RF electrode cartridge for skin cosmetic treatment including a relay, and handpiece for skin cosmetic treatment including the same

Abstract

The present invention relates to an RF electrode cartridge for skin cosmetic treatment including a relay, and a handpiece for skin cosmetic treatment including the same. The relay that controls the electrical signal applied to the RF electrode is positioned in the RF electrode cartridge, and when the RF electrode cartridge is replaced, the relay, which is a consumable part, can also be replaced at the same time. This means that the handpiece can be used without replacing the main body casing, thereby reducing the hassle and cost of replacing the handpiece main body casing.

Description

[Technical Field]

[0001] The present invention relates to an RF electrode cartridge for skin cosmetic treatment including a relay, and a handpiece for skin cosmetic treatment including the same. More specifically, the present invention relates to an RF electrode cartridge for skin cosmetic treatment including a relay, in which a relay is positioned in the RF electrode cartridge, thereby semi-permanently extending the service life of the handpiece main body casing, and a handpiece for skin cosmetic treatment including the same. [Background technology]

[0002] Generally, a handpiece equipped with an RF electrode is a device that uses an RF (radio frequency) electrode to heat and treat the skin and underlying tissue.

[0003] Handpieces equipped with RF electrodes are used to raise the temperature of the skin to restore it after cryolipolysis treatments for obesity, as well as in skin treatments that heat the skin and underlying tissues to induce collagen contraction and wound healing responses.

[0004] In recent years, with the increasing interest in skin cosmetic treatments, handpieces equipped with RF electrodes have been used in a variety of applications, including skin remodeling / resurfacing, wrinkle removal, and treatment of sebaceous glands, hair follicles, fatty tissue, and spider veins, by inducing collagen contraction or wound healing in the lower dermis.

[0005] The handpiece equipped with an RF electrode includes an RF electrode cartridge including an RF electrode body that contacts the patient's skin, and a handpiece body casing to which the RF electrode cartridge is detachably coupled and which is connected to a control body.

[0006] A handpiece equipped with an RF electrode controls the electrical signal applied to the RF electrode provided on one side of the RF electrode cartridge to realize various patterns according to the type of skin treatment, thereby increasing the effectiveness of the skin treatment.

[0007] For this reason, the handpiece main body casing is provided with a relay for controlling the electrical signal applied to the RF electrode.

[0008] The RF electrode cartridge is a consumable part with a preset number of uses, and is replaced when the preset number of uses is reached.

[0009] Furthermore, the relay provided in the handpiece main body casing is also a consumable item with a preset number of uses, so the handpiece main body casing is also replaced when the number of uses of the relay reaches the preset number of uses.

[0010] However, in conventional handpieces equipped with RF electrodes, the number of times the RF electrode cartridge can be used is preset, and the number of times the relay can be used is also preset, so the RF electrode cartridge and the handpiece main body casing must be replaced periodically, which has the problem of increasing maintenance costs due to replacement costs during use.

[0011] A prior patent related to the present invention is Korean Patent Registration No. 2048384, "RF electrode structure for skin cosmetic treatment using fluid, and handpiece for skin cosmetic treatment including the same" (registered November 19, 2019). Summary of the Invention [Problem to be solved by the invention]

[0012] The object of the present invention is to provide an RF electrode cartridge for skin cosmetic treatment that includes a relay, in which a relay that controls the electrical signal applied to the RF electrode is located in the RF electrode cartridge, so that the relay, which is a consumable part, can be replaced when the RF electrode cartridge is replaced, and a handpiece for skin cosmetic treatment that includes the same.

[0013] Another object of the present invention is to provide an RF electrode cartridge for skin cosmetic treatment including a relay, which is equipped with a vibration motor to minimize pain during skin treatment and improve treatment effects, and a handpiece for skin cosmetic treatment including the same.

[0014] Another object of the present invention is to provide an RF electrode cartridge for skin cosmetic treatment that includes a relay, and a handpiece for skin cosmetic treatment that includes the same, which enables safe and easy treatment because electrical power is not applied to the RF electrode body unless the RF electrode cartridge in contact with the skin is pressed. [Means for solving the problem]

[0015] In order to achieve the above object, one embodiment of an RF electrode cartridge for skin cosmetic treatment including a relay according to the present invention is characterized by including a cartridge casing, an RF electrode body located on one side of the cartridge casing and in contact with the skin to apply RF energy into the skin, a relay mounted within the cartridge casing and electrically connected to the RF electrode body to control the operation of the RF electrode body, and a relay first connection terminal portion for electrically connecting the relay to a control body.

[0016] In order to achieve the above object, one embodiment of a handpiece for skin cosmetic treatment according to the present invention comprises an RF electrode cartridge including an RF electrode body that contacts the skin, and a handpiece main body casing to which the RF electrode cartridge is detachably coupled and which is connected to a control main body, wherein the RF electrode cartridge is an embodiment of an RF electrode cartridge for skin cosmetic treatment that includes a relay according to the present invention. [Effects of the Invention]

[0017] In the present invention, a relay that controls the electrical signal applied to the RF electrode is located in the RF electrode cartridge, and when the RF electrode cartridge is replaced, the relay, which is a consumable part, is also replaced at the same time, meaning that the handpiece can be used without replacing the handpiece main body casing, thereby reducing the hassle and expense associated with replacing the handpiece main body casing.

