Skin care apparatus including lightweight handpiece

Abstract

The present invention relates to a skin care device equipped with a wire power transmission structure. A driving force generating unit that moves a skin stimulation generating part within a handpiece is mounted on a control body, and the driving force is transmitted via a wire to reduce the weight of the handpiece for skin treatment. Furthermore, since no noise or vibration is generated by driving within the handpiece, the convenience and satisfaction of the practitioner during treatment are significantly improved. Additionally, by simplifying the structure of the handpiece, it is possible to design the handpiece without limitations on its size and shape, thereby greatly enhancing the degree of freedom in handpiece design.

Description

Technology Field

[0001] The present invention relates to a skin care device equipped with a wire power transmission structure, and more specifically, to a skin care device equipped with a wire power transmission structure that mounts a driving force generating unit for a handpiece on a control body and transmits driving force to a handpiece through a wire. Background Technology

[0002] With the recent trend of increasing interest in skin care, various skin care devices are being developed.

[0003] Skin care devices are being proposed in various structures, including skin treatment devices using ultrasound, skin treatment devices using lasers, skin treatment devices using RF energy, skin cleansing devices for face lifting or skin tightening procedures, and cryolipolysis treatment devices.

[0004] Ultrasonic skin care devices utilize an ultrasound-generating handpiece to induce degeneration and regeneration of skin tissue at a certain depth from the skin surface by using heat generated by high-intensity focused ultrasound, thereby producing skin beautification or cosmetic effects such as wrinkle improvement.

[0005] In addition, laser-based skin treatment devices are used for various purposes such as preventing hair loss, promoting hair growth, exfoliating, skin regeneration, whitening, removing wrinkles or spots, and removing melasma, by treating the patient's skin by applying heat with the laser only to the target area to damage the skin tissue using a laser-generating handpiece to irradiate the skin with a laser of a certain size.

[0006] In addition, the skin treatment device using RF energy is used to perform the procedure by applying electric power to the RF electrode while the RF electrode is in close contact with the skin using a handpiece equipped with an RF electrode, thereby delivering RF energy to the patient's skin. It is used for various purposes such as skin remodeling / resurfacing, wrinkle removal, and treatment of sebaceous glands, follicular adipose tissue, and spider veins through the contraction or wound healing response of collagen in the lower dermis.

[0007] In addition, the skin cleansing device treats the patient's skin by discharging a cleansing solution onto the skin surface using a skin cleansing handpiece to penetrate functional cosmetic ingredients into the skin, and by polishing the skin surface.

[0008] In addition, the cryolipolysis device for cooling lipolysis procedures is used with a cooling cup mounted on a single handpiece to cool the treatment area of ​​the patient.

[0009] Cooling cups are divided into suction types, which cool the patient's skin by suction, and non-suction types, and their performance varies depending on the type and quantity of thermoelectric elements attached to the cooling cup.

[0010] The practitioner can enhance the effectiveness of cryolipolysis by selecting the cooling cup most suitable for the patient from among various types, depending on the patient's obesity status or the treatment area.

[0011] Meanwhile, the skin care device includes a skin treatment handpiece that contacts the skin of a patient to perform a procedure that stimulates the skin, and a control body connected to the skin treatment handpiece via a cable to control the operation of an ultrasound generating handpiece.

[0012] A handpiece for skin treatment is equipped with a skin stimulation generating part that stimulates the skin, and a driving force generating part for moving or rotating the skin stimulation generating part.

[0013] In addition, the handpiece for skin treatment may be equipped with a driving force generating unit for generating vibrations for skin massage, etc.

[0014] For example, an ultrasonic generating handpiece or a laser generating handpiece is equipped with a driving motor that moves the ultrasonic generating part or the laser generating part in a straight line or rotates it by a preset radius.

[0015] In addition, the handpiece for skin cleansing is equipped with a driving motor for rotating the polishing pad.

[0016] In addition, the skin cleansing handpiece, the handpiece equipped with an RF electrode, the cooling cup, and the skin cleansing handpiece are equipped with a vibration motor, etc., for generating vibrations for skin massage.

[0017] In other words, conventional skin care devices had a problem in that the size and shape of the handpiece for skin treatment were limited because they included a circuit board equipped with a driving circuit and a sensing circuit to control the operation of the driving force generating unit, such as a drive motor or a vibration motor, located within the handpiece for skin treatment, as well as a gear structure to transmit the rotational force of the motor.

