KR102340846B1 - Needle for skin treatment with wrinkles for uniform energy supply and skin treatment device - Google Patents

Abstract

The present invention relates to a needle for skin treatment and a skin treatment device having energy equalization wrinkles, which minimizes damage to the epidermal layer and can supply energy to various depths in the skin according to the purpose of the treatment, while the supplied energy is not excessively focused It is designed to have a uniform distribution so that the skin regeneration rate can be increased and the treatment period can be shortened.

Description

Needle and skin treatment device for skin treatment with energy equalization wrinkles

The present invention relates to a needle for skin treatment, and in particular, it minimizes damage to the epidermal layer and can supply energy to various depths in the skin according to the purpose of the procedure, while the supplied energy is not excessively focused and has a uniform distribution, thereby speeding up skin regeneration It relates to a needle for skin treatment and a skin treatment device that can increase the level of the skin and shorten the treatment period.

In general, the skin covering the entire body consists of three layers: the epidermis, dermis, and subcutaneous fat.

Among them, the epidermal layer is the most superficial layer of the skin, and it is composed of several layers such as the stratum corneum, transparent layer, granular layer, stratum corneum, and basal layer depending on the location and function, and is responsible for protection, defense, and secretion.

In addition, the dermis layer is located below the epidermal layer and is located adjacent to the basal layer to make up most of the skin, and moisture, proteins, carbohydrates, mucopolysaccharides, minerals, inorganic salts, etc. are in a jelly state, so capillaries related to blood circulation It consists of the papillary layer, where the lymphatic vessels carrying lymph are located, and the reticular layer containing collagen, a collagen fiber that is related to wrinkles in the skin, elastin, an elastic fiber that gives elasticity to the skin, and a matrix (reservoir of water).

Recently, a treatment method that directly delivers energy, such as a high-frequency current, to the dermal layer of the skin through a needle to activate cell tissues, thereby maintaining elastic skin and minimizing skin aging.

As an example of a device for such a skin treatment method, Korean Patent Application Laid-Open No. 2013-0012805 (2013.02.05.) discloses a high-frequency generator, a plurality of needles that provide high-frequency energy transmitted from the high-frequency generator to the inside of the skin, and , a driving unit for providing power to insert the plurality of needles into the skin, and inserting the ends of the plurality of needles to the first target position inside the skin, and then to move it to the second target position in the inserted state There is disclosed a skin treatment device using high frequency, characterized in that it further comprises a control unit for controlling the driving unit.

However, the skin treatment device of the prior art has a problem in that a single electrode needle transmits high-frequency energy not only to the dermal layer but also to the epidermal layer, causing damage to the epidermal layer.

On the other hand, in order to solve the problems of the prior art as described above, a needle was developed to supply energy by removing the insulating film only at the lower end after coating the insulating film on the surface. There was a problem in that energy could not be supplied to various depths in the skin required according to the purpose of treatment.

Korean Patent Publication No. 2013-0012805 (2013.02.05.)

Accordingly, the present invention has been proposed to solve the problems of the related art as described above, and an object of the present invention is to minimize damage to the epidermal layer and supply energy to various depths in the skin according to the purpose of the procedure, while the supplied energy is excessive. An object of the present invention is to provide a needle for skin treatment and a skin treatment device, which can increase the skin regeneration rate and shorten the treatment period by having a uniform distribution without being focused.

In order to achieve the above object, the needle for skin treatment according to the technical idea of the present invention is a needle for skin treatment that provides energy to the tissue in the skin to increase the skin regeneration rate, and is made of a conductive material and is It consists of a needle body to be inserted into the skin, and a conductive part is provided in a portion of the outer peripheral surface of the needle body to form an electric field differentiated from other parts of the needle body, but the conductive part is formed with a number of wrinkles It is characterized in the technical configuration that the electric field formed through the conductive part is not biased to any one place and has a uniform distribution.