[0018] The present invention has the advantage of including a vibration motor to minimize pain during skin treatment and improve the effectiveness of treatment.

[0019] The present invention has the effect of enabling safe and simple treatment and improving safety during treatment, since electrical power is not applied to the RF electrode body unless the RF electrode cartridge in contact with the skin is pressed. [Brief explanation of the drawings]

[0020] [Figure 1] 1 is a perspective view showing one embodiment of a handpiece for cosmetic skin treatment according to the present invention; [Figure 2] 1 is a perspective view of one embodiment of an RF electrode cartridge for cosmetic skin treatment including a relay according to the present invention; FIG. [Figure 3] 1 is a cross-sectional view of one embodiment of an RF electrode cartridge for cosmetic skin treatment including a relay according to the present invention. [Figure 4] 1 is an exploded perspective view showing one embodiment of a handpiece for cosmetic skin treatment according to the present invention. [Figure 5] 1 is a cross-sectional view showing one embodiment of a handpiece for cosmetic skin treatment according to the present invention. [Figure 6] 1 is a plan view of an RF electrode cartridge for cosmetic skin treatment in one embodiment of a handpiece for cosmetic skin treatment according to the present invention. FIG. [Figure 7] 1 is a bottom view of a handpiece main body casing in one embodiment of a handpiece for cosmetic skin treatment according to the present invention. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0021] The present invention will be described in further detail below.

[0022] A preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings as follows. Prior to a detailed description of the present invention, the terms and phrases used in the following specification and claims should not be interpreted in a limited manner to their ordinary or dictionary meanings. Therefore, it should be understood that the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent the entire technical concept of the present invention. Therefore, it should be understood that there may be various equivalents and modifications that can replace them at the time of filing this application.

[0023] FIG. 1 is an exploded perspective view showing one embodiment of a handpiece for skin cosmetic treatment according to the present invention. This embodiment of the handpiece for skin cosmetic treatment according to the present invention includes an RF electrode cartridge including an RF electrode body 120 that contacts the skin, and a handpiece body casing 200 to which the RF electrode cartridge is detachably coupled and which is connected to a control body.

[0024] One embodiment of a skin cosmetic treatment handpiece equipped with an RF electrode cartridge 100 for skin cosmetic treatment including a relay according to the present invention includes an RF electrode cartridge 100 including an RF electrode body 120 that contacts the skin, and a handpiece body casing 200 to which the RF electrode cartridge 100 is detachably coupled and which is connected to a control body.

[0025] The handpiece main body casing 200 is connected to the control main body via a connection cable 10, and the control main body has a well-known configuration including an RF signal generator that applies electrical power to the RF electrode body 120 and applies AC power to generate an RF signal, and can be implemented in various modifications, so further detailed explanation will be omitted.

[0026] The electrode assembly 120 includes a plurality of electrode members, and selectively applies an electrical power source to the plurality of electrode members to enable efficient treatment depending on the type of skin treatment and the patient's skin condition.

[0027] That is, the control body (not shown) selectively applies electrical power to the plurality of electrode members, and has a plurality of treatment modes in which the power is applied differently from one another. When the practitioner selects one of the treatment modes, electrical power can be applied to the plurality of electrode members in a predetermined operating sequence.

[0028] Meanwhile, a skin cosmetic treatment handpiece equipped with an RF electrode cartridge 100 for skin cosmetic treatment including a relay according to the present invention is held by the practitioner in his / her hand and brings the RF electrode body 120 into contact with the skin. When the RF signal generating unit in the control body applies AC power to the RF electrode body 120 to generate an RF signal, the dermis within the skin is heated, thereby treating the skin or inducing a cosmetic effect.

[0029] In this case, an RF electrode panel body (not shown) having an area larger than that of the RF electrode body 120 may be located on the opposite side of the handpiece for skin cosmetic treatment equipped with the RF electrode cartridge 100 for skin cosmetic treatment including the relay according to the present invention.

[0030] The RF electrode panel is a well-known structure that applies an RF signal to heat the dermis in the skin, thereby treating the skin or inducing a cosmetic effect, and therefore further detailed description thereof will be omitted.

[0031] That is, the skin cosmetic treatment handpiece according to the present invention can perform skin remodeling / resurfacing, wrinkle removal, and treatment of sebaceous glands, hair follicles, fatty tissue, and spider veins by applying an RF relaxation signal to the skin while the RF electrode body 120 is in contact with the skin and heating the tissue inside the skin, thereby contracting collagen in the lower dermis or causing a wound healing reaction.

[0032] The RF electrode cartridge 100 is a consumable item that is replaced after a predetermined period of use for treatment and reaches the end of its life and is no longer usable for skin treatment. The RF electrode cartridge 100 is detachably connected to the handpiece body casing 200.

[0033] At the tip of the handpiece main body casing 200, a cartridge insertion section 200b is located, into which a portion of the RF electrode cartridge 100 is inserted and coupled.

