Skin treatment device including a group of needles and its driving method

Abstract

A skin treatment device including a needle group and a driving method thereof are disclosed. The skin treatment device including the needle group according to an embodiment of the present invention includes a needle group including a plurality of needles, a first circuit board having a first needle group, which is a part of the needle group, fixed thereto and having a perforation formed therein, and a second circuit board to which a second needle group, which is the remaining part of the needle group, is fixed, and the second needle group is formed to protrude outside through the perforation of the first circuit board.

Description

Technical Field

[0001] The present invention relates to an apparatus effective for skin beautification or treatment of lesions, such as promoting decomposition of skin adipose tissue or forming collagen, by forming a wound on the skin surface of a treatment site with a needle and then irradiating RF (Radio Frequency) high-frequency energy through the needle. More specifically, the present invention relates to an apparatus and a driving method thereof that can further improve the treatment effect by densely arranging the intervals of needles in a limited space region.

Background Art

[0002] Korean Patent Registration No. 10-1300122 discloses a high-frequency treatment needle including a plurality of needles, a support plate supporting the plurality of needles on one surface, a base supporting the back surface of the support plate, a cover having through-holes through which the plurality of needles penetrate formed in a side wall coupled to the base and facing one surface of the support plate, and an elastic body elastically supporting the support plate from one side wall of the cover. The elastic body includes a first elastic part elastically supporting a first region which is a partial region of the edge of the support plate, and a second elastic part elastically supporting a second region which is the edge region of the support plate excluding the first region. The plurality of needles are configured to be inserted into the skin in sequence according to the elastic force or form of the first elastic part and the second elastic part.

[0003] In addition, Korean Patent Registration No. 10-2117711 discloses an RF high-frequency device including a needle part that is inserted into the dermis layer and emits RF high-frequency energy, a needle insert part in which the needle parts form a row and are inserted through at least one or more in sequence and are continuously arranged in at least one or more in the front-rear direction to form a bundle, and a PCB (Printed Circuit Board) part provided above the bundle of the needle insert parts that are continuously arranged with each other to support the needle part and control the emission of RF high-frequency energy of the needle part.

[0004] In addition, Korean Patent Registration No. 10-2151923 includes an optical cable for providing a laser generated from a laser generator, a handpiece having a plurality of lenses provided therein for amplifying or expanding the laser provided from the optical cable, and a needle unit connected to the lower end of the handpiece, through which the laser is transmitted and directly irradiates a treatment site in the skin through the skin surface. The handpiece includes a focus lens into which the laser provided from the optical cable is incident, a convex lens for expanding or amplifying the laser emitted from the focus lens, a collimating lens for emitting the laser emitted from the convex lens in parallel with the traveling direction, and an optical lens unit provided with a plurality of optical lenses for expanding or amplifying the laser emitted from the collimating lens and transmitting it to the needle unit. A needle laser treatment system including the same is disclosed.

[0005] However, the needle unit configured in the conventional skin treatment device is connected to the electric circuit of the PCB board to supply high-frequency energy and is fixed to another support plate. Due to the arrangement structure of the needles, a relatively wide area is formed between the needles (for example, a square formed by four adjacent needles), but there is a problem that the needles cannot penetrate this area.

[0006] In addition, there is a problem that there is a limit to densely arranging the intervals between the needles in a limited area due to the diameter of the needle fixing part for fixing the needles. As a result, when the needles are arranged, the distance between the needles becomes far, and there is a problem that the treatment effect is reduced.

Prior Art Documents

Patent Documents

[0007]

Patent Document 1

Patent Document 2

Patent Document 3

Summary of the Invention

Problems to be Solved by the Invention

[0008] The present invention has been made to improve the above problems, and an object thereof is to provide a technical idea that can configure needles to be densely arranged without fear of short circuits in a limited cross-sectional area.

[0009] Another object of the present invention is to provide a device that improves safety and convenience of treatment so that the skin can be effectively treated or the subcutaneous adipose tissue can be effectively decomposed and removed for treatment.

Means for Solving the Problems

[0010] A skin treatment device including a needle group according to an embodiment of the present invention for solving the above technical problems includes a needle group including a plurality of needles, a first circuit board in which a first needle group, which is a part of the needle group, is fixed and a perforation is formed, and a second circuit board in which a second needle group, which is the remaining part of the needle group, is fixed, and the second needle group is formed to protrude to the outside through the perforation of the first circuit board.

[0011] The skin device including the needle group may further include a chip case including a needle through-hole so that the first needle group and the second needle group penetrate and protrude to the outside.

[0012] It may be characterized in that the number of needles included in the first needle group is larger than the number of needles included in the second needle group.

[0013] The first needle fixing part corresponding to the first needle group is arranged in a matrix having a plurality of rows and a plurality of columns, and the perforation may be formed in a margin space that does not overlap with the first needle fixing part inside the region formed by the matrix.

[0014] The perforation part may be formed inside the smallest square or the smallest triangle in which the needle fixing part included in the matrix can be formed.

[0015] The needles included in the second needle group may be formed to be even longer than the needles included in the first needle group.

[0016] The first needle group and the second needle group may be formed such that when they are discharged to the outside to the maximum extent, the end points are located at the same depth.