[0018] In addition, handpieces for skin procedures are heavy due to the inclusion of a motor, circuit board, and gear structure for transmitting the motor's rotational force. Furthermore, there were problems such as strain on the operator's wrist and discomfort during the procedure caused by vibrations generated during motor operation. Prior art literature

[0019] Korean Patent Registration No. 1307551 "Handpiece of an ultrasonic device" (Registered September 5, 2013) Korean Patent Registration No. 2038941 "Handpiece for laser treatment and fat reduction device equipped with the same" (Registered October 25, 2019) The problem to be solved

[0020] The objective of the present invention is to provide a skin care device equipped with a wire power transmission structure that simplifies the structure of the handpiece and reduces its weight by mounting a driving force generating unit for the handpiece on a control body and transmitting driving force to the handpiece through a wire. means of solving the problem

[0021] To achieve the above-mentioned objective of the present invention, one embodiment of a skin care device having a wire power transmission structure according to the present invention is characterized by comprising: a skin treatment handpiece that contacts the skin and stimulates the skin; a control body connected to the skin treatment handpiece by a connecting cable body to control the operation of the skin treatment handpiece; a driving force generating unit mounted inside the control body and generating a driving force; a skin stimulation generating unit movably positioned within the skin treatment handpiece and stimulating the skin; and an operating wire unit that transmits the driving force of the driving force generating unit to the skin stimulation generating unit in a freely bendable wire shape to move the skin stimulation generating unit.

[0022] One embodiment of a skin care device having a wire power transmission structure according to the present invention may further include a movement guide member that is arranged lengthwise in the linear movement direction of the skin stimulation generating part within the skin treatment handpiece and is movably coupled to the skin stimulation generating part to guide the linear movement of the skin stimulation generating part.

[0023] In the present invention, the moving guide member may be positioned on the upper side of the skin irritation generating part and may be movably coupled by penetrating the moving body part connected to the operating wire part.

[0024] In the present invention, the driving force generating unit may include a rotary motor unit that generates rotational force and a linear movement conversion unit that converts the rotational force of the rotary motor unit into linear movement to push or pull the operating wire unit.

[0025] In the present invention, the linear movement converter may include a rotating plate member that is rotated by the rotating motor part and is connected to the operating wire part spaced apart from the center of rotation.

[0026] In the present invention, the driving force generating unit may include a linear actuator connected to the operating wire unit to pull or push the operating wire unit to move it in a straight line.

[0027] In the present invention, the control body is connected to the handpiece for skin treatment by a connecting cable body that controls the operation of the skin stimulation generating unit, and the operating wire part can pass through the interior of the connecting cable body to connect the skin stimulation generating unit and the driving force generating unit.

[0028] One embodiment of a skin care device having a wire power transmission structure according to the present invention may further include a wire movement guide tube portion that is fixed inside the connecting cable body and through which the operating wire portion passes to guide the movement of the operating wire portion.

[0029] In the present invention, the handpiece for skin treatment comprises a cartridge housing portion having a skin stimulation generating portion and a handpiece body casing portion that is detachably coupled to the cartridge housing portion and connected to the control body, and a driving force transmission coupling portion that is detachably connected to the skin stimulation generating portion may be provided at the end side of the operating wire portion.

[0030] In the present invention, the coupling part for transmitting driving force may include a magnetic part provided on one side of the skin irritation generating part and the coupling part for transmitting driving force, and a magnetic body provided on the other side of the skin irritation generating part and the coupling part for transmitting driving force and attached to the magnetic part by magnetic force.

[0031] In the present invention, the handpiece for skin treatment may further include a coupling movement guide that connects one side of the skin stimulation generating part and the inner surface of the cartridge housing part, has a length-adjustable structure, and has a driving force transmission coupling part inserted into it to guide the movement of the driving force transmission coupling part.

[0032] In the present invention, the coupling movement guide may be a bellows portion having a plurality of folds that can be folded and unfolded, with one end side fixed to the skin irritation generating portion and the other end side fixed to one side of the cartridge housing portion.

[0033] In the present invention, the operating wire portion has an end portion directly connected to the skin stimulation generating portion to push the skin stimulation generating portion to move it from a preset basic position to a preset movement limit position, and pull the skin stimulation generating portion to return it from the preset movement limit position to the preset basic position. Effects of the invention

[0034] The present invention has the effect of significantly improving the convenience and satisfaction of the practitioner during treatment by reducing the weight of the handpiece for skin treatment through the mounting of a driving force generating unit that moves a skin irritation generating unit within the handpiece to the control body and transmitting the driving force via a wire.

[0035] In addition, the present invention has the effect of significantly improving the satisfaction of the practitioner and patient during the procedure by improving the treatment environment through the absence of noise or vibration caused by operation within the handpiece for skin treatment.