[0034] The RF electrode cartridge 100 is inserted into the cartridge insertion portion 200b and coupled to the cartridge coupling block 210 located in the cartridge insertion portion 200b, and is locked by the cartridge lock portion 130 at the final coupling position to complete the coupling.

[0035] The cartridge locking unit 130 is a button-type locking unit located on both sides of the cartridge casing 110. A wedge portion that engages the cartridge connecting block 210 is located on the elastically supported button portion, and the lock is released when the button portion is pressed. This is a well-known configuration, and further detailed explanation will be omitted.

[0036] FIG. 2 is a perspective view showing one embodiment of an RF electrode cartridge for cosmetic skin treatment including a relay according to the present invention, and more specifically, a perspective view showing the internal structure of the cartridge casing 110. FIG. 3 is a cross-sectional view showing one embodiment of an RF electrode cartridge for cosmetic skin treatment including a relay according to the present invention.

[0037] Hereinafter, one embodiment of an RF electrode cartridge for cosmetic skin treatment including a relay according to the present invention will be described in detail with reference to FIGS.

[0038] The RF electrode cartridge for skin cosmetic treatment including the relay according to the present invention includes a cartridge casing 110 and an RF electrode body 120 located on one side of the cartridge casing 110 and in contact with the skin to apply RF energy into the skin.

[0039] The RF electrode body 120 is located on an electrode attachment surface located on one end side of the cartridge casing 110 .

[0040] The electrode mounting surface of the cartridge casing 110 is the surface that faces the skin of the patient to be treated, i.e., the surface located on the end side that faces the skin when the practitioner holds the handpiece main body casing 200 and performs treatment.

[0041] The RF electrode body 120 may include an RF electrode member 121 that is located on the electrode mounting surface and is made of a conductive material to apply RF energy into the skin, and an insulating film member 122 that covers the surface of the RF electrode member 121.

[0042] The RF electrode body 120 may have a plurality of RF electrode members 121 spaced apart on the electrode mounting surface, and may further include electrode insulating members 121b positioned between the plurality of spaced apart RF electrode members 121 to insulate the plurality of RF electrode members 121.

[0043] The electrode insulating member 121b insulates the plurality of RF electrode members 121 so that electric power can be applied to each RF electrode member 121 independently.

[0044] The electrode insulating members 121b are formed lower than the height of the RF electrode members 121, i.e., are formed between the RF electrode members 121 and lower than the height of the RF electrode members 121, thereby allowing the multiple electrode members 121 to be stably attached to the patient's skin.

[0045] The RF electrode member 121 is integrally attached to the electrode attachment surface as a plating layer or the like, and has a structure that is integral with the cartridge casing 110 and does not deform in rigidity, thereby minimizing the thickness.

[0046] Also, the RF electrode member 121 is, for example, a plated layer that is integrally formed on the electrode mounting surface of the cartridge casing 110 by plating.

[0047] The RF electrode body 120 has a downwardly convex curved surface, but is formed so as to have a curved surface that does not deform when pressed against the skin.

[0048] For example, the surface curvature of the RF electrode body 120 is formed to have a curvature that can maximize the area that comes into contact with the skin when pressed against the skin.

[0049] Furthermore, the RF electrode body 120 has a convex curved surface, i.e., a shape with a uniform curvature in all directions from the center, which allows for uniform distribution of pressure when applying pressure to the skin, and also prevents excessive pressure on the skin at the outer periphery, which could cause pain.

[0050] The RF electrode body 120 is formed to have a curved surface that does not deform when pressed against the skin, maximizing the area that comes into contact with the skin when pressure is applied, and ensuring durability by not deforming during use.

[0051] The electrode mounting surface of the cartridge casing 110 has a downwardly convex curved surface, but is formed to have a curved surface that does not deform when pressed against the skin, so that the RF electrode member 121 formed by plating on the surface can be formed into a downwardly convex curved surface.

[0052] Because the RF electrode body 120 has a convex curved surface, it can be pressed with a small force during treatment and still adhere uniformly to the skin at the treatment site, ensuring convenience for the practitioner and minimizing the inconvenience and pain of the patient during treatment.

[0053] A relay 190 is located inside the cartridge casing 110 and is electrically connected to the RF electrode body 120 to control the operation of the RF electrode body 120 .

[0054] The cartridge casing 110 is also provided with a first relay connection terminal portion 192 for electrically connecting the relay 190 to the control body.

[0055] As an example, the relay first connection terminal portion 192 is located so as to be exposed on the upper surface of the cartridge casing 110, that is, on the upper surface of a second casing portion 110b described later.

[0056] As an example, the relay first connection terminal portion 192 is electrically connected to the relay second connection terminal portion 211 located within the insertion portion of the cartridge insertion portion 200b of the handpiece main body casing 200 described later, and is then electrically connected to the control main body, which will be described in more detail below in the description of an embodiment of the handpiece for skin cosmetic treatment according to the present invention.

[0057] An electrode control board portion 191 on which a relay 190 is mounted is located in the cartridge casing 110, and the electrode control board portion 191 is electrically connected to a relay first connection terminal portion 192 via an electric wire or cable.