[0017] At least one of the needles included in the needle group may be provided with a hollow part so that drug supply is possible.

[0018] The skin treatment device including the needle group further includes a needle circuit board that is simultaneously connected to the first circuit board and the second circuit board so as to supply RF high-frequency energy to the needles included in the first needle group and the second needle group, and a bracket that is configured between the second circuit board and the needle circuit board and supports the needle circuit board.

[0019] The skin treatment device including the needle group may be configured such that a circuit connection is made between the first circuit board and the second circuit board through an elastic spring whose one end is supported by the needle circuit board and a needle electrode rod inserted into the elastic spring.

[0020] The skin treatment device including the needle group includes a main circuit board connected to the needle circuit board and a vibration motor, and may further include needle moving means for pushing at least the first circuit board and the second circuit board to pass the needles included in the first needle group and the second needle group through the needle through holes of the chip case.

[0021] According to another aspect, a skin treatment device including a needle group includes a first needle group and a second needle group. The first needle group is arranged in a matrix having a plurality of rows and a plurality of columns, and the second needle group may be formed inside a minimum square or a minimum triangle that can be formed by the needles included in the matrix.

[0022] According to another aspect of the present invention, the plurality of needles included in a skin treatment device including a plurality of needles include a first needle group arranged in a square matrix of m×n (m is a natural number of 2 or more and represents the number of rows, n is a natural number of 2 or more and represents the number of columns), and among the first needle group, needles arranged at (a, b) (where a is 1 or more and (m−1) or less, and b is 1 or more and (n−1) or less), needles arranged at (a, b + 1), needles arranged at (a + 1, b), and a second needle group arranged inside the minimum square formed by the needles arranged at (a + 1, b + 1).

[0023] According to another aspect of the present invention, among the plurality of needles included in a skin treatment device including a plurality of needles, the first needle group is arranged in a plurality of m (m is a natural number of 2 or more) rows. Among the m rows, in any a (a is a natural number of 1 or more and (m−1) or less) rows, n (n is a natural number of 2 or more) needles are arranged, in the (a + 1) row, (n−1) needles are arranged, and the needles arranged in the (a + 1) row are arranged to be located between the needles in the a row in the x-axis direction. Among the first needle group, a second needle group is included and is arranged inside (for example, at the center) of the minimum triangle formed by the needles arranged at (a, b) (a is a natural number of 1 or more and (m−1) or less, b is a natural number of 1 or more and (n−1) or less), needles arranged at (a, b + 1), and needles arranged at (a + 1, b).

[0024] According to the technical idea of the present invention, a driving method of a skin treatment device including a needle group includes: a step of receiving a treatment start signal by the skin treatment device including the needle group; and a step of moving, in a traveling direction, a first circuit board having a first needle group, which is a part of the needle group including a plurality of needles, fixed thereto and having a perforation formed therein, and a second circuit board having a second needle group, which is the remaining part of the needle group, fixed thereto, wherein the second needle group may be formed to protrude outside through the perforation of the first circuit board.

Advantages of the Invention

[0025] According to the technical idea of the present invention, when a plurality of needles are arranged to penetrate the skin or stimulate the skin, there is an effect that the area where the needles do not reach is reduced, and the intervals between the needles can be relatively closely arranged.

[0026] In particular, by fixing a part of the plurality of needles to the first circuit board and the remaining part to the second circuit board, the needles can be arranged more closely. Even when the intervals between the needles are closely arranged in a limited space, there is an effect that it is possible to prevent a short circuit failure from occurring when fixing the circuit board and the needles by soldering.

[0027] In addition, since the intervals between the needles can be closely arranged, there is an advantage that the treatment site can be concentrated and effectively treated.

Brief Description of the Drawings

[0028] In order to more fully understand the drawings cited in the detailed description of the present invention, a brief description of each drawing is provided.

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7a

Figure 7b

Figure 8

Figure 9

Figure 10

Figure 11

Mode for Carrying Out the Invention

[0029] Since the present invention can be subjected to various conversions and can have various embodiments, specific embodiments are shown in the drawings and described in detail. However, this is not for limiting the present invention to specific embodiments, and it should be understood to include all conversions, equivalents, and alternatives included in the spirit and technical scope of the present invention. When explaining the present invention, if it is determined that a specific explanation of related known technologies obscures the gist of the present invention, the detailed explanation thereof will be omitted.

[0030] Terms such as first and second are used to explain various components, but the above components should not be limited by the above terms. The above terms are used only for the purpose of distinguishing one component from another.

[0031] The terms used in this application are merely used to describe specific embodiments and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise.

[0032] In this specification, terms such as "comprising" or "having" are intended to specify the presence of the features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, and should be understood not to preclude in advance the possibility of the presence or addition of one or more other features, numbers, steps, operations, components, parts, or combinations thereof.

[0033] Hereinafter, the present invention will be described in detail centering on embodiments of the present invention with reference to the attached drawings. The same reference numerals presented in each drawing refer to the same members.

[0034] As shown in FIGS. 1 to 3, the skin treatment device 1000 including a group of needles of the present invention may include a body portion 100 that also functions as a handle of the handpiece, and a needle unit 200 detachably coupled to the body portion.