[0036] In addition, the present invention simplifies the structure of a handpiece for skin treatment, allowing for design without limitations on the size and shape of the handpiece, thereby significantly improving the degree of freedom in handpiece design. Brief explanation of the drawing

[0037] FIG. 1 is a drawing illustrating an embodiment of a skin care device having a wire power transmission structure according to the present invention. FIG. 2 is a cross-sectional view illustrating an embodiment of a skin care device having a wire power transmission structure according to the present invention. FIG. 3 is a cross-sectional view illustrating another embodiment of a skin care device having a wire power transmission structure according to the present invention. FIGS. 4 and 5 are enlarged cross-sectional views illustrating an operation example of an embodiment of a skin care device having a wire power transmission structure according to the present invention. FIG. 6 is an enlarged cross-sectional view illustrating an embodiment of a connecting member in an embodiment of a skin care device having a wire power transmission structure according to the present invention. Specific details for implementing the invention

[0038] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings. However, the technical concept of the present invention is not limited to the embodiments described herein and may be embodied in other forms. Rather, the embodiments introduced herein are provided to ensure that the disclosed content is thorough and complete and to ensure that the concept of the present invention is sufficiently conveyed to those skilled in the art.

[0039] In this specification, when a component is described as being on another component, it means that it may be formed directly on the other component or that a third component may be interposed between them. Additionally, in the drawings, the thicknesses of shapes and regions are exaggerated for the effective description of the technical content.

[0040] Additionally, although terms such as first, second, third, etc., have been used to describe various components in the various embodiments of this specification, these components should not be limited by such terms. These terms are used merely to distinguish one component from another. Accordingly, what is referred to as the first component in one embodiment may be referred to as the second component in another embodiment. Each embodiment described and illustrated herein also includes its complementary embodiment. Furthermore, in this specification, "and / or" is used to mean including at least one of the components listed before and after it.

[0041] In the specification, singular expressions include plural expressions unless the context clearly indicates otherwise. Furthermore, terms such as "include" or "have" are intended to specify the existence of the features, numbers, steps, components, or combinations thereof described in the specification, and should not be understood as excluding the existence or addition of one or more other features, numbers, steps, components, or combinations thereof. Additionally, in this specification, "connection" is used to include both indirectly connecting multiple components and directly connecting them.

[0042] Furthermore, in describing the present invention below, if it is determined that a detailed description of related known functions or configurations could unnecessarily obscure the essence of the invention, such detailed description will be omitted.

[0043] FIG. 1 is a drawing illustrating an embodiment of a skin care device having a wire power transmission structure according to the present invention, and FIG. 2 is a cross-sectional view illustrating an embodiment of a skin care device having a wire power transmission structure according to the present invention.

[0044] An embodiment of a skin care device equipped with a wire power transmission structure according to the present invention will be described in detail below with reference to FIGS. 1 and 2.

[0045] One embodiment of a skin care device having a wire power transmission structure according to the present invention includes a skin treatment handpiece (100) that comes into contact with the skin and stimulates the skin, and a control body (200) that is connected to the skin treatment handpiece (100) by a connecting cable body (210) and controls the operation of the skin treatment handpiece (100).

[0046] A handpiece (100) for skin treatment is equipped with a skin stimulation generating part (400) that stimulates the skin, and the skin stimulation generating part (400) is one of an ultrasound generating part (410) that irradiates ultrasound onto the skin, a laser generating part that irradiates a laser onto the skin, an RF electrode part that contacts the skin and transmits RF energy to the skin, a cup part that contacts the skin and alternately generates negative and positive pressure on the skin, and a skin massage part that rotates or vibrates while in contact with the skin.

[0047] It should be noted that the skin stimulation generating part (400) is known from a known skin care treatment device that stimulates the skin to perform a skin care treatment, and further detailed explanation is omitted.

[0048] That is, the skin care device equipped with a wire power transmission structure according to the present invention is exemplified as any one of known skin care treatment devices, such as a skin ultrasonic generator including a handpiece for ultrasonic treatment, a skin laser generator including a handpiece for laser treatment, a skin RF energy generator including a handpiece for RF treatment, a negative pressure generator including a hand for negative pressure treatment, and a skin beauty device including a handpiece for skin massage.

[0049] A handpiece (100) for skin treatment includes a cartridge housing (110) equipped with a skin stimulation generating part (400) that contacts and stimulates the skin, and a handpiece body casing (120) to which the cartridge housing (110) is detachably coupled.