[0058] The RF electrode cartridge for skin cosmetic treatment including the relay according to the present invention is a consumable part in which the number of uses, i.e., the number of treatments, by the RF electrode body 120 is preset, and which is replaced when used the preset number of times.

[0059] The relay 190 is a consumable part that has a preset number of uses, although the number of uses is greater than that of the RF electrode body 120.

[0060] The RF electrode assembly 120 comprises a plurality of electrode members, which may include a plurality of relays 190 .

[0061] The relays 190 are provided in a number corresponding to the number of electrode members, and can individually control the electric power applied to each electrode member.

[0062] The RF electrode cartridge for cosmetic skin treatment including the relay according to the present invention is replaced after being used a preset number of times, and at this time, the relay 190 is replaced together.

[0063] If the relay 190 is located in the handpiece body casing 200, the handpiece body casing 200 must be replaced separately from the RF electrode cartridge when the number of uses of the relay 190 is reached, which not only increases costs and causes the hassle of replacement work, but also causes inconvenience such as the device being unable to be used.

[0064] In other words, the RF electrode cartridge for skin cosmetic treatment including the relay of the present invention includes the relay 190, which has a preset number of uses greater than the RF electrode body 120, so that when replacing the relay 190, the relay 190 can also be replaced, and there is no need to replace the handpiece main body casing 200, as compared to when the relay 190 is located in the handpiece main body casing 200.

[0065] Meanwhile, FIG. 4 is an exploded perspective view showing one embodiment of a handpiece for cosmetic skin treatment according to the present invention, and FIG. 5 is a cross-sectional view showing one embodiment of a handpiece for cosmetic skin treatment according to the present invention.

[0066] Hereinafter, one embodiment of an RF electrode cartridge for cosmetic skin treatment including a relay according to the present invention will be described in detail with reference to FIGS.

[0067] The cartridge casing 110 includes a first casing part 110a on one side of which the RF electrode body 120 is located, and a second casing part 110b to which the first casing part 110a is tiltably connected, so that when the RF electrode body 120 moves in contact with the skin, it can be tilted and maintained in contact with the skin.

[0068] The second casing part 110b is a part that is detachably coupled to the handpiece main body casing 200. The second casing part 110b is inserted into the cartridge insertion part 200b of the handpiece main body casing 200, and a casing coupling part that is coupled to the cartridge coupling block 210 is located on one end side of the second casing part 110b.

[0069] The first casing part 110a is connected to the other end of the second casing part 110b in a tiltable manner.

[0070] More specifically, the RF electrode cartridge 100 for skin cosmetic treatment including the relay of the present invention further includes a ball joint portion 140 that connects the first casing portion 110a and the second casing portion 110b and allows the first casing portion 110a to tilt freely within a radius of 360 degrees.

[0071] As an example, the ball joint portion 140 includes a joint support rod member fixed to the other end side of the second casing portion 110b, and a ball body located on the end side of the joint support rod member and rotatably connected to the first casing portion 110a.

[0072] The first casing part 110a has a ball insertion part in which a ball is inserted and positioned rotatably, and the first casing part 110a can freely tilt within a radius of 360 degrees around the ball.

[0073] In addition, one embodiment of the RF electrode cartridge 100 for skin cosmetic treatment including the relay according to the present invention may further include a bellows member 150 having one end connected to the first casing portion 110a and the other end connected to the second casing portion 110b, positioned around the ball joint portion 140, and having a plurality of pleats.

[0074] The bellows member 150 has a plurality of pleats positioned in the length direction of the skin cosmetic treatment handpiece, and the pleats can be freely folded and unfolded to support the tilting movement of the first casing portion 110a.

[0075] The bellows member 150 has one end fixed along the outer periphery of the first casing part 110a and the other end fixed along the outer periphery of the second casing part 110b, thereby surrounding the outside of the centrally located ball joint part 140 at a distance.

[0076] The bellows member 150 surrounds the outside of the ball joint portion 140 at a distance, allowing the first casing portion 110a to tilt freely within a 360-degree radius around the ball body, and covers the space between the first casing portion 110a and the second casing portion 110b to prevent foreign matter from entering the first casing portion 110a and the second casing portion 110b.

[0077] In addition, one embodiment of the RF electrode cartridge 100 for skin cosmetic treatment including the relay of the present invention further includes a bellows support frame member 151 located on the upper end side of the bellows member 150 and formed with a frame structure surrounding the inner circumference of the bellows member 150.

[0078] The bellows support frame member 151 has a frame structure that surrounds the inner periphery of the bellows member 150 and forms a space inside through which the ball joint portion can pass. One example is a square frame structure, but the frame structure can be modified into various other frame shapes depending on the shape of the bellows member 150, i.e., the shape of the connection portion between the first casing portion 110a and the second casing portion 110b.

[0079] Additionally, bellows support frame member 151 has a plurality of frame fixing pins 152 protruding from the outer surface, and bellows member 150 has a plurality of pin insertion portions 150a into which frame fixing pins 152 are inserted.