[0035] The skin treatment device 1000 including a group of needles may be a device that irradiates electrical energy after penetrating a plurality of needles into the skin for skin beautification or treatment. Depending on the embodiment, the skin treatment device 1000 including a group of needles may be a device used to apply only a certain level of stimulation outside the skin without penetrating the skin to form a wound.

[0036] The body part 100 includes a motor block 300 attached to the upper side inside the body cases 501 and 502, and a body block 400 attached to the lower side inside the body cases 501 and 502. The RF high-frequency energy and electrical energy supplied to the skin treatment device 1000 are supplied via a cable 520 coupled to the upper side of the body cases 501 and 502. For the sake of convenience of explanation, the connection of the circuit wiring is omitted. The motor block 300 may include a drive motor 301 and a shaft 302 that moves forward and backward along the central axis direction by the power of the drive motor.

[0037] Next, with reference mainly to FIGS. 4 and 5, the technical configuration and operation of the body block 400 of the present invention will be described.

[0038] The body block 400 may include a shaft support portion 401, a front support portion 402, a main circuit board support portion 403, a main circuit board 410, and an LED (light emitting diode) window 420.

[0039] The front support portion 402 is coupled to the shaft support portion 401 and the main circuit board support portion 403 and is fixed to the lower end portions of the body cases 501 and 502. The main circuit board 410 and the LED window 420 are coupled to the main circuit board support portion 403.

[0040] The main circuit board 410 may be configured such that a circuit can supply RF high-frequency energy to the needle. Further, the main circuit board 410 is configured with a connection pin 428 that is electrically connected to a circuit board to which the needle is fixed when the needle unit 200 is coupled to the body part 100, and may be configured to include a vibration motor 425 that generates vibration in the body part 100.

[0041] The vibration motor 425 can play a role in relieving muscle stiffness by gently massaging the stiffened skin in advance when forming a wound on the skin of the treatment site with the needle. In addition, when the subject holds the body part 100 for a long time during treatment, it can also provide the effect of reducing fatigue.

[0042] The LED window 420 serves as a display window showing the driving state of the treatment device during the treatment process. The body block 400 configured as described above may be configured such that, as shown in FIG. 2, the end of the shaft 302 and the connection pin 428 of the main circuit board penetrate through the LED window 420 and are exposed.

[0043] On the other hand, the needle unit 200 of the present invention may include needle groups 211 and 221 including a plurality of needles.

[0044] A first needle group 211, which is a part of the needle groups 211 and 221, may be fixed to the first circuit board 210. Also, a second needle group 221, which is the remaining part, may be fixed to the second circuit board 220. The second needle group 221 is arranged to penetrate through the perforation 212 formed in the first circuit board 210 and can penetrate the skin by protruding to the outside.

[0045] That is, according to the technical idea of the present invention, by fixedly arranging a plurality of needles on different circuit boards, it is possible to solve the problems that may occur when arranging a large number of needles on any one circuit board.

[0046] For example, as shown in FIGS. 4 and 6, it may include a first circuit board 210 on which the needles included in the first needle group 211 are fixed and the perforation 212 is formed.

[0047] As shown in FIG. 7a, the first needle group 211 may be fixed to the needle fixing portion 211a arranged at regular intervals on the back surface of the first circuit board 210 in a predetermined manner. For example, it may be fixed by various fixing methods such as soldering.

[0048] Of course, according to other embodiments, the circuit board and the needles defined herein may be integrally configured. For example, protrusions may be formed on a copper plate, and the protrusions may serve as needles while the copper plate serves as a circuit board. The technical idea of the present invention is that the circuit board and the needles may be provided in various ways, and the coupling or arrangement of the needles to the circuit board may mean that the circuit board and the needles are integrally formed, which can be easily inferred by an average expert in the technical field of the present invention.

[0049] On the other hand, as shown in FIG. 7a, the technical idea of the present invention illustrates an example in which the first circuit board 210, that is, the needles fixed to the circuit board arranged closer to the skin side, that is, the first needle group 211, are further arranged in a predetermined matrix on the outside, and the second circuit board 220, that is, the needles fixed to the circuit board arranged farther from the skin side, that is, the second needle group 221, are arranged between the matrices, but is not necessarily limited thereto.

[0050] That is, FIG. 7a shows a case where the number of needles included in the first needle group 211 is larger and the number of needles included in the second needle group 221 is smaller, and the second needle group 221 is arranged inside the region (the dotted region in FIG. 7) where the first needle group 211 is arranged as an example. However, depending on the embodiment, the number of needles included in the first needle group 211 fixed to the first circuit board 210 may be smaller than the number of needles included in the second needle group 221 fixed to the second circuit board 220. In this case, it can be easily inferred by an average expert in the technical field of the present invention that the needle groups 211 and 221 may be mounted such that the first needle group 211 is arranged between the second needle groups 221.