[0050] The cartridge housing (110) is a consumable that is detachably coupled to the handpiece body casing (120) and becomes unusable for skin treatment when the skin irritation generating part (400) is used for a preset treatment time or a preset number of treatments.

[0051] As an example, the cartridge housing portion (110) is joined by sliding it to the tip of the handpiece body casing portion (120), and the joining is completed by locking it with the cartridge locking portion (120a) at the final joining position.

[0052] It should be noted that the cartridge locking part (120a) is a button-type locking part located on both sides of the handpiece body casing part (120), and a wedge part that supports the cartridge housing part (110) by hooking it onto the elastically supported button part is used, and the lock is released when the button part is pressed, and further detailed explanation is omitted.

[0053] The control body (200) is connected to the skin treatment handpiece (100) via a connecting cable body (210) including a plurality of wires or a circulation hose, and controls the operation of the skin irritation generating part (400) within the skin treatment handpiece (100) and can circulate a liquid such as cooling water or a medium within the cartridge housing part (110).

[0054] It is noted that the control body (200) can be implemented in various modified forms according to the type of skin stimulation generating part (400) in skin care devices such as a skin laser generator, a skin RF energy generator, a sound pressure generator, and a skin beauty device.

[0055] A skin stimulation generating unit (400) is movably positioned inside a skin treatment handpiece (100), that is, within a cartridge housing (110), and an embodiment of a skin care device having a wire power transmission structure according to the present invention further includes a driving force generating unit (300) mounted inside a control body (200) and generating a driving force to move the skin stimulation generating unit (400).

[0056] The driving force of the driving force generating unit (300) is transmitted to the skin stimulation generating unit (400) via a freely bendable string-shaped operating wire unit (500).

[0057] The driving force generating part (300) is a wire linear moving part that pulls or pushes the operating wire part (500), and the operating wire part (500) has a material or structure having rigidity that can push and move the skin irritation generating part (400).

[0058] The operating wire part (500) is exemplified as being a metal wire such as a steel wire.

[0059] The operating wire part (500) has its end side directly connected to the skin stimulation generating part (400) to push the skin stimulation generating part (400) to move it from a preset basic position to a preset movement limit position, and pull the skin stimulation generating part (400) to return it from the preset movement limit position to a preset basic position.

[0060] Alternatively, the operating wire section (500) may include a ring connecting member, which is not shown but is positioned between a plurality of metal ring members and connects the metal ring members and is made of a flexible material such as cloth or synthetic resin, thereby ensuring rigidity to transmit linear movement of the driving force generating section (300) to the metal ring members, and can be freely bent through each joint between the metal ring members by the ring connecting member.

[0061] In addition, the operating wire section (500) can be implemented in various modified forms using a known wire or hose structure having rigidity that can directly transmit the force moving in a straight line by the driving force generating section (300) to the skin stimulation generating section (400) to pull or push the skin stimulation generating section (400) and move it in a straight line.

[0062] A skin care device having a wire power transmission structure according to the present invention further includes a movement guide member (600) that is arranged lengthwise in the linear movement direction of a skin stimulation generating part (400) within a skin treatment handpiece (100) and is movably coupled to the skin stimulation generating part (400) to guide the linear movement of the skin stimulation generating part (400).

[0063] As an example, the moving guide member (600) is positioned on the upper side of the skin stimulation generating part (400) and is movably coupled through the moving body part (420) connected to the operating wire part (500) to guide the linear movement of the skin stimulation generating part (400).

[0064] The moving guide member (600) is formed in the shape of a rod or bar that penetrates the skin irritation generating part (400), that is, the moving body part (420), and guides the linear movement of the skin irritation generating part (400).

[0065] The operating wire section (500) has one end connected to the driving force generating section (300) and the other end connected to the skin stimulation generating section (400), so that it moves in a straight line forward and backward while being pulled or pushed by the driving force generating section (300), and transmits the driving force moving forward and backward to the skin stimulation generating section (400) to cause the skin stimulation generating section (400) to move in a straight line back and forth.

[0066] As an example, the operating wire section (500) passes through the interior of a connecting cable body (210) that supplies electric power to the skin stimulation generating section (400) to control the operation of the skin stimulation generating section (400), connects the skin stimulation generating section (400) and the driving force generating section (300), and moves linearly by the operation of the driving force generating section (300) to move the skin stimulation generating section (400) linearly.

[0067] The driving force generating unit (300) is connected to the main control unit (220) located within the control body (200) to control its operation, and the main control unit (220) is electrically connected to the skin stimulation generating unit (400) of the skin treatment handpiece (100) through a connecting cable (210) to control the operation of the skin stimulation generating unit (400).