Here, it may be characterized by further comprising an insulating film coated with an insulating material on the rest of the outer peripheral surface of the needle body except for the conductive part.

In addition, the insulating film may be characterized in that it is provided with parylene or Teflon as a material.

In addition, the remaining portions of the outer peripheral surface of the needle body except for the portion where the conductive portion is to be formed are etched by micromachining to form the conductive portion in a protruding shape, and the conductive portion and the recessed portion are formed in a relatively concave shape. Each having a front and rear width of 100 to 300 micrometers, a plurality of are provided alternately along the front and rear directions of the needle body, and the depth of the corrugations formed in the conducting part may be formed to be 5 to 15 micrometers.

In addition, the conductive part is formed in a shape recessed by micromachining etching on the outer peripheral surface of the needle body, and a plurality of them are formed in a form spaced apart along the front-rear direction of the needle body, and the depth of the corrugation formed in the conductive part is It may be characterized in that it is formed to 5 to 15 micrometers.

In addition, the conductive part may be characterized in that only one is formed on the outer peripheral surface from the front end to the rear end of the needle body, or a plurality of are formed spaced apart from each other.

In addition, the conductive part may be characterized in that it is formed over the entire 360 degrees in the circumferential direction of the outer peripheral surface of the needle body.

In addition, the conductive part may be characterized in that it is formed in only one direction of the outer peripheral surface of the needle body to have directionality.

In addition, the conducting part is formed to be spaced apart from each other on the outer circumferential surface of the needle body and a plurality of doedoes are formed to have a wider front and rear width from the rear end to the front end of the needle body, and the depth of the wrinkle is also formed to be deeper, so that the insertion depth into the skin is deep. It may be characterized in that it is possible to form a stronger electric field.

In addition, the wrinkle is made by continuously forming concave semicircular corrugated troughs, and the connection line between the corrugated trough and the corrugated trough is formed in a sharply protruding form. It may be characterized in that it can be formed.

In addition, the wrinkle is formed by etching by micromachining and may be characterized in that it is formed to a depth of 1/4 or less of the diameter of the needle body.

In addition, the depth of the corrugation may be characterized in that 5 to 15 micrometers.

On the other hand, the skin treatment device of the present invention, the support member; and a plurality of needles installed in the lower part of the support member to be inserted into the skin from the tip end; and characterized in that it includes a needle.

In addition, the skin treatment device of the present invention, the support member; and a plurality of needles installed in the lower part of the support member to be inserted into the skin from the tip of the skin, wherein the needle is made of a conductive material and made of a needle body to be inserted into the skin from the tip, the needle body A conductive part, which is a region induced to form an electric field differentiated from other parts of the needle body, is provided in a part of the outer peripheral surface of the The needle is provided with a directional needle having a shape formed in only one direction among the outer circumferential surfaces of the needle body so that the conducting portion has directionality, and the directional needle is centered on the central portion of the installation surface of the support member. It is characterized in that it is installed in the periphery of the technical configuration that the conductive part is installed to face the central portion of the installation surface of the support member.

Here, the needle is provided with a non-directional needle having a shape in which the conducting part is formed over 360 degrees in the circumferential direction of the outer circumferential surface of the needle body together with the directional needle. can

In addition, the directional needle and the non-directional needle may further include an insulating film coated with an insulating material on the rest of the outer peripheral surface of the needle body except for the conductive part.

In addition, among the directional needle and the omni-directional needle, the omni-directional needle is formed so that the conductive part is spaced apart from each other on the outer circumferential surface of the needle body and has a wider front and rear width as it goes from the rear end to the front end of the needle body, and the depth of the wrinkle It may also be formed more deeply, so that the deeper the insertion depth into the skin, the stronger the electric field is formed.

The needle and skin treatment device for skin treatment according to the present invention minimize damage to the epidermal layer and supply energy to various depths in the skin depending on the purpose of the treatment, while the supplied energy is not excessively focused and has a uniform distribution to regenerate the skin It can speed up and shorten the treatment period.