[0051] Moreover, according to the technical idea of the present invention, it is advantageous for achieving a uniform therapeutic effect that the depths of the end points reached by the first needle group 211 and the second needle group 221 when penetrating the skin are both constant. Of course, the first needle group 211 and the second needle group 221 do not necessarily have to penetrate the skin, and they may be used for the purpose of pressing and stimulating the skin at a certain level. In any case, the needles included in the second needle group 221 are preferably longer than the needles included in the first needle group 211 by a certain length or more. However, the scope of the rights of the present invention is not necessarily limited to this, and various embodiments are possible.

[0052] According to one embodiment, the needles included in the first needle group 211 may be fixed to the corresponding first needle fixing parts 211a, respectively.

[0053] As shown in FIG. 7a, the first needle fixing parts 211a may be arranged in a matrix having a plurality of rows and a plurality of columns. However, the embodiments of the arrangement of such first needle fixing parts 211a are diverse.

[0054] For example, FIG. 7a shows a case where the first needle fixing parts 211a are arranged in a 5×5 matrix, and each row shows a square matrix arranged at the same position in the x-axis direction as an example. Usually, the first needle fixing parts 211a may be arranged in a square matrix of m×n (m is a natural number of 2 or more representing the number of rows, and n is a natural number of 2 or more representing the number of columns).

[0055] A plurality of perforations 212 may be formed in a space within the region (dotted line region) formed by the matrix and not overlapping with the first needle fixing parts 211a with a margin.

[0056] According to one example, as shown in FIG. 7a, the first needle fixing portions 211a may be arranged in a square matrix. In such a case, the perforation portion 212 may be formed inside the smallest square that can be formed by the four needle fixing portions 211-1, 211-2, 211-3, and 211-4 included in the first needle fixing portion 211a. The perforation portion 212 may be located, for example, at the center of the smallest square.

[0057] That is, the square formed by the four adjacent first needle fixing portions 211a is the smallest square. In such a case, it is preferable to arrange another needle in the internal space of the smallest square. However, according to the technical idea of the present invention, the needle arranged in the internal space of the smallest square is not fixed to the same physical configuration as the four needle fixing portions 211-1, 211-2, 211-3, and 211-4 forming the smallest square, that is, the first circuit board 210, but to a different physical configuration, that is, the second circuit board 220. This can have the effect of reducing the interval between the needles and solving the problem of short circuit between the needle fixing portions 211a for fixing the needles.

[0058] For example, a perforation portion 212 may be respectively configured at the center of each of the smallest squares formed by each of the four needle soldering portions 211a. By configuring the perforation portion 212 at the center of the four adjacent needle soldering portions 211a, the perforation portion 212 may be located at a position forming an equilateral triangle with two adjacent first needle groups 211-1 and 211-2 among the first needle group 211.

[0059] Generally, when the first needle fixing parts are arranged in a regular matrix of m×n (m is a natural number of 2 or more, representing the number of rows, and n is a natural number of 2 or more, representing the number of columns), the needle fixing parts arranged at (a, b) (where a is a row number from 1 to (m - 1), and b is a column number from 1 to (n - 1)), the needle fixing part arranged at (a, b + 1), the needle fixing part arranged at (a + 1, b), and the needle fixing part arranged at (a + 1, b + 1) can form a minimum square. For example, when a and b are 1, the needle fixing part 211-1 arranged at (1, 1), the needle fixing part 211-2 arranged at (1, 2), the needle fixing part 211-3 arranged at (2, 1), and the needle fixing part 211-4 arranged at (2, 2) can form a minimum square. In such a case, a perforation part 212 may be formed inside the minimum square (for example, at the center).

[0060] Ultimately, since the arrangement of the needles penetrating the skin is the same as that of the needle fixing parts, by arranging one more needle at the center inside the minimum square formed by the four needles, there is an effect that the intervals between the needles can be arranged closely.

[0061] On the other hand, in FIG. 7, an example is shown where the first needle groups are respectively arranged in a regular matrix, and any row (for example, the first row including 211-1) and the next row (for example, the second row including 211-3) are arranged at the same position in the horizontally long direction. That is, the i-th needle (where i is from 2 to n) included in the first row of the first needle group and the i-th needle included in the second row exist at the same position on the x-axis, but may exist at positions separated by a predetermined interval D2 only in the y-axis direction. In such a case, the first needle group can form a minimum square with four needles 211-1, 211-2, 211-3, and 211-4.

[0062] However, according to other embodiments, in the first needle group, each needle included in the second row may be arranged between the needles in the first row. Such an example is shown in FIG. 7b.

[0063] As shown in FIG. 7b, the first needle fixing portion may include a plurality of m rows. Each of the a rows can have n elements, and each element may represent a position where the first needle fixing portion is disposed.

[0064] Also, the (a + 1) - th row can have (n - 1) elements, and each element of the (a + 1) - th row may be located between the elements of the a - th row in the x - axis direction as shown in FIG. 7b.

[0065] In such a case, the needle fixing portions disposed at (a, b) (where a is a natural number from 1 to (m - 1) and b is a natural number from 1 to (n - 1)), the needle fixing portion disposed at (a, b + 1), and the needle fixing portion disposed at (a + 1, b) can form a minimum triangle. For example, when a and b are both 1, the needle fixing portion 211 - 5 disposed at (1, 1), the needle fixing portion 211 - 6 disposed at (1, 2), and the needle fixing portion 211 - 7 disposed at (2, 1) can form a minimum triangle. In such a case, a perforation portion 212 may be formed inside the minimum triangle (e.g., at the center).

