combination mode of the penetration mode M1 and the high-frequency mode M3), the following test conditions T41 and T42 were set. And, according to the above-mentioned verification test steps, a verification test of the absorption amount in the stratum corneum was performed.

[0208] In the test condition T41, the frequency of the output waveform (specifically, the AC waveform) from the plurality of electrodes 30 constituting the first electrode group of the high-frequency mode M3 is 165 kHz, and similarly, it is 3000 kHz in the test condition T42.

[0209] In either test condition T41 or test condition T42, the frequency of the output waveform (specifically, AC waveform) from the plurality of outer edge electrodes 33 of the second electrode group constituting the penetration mode M1 was 130 kHz. In addition, the penetration mode M1 and the high frequency mode M3 were simultaneously applied for 60 seconds.

[0210] Fig.12This is a diagram comparing the penetration effect of the active ingredient caused by the difference in the frequency of the output waveform (AC waveform) of the high-frequency mode M3 in the first combination mode M11 or the second combination mode M12. Fig.12 In the graph, the vertical axis represents the absorption amount β [μg] in the stratum corneum of the 2nd to 10th tapes, and the horizontal axis represents the various test conditions T41 and T42, and represents the absorption amount in the stratum corneum of the test conditions T41 and T42, respectively.

[0211] from Fig.12 It can be confirmed that in the case of test condition T41, a higher penetration effect can be expected compared with test condition T42. That is, it can be seen that as in test condition T41, by setting the frequency of the output waveform (AC waveform) of the high-frequency mode M3 in the first combination mode M11 or the second combination mode M12 to 150 kHz or more and 200 kHz or less, a high penetration effect can be expected.

[0212] [Output waveform]

[0213] Next, refer to Figures 13 to 17 , preferred examples of output waveforms associated with various modes such as the above-mentioned penetration mode M1 are described.

[0214] Fig.13 FIG. 2 shows a preferred example of the output waveform of the infiltration mode M1. Fig.13 The output waveform (time series waveform) of the penetration mode M1 is shown in FIG. 1 , when the horizontal axis represents time and the vertical axis represents voltage value. Fig.13 , ΔT1 represents an interval (range) corresponding to one cycle of the output waveform.

[0215] In this embodiment, the output waveform of the penetration mode M1 is an AC waveform and has multiple peak voltage values ​​during a half period (ΔT / 2). In this case, the multiple peak voltage values ​​include a first peak voltage value Vp1 and one or more second peak voltage values ​​Vp2.

[0216] The first peak voltage value Vp1 is the peak voltage value that appears first in the half cycle, and the second peak voltage value Vp2 appears after the first peak voltage value Vp1 and is smaller than the first peak voltage value Vp1. Fig.13 As shown, a plurality of second peak voltage values ​​Vp2 can be generated in a gradually decreasing manner. The second peak voltage value Vp2 is preferably less than half the magnitude of the first peak voltage value Vp1.

[0217] The frequency of the output waveform in the penetration mode M1 is preferably 10 kHz to 500 kHz, more preferably 10 kHz to 150 kHz. The frequency of the output waveform in the penetration mode M1 is preferably lower than the frequency of the output waveform in the high-frequency mode M3.

[0218] FIG. 13A to FIG. 13C Shows that it can be replaced Fig.13 Other output waveforms of the output waveform of the infiltration mode M1 are shown. Fig.13D yes Fig. 13C An enlarged view of the Q6 portion of FIG. Fig.13A and Fig. 13C The example shown is similar to Fig.13 The main difference of the output waveform shown is that there is no second peak voltage value Vp2. In this case, the voltage value of the output waveform of half a cycle changes from the first peak voltage value Vp1 in a manner that maintains a substantially constant value (substantially constant voltage value). In this case, the substantially constant value may also be the same level as the second peak voltage value Vp2. Alternatively, as Fig. 13C As shown in FIG. 1 , the approximately constant value may be a level slightly smaller than the second peak voltage value Vp2. In this case, in the peak waveform of the first peak voltage value Vp1, an effect similar to electroporation is achieved, and in the subsequent electrical stimulation (in the interval of the approximately constant value), an effect of promoting penetration can be expected. In addition, the approximately constant value is allowed to be Fig.13D The relatively small sawtooth waveform shown produces an error concept, such as the concept that allows the error to be within 10% of the corresponding constant value. Fig.13D In , BVp1 represents the magnitude (amplitude) of the first peak voltage value Vp1, and δ represents the variation range of a substantially constant value. Fig.13D Yes Description Fig. 13C of approximately constant values, and for Fig.13A Same.