[0068] The driving force generating unit (300) includes a rotary motor unit (310) that generates rotational force and a linear movement conversion unit (320) that converts the rotational force of the rotary motor unit (310) into linear movement to push or pull the operating wire unit (500).

[0069] As an example, the linear movement conversion unit (320) includes a rotating plate member (321) that is rotated by a rotating motor unit (310) and connected to an operating wire unit (500) spaced apart from the center of rotation.

[0070] The operating wire part (500) is positioned spaced apart from the rotation center of the rotating plate member (321) and moves in a circle with a preset radius by the rotation of the rotating plate member (321), and moves in a straight reciprocating motion as it is pulled or pushed.

[0071] The linear movement range of the operating wire section (500) is equal to the rotation diameter of the operating wire section (500), and can be set by adjusting the distance between the rotation center of the rotating plate member (321) and the point where the end of the operating wire section (500) is connected.

[0072] Additionally, although not shown, the linear movement conversion unit (320) may be a rack-pinion structure including a rack gear unit to which a pinion gear mounted on the motor shaft of the rotary motor unit (310) and an operating wire unit (500) are connected, and may also be implemented in various modified forms of known linear movement conversion structures that convert rotational force into linear movement.

[0073] The operating wire section (500) moves in a straight reciprocating motion as the rotating plate member (321) rotates by the operation of the rotating motor section, and the skin stimulation generating section (400) is directly connected to the operating wire section (500) and moves in a straight reciprocating motion forward and backward together with the straight movement of the operating wire section (500).

[0074] The skin irritation generating part (400) includes a movable body part (420) to which an operating wire part (500) is connected and a movable guide member (600) is positioned through.

[0075] At the end side of the operating wire part (500), a driving force transmission coupling part (510) is provided that is detachably connected to the moving body part (420), that is, the skin stimulation generating part (400).

[0076] One example of a driving force transmission coupling part (510) is that it includes a magnetic part that is attached to the skin stimulation generating part (400) by magnetic force.

[0077] The driving force transmission coupling part (510) includes a magnetic part provided on one side of the skin stimulation generating part (400) and the driving force transmission coupling part (510), and a magnetic body provided on the other side of the skin stimulation generating part (400) and the driving force transmission coupling part (510) and attached to the magnetic part by magnetic force.

[0078] Furthermore, the magnetic material may be another magnet facing the magnetic part with a different polarity, or it may be implemented in various modified forms using known materials capable of being attached to the magnet by magnetic force, so a further detailed explanation is omitted.

[0079] The driving force transmission coupling part (510) is detachably coupled to the skin stimulation generating part (400) by the magnetic force of the magnetic part, so that when the cartridge housing part (110) is separated from the handpiece body casing part (120), the skin stimulation generating part (400) is separated from the operating wire part (500).

[0080] And, when the new cartridge housing part (110) is coupled to the handpiece body casing part (120), the driving force transmission coupling part (510) is attached to the skin irritation generating part (400) by the magnetic force of the magnetic part, and the skin irritation generating part (400) can be moved by the operation of the operating wire part (500).

[0081] That is, the cartridge housing part (110) is a replacement part that is replaced when the lifespan of the skin irritation generating part (400) is exhausted, and is replaced by being separated from the handpiece body casing part (120). At this time, the operating wire part (500) can be separated from or connected to the skin irritation generating part (400) through the driving force transmission coupling part.

[0082] The driving force transmission coupling part (510) can be easily separated from the skin stimulation generating part (400) by the magnetic force of the magnetic part through the movement of the operating wire part (500) when the cartridge housing part (110) is replaced.

[0083] The driving force transmission coupling part (510) can be implemented in various modified ways using a known coupling structure that can be simply coupled by the movement of the operating wire part (500) in addition to the magnet part.

[0084] Additionally, the handpiece (100) for skin treatment further includes a coupling movement guide (700) that connects one side of the skin stimulation generating part (400) and the inner surface of the cartridge housing part (110), has a length-adjustable structure, and has a coupling part (510) for transmitting driving force inserted into it to guide the movement of the coupling part (510) for transmitting driving force.

[0085] The driving force transmission coupling part (510) is positioned to protrude from the coupling surface where the cartridge housing part (110) is coupled to the handpiece body casing part (120), and when the cartridge housing part (110) is coupled to the handpiece body casing part (120), it is inserted and positioned into the coupling movement guide part (700).