[0066] On the other hand, according to another embodiment, the skin treatment device 1000 including a needle group may include only any one circuit board. Even in such a case, in the skin treatment device 1000 including a needle group, the first needle group and the second needle group may be fixed to any one circuit board. In such a case, the first needle fixing portion to which the first needle group is fixed may be arranged in a matrix having a plurality of rows and a plurality of columns as shown in FIG. 7a. Also, instead of the perforation portion shown in FIG. 7a, needle fixing portions may be disposed.

[0067] The second needle fixing part corresponding to the second needle group, which is arranged at the position of the perforation part, may be formed inside the smallest square that can be formed by the four needle fixing parts 211-1, 211-2, 211-3, and 211-4 included in the first needle fixing part respectively. That is, as described above, the needles included in the second needle group may be arranged inside the smallest square formed by the four adjacent first needle fixing parts. In such a case, there is an effect that the needles can be arranged relatively densely without forming a plurality of circuit boards. Of course, in this case, the possibility of electrical short circuits between the needle fixing parts may further increase.

[0068] Generally, when the needle fixing parts are arranged in a normal m×n (m is a natural number of 2 or more and represents the number of rows, n is a natural number of 2 or more and represents the number of columns) square matrix, the needle fixing parts arranged at (a, b) (where a is 1 or more (m - 1) rows, and b is 1 or more and (n - 1) or less columns), the needle fixing part arranged at (a, b + 1), the needle fixing part arranged at (a + 1, b), and the needle fixing part arranged at (a + 1, b + 1) can form the smallest square. For example, when a and b are 1, the needle fixing part 211-1 arranged at (1, 1), the needle fixing part 211-2 arranged at (1, 2), the needle fixing part 211-3 arranged at (2, 1), and the needle fixing part 211-4 arranged at (2, 2) can form the smallest square. In such a case, one more needle fixing part may be formed inside the smallest square (for example, in the center).

[0069] Ultimately, since the arrangement of the needles penetrating the skin is the same as the arrangement of the needle fixing parts, by arranging one more needle in the center inside the smallest square formed by the four needles, there is an effect that the intervals between the needles can be arranged densely.

[0070] According to another embodiment, as shown in FIG. 7b, the first needle fixing part may include a plurality of m rows. The a-th row can have n elements, and each element may represent the position where the first needle fixing part is arranged.

[0071] Also, the (a + 1)-th row can have (n - 1) elements, and each element of the (a + 1)-th row may be located between the elements of the a-th row in the x-axis direction as shown in FIG. 7b.

[0072] In such a case, the needle fixing parts arranged at (a, b) (where a is a natural number from 1 to (m - 1) and b is a natural number from 1 to (n - 1)), the needle fixing parts arranged at (a, b + 1), and the needle fixing parts arranged at (a + 1, b) can form a minimum triangle. For example, when a and b are 1, the needle fixing part 211-5 arranged at (1, 1), the needle fixing part 211-6 arranged at (1, 2), and the needle fixing part 211-7 arranged at (2, 1) can form a minimum triangle. In such a case, one more needle fixing part may be formed inside (for example, at the center) of the above minimum triangle.

[0073] Ultimately, since the arrangement of the needles penetrating the skin is the same as the arrangement of the needle fixing parts, by arranging one more needle at the center inside the minimum triangle formed by three needles, there is an effect that the intervals between the needles can be arranged densely.

[0074] Ultimately, according to the technical idea of the present invention, whether the needles are fixed separately on a plurality of circuit boards or on any one of the circuit boards, one more needle can be arranged inside the minimum square or the minimum triangle in the conventional needle arrangement method, so that a higher skin treatment effect can be obtained.

[0075] Such an example will be described in more detail with reference to FIGS. 10 and 11.

[0076] FIG. 10 is a diagram for explaining a conventional needle arrangement method. To fix the needle, it is required that the needle fixing portion occupies an area above a certain level. Otherwise, the coupling force between the needle and the circuit board is insufficient. In such a case, the needle may detach from the circuit board or penetrate through the opposite side of the circuit board. After the needle penetrates the skin, there is a possibility that electrical energy flows, or the skin and the needle pins contract, and the needle may become stuck in the skin and unable to be removed. This is because of this reason.

[0077] Therefore, due to the size of such a needle fixing portion above a certain level, conventionally, as shown in FIG. 10a, the needle fixing portions were arranged in a square matrix format.

[0078] Then, as shown in FIG. 10b, the interval between the needles included in the same row, that is, Y - Y, is the interval between the skin perforations, that is, the area of the unperforated skin becomes about B. However, in the interval X - X between the needles located in the diagonal direction, an interval of about A, which is a relatively much larger interval, occurs. For example, when B is about 1.1 mm, an interval of about 1.95 mm occurs for A, which may mean that the unperforated skin area becomes relatively large and the treatment effect decreases.

[0079] However, according to the arrangement method of the needle fixing portion according to the technical idea of the present invention as shown in FIG. 11, while sufficiently ensuring the area of the needle fixing portion, a much denser needle arrangement becomes possible, and the treatment effect can be improved.