1 is a perspective view of a needle for skin treatment according to a first embodiment of the present invention;
Figure 2 is a longitudinal cross-sectional view for explaining the configuration of the needle for skin treatment according to the first embodiment of the present invention;
3 is an electric field distribution graph of a conductive part having wrinkles in the needle for skin treatment according to the first embodiment of the present invention;
Figure 4 is a graph showing the electric field strength (electric field norm) distribution of the conductive part having wrinkles in the needle for skin treatment according to the first embodiment of the present invention;
5 is an electric field distribution graph of a wrinkle-free conduction unit in a skin treatment needle according to a comparative example;
Figure 6 is a graph showing the electric field strength (electric field norm) of the conduction part without wrinkles in the skin treatment needle according to the comparative example
7 is a graph comparing the strength of the electric field formed in the conduction part of the needle for skin treatment according to the first embodiment and the needle for skin treatment according to the comparative example;
8 is a perspective view for explaining a skin treatment device to which a needle for skin treatment according to the first embodiment is applied;
9 is a flowchart for explaining a manufacturing method for manufacturing a needle for skin treatment according to the first embodiment
10 is a perspective view of a needle for skin treatment according to a second embodiment of the present invention;
11 and 12 are bottom views for explaining a skin treatment device to which a needle for skin treatment according to a second embodiment of the present invention is applied.
13 is a perspective view of a needle for skin treatment according to a third embodiment of the present invention;
14 is a longitudinal cross-sectional view of a needle for skin treatment according to a third embodiment of the present invention;
15 is a perspective view of a needle for skin treatment according to a fourth embodiment of the present invention;
16 is a side view of a needle for skin treatment according to a fourth embodiment of the present invention;
17 is a perspective view of a needle for skin treatment according to a fifth embodiment of the present invention;
18 is a side view of a needle for skin treatment according to a fifth embodiment of the present invention
19 is a perspective view of a needle for skin treatment according to a sixth embodiment of the present invention;
20 is a side view of a needle for skin treatment according to a sixth embodiment of the present invention;

A needle for skin treatment and a skin treatment device according to embodiments of the present invention will be described in detail with reference to the accompanying drawings. Since the present invention can have various changes and can have various forms, specific embodiments are illustrated in the drawings and described in detail in the text. However, this is not intended to limit the present invention to the specific disclosed form, it should be understood to include all modifications, equivalents and substitutes included in the spirit and scope of the present invention. In describing each figure, like reference numerals have been used for like elements. In the accompanying drawings, the dimensions of the structures are enlarged than actual for clarity of the present invention, or reduced than actual in order to understand the schematic configuration.

Also, terms such as first and second may be used to describe various elements, but the elements should not be limited by the terms. The above terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, a first component may be referred to as a second component, and similarly, a second component may also be referred to as a first component. Meanwhile, unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by those of ordinary skill in the art to which the present invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present application. does not

<First embodiment>

1 is a perspective view of a needle for skin treatment according to a first embodiment of the present invention, and FIG. 2 is a longitudinal sectional view for explaining the configuration of a needle for skin treatment according to a first embodiment of the present invention.

As shown, the needle 100 for skin treatment according to the first embodiment of the present invention is an insulating material harmless to the human body, such as parylene or Teflon, so as to surround the needle body 110 and the outer surface of the needle body 110 . and an insulating film 120 coated with

And some regions of the insulating film 120 are removed by micro-machining etching to form a conductive part 110b differentiated from other parts. In the conductive part 110b, a needle body 110 is formed by micro-machining etching. A pleat 111 is provided.

The conductive part 110b provided in this way is differentiated from other parts of the needle body 110 coated with the insulating film 120 to form a relatively strong electric field, and it is possible to apply higher energy to the skin. Furthermore, when a plurality of wrinkles 111 are formed in the conductive part 110b, the electric field is formed to have a uniform distribution without being biased to any one place in the conductive part 110b region. The effect obtained by the formation of the wrinkles 111 will be described in more detail later.