[0086] The coupling movement guide (700) is provided with a movement passage that is exposed so that a coupling part (510) for transmitting driving force can be inserted through one side of the cartridge housing part (110), and when the cartridge housing part (110) is coupled to the handpiece body casing part (120), the coupling part (510) for transmitting driving force is inserted into the movement passage.

[0087] The combined movement guide (700) has a length-adjustable structure, so that when the skin irritation generating part (400) moves, its length decreases or increases, thereby maintaining the space within the movement passage and allowing the skin irritation generating part (400) to move smoothly.

[0088] The connecting cable body (210) is fixed on the coupling surface of the handpiece body casing (120) to guide the linear movement of the operating wire (500), thereby minimizing the loss of driving force of the operating wire (500) caused by the operation of the driving force generating part (300).

[0089] And, the driving force transmission coupling part (510) is positioned to protrude on the coupling surface of the handpiece body casing part (120), so that when the cartridge housing part (110) is coupled to the handpiece body casing part (120), the driving force transmission coupling part (510) is inserted into the movement passage.

[0090] When replacing the cartridge housing (110), the coupling part (510) for transmitting driving force is inserted into the passage and positioned apart from the skin stimulation generating part (400), and can be moved forward toward the skin stimulation generating part (400) by the operation of the driving force generating part (300) and attached to one side of the skin stimulation generating part (400) by magnetic force.

[0091] Additionally, the operating wire part (500) allows the end side fixed to the driving force transmission coupling part (510) to move linearly within the coupling movement guide part (700), thereby smoothly moving the skin irritation generating part (400) forward and backward.

[0092] One example of the combined movement guide (700) is that one end is fixed to the skin irritation generating part (400) and the other end is fixed to one side of the cartridge housing part (110), and is a bellows part (710) that includes a plurality of folds that can be folded and unfolded.

[0093] The bellows section (710) is open to one side of the cartridge housing section (110) and forms a passage for the movement of the driving force transmission coupling section (510), and guides the movement of the driving force transmission coupling section (510) inside.

[0094] Accordingly, the drive force transmission coupling part (510) can be stably attached to one side of the skin stimulation generating part (400) by magnetic force while smoothly moving toward the skin stimulation generating part (400) by being pushed by the operating wire part (500) while the cartridge housing part (110) is coupled to the coupling surface of the handpiece body casing part (120) and inserted into the interior of the bellows part (710) and separated from the skin stimulation generating part (400).

[0096] Meanwhile, the skin care device equipped with a wire power transmission structure according to the present invention is described in more detail below as an example of a skin ultrasonic generator in which the skin stimulation generating unit (400) includes an ultrasonic generator (410) and generates High Intensity Focused Ultrasound (HIFU) to the ultrasonic generator (410). It should also be noted that it may be any one of other skin care devices, such as a skin laser generator, a skin RF energy generator, a sound pressure generator, and a skin beauty device.

[0097] The cartridge housing (110) is provided with a window (110a) on its lower surface through which ultrasonic waves generated by an ultrasonic generating unit (410) pass so as to be movable inside.

[0098] It should be noted that the window portion (110a) is manufactured from a transparent or translucent film material and is a known structure manufactured from a film material through which ultrasound can pass, so further detailed description is omitted.

[0099] The ultrasonic generating unit (410) is movably positioned in the cartridge housing (110) and can improve skin wrinkles and increase skin elasticity by generating heat through an ultrasonic transducer that generates High Intensity Focused Ultrasound (HIFU) and irradiating High Intensity Focused Ultrasound (HIFU) onto the skin muscle layer.

[0100] The ultrasonic generating unit (410) is connected to the movable body unit (420) on the upper side and moves in a straight reciprocating motion together within the cartridge housing unit (110) by the straight movement of the movable body unit (420).

[0101] The window portion (110a) is formed with a length longer than the movement range of the ultrasonic generating portion (410), so that the ultrasonic waves generated from the ultrasonic generating portion (410) that moves back and forth in a straight line can be stably transmitted.

[0102] A liquid medium for transmitting ultrasound is filled inside the cartridge housing (110), and a bellows section (710), i.e., a coupling movement guide section (700), is positioned to connect one side of the moving body section (420) and one side of the cartridge housing (110), so that an operating wire section (500) is coupled to the moving body section (420) inside to form a movement passage that allows for smooth movement.

[0103] The bellows section (710) forms a sealed space that is isolated from the liquid medium inside through an internal movement passage, thereby isolating the operating wire section (500) located inside from the medium so that it can move smoothly in a straight line to the driving force generating section (300), and prevents the liquid medium from leaking to the outside when the cartridge housing section (110) is separated from the handpiece body casing section (120) at the shaft coupling part of the screw member (521a), that is, at the shaft adapter section (530).