[0080] The frame fixing pins 152 protrude from the outer surface of each bellows support frame member 151 and are inserted into and connected to the pin insertion portions 150a of the bellows member 150, thereby stably fixing the position of the bellows support frame members 151.

[0081] The bellows support frame member 151 is located on the upper end side of the bellows member 150 connected to the second casing part 110b, and can reinforce the rigidity of the connection part of the bellows member 150, thereby preventing accidents in which the bellows member 150 is deformed or damaged at the connection part between the second casing part 110b and the bellows member 150.

[0082] An embodiment of the RF electrode cartridge 100 for cosmetic skin treatment including a relay according to the present invention may further include a vibration motor unit 160 located within the cartridge casing 110.

[0083] The vibration motor unit 160 is located in the ball joint support unit to which the ball joint unit is connected, and generates vibrations during treatment to provide a massage effect to the skin where the RF electrode body 120 is in close contact, thereby further improving the therapeutic effect and reducing the patient's pain caused by electrical stimulation during treatment.

[0084] The cartridge casing 110 has a cooling space 111 filled with cooling water for cooling the RF electrode body 120 therein, and the RF electrode cartridge 100 for skin cosmetic treatment including the relay according to the present invention includes a first cooling water line unit 170 and a second cooling water line unit 180 that supply cooling water into the cooling space 111 and discharge the cooling water from the cooling space 111 to circulate the cooling water.

[0085] The cooling space 111 is located in the first casing portion 110a where the RF electrode body 120 is located so as to include the electrode mounting surface.

[0086] The first cooling water line portion 170 and the second cooling water line portion 180 are connected to the cooling water circulation line located within the skin cosmetic treatment handpiece when the RF electrode cartridge 100 for skin cosmetic treatment including the relay of the present invention is coupled to the skin cosmetic treatment handpiece.

[0087] The first coolant line section 170 and the second coolant line section 180 are positioned to protrude from the upper side of the cartridge casing 110, and are structured to be connected to the coolant circulation line section 200a of the handpiece main body casing 200 when the casing coupling section is inserted into the cartridge insertion section 200b and coupled to the cartridge coupling block 210.

[0088] The cooling water circulation line section 200a is connected to a cooling water tank located inside the control body. The first cooling water line section 170 and the second cooling water line section 180 are connected to the cooling water tank located inside the control body via the cooling water circulation line section 200a.

[0089] The cooling water is circulated by the operation of a pump through the cooling water circulation line section 200a, the first cooling water line section 170, and the second cooling water line section 180, and then through the cooling water tank and the cooling space 111. During circulation, the cooling water is cooled by a cooling section located in the cooling water circulation line or the cooling water tank, so that the cooling water can be maintained at a constant temperature within the cooling space 111.

[0090] The cooling section may include a known cooling device, such as a radiator or a chiller, that cools the cooling water.

[0091] Also, a temperature sensor 112 for sensing the temperature of the cooling water is located within the cooling space 111, and the temperature sensor senses the cooling water and transmits the temperature information of the cooling water to the control unit within the control body.

[0092] The control unit controls the operation of the pump and cooling unit based on the temperature information of the cooling water transmitted from the temperature sensor, thereby maintaining the temperature of the cooling water in the cooling space 111 at a temperature suitable for cooling the skin during treatment.

[0093] The temperature sensor 112 is located in the cooling space 111 and measures the temperature of the cooling water that actually cools the skin, and maintains the temperature of the cooling water at a temperature suitable for cooling the skin, for example.However, the temperature sensor 112 can also be located and implemented in any position where the temperature of the cooling water can be measured, such as a cooling water circulation line or a cooling water tank.

[0094] The cooling water is discharged from the cooling space 111 by the operation of the pump, passes through the cooling water tank, is cooled by the cooling unit, and then flows back into the cooling space 111, thereby cooling the surface of the skin when the skin is heated by the application of an RF signal.

[0095] In other words, by lowering the temperature of the RF electrode member 121, which becomes heated during treatment, with circulating cooling water, and cooling the surface of the skin during treatment, burns and heat damage to the skin during treatment can be prevented.

[0096] The RF electrode cartridge 100 for skin cosmetic treatment including the relay of the present invention circulates cooling water within the cooling space 111, and the circulating cooling water can continuously and stably cool the skin, and can cool the skin to a uniform, constant temperature, thereby minimizing discomfort caused by skin cooling during skin treatment and improving satisfaction with the treatment.

[0097] Meanwhile, the RF electrode member 121 may be provided with an electrode connection terminal 121a that protrudes upward, is connected to the electrode control board part 191, and is electrically connected to the RF signal generating part of the control main body.

[0098] The electrode connection terminal 121a is connected to an electrode control board section 191, and the electrode control board section 191 is electrically connected to a relay first connection terminal section 192 via an electric wire or a cable.

[0099] The electrode connection terminal 121a is configured to apply AC power to the RF electrode member 121 to generate an RF signal.

[0100] As an example, a plurality of electrode connection terminals 121a are positioned to correspond to a plurality of RF electrode members 121, and the lower ends thereof pass through the cartridge casing 110, i.e., the first casing part 110a, to be connected to the RF electrode members 121.