[0219] Fig. 13B The example shown is similar to Fig.13 The difference of the output waveform shown is mainly that the first peak voltage value Vp1 does not appear at the beginning of the half cycle, but appears in the middle. Fig. 13B As shown, the second peak voltage value Vp2 may appear at the beginning of the half cycle. Fig. 13B In the example shown, the first peak voltage value Vp1 appears near the middle of the half cycle, but it may also appear significantly later (for example, at the end) or significantly earlier than the middle. Fig.13A and Fig. 13C The output waveform shown in . That is, Fig.13A and Fig. 13C In the output waveform shown, the first peak voltage value Vp1 does not necessarily have to appear at the beginning of the half cycle, but may appear in the middle or at the end of the half cycle.

[0220] In addition, if Figures 13 to 13CThe various waveforms shown may be waveforms that are substantially symmetrical in the positive and negative directions, but may have a slight offset on the positive or negative side.

[0221] Here, in Figures 13 to 13C In the various waveforms shown, the duration (ΔTVp1) of the first peak voltage value Vp1 is preferably less than 1 / 5 relative to the half cycle (=ΔT / 2), or relative to the remaining time (ΔTVc=ΔT / 2-ΔTVp1) within the half cycle (=ΔT / 2). That is, ΔTVp1≤1 / 5×(ΔT / 2-ΔTVp1). For example, Fig.13 In the example shown, the duration of the first peak voltage value Vp1 (ΔTVp1) is preferably 1 / 5 or less of the duration of the second peak voltage value Vp2 (=ΔTVp2=ΔT / 2-ΔTVp1). Fig. 13B In the example shown, the duration (ΔTVp1) of the first peak voltage value Vp1 is preferably less than 1 / 5 of the total duration of the two second peak voltage values ​​Vp2 (=2×ΔTVp2=ΔT / 2-ΔTVp1). In addition, in these cases, the duration (ΔTVp1) of the first peak voltage value Vp1 can be measured as a period during which the magnitude of the first peak voltage value Vp1 is maintained at or above 80%.

[0222] For such an effect caused by the output waveform of the penetration mode M1, reference will be made later. Fig.18 and the accompanying drawings for explanation.

[0223] However, the output waveform of the penetration mode M1 described below is different from Fig.17 The waveform (waveform characteristics other than frequency) of the output waveform of the high-frequency mode M3 shown in FIG. 1 is significantly different from that of the output waveform of the high-frequency mode M3, but can be generated using the same hardware resources as the output waveform of the high-frequency mode M3. Specifically, the output waveform of the infiltration mode M1 and the output waveform of the high-frequency mode M3 can be generated by Figure 5 The output waveform generating sections 130 and 131 of the control system 100 shown in the figure generate. In this case, in the case of generating the output waveform of the penetration mode M1 and in the case of generating the output waveform of the high frequency mode M3, only the frequencies of the control signals CT1 and CT2 from the control signal generating section 114 are different. That is, in the case of generating the output waveform of the penetration mode M1, the frequencies of the control signals CT1 and CT2 from the control signal generating section 114 correspond to the frequencies of the output waveform of the penetration mode M1, and in the case of generating the output waveform of the high frequency mode M3, the frequencies of the control signals CT1 and CT2 from the control signal generating section 114 correspond only to the frequencies of the output waveform of the high frequency mode M3.

[0224] As described above, in this embodiment, the transformer 136 (the transformer 135 also) has a frequency specification adapted to the frequency of the high frequency mode M3, so for the control signals CT1 and CT2 corresponding to the frequency of the high frequency mode M3, the following can be generated: Fig.17 On the other hand, the transformer 135 (the same applies to the transformer 136) cannot generate a sinusoidal output waveform of the desired frequency (the frequency of the high-frequency mode M3) for the control signals CT1 and CT2 corresponding to the frequency of the output waveform of the penetration mode M1 which is lower than the frequency of the high-frequency mode M3. Fig.17 On the other hand, for the control signals CT1 and CT2 corresponding to the frequency of the output waveform of the penetration mode M1 lower than the frequency of the high-frequency mode M3, the transformer 135 can generate the control signals CT1 and CT2 as shown in FIG. Fig.13 The output waveform of the penetration mode M1 is shown.