[0105] Meanwhile, FIG. 3 is a cross-sectional view illustrating another embodiment of a skin care device having a wire power transmission structure according to the present invention. Referring to FIG. 3, the driving force generating unit (300) may include a linear actuator (330) to which the operating wire unit (500) is connected to pull or push the operating wire unit (500) to move it in a straight line.

[0106] The linear actuator (330) is exemplified as a ball screw actuator or hydraulic cylinder that moves linearly in a ball screw manner, and can also be modified and implemented as a known actuator having a linear reciprocating movement structure.

[0107] The linear actuator (330) moves the wire connection part to which the operating wire part (500) is connected in a straight line back and forth to pull or push the operating wire part (500), thereby causing the skin stimulation generating part (400) connected to the operating wire part (500) to move in a straight line back and forth.

[0109] FIGS. 4 and 5 are cross-sectional views illustrating an example of operation in one embodiment of a skin care device equipped with a wire power transmission structure according to the present invention. Referring to FIGS. 4 and 5, the operating wire portion (500) is connected to the moving body portion (420) via a driving force transmission coupling portion (510) inside the bellows portion (710), and the moving body portion (420) is moved forward and backward by being pulled or pushed by the driving force generating portion (300).

[0110] And, the ultrasound generating unit (410), that is, the skin stimulation generating unit (400), moves back and forth together with the moving body unit (420) to irradiate ultrasound onto the skin.

[0112] Meanwhile, FIG. 6 is an enlarged cross-sectional view illustrating an embodiment of a connecting cable body in an embodiment of a skin care device having a wire power transmission structure according to the present invention. Referring to FIG. 6, the connecting cable body (210) further includes a wire movement guide tube (213) that is fixed inside and through which an operating wire part (500) passes to guide the movement of the operating wire part (500).

[0113] The connecting cable body (210) is electrically connected to a skin stimulation generating part (400) located in the handpiece body casing part (120) to supply electric power to the stimulation generating part, and an operating control cable (212) for controlling the operation of the skin stimulation generating part (400) and an operating wire part (500) that moves linearly by a driving force generating part (300) pass through the interior.

[0114] The wire movement guide tube (213) is fixedly positioned inside the connecting cable body (210) and supports the position of the operating wire part (500) passing through the interior, thereby minimizing changes in tension of the operating wire part (500) when the connecting cable body (210) bends, so that the movement of the operating wire part (500) can be smooth and power transmission through the operating wire part (500) can be stably achieved.

[0115] The operating wire section (500) passes through the interior of the wire movement guide tube section (213), which is fixed in position within the connecting cable body (210), and is connected to the skin irritation generating section (400), thereby enabling the skin irritation generating section (400) to move back and forth stably.

[0116] The connecting cable body (210) includes an outer skin (211) that encloses an operation control cable (212) passing through the interior and a wire movement guide tube (213), and may further include an elastic filling material (214) filled within the outer skin (211) to support the position of the operation control cable (212) and the wire movement guide tube (213).

[0117] The filler material (214) is, for example, made of a synthetic resin foam material such as polyethylene foam, and the filler material (214) stably supports the position of the wire movement guide tube part (213) that guides the movement of the operating wire part (500), so that when the connecting cable body (210) bends, the movement of the operating wire part (500) can be made smoother and the power transmission through the operating wire part (500) can be made more stable.

[0119] The present invention can significantly improve the convenience and satisfaction of the practitioner during treatment by reducing the weight of the handpiece (100) by mounting a driving force generating unit (300) that moves an actuator within the handpiece on the control body (200) and transmitting the driving force through a wire body.

[0120] In addition, the present invention can improve the treatment environment by preventing noise or vibration caused by driving within the handpiece (100) for skin treatment, thereby further enhancing the satisfaction of the practitioner and patient during treatment.

[0121] In addition, the present invention simplifies the structure of the handpiece (100) for skin treatment, allowing for design without limitations on the size and shape of the handpiece (100), thereby greatly improving the degree of freedom in designing the handpiece.