[0101] Furthermore, the electrode connection terminal 121 a passes through the cooling space 111 and is connected to the upper surface of the cooling space 111 , that is, penetrates the cooling space cover portion 114 and is connected to the electrode control board portion 191 .

[0102] It is also connected to a relay first connection terminal portion 192 via an electrode control board portion 191, and can be electrically connected to the control main body via the relay first connection terminal portion 192.

[0103] The cooling space 111 is provided with a terminal passage through which the electrode connection terminal 121 a passes, and a terminal insulating part 113 that insulates the electrode connection terminal 121 a from the cooling water in the cooling space 111 is located.

[0104] The cooling space 111 has a cooling space cover 114 positioned at an upper side thereof so that a ball coupling part 114a to be coupled with a ball joint protrudes, and has a structure in which the inside is sealed.

[0105] The terminal insulating part 113 is integrally protruded from the bottom surface of the cooling space 111, and its upper end side is integrally connected to the cooling space cover part 114 that seals the top of the cooling space, thereby sealing the cooling space 111. In this structure, the electrode connection terminal 121a penetrates the cooling space 111 and is positioned outside the cooling space 111 so as to be electrically connectable to the control body while being insulated from the cooling water.

[0106] The present invention simplifies the manufacturing process by integrally forming the RF electrode body 120 on the lower surface of the electrode support with a plating layer, thereby reducing manufacturing costs and ensuring economic efficiency.

[0107] Furthermore, the present invention ensures the durability of the RF electrode body 120 by having a fixed shape that does not deform even when pressed by the skin.

[0108] In addition, the present invention can circulate cooling water to cool the surface of the skin that is heated by RF signals and maintain a constant temperature on the skin surface, thereby improving treatment efficiency and minimizing discomfort caused by cooling the skin during treatment, thereby improving satisfaction during treatment.

[0109] On the other hand, Figure 6 is a plan view of an RF electrode cartridge for skin cosmetic treatment in one embodiment of a handpiece for skin cosmetic treatment according to the present invention, and Figure 7 is a bottom view of a handpiece main body casing 200 in one embodiment of a handpiece for skin cosmetic treatment according to the present invention.

[0110] Next, one embodiment of a handpiece for cosmetic skin treatment according to the present invention will be described in detail with reference to FIGS.

[0111] Within the cartridge insertion section 200b located at the tip of the handpiece main body casing 200, a relay second connection terminal section 211 to which the relay first connection terminal section 192 is connected is located, and a cartridge connection block 210 in which a line connection section 212 that connects the first coolant line section 170 and the second coolant line section 180 to the coolant circulation line section 200a is located is movably located.

[0112] The relay first connection terminal portion 192 is electrically connected to the control main body via the relay second connection terminal portion 211 and the connection cable 10.

[0113] When the RF cartridge is inserted into the cartridge insertion portion 200b, the relay first connection terminal portion 192 is connected to the relay second connection terminal portion 211 of the cartridge connection block 210, and the first cooling water line portion 170 and the second cooling water line portion 180 are inserted into the line connection portion 212 of the cartridge connection block 210 and connected to the cooling water circulation line portion 200a.

[0114] The cartridge connecting block 210 is positioned so as to be movable in the length direction of the handpiece main body casing 200 , and a cartridge spring member 220 that elastically supports the cartridge connecting block 210 is positioned within the handpiece main body casing 200 .

[0115] The cooling water circulation line section 200a may be a hose that can be freely bent within the handpiece main body casing 200 with an extra length at least equal to the movement distance of the RF electrode cartridge 100, or may be a hose with a bellows structure that allows the length to be adjusted within the handpiece main body casing 200.

[0116] The cartridge spring member 220, to which the RF electrode cartridge 100 is connected, elastically supports the movable cartridge connecting block 210, thereby cushioning the load applied to the patient when the RF electrode body 120 is pressed against the patient's skin, and pressing the RF electrode cartridge 100 toward the patient's skin with its elastic restoring force, allowing the RF electrode body 120 to be more completely in contact with the patient's skin.

[0117] A cartridge movement guide portion 230 that guides the linear movement of the cartridge connecting block 210 is located within the handpiece main body casing 200 .

[0118] The cartridge movement guide portion 230 may include a movement guide rod portion 231 positioned to protrude from the cartridge connection block 210, and a movement guide block 232 positioned within the handpiece main body casing 200 and through which the movement guide rod portion 231 passes and is movably connected.

[0119] In addition, as an example, a plurality of movement guide rod portions 231 are provided, and at least one of the plurality of movement rod portions is positioned so as to penetrate the cartridge spring member 220, which is a coil spring.

[0120] That is, the cartridge spring member 220 is, for example, a coil spring, through which the movement guide rod portion 231 is positioned, one end side being supported by the cartridge insertion portion 200b, and the other end side being supported by the movement guide block 232, thereby elastically supporting the linear movement of the cartridge connecting block 210 and the RF electrode cartridge 100 connected to the cartridge connecting block 210.