[0225] Therefore, according to this embodiment, there is no need for generating Fig.13 The special hardware resources for the output waveform of the penetration mode M1 shown can also generate Fig.13 That is, according to this embodiment, the hardware resources used to generate the output waveform of the high-frequency mode M3 can be used to generate the output waveform of the high-frequency mode M1. Fig.13 The output waveform of the penetration mode M1 is shown in FIG. As a result, the type of component changes in the control system 100 can be controlled within a minimum range, and the control system 100 can generate the following waveforms: Fig.13 Various output waveforms (output waveforms having various functions described above or later) of the output waveform of the penetration mode M1 are shown.

[0226] In addition, in a modified example, the second electrode group (specifically, a plurality of outer edge electrodes 33) or in addition to the second electrode group may be replaced by the first electrode group (specifically, a plurality of inner electrodes 31 and outer electrodes 32) to generate a Fig.13 In addition, the output waveform of the penetration mode M1 can be generated by replacing the first electrode group (specifically, the plurality of inner electrodes 31 and the outer electrode 32) or by using the second electrode group (specifically, the plurality of outer edge electrodes 33) in addition to the first electrode group. Fig.17 In this case, a common driving circuit unit and an output waveform generating unit (for example, in the case of the second electrode group, Figure 5 The driving circuit section 120 and the output waveform generating section 130) can selectively generate the following waveforms by simply changing the frequencies of the control signals CT1 and CT2: Fig.13 The output waveform of the penetration mode M1 shown and Fig.17The output waveform of the high frequency mode M3 is shown. Therefore, various output waveforms (output waveforms having various functions described above or below) can be applied through various electrodes while the circuit scale of the control system 100 is kept to a minimum.

[0227] Fig.14 : is a preferred example of the output waveform of the ion introduction mode M2. Fig.14 The output waveform (time series waveform) of the ion introduction mode M2 ​​is shown in FIG. 1 , when the horizontal axis represents time and the vertical axis represents voltage value. Fig.14 , ΔT2 represents an interval (range) corresponding to one cycle of the output waveform.

[0228] In the ion introduction mode M2, a continuous waveform with periodic changes is generated at least twice within a duration. In this embodiment, the output waveform of the ion introduction mode M2 ​​is a pulsed DC waveform. Fig.15 The polarity-reversed waveform shown is replaced by Fig.14 The waveform shown.

[0229] The frequency of the output waveform in the ion introduction mode M2 ​​is defined so as to generate at least two pulsed direct current waveforms within one duration, and is preferably 1.5 kHz or more and 10 kHz or less.

[0230] The output waveform of the ion introduction mode M2 ​​may also be composed of a plurality of pulse-shaped DC waveforms with the same amplitude (voltage value), but preferably includes one or more specific pulses with an amplitude (voltage value) significantly larger than the others. Fig.16 An example of the output waveform of the ion introduction mode M2 ​​containing only one specific pulse PL2 within a duration is shown in FIG. The specific pulse generates a transient hole (electroporation) in the skin through pulse stimulation, and has the function of enhancing the effect of the ion introduction mode M2. In the output waveform of the ion introduction mode M2, the specific pulse may have a different frequency in addition to the amplitude (the magnitude of the voltage value) relative to the pulses other than the specific pulse (hereinafter referred to as "intermediate pulses" for the sake of distinction). For example, the peak voltage value of the intermediate pulse is less than 10V, and the frequency is greater than 1.5kHz and less than 10kHz. In contrast, the specific pulse may have a peak voltage value of greater than 10V and a low frequency of greater than 2Hz and less than 10Hz.

[0231] In addition, in order to enhance the function of the mediating pulse that has the effect of pushing the active ingredient into the deep layer by applying high pressure (mediation), it is useful to apply the mediating pulse immediately after applying the specific pulse that has the function of generating temporary pores in the skin by pulse stimulation. This is because temporary pores tend to close quickly.

[0232] In this regard, according to Fig.16 In the output waveform shown, since the dielectric pulse is generated immediately after the specific pulse is applied, the effect of the ion introduction mode M2 ​​can be effectively improved.

[0233] Fig.17 is a diagram showing a preferred example of the output waveform of the high frequency mode M3. Fig.17 The output waveform (time series waveform) of the high frequency mode M3 is shown in FIG. 1 when the horizontal axis represents time and the vertical axis represents voltage value. Fig.17 , ΔT3 represents an interval (range) corresponding to one cycle of the output waveform.