The conductive portion 110b may be formed on the outer peripheral surface from the tip portion 110a to the rear end of the needle body 110 depending on the purpose of the procedure, but is preferably formed in plurality in a form spaced apart from each other as shown. The conductive portion (110b) is formed over the entire 360 degrees in the circumferential direction of the outer peripheral surface of the needle body (110) as shown. As such, when a plurality of conducting parts 110b formed at 360 degrees are provided on the outer peripheral surface of the needle body 110, an electric field is simultaneously formed at a plurality of points in the skin into which the needle is inserted, so that energy can be applied to the skin tissue in an almost non-directional manner. do.

The wrinkle 111 is formed by micromachining etching of the needle body 110 in the conductive portion 110b region. The wrinkle 111 is made by continuously forming concave semicircular corrugated troughs 111a, and the connecting line 111b between the corrugated trough 111a and corrugated trough 111a protrudes as seen in the enlarged part of FIG. It is sharply formed in the shape of If the wrinkle 111 is formed in a form in which the convex semicircular protrusions are continuously formed instead of the concave semicircular corrugated valleys 111a continuously formed, the connecting line 111b cannot be formed in a sharply protruding form.

According to this configuration of the present invention, since the electric field tends to be mainly focused on the angled corner, a stronger electric field is formed around the connecting line 111b formed in a sharply protruding form by the concave semicircular corrugated valley 111a, As can be seen from the graphs of FIGS. 3 and 4, since there are many connection lines 111b of such a corrugated valley 111a even when viewed only within one conductive part 110b region, the electric field is uniformly distributed with high intensity as a whole. will have a form Accordingly, it is possible to apply strong and uniform high-quality energy into the skin.

If we look at the comparative example in which only the conductive part is formed on the needle and the wrinkle 111 is not formed unlike the first embodiment of the present invention, as can be seen through the graphs of Figures 5 and 6, the formation of the conductive part is Due to this, the electric field is concentrated to an excessive extent only at the end of the conductive part having an angular shape, and the strength of the electric field is formed too low in other areas, so that the electric field is distributed non-uniformly as a whole. Looking at FIG. 7 comparing the first embodiment and the comparative example, it can be seen that the impressive action and effect of the wrinkle 111 in the first embodiment of the present invention is made. In FIG. 7 , it can be clearly seen that the conductive part 110b of the first embodiment in which the wrinkle 111 is formed generates an electric field of higher strength than the conductive part of the comparative example without wrinkles, and shows a uniform distribution over the entire conductive part 110b region.

Therefore, in the case of the needle according to the first embodiment of the present invention having the wrinkle 111 in the conductive part 110b, it is much advantageous to control the intensity and amount of energy applied to the skin because the electric field can be uniformly formed. , it is possible to implement high-quality skin treatment accordingly.

Here, the wrinkles 111a of the wrinkles 111 are formed by micromachining etching and are formed to a depth of 1/4 or less of the diameter of the needle body 110 . More specifically, it is preferable that the depth of the corrugated bone (111a) is formed to be 5 to 15 micrometers in consideration of the diameter of the needle body (110). If the wrinkled trough 111a of the wrinkle 111 exceeds 1/2 of the needle diameter, there is a risk that the needle body 110 may be easily broken, and the wrinkled trough 111a of the wrinkle 111 has a depth of 5 micrometers. When it is formed less than a meter, it is difficult to form at a sufficient level while showing a clear difference in the strength of the electric field compared to other regions.