[0123] Although the present invention has been described in detail using preferred embodiments, the scope of the invention is not limited to specific embodiments and should be interpreted by the appended claims. Furthermore, those skilled in the art will understand that many modifications and variations are possible without departing from the scope of the invention. Explanation of the symbols

[0124] 100: Handpiece for skin procedures 110: Cartridge housing 110a: Window section 120: Handpiece body casing section 120a : Cartridge lock 200 : Control body 210: Connecting cable body 211: Outer sheath 212: Operation control cable 213: Wire movement guide tube section 214 : Filler 300 : Driving force generating part 310: Rotary motor unit 320: Linear movement converter unit 321 : Rotating plate member 330 : Linear actuator 400: Skin irritation generating part 410: Ultrasound generating part 420: Moving body part 500: Operating wire part 510: Coupling part for transmitting driving force 600: Moving guide member 700: Combined movement guide section 710: Accordion section

Claims

Claim 1 A handpiece for skin treatment that comes into contact with the skin and stimulates the skin; a control body connected to the handpiece for skin treatment via a connecting cable to control the operation of the handpiece for skin treatment; a driving force generating unit mounted inside the control body and generating driving force; a skin stimulation generating unit movably positioned inside the handpiece for skin treatment and stimulating the skin; and an operating wire unit that transmits the driving force of the driving force generating unit to the skin stimulation generating unit in a freely bendable wire shape to move the skin stimulation generating unit, wherein the connecting cable connects the control body and the skin stimulation generating unit and supplies electrical power to the skin stimulation generating unit and includes an operating control cable for controlling the operation of the skin stimulation generating unit; a wire movement guide tube unit through which the operating wire unit passes to guide the movement of the operating wire unit; and an outer skin unit that encloses the operating control cable, the operating wire unit, and the wire movement guide tube unit so that the operating control cable, the operating wire unit, and the wire movement guide tube unit are located inside. A skin care device having a wire power transmission structure characterized by including an elastic filling material filled within the outer skin and supporting the position of the operation control cable and the wire movement guide tube portion. Claim 2 A skin care device having a wire power transmission structure according to claim 1, further comprising a moving guide member that is elongated in the linear movement direction of the skin stimulation generating part within the handpiece for skin treatment, and is movably coupled to the skin stimulation generating part to guide the linear movement of the skin stimulation generating part. Claim 3 A skin care device having a wire power transmission structure according to claim 2, wherein the moving guide member is positioned on the upper side of the skin stimulation generating part and is movably coupled by penetrating a moving body part connected to the operating wire part. Claim 4 A skin care device having a wire power transmission structure, wherein the driving force generating unit of claim 1 comprises: a rotary motor unit that generates rotational force; and a linear movement conversion unit that converts the rotational force of the rotary motor unit into linear movement to push or pull the operating wire unit. Claim 5 A skin care device having a wire power transmission structure according to claim 4, wherein the linear movement conversion unit comprises a rotating plate member that is rotated by the rotating motor unit and is connected to the operating wire unit spaced apart from the center of rotation. Claim 6 A skin care device having a wire power transmission structure, wherein, in claim 1, the driving force generating unit comprises a linear actuator connected to the operating wire unit to pull or push the operating wire unit to move it in a straight line. Claim 7 delete Claim 8 delete Claim 9 A skin care device having a wire power transmission structure, wherein the handpiece for skin treatment according to claim 1 comprises: a cartridge housing portion having the skin stimulation generating portion; and a handpiece body casing portion to which the cartridge housing portion is detachably coupled and which is connected to the control body, and wherein a coupling portion for transmitting driving power is provided at the end side of the operating wire portion and which is detachably connected to the skin stimulation generating portion. Claim 10 A skin care device having a wire power transmission structure, wherein, in claim 9, the driving force transmission coupling part comprises: a magnetic part provided on one side of the skin stimulation generating part and the driving force transmission coupling part; and a magnetic body provided on the other side of the skin stimulation generating part and the driving force transmission coupling part and attached to the magnetic part by magnetic force. Claim 11 A skin care device having a wire power transmission structure according to claim 9, wherein the handpiece for skin treatment further comprises a coupling movement guide that connects one side of the skin stimulation generating part and the inner surface of the cartridge housing part, has a length-adjustable structure, and has a driving force transmission coupling part inserted into the interior to guide the movement of the driving force transmission coupling part. Claim 12 A skin care device having a wire power transmission structure according to claim 11, wherein the coupling moving guide is a bellows portion having one end fixed to the skin irritation generating portion and the other end fixed to one side of the cartridge housing portion and including a plurality of folds that can be folded and unfolded. Claim 13 A skin care device having a wire power transmission structure according to claim 1, wherein the operating wire portion has an end portion directly connected to the skin stimulation generating portion to push the skin stimulation generating portion to move it from a preset basic position to a preset movement limit position, and pulls the skin stimulation generating portion to return it from the preset movement limit position to the preset basic position.

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