[0234] The output waveform of the high-frequency mode M3 is a high-frequency AC waveform, and the frequency of the output waveform of the high-frequency mode M3 is preferably 100 kHz to 250 kHz, more preferably 150 kHz to 200 kHz. The frequency of the output waveform of the high-frequency mode M3 is preferably higher than the frequency of the output waveform of the infiltration mode M1.

[0235] [Effect]

[0236] Next, refer to Fig.18 and the accompanying drawings, Fig.13 (or FIG. 13A to FIG. 13C , the same below) is used to illustrate the effect of the output waveform of the penetration mode M1 shown.

[0237] Fig.18 This graph compares the penetration effects of active ingredients produced by various output waveforms. Fig.18 The left side of the figure shows that the vertical axis represents the absorption amount β [μg] in the horn layer related to the 2nd to 5th tapes, and the horizontal axis represents various test conditions C1 to C5, and represents the absorption amount in the horn layer of each test condition C1 to C5. Fig.18 In the right graph, the vertical axis represents the absorption amount β [μg] in the stratum corneum for the 6th to 10th tapes, and the horizontal axis represents the various test conditions C1 to C5, and represents the absorption amount in the stratum corneum for the test conditions C1 to C5, respectively.

[0238] Test condition C1 corresponds to a condition where no output waveform is generated from the skin treatment device 1 (hereinafter, also referred to as an "output non-use condition"). Test conditions C2 to C5 are conditions where the skin treatment device 1 is used. Test condition C2 corresponds to a condition where only the output waveform of the high-frequency mode M3 is applied to the skin. Test condition C3 corresponds to a condition where only the output waveform of the ion introduction mode M2 ​​is applied to the skin. Fig.14 The test condition C4 corresponds to the condition where only the output waveform of the ion introduction mode M2 ​​( Fig.15The condition where the output waveform on the negative side shown in FIG. 1 is applied to the skin. In addition, the test condition C5 corresponds to the condition where Fig.13 The condition shown is that only the output waveform of the penetration mode M1 is applied to the skin.

[0239] This test was carried out in the following order.

[0240] 1) First, to confirm skin stability, after cleaning the forearm, let it adapt for 15 minutes, and then measure the amount of water evaporation in the applied area (5 areas) to confirm whether there are large fluctuations in the value or wounds.

[0241] 2) Next, quantitative measurement is performed through the beauty device processing as shown below.

[0242] 2-1: Drop the sample onto the forearm.

[0243] 2-2: After the treatment in 2-1, the skin treatment device 1 was used to draw a circle on the dripped sample at a speed of 1 rotation per second for 1.5 minutes. In addition, under the output non-use condition, the skin treatment device 1 in the power-off state (i.e., the skin treatment device 1 in the state where no output waveform is generated) was used to perform the same action.

[0244] 2-3: After the treatment of 2-2, the remaining sample was wiped off with cotton and the skin surface was wiped with cotton soaked in 50% ethanol solution for cleaning.

[0245] 2-4: After treatment 2-3, the stratum corneum of the applied area was peeled off with an adhesive tape (keratin tester commercially available under the trade name "D-Squame (registered trademark)"), and the amount of VCPMg (L-ascorbyl magnesium phosphate) contained in each of the 2nd to 5th tapes and the 6th to 10th tapes was quantified.

[0246] In addition, in this test, the electrical influence of the skin treatment device 1 was taken into consideration and the test was carried out from the test condition C1.

[0247] like Fig.18 As shown, according to Fig.13 The output waveform of the penetration mode M1 shown is expected to achieve significantly higher penetration effects compared to the output waveforms of the other modes, whether it is the 2nd to 5th tapes or the 6th to 10th tapes.

[0248] Here, there are substances suitable for ion introduction and ion extraction and substances unsuitable for ion introduction and extraction. Fig.13 The output waveform of the penetration mode M1 shown is clear from all the component characteristics shown in the table below, and a high penetration effect can be expected.