[0121] Meanwhile, the RF electrode cartridge 100 for skin cosmetic treatment including the relay according to the present invention has an electrode on / off switch 115 for turning on and off the electrical power applied to the RF electrode body 120 located on the top surface of the cartridge casing 110, i.e., on the top surface of the second casing part 200b.

[0122] The electrode on / off switch 115 includes a switch button 115a elastically supported by a switch spring 115b, and is structured so that the electrical power applied to the RF electrode body 120 is turned on only when the switch button 115a is pressed, and the electrical power is turned off when the switch button 115a is released from its pressed state.

[0123] Furthermore, inside the handpiece main body casing 200, i.e., inside the cartridge insertion portion 200b, a switch pressing protrusion 241 is positioned so as to protrude, and presses the electrode on / off switch 115 when the cartridge coupling block 210 is pushed and moved.

[0124] The switch pressure protrusion 241 is positioned so as to come into contact with the upper surface of the switch button 115a when the RF electrode cartridge 100 is coupled to the handpiece body casing 200.

[0125] More specifically, a switch mounting protrusion 116 having an electrode on / off switch 115 located on its upper surface is protruded from the upper surface of the cartridge casing 110, i.e., the upper surface of the second casing portion 200b, and a protrusion insertion portion 240 into which the switch mounting protrusion 116 is inserted is located inside the cartridge insertion portion 200b, and a switch pressure protrusion 241 is located within the protrusion insertion portion 240 so as to face the switch mounting protrusion 116.

[0126] The electrode on / off switch 115 is positioned so that the upper surface of the switch button 115a protrudes from the upper surface of the switch mounting protrusion 116 or is flush with the upper surface of the switch protrusion, and when the RF electrode cartridge 100 is connected to the handpiece body casing 200, the switch mounting protrusion 116 is inserted into the protrusion insertion portion 240 and the switch pressure protrusion 241 is positioned so as to contact the upper surface of the switch button 115a.

[0127] That is, when the practitioner holds the handpiece main body casing 200 and presses the handpiece main body casing 200 while the RF electrode body 120 is in close contact with the skin, the RF electrode cartridge 100 is pushed and moves toward the handpiece main body casing 200, pushing and moving the cartridge coupling block 210, which causes the switch mounting protrusion 116 to press the switch button 115a, applying electrical power to the RF electrode body 120.

[0128] Furthermore, if the handpiece main body casing 200 is not pressed while the RF electrode body 120 is in contact with the skin, i.e., if the practitioner does not press the handpiece main body casing 200, the cartridge coupling block 210 moves to its original position by the cartridge spring member 220, and the switch button 115a also returns to its original position by the elastic restoring force of the switch spring 115b, cutting off the electrical power supplied to the RF electrode body 120, thereby turning off the operation of the RF electrode body 120.

[0129] In the handpiece for skin cosmetic treatment according to the present invention, electrical power is applied to the RF electrode body 120 only when the practitioner holds and presses the handpiece body casing 200 during treatment, and when the practitioner releases the pressure on the handpiece body casing 200 during treatment, the elastic restoring force of the spring automatically cuts off the electrical power applied to the RF electrode body 120. This allows treatment to be performed accurately at the required area for the correct number of times and prevents accidents such as skin damage due to excessive stimulation during treatment.

[0130] The RF electrode cartridge 100 for skin cosmetic treatment including the relay according to the present invention and the handpiece for skin cosmetic treatment including the same perform treatment while moving the RF electrode body 120 in a state of being in close contact with the patient's skin.

[0131] At this time, the first casing part 110a of the RF electrode cartridge 100 can be freely tilted within a radius of 360 degrees around the ball joint part 140, allowing the RF electrode body 120 to be continuously maintained in a state of being in close contact with the skin.

[0132] In addition, the vibration motor generates a massage effect on the skin, further enhancing the therapeutic effect of the treatment.

[0133] In addition, the pressure applied by the practitioner is elastically supported and buffered by the cartridge spring member 220, and the elastic restoring force of the cartridge spring member 220 can more reliably maintain the RF electrode body 120 in close contact with the skin.

[0134] The present invention significantly improves safety during treatment by preventing accidents that may cause damage to skin tissue or skin burns due to the RF electrode body 120 moving in close contact with the skin while tilting freely within a 360-degree radius around the ball joint part 140 and separating from the skin.

[0135] In the present invention, the relay 190, which controls the electrical signal applied to the RF electrode, is located in the RF electrode cartridge. When the RF electrode cartridge is replaced, the relay 190, which is a consumable part, is also replaced. This allows the handpiece to be used without replacing the handpiece main body casing 200, thereby reducing the hassle and expense associated with replacing the handpiece main body casing 200.

[0136] The present invention is equipped with a vibration motor to minimize pain during skin treatment and improve the effectiveness of treatment.

[0137] In the present invention, electrical power is not applied to the RF electrode body 120 unless the RF electrode cartridge in contact with the skin is pressed, making safe and easy treatment possible and improving safety during treatment.