[0080] Referring to FIG. 11, when the needle fixing part is arranged in the square matrix system as described above, the perforation part or the needle fixing part can be arranged so that one needle can be further arranged inside the minimum square (for example, in the center). When the perforation part is arranged inside the minimum square (for example, in the center), it is a case where the needles are coupled to a plurality of circuit boards. When the needle fixing part is arranged inside the minimum square (for example, in the center), it may be a case where the needles are coupled to any one of the circuit boards. In such a case, regarding the interval between the needles included in the same row, that is, Y - Y, the skin perforation interval remains about B. However, regarding the interval X - X between the needles located in the diagonal direction, an interval of about C, which is a relatively much narrower interval, occurs. For example, when B is about 1.1 mm, C is about 0.58 mm, which may mean that the non-perforated skin area becomes relatively small and the treatment effect is very improved compared with the conventional method.

[0081] On the other hand, when the needle fixing parts included in a specific row of the needle fixing parts are located horizontally between the needle fixing parts of the previous row as described above, the perforation part or the needle fixing part can be arranged so that one needle can be further arranged inside the minimum triangle (for example, in the center) formed by the three needle fixing parts. When the perforation part is arranged inside the minimum triangle (for example, in the center), it is a case where the needles are coupled to a plurality of circuit boards. When the needle fixing part is arranged inside the minimum triangle (for example, in the center), it may be a case where the needles are coupled to any one of the circuit boards. In such a case, regarding the interval between the needles included in the same row, that is, Y - Y, the skin perforation interval becomes about D. However, regarding the interval between the needles formed along X - X, an interval of about C, which is a relatively much narrower interval, occurs. For example, when D is about 1.6 mm, C is about 0.58 mm, and also in such a case, it may mean that the non-perforated skin area becomes relatively small and the treatment effect is very improved compared with the conventional method.

[0082] Referring back to FIG. 7, the distance D1 between any one of the needle fixing portions 211a corresponding to the first needle group 211 and the adjacent perforation portion 212 may be configured to be 0.28 ± 0.1 mm, the distance D2 between the adjacent needle solder portions 211a adjacent to the needle solder portion 211a may be 0.75 ± 0.1 mm, the diameter of the needle solder portion 211a may be 1.2 ± 0.1 mm, and the diameter of the perforation portion 212 may be 1 ± 0.1 mm. Various embodiments are possible.

[0083] Further, a second circuit board 220 to which a second needle group 221 passing through the perforation portion 212 of the first circuit board 210 is fixed may be further included in the skin treatment device 1000 including the needle group. As shown in FIG. 8, the second needle group 221 may be fixed to the second needle solder portions 221a arranged at regular intervals on the back surface of the second circuit board 210 in a predetermined manner. The second needle group 221 may also be fixed to the second needle solder portion 221a by various methods such as soldering.

[0084] As described above, the diameter of each of the needles fixed to the first circuit board 210 and the second circuit board 220 may be configured to be 700 μm or less. If the diameter of the needle is 700 μm or more, there is a possibility that unnecessary pain and scars on the skin may increase.

[0085] Ultimately, according to the technical idea of the present invention, by dividing and fixing the needles to a plurality of circuit boards, the intervals between the needles can be densely arranged in a limited space region, and it is possible to fundamentally prevent the occurrence of short-circuit failures when fixing the needles to each circuit board by soldering. Since the present invention can densely arrange the intervals between the needles without short-circuiting in a limited space region, it is possible to increase the manufacturing yield in the manufacturing process of the needle unit, and there is an effect that the safety and treatment effect of the device can be further improved.

[0086] Each of the needles included in the first needle group 211 and the second needle group 221 is not limited to a structure in which the cross-section is circular, and can be configured in various shapes such as triangles, squares, polygons, or combinations of these shapes.

[0087] In addition, each of the needles included in the first needle group 211 and the second needle group 221 may be configured to form a hollow portion (not shown) in the central portion so that a drug required during treatment can be injected.

[0088] A spacer 230 for preventing a short circuit may be configured between the first circuit board 210 and the second circuit board 220.

[0089] Further, a needle circuit board 240 may be configured to be connected to the first circuit board 210 and the second circuit board 220 simultaneously so that RF high-frequency energy can be supplied to the first needle group 211 and the second needle group 221 in the needle unit 200. A bracket 250 may be configured between the second circuit board 220 and the needle circuit board 240, and the needle circuit board 240 may be coupled and fixed to the bracket. A shaft contact member 270 is configured between the second circuit board 220 and the bracket 250. The shaft contact member 270 may contact the end of the shaft 302 that has descended through the hole 241 formed in the center of the needle circuit board 240 and the hole 251 formed in the center of the bracket 250.

[0090] On the upper side of the needle circuit board 240, elastic springs 281 and 282 may be provided, one end of which is supported by the needle circuit board 240 and the other end is inserted into the needle electrode rods 291 and 292 and supported by the steps 291a and 292a of the needle electrode rods, respectively.