[0249] [Table 1]

[0250] Ingredient properties Water-soluble low molecular weight - easy to carry positive charge Water-soluble low molecular weight - easily negatively charged Water-soluble low molecular weight - no charge Polymers - Positively charged Polymers - easily negatively charged Polymer-No Charge Oil-soluble substances-easy to be positively charged Oil-soluble substances-easy to be negatively charged Oil soluble substances - no charge

[0251] Fig.19 It is based on Fig.13 This is an explanatory diagram for explaining the difference in effect caused by the difference in the frequency of the output waveform of the penetration mode M1 shown. Fig.19 As shown in the figure, the vertical axis represents the absorption amount β [μg] in the stratum corneum, and the horizontal axis corresponds to various test conditions C10 to C12 and C1, and the absorption amount in the stratum corneum in the test conditions C10 to C12 and C1 is divided into the absorption amount in the stratum corneum involved in the 2nd to 5th tapes (reference symbol 2301), the absorption amount in the stratum corneum involved in the 6th to 10th tapes (reference symbol 2302) and their total (absorption amount in the stratum corneum involved in the 2nd to 10th tapes) (reference symbol 2303).

[0252] Test conditions C10 to C12 correspond to the conditions where the frequencies of the output waveform of the penetration mode M1 are 50kHz, 70kHz, and 156kHz, respectively, and test condition C1 is the above-mentioned output non-use condition (the condition where the output waveform is not generated from the skin treatment device 1). In addition, the test sequence is as described above. Fig.18 described.

[0253] like Fig.19 As shown, according to Fig.13 The output waveform of the penetration mode M1 shown in the figure shows that effective results were obtained at any frequency compared to the results related to the test condition C1. In addition, regarding the frequency of the output waveform of the penetration mode M1, it can be confirmed that the lower the frequency, the tendency of the absorption in the stratum corneum to slightly increase.

[0254] Fig. 20 It is based on Fig.13 This is an explanatory diagram for explaining the difference in effect caused by the difference in current value of the output waveform of the penetration mode M1 shown. Fig. 20 As shown in the figure, the vertical axis represents the absorption amount β [μg] in the stratum corneum, and the horizontal axis corresponds to various test conditions C20, C21 and C1, and the absorption amount in the stratum corneum in the test conditions C20, C21 and C1 is divided into the absorption amount in the stratum corneum involved in the 2nd to 5th tapes (reference symbol 2301), the absorption amount in the stratum corneum involved in the 6th to 10th tapes (reference symbol 2302) and their total (absorption amount in the stratum corneum involved in the 2nd to 10th tapes) (reference symbol 2303).

[0255] Test conditions C20 and C21 correspond to the condition where the output waveform frequency of the penetration mode M1 is 70 kHz. Test condition C20 has the same conditions as test condition C21 except that the current value is twice that of test condition C21. In addition, test condition C1 is the above-mentioned output non-use condition.

[0256] like Fig. 20 As shown, it can be confirmed that the higher the current value, the more absorption in all layers. Specifically, when the current value is doubled (test condition C20 relative to test condition C21), the absorption is 1.5 times. This shows that at the same frequency, the higher the current value, the greater the absorption.

[0257] Fig.21 It is based on Fig.13 This is an explanatory diagram for explaining the difference in effect caused by the difference in the use time of the output waveform of the penetration mode M1 shown. Fig.21 As shown in the figure, the vertical axis represents the absorption amount β [μg] in the stratum corneum, and the horizontal axis corresponds to various test conditions C30, C31 and C1, and the absorption amount in the stratum corneum in the test conditions C30, C31 and C1 is divided into the absorption amount in the stratum corneum involved in the 2nd to 5th tapes (reference symbol 2301), the absorption amount in the stratum corneum involved in the 6th to 10th tapes (reference symbol 2302) and their total (the absorption amount in the stratum corneum involved in the 2nd to 10th tapes) (reference symbol 2303).

[0258] Test conditions C30 and C31 correspond to the condition that the frequency of the output waveform of the penetration mode M1 is 70 kHz, the use time of test condition C30 is 90 seconds, and the use time of test condition C31 is 15 seconds. In addition, test condition C1 is the above-mentioned output non-use condition.

[0259] like Fig.21 As shown, it can be confirmed that the longer the use time, the tendency of the absorption amount to increase in all layers. Specifically, when the use time is 6 times (relative to the "15 seconds" of test condition C31, 6 times the "90 seconds" of test condition C30"), the absorption amount of the 2nd to 10th tapes is 3.6 times. It can be seen that at the same frequency, the longer the use time, the greater the absorption amount. Therefore, for example, by including the penetration mode M1 in the operation mode A1 and increasing the ratio of the time of the penetration mode M1 to one cycle of the operation mode A1, it can be expected to effectively increase the absorption amount per unit time.

[0260] The above embodiments of the present invention are described, but the specific configuration of the present invention is not limited to the above embodiments, and the above embodiments are also included in the present invention by adding deformation or changes within the scope of the present invention. In addition, all or more of the constituent elements of the above embodiments may be combined.