[0138] The present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the gist of the present invention, and it is clear that these modifications are included in the structure of the present invention. [Explanation of symbols]

[0139] 100 RF Electrode Cartridges 110 Cartridge casing 110a First casing part 110b second casing part 111 Cooling space 112 Temperature Sensor 113 Terminal insulation part 114 Cooling space cover 114a Ball joint 115 Electrode on / off switch 115a Switch button 115b Switch spring 116 Switch mounting protrusion 120 RF electrode body 121 RF electrode components 121a Electrode connection terminal 122 Insulating film material 130 Cartridge lock part 140 Ball joint part 150 bellows member 150a Pin insertion part 151 Bellows support frame member 152 Frame fixing pin 160 Vibration motor part 170 First cooling water line section 180 Second cooling water line section 190 Relay 191 Electrode control board 192 Relay first connection terminal 200 Handpiece main body casing 200a Cooling water circulation line 200b Cartridge insertion section 210 Cartridge Connection Block 211 Relay second connection terminal 212 Line connection 220 Cartridge spring member 230 Cartridge movement guide 231 Moving guide rod 232 Moving guide block 240 Protrusion insertion part 241 Switch pressure protrusion

Claims

1. an RF electrode cartridge including an RF electrode body in contact with the skin; a handpiece body casing to which the RF electrode cartridge is detachably coupled and which is connected to a control body; The RF electrode cartridge is an RF electrode cartridge for skin cosmetic treatment including a relay, which is electrically connected to a control body, detachably coupled to a handpiece body casing that is held by a practitioner's hand and is replaceable as a consumable item, and has an RF electrode body for skin cosmetic treatment, and the RF electrode cartridge comprises: A cartridge casing; an RF electrode body located on one surface of the cartridge casing, in contact with the skin to apply RF energy into the skin; the relay, which is mounted in the cartridge casing and electrically connected to the RF electrode body, controls the operation of the RF electrode body by controlling an electrical signal applied to the RF electrode body; a relay first connection terminal portion for electrically connecting the relay to a control body, a cartridge insertion portion into which the RF electrode cartridge is inserted and coupled is located at a distal end of the handpiece body casing; a cartridge coupling block, to which the RF electrode cartridge is coupled and which electrically connects the control body and the RF electrode body, is movably positioned within the cartridge insertion portion; the cartridge coupling block is positioned in a state where it is elastically supported by a cartridge spring member; An electrode on / off switch for turning on and off the power applied to the RF electrode body is located on the top surface of the cartridge casing. The electrode on / off switch includes a switch button elastically supported by a switch spring, and has a structure in which the electric power applied to the RF electrode body is turned on only when the switch button is pressed, and the electric power is turned off when the switch button is released from the pressed state; a switch pressing protrusion for pressing the electrode on / off switch when the cartridge coupling block is pushed and moved inward, the switch pressing protrusion being positioned inside the cartridge insertion portion;

2. a switch mounting protrusion having the electrode on / off switch positioned on an upper surface thereof is protruded from an upper surface of the cartridge casing, and a protrusion insertion portion into which the switch mounting protrusion is inserted is positioned inside the cartridge insertion portion; 2. The handpiece for cosmetic skin treatment according to claim 1, wherein the switch pressure applying protrusion is positioned in the protrusion inserting portion so as to face an upper surface of the switch mounting protrusion.

3. The RF electrode body comprises a plurality of RF electrode members spaced apart from one another on the surface of the cartridge casing; 10. The cosmetic skin treatment handpiece of claim 1, further comprising: an electrode insulating member positioned between the plurality of spaced apart RF electrode members to insulate the plurality of RF electrode members.

4. A handpiece for cosmetic skin treatment as described in claim 3, wherein the height of the electrode insulating member is formed lower than the height of each of the multiple RF electrode members.

5. A handpiece for cosmetic skin treatment as described in claim 1, wherein the cartridge casing has an electrode control board portion on which the relay is mounted, and the electrode control board portion is electrically connected to the relay first connection terminal portion via an electric wire or cable.

6. The RF electrode body includes a plurality of RF electrode members spaced apart from one another on the one surface of the cartridge casing, 2. The skin cosmetic treatment handpiece according to claim 1, wherein the relays are provided in a number corresponding to the number of the plurality of RF electrode members and individually control the electrical power applied to each of the plurality of RF electrode members.

7. The cartridge casing comprises: a first casing portion having the RF electrode body positioned on one surface thereof; a second casing portion to which the first casing portion is tiltably connected; a ball joint portion that connects the first casing portion and the second casing portion and allows the first casing portion to tilt freely within a radius of 360 degrees; a bellows member having one end connected to the first casing portion and the other end connected to the second casing portion, the bellows member being positioned to surround the ball joint portion and having a plurality of pleats; 2. The handpiece for cosmetic skin treatment according to claim 1, further comprising: a bellows support frame member positioned on the upper end side of the bellows member and formed with a frame structure surrounding the inner periphery of the bellows member.

8. A plurality of frame fixing pins protrude from the outer surface of the bellows support frame member, The cosmetic skin treatment handpiece according to claim 7, wherein the bellows member is provided with a plurality of pin insertion portions into which the plurality of frame fixing pins are inserted.

9. A handpiece for cosmetic skin treatment as described in claim 1, further comprising a vibration motor unit located within the cartridge casing.

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