[0091] On the upper side of the needle circuit board 240, when the needle unit 200 is coupled to the body unit 100, connection terminals (not shown) may be configured to which the connection pins 428 of the main circuit board of the body block 400 are coupled to connect the circuits to each other. The connection terminals configured on the needle circuit board 240 may be configured in a copper foil shape to facilitate the connection and separation of the connection pins 428 of the main circuit board.

[0092] The lower ends 291b and 292 of the needle electrode rods into which the elastic springs are inserted may penetrate through the holes 242 and 243 formed on both sides of the needle circuit board 240 and the holes 252 and 253 formed on both sides of the bracket 250 and be coupled to the first circuit board 210 and the second circuit board 220.

[0093] By configuring the needle electrode rods 291 and 292 as described above, RF high-frequency energy and / or electrical energy can be provided from the needle circuit board 240 to the first circuit board 210 and the second circuit board 220. That is, in a state where the lower ends 291b and 292 of the needle electrode rods are circuitously connected and fixed so as to be able to supply electrical energy to the first circuit board 210 and the second circuit board 220, the elastic springs 281 and 282 are connected to the copper foil surfaces formed in the holes 242 and 243 formed on both sides of the needle circuit board 240, and the springs 281 and 282 may be connected to the steps 291a and 292a of the electrode rods 291 and 292 so as to be constantly electrically connected to the needle circuit board 240. The needle electrode rods 291 and 292 serve as moving terminals connected to the holes 242 and 243 formed on both sides of the needle circuit board 240 and can be constantly electrically connected to the circuit of the needle circuit board 240.

[0094] On the other hand, in the embodiments of the present invention, the case of mainly supplying RF energy and / or electrical energy through the needles will be described as an example. However, depending on the embodiments, the skin treatment device 1000 according to the present invention can also be used for applications that penetrate the skin or only provide stimulation outside the skin without supplying such RF energy and / or electrical energy. Therefore, in the former case, adjacent needles may be arranged so as to have different polarities from each other, and in the latter case, the needles may have no polarity or a single polarity.

[0095] Since the needle electrode rods 291 and 292 are elastically supported by the elastic springs 281 and 282 supported by the needle circuit board 240, they act to pull the coupling bundle composed of the shaft contact member 270, the second circuit board 220, the spacer 230, and the first circuit board 210 toward the bracket 250. When the drive motor 301 is driven to move the shaft 302 downward, the shaft contact member 270 is pushed, and the coupling bundle such as the first circuit board 210 and the shaft contact member 270 can descend in the traveling direction, that is, toward the skin side, with reference to the bracket 250.

[0096] The coupling bundle composed of the shaft contact member 270, the second circuit board 220, the spacer 230, and the first circuit board 210, and the bracket 250, the needle circuit board 240, and the needle electrode rods 291 and 292 may be incorporated in the chip case 297.

[0097] The chip case 297 may be formed with needle through-holes 298 and 299 through which the ends of the first group of needles 211 and the second group of needles 221 pass simultaneously. Further, a fastener 296 for fastening to the body part 100 may be included. As shown in FIG. 9, the needle through-hole 298 may be configured such that the first needle group 211 passes through it, and the needle through-hole 299 may be configured such that the second needle group 221 passes through it. The lengths by which the first needle group 211 and the second needle group 221 protrude outside the needle through-holes 298 and 299 are determined by the target depth of the wound by the needles. When targeting the dermis layer of the skin, it can be set to 500 to 2,000 μm. Also, as described above, the end points of the lengths by which the first needle group 211 and the second needle group 221 protrude outside the needle through-holes 298 and 299 may be formed to be the same.

[0098] On the other hand, the skin treatment device 1000 provided with the needle group of the present invention as described above may vibrate during the treatment.

[0099] For example, the operator may issue a treatment start signal (e.g., power on) with the end in contact with the treatment site of the skin. Then, the vibration motor 425 is driven, and a massage effect is produced by the end of the chip case 297 in contact with the skin, so that the stiffness of the skin can be alleviated. With the vibration added or with the vibration motor 425 turned off after the massage, when the drive motor 301 is driven to lower the shaft 302 at regular intervals, the end of the shaft 302 presses the shaft contact member 270 to lower the first circuit board 210 and the second circuit board 220 simultaneously, and the first needle group 211 and the second needle group 221 can pierce the skin to form wounds.

[0100] In the above state, by irradiating the wound part with RF high-frequency energy by the first needle group 211 and the second needle group 221, the skin can be treated.

[0101] The above description of the present invention is for illustrative purposes. Those with ordinary knowledge in the technical field to which the present invention pertains will be able to understand that it can be easily deformed into other specific forms without changing the technical idea and essential features of the present invention. Therefore, the embodiments described above should be understood as illustrative in all aspects and not restrictive. For example, each component described in a single form may be implemented dispersedly, and similarly, the components described as dispersed may also be implemented in a combined form. The scope of the present invention is indicated by the claims described later rather than the above detailed description, and all changes or modified forms derived from the meaning and scope of the claims and the concept of their equivalents should be construed as being included in the scope of the present invention.

Industrial Applicability

[0102] The skin treatment device equipped with the needle group of the present invention can be used for skin beauty, skin diseases, local fat removal, etc.