[0261] For example, in the above-mentioned embodiment, each of the plurality of electrodes 30 forms the shape of the outer peripheral edge of the inner electrode 31 into a regular hexagon, and the shapes of the inner peripheral edge and the outer peripheral edge of the outer electrode 32 are formed into a regular hexagon, but the shape of the outer peripheral edge of the inner electrode 31 and the shape of the inner peripheral edge and the outer peripheral edge of the outer electrode 32 are not limited to regular hexagons, and may be a longitudinal or transverse hexagon, or other regular polygons or longitudinal or transverse polygons with more than a triangle, or a circle or an ellipse. In addition, the shape of the outer peripheral edge of the inner electrode and the shape of the inner peripheral edge of the outer electrode are preferably polygons or ellipses similar to each other, but may also be polygons or ellipses that are not similar to each other.

[0262] In addition, if Fig.13 The output waveform of the penetration mode M1 shown is suitable for promoting the penetration of useful substances contained in skin external preparations, and the purpose of use is arbitrary as long as it is a skin external preparation, such as a drug, a quasi-drug, a cosmetic, and the like. For example, it is effective not only for cosmetics and quasi-drugs, but also for promoting the percutaneous absorption of pharmaceuticals that are decomposed in the liver and do not fully exert their efficacy. In addition, the purpose of use of the percutaneous external preparation is arbitrary, and is not limited to the percutaneous absorption purpose of the external preparation. For example, it can be an analgesic, anti-inflammatory agent, whitening agent, moisturizer, anti-wrinkle agent, anti-inflammatory drug, antibacterial agent, antiviral drug, etc. as the main external preparation.

Claims

1. A skin treatment device, characterized in that: have: a plurality of electrodes capable of contacting the user's skin; a power source electrically connected to the plurality of electrodes; and a control device for realizing output through the plurality of electrodes in a plurality of output modes having output waveform characteristics different from each other, The multiple output modes include a combination mode, The combination mode includes: a first sub-mode, which has the function of penetrating effective ingredients into the skin; and a second sub-mode, which has the function of applying AC stimulation to the skin.

2. The skin treatment device according to claim 1, wherein: The frequency of the output waveform of the first sub-mode is 10 to 150 kHz, and the frequency of the output waveform of the second sub-mode is 150 to 200 kHz.

3. The skin treatment device according to claim 1, wherein: The multiple output modes include a first output mode and a second output mode, The control device implements a continuous switching process including periodically repeating the first output mode and the second output mode.

4. The skin treatment device according to claim 3, wherein: The control device performs the continuous switching process so that the duration of the first output mode and the duration of the second output mode are the same length and both are longer than 1 second.

5. The skin treatment device according to claim 3, wherein: The second effect of the second output mode has a function of enhancing the first effect of the first output mode.

6. The skin treatment device according to claim 1, wherein: The plurality of output modes also include a fourth output mode, which has the effect of allowing the effective ingredients to penetrate into the skin or having an electrical muscle stimulation effect.

7. The skin treatment device according to claim 1, wherein: The plurality of electrodes form a first electrode group and a second electrode group, Each electrode constituting the first electrode group includes inner electrodes arranged in an array and outer electrodes surrounding each of the inner electrodes. The second electrode group includes a plurality of electrodes, and the plurality of electrodes are arranged to surround at least a portion of the first electrode group, In the combination mode, the first sub-mode is implemented by using the second electrode group, and the second sub-mode is implemented by using the first electrode group.

8. The skin treatment device according to claim 6, wherein: The plurality of electrodes form a first electrode group and a second electrode group, Each electrode constituting the first electrode group includes inner electrodes arranged in an array and outer electrodes surrounding each of the inner electrodes. The second electrode group includes a plurality of electrodes, and the plurality of electrodes are arranged to surround at least a portion of the first electrode group, The fourth output mode is achieved by using the second electrode group.

9. A skin treatment device, characterized in that: have: a plurality of electrodes capable of contacting the user's skin; a power source electrically connected to the plurality of electrodes; as well as a control device for achieving output in a plurality of output modes through the plurality of electrodes, In at least one of the plurality of output modes, the frequency of the output waveform is controlled based on information of the coating agent used by the user.

10. The skin treatment device according to claim 9, wherein: The duration of the output mode accounts for more than 50% of the sum of the durations of the multiple output modes.

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