Explanation of Reference Numerals

[0103] 100 Body part 200 Needle Unit 210 First Circuit Board 211 First Needle Group 211a, 221a Needle Fixing Parts 212 Piercing Part 220 Second Circuit Board 221 Second Needle Group 230 Spacer 240 Needle Circuit Board 241, 242, 243, 251, 252, 253 Holes 250 Bracket 281, 282 Elastic Springs 291, 292 Needle Electrode Bars 296 Fastener 297 Chip Case 298, 299 Needle Through-Holes 300 Motor Block 301 Driving Motor 302 Shaft 400 Body Block 401 Shaft Support Part 402 Front Support Part 403 Main Circuit Board Support Part 410 Main Circuit Board 420 LED Window 425 Vibration Motor 428 Connection Pin 501, 502 Body Case 520 Cable 1000 Skin Treatment Device

Claims

1. A needle group including a plurality of needles, A first circuit board in which a first needle group, which is a part of the needle group, is fixed and a perforation is formed, A second circuit board to which a second needle group, which is the remaining part of the needle group, is fixed, comprising, A skin treatment device comprising a needle group, wherein the second needle group is formed to protrude outside through the perforation of the first circuit board.

2. The skin device comprising the needle group, further comprises a chip case having a needle through-hole such that the first needle group and the second needle group penetrate and protrude outside, the skin treatment device comprising the needle group according to claim 1.

3. The skin treatment device comprising the needle group according to claim 1, characterized in that the number of needles included in the first needle group is larger than the number of needles included in the second needle group.

4. The first needle fixing part corresponding to the first needle group, is arranged in a matrix having a plurality of rows and a plurality of columns, The perforation, is formed in a margin space that does not overlap with the first needle fixing part inside the region formed by the matrix, the skin treatment device comprising the needle group according to claim 1.

5. The perforation, is formed inside the smallest square that can form the needle fixing part included in the matrix, the skin treatment device comprising the needle group according to claim 4.

6. The needles included in the second needle group, are formed to be further longer than the needles included in the first needle group, the skin treatment device comprising the needle group according to claim 1.

7. The first needle group and the second needle group are A skin treatment device comprising the needle group according to claim 6, wherein when each protrudes outward to the maximum extent, the end points are located at the same depth.

8. At least one of the needles included in the needle group A skin treatment device comprising the needle group according to claim 1, characterized in that it is provided with a hollow portion so that drug supply is possible.

9. The skin treatment device comprising the needle group A needle circuit board that is simultaneously connected to the first circuit board and the second circuit board so as to supply RF high-frequency energy to the needles included in the first needle group and the second needle group, and is configured between the second circuit board and the needle circuit board. A skin treatment device comprising the needle group according to claim 1, further comprising a bracket that supports the needle circuit board.

10. The skin treatment device comprising the needle group An elastic spring having one end supported by the needle circuit board, and a needle electrode bar inserted into the elastic spring, and the circuit connection between the first circuit board, the second circuit board, and the needle circuit board is performed. A skin treatment device comprising the needle group according to claim 9, characterized in that it is configured as such.

11. The skin treatment device comprising the needle group A main circuit board and a vibration motor connected to the needle circuit board are provided, and needle moving means for pushing at least the first circuit board and the second circuit board to pass the needles included in the first needle group and the second needle group through the needle through holes of the chip case is further provided. A skin treatment device comprising the needle group according to claim 10, characterized in that it is provided.

12. A skin treatment device including a plurality of needles, The plurality of needles A first needle group arranged in a square matrix of m×n (m is a natural number of 2 or more, which is the number of rows, and n is a natural number of 2 or more, which is the number of columns), Among the first needle group, a needle arranged at (a, b) (where a is a row from 1 to (m−1), and b is a column from 1 to (n−1)), a needle arranged at (a, b + 1), a needle arranged at (a + 1, b), and a second needle group arranged inside the smallest square formed by the needles arranged at (a + 1, b + 1), A skin treatment device comprising a needle group including

13. A skin treatment device including a plurality of needles, Among the plurality of needles, The first needle group is Arranged in a plurality of m (m is a natural number of 2 or more) rows. Among the m rows, in any a (a is a natural number from 1 to (m−1)) rows, n (n is a natural number of 2 or more) needles are arranged, in the (a + 1) - th row, (n−1) needles are arranged, and the needles arranged in the (a + 1) - th row are arranged to be located between the needles in the a - th row in the x - axis direction. Among the first needle group, a second needle group arranged inside (for example, at the center) of the smallest triangle formed by a needle arranged at (a, b) (a is a natural number from 1 to (m−1), b is a natural number from 1 to (n−1)), a needle arranged at (a, b + 1), and a needle arranged at (a + 1, b). A skin treatment device comprising a needle group including

14. A driving method of a skin treatment device comprising a needle group, A step in which the skin treatment device comprising the needle group receives a treatment start signal, A step in which the skin treatment device comprising the needle group responds to the treatment start signal and moves a first circuit board on which a first needle group, which is a part of the needle group including a plurality of needles, is fixed and a perforation part is formed, and a second circuit board on which a second needle group, which is the remaining part of the needle group, is fixed. Including A driving method of a skin treatment device including a needle group, characterized in that the second needle group is formed to protrude to the outside through the perforated portion of the first circuit board.

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