The tip portion 110a of the needle body 110 is formed in a sharp shape to be easily inserted into the skin, and it is preferable that the tip portion 110a is also coated with the insulating film 120 . However, since the needle body 110 itself is formed with a thin thickness, the tip portion 110a does not necessarily have to be sharply formed in order to be inserted into the skin, and the insulating film 120 is necessarily coated on the sharp tip portion 110a. It is not limited to be formed as However, the rear end of the needle body 110 is preferably coated with an insulating film 120 to protect the epidermal layer of the skin. This is to help shorten the regeneration period after the procedure by not applying energy by an electric field to the epidermal layer of the skin exposed to the external environment as it is, and to prevent the traces of the treatment through the epidermal layer from being exposed to the outside during the regeneration period after the procedure. .

In addition, although the needle body 110 is shown as being solid in the drawings, it may be hollow for the purpose of drug injection. With respect to the shape of the needle body 110, although a cylindrical shape is preferable as shown in the drawings, it is not limited to being formed in the shape of a prism having a polygonal cross-section. In particular, in the case of a directional needle to be described later in the second embodiment, such a prismatic needle body may act advantageously.

8 is a perspective view for explaining a skin treatment device to which a needle for skin treatment according to the first embodiment is applied.

As shown, the skin treatment device to which the needle for skin treatment according to the first embodiment of the present invention is applied includes a support member 200 and a needle array comprising the needle 100 of the first embodiment described above.

In the case of the support member 200, it has a detailed configuration that can be applied to the needle body 110 by receiving power, but since such a configuration is known, a detailed description thereof will be omitted.

Although the drawings show that the needles are installed in two rows aligned on both sides of the lower side of the support member 200, a plurality of needles are arranged in a more diverse manner, so that the needle array is not limited. In particular, in the case of the needle for skin treatment according to the first embodiment, since the conductive part 110b and the wrinkle 111 are formed on the outer circumferential surface of the needle body 110 in a 360 degree circumferential direction, an omni-directional needle close to omni-directional in forming a magnetic field Therefore, it can be placed relatively freely.

9 is a flowchart for explaining a manufacturing method for manufacturing a needle for skin treatment according to the first embodiment.

9, the needle for skin treatment according to the first embodiment of the present invention is manufactured through a pretreatment step, an insulating film coating step, an insulating film etching step, a conductive part etching step, and a needle washing step.

In the pretreatment step, the rod-shaped needle body 110 having a sharp tip portion 110a purchased or prepared in advance is washed with water and an acidic cleaning solution and dried.

In the insulating film coating step, the insulating film 120 is coated on the pre-treated needle body 110 . A chemical vapor deposition method may be used to coat the insulating film 120 . The insulating film 120 is made of parylene or Teflon, which is safe for the human body.

In the insulating layer etching step, the conductive portion 110b is formed by removing the insulating layer 120 in a predetermined area. To this end, when the insulating film 120 is removed by etching along the circumferential direction of the needle body 110 , the conductive part 110b is formed while the outer peripheral surface of the needle body 110 is exposed. In such an insulating film etching step, if the insulating film 120 is loosened by applying thermal energy to the insulating film 120 before micromachining etching is performed in the insulating film etching step, the insulating film 120 is easily removed. The operation of forming the conductive portion 110b by partially removing the insulating film as described above may be performed using various methods, although preferably micromachining may be used.

In the conductive part etching step, a plurality of wrinkles 111 are formed by performing micromachining etching while rotating 360 degrees with respect to the outer circumferential surface of the needle body 110 exposed in the conductive part 110b region. At this time, the concave semicircular corrugated trough 111a is continuously formed by micromachining etching, but the corrugated trough 111a and the wrinkled trough 111a are directly adjacent to each other without leaving a gap between the corrugated trough 111a and the corrugated trough 111a. The connecting line 111b between them is formed in a sharply protruding shape. As already described above, a higher intensity electric field can be formed at a plurality of points through the sharply protruding connection line 111b.

In the needle cleaning step, residues generated through the micromachining etching process for the insulating film 120 and the needle body 110 are removed.

Continuingly, other embodiments modified in various forms will be described below. For reference, reference numerals of respective parts will be used as they are in the case of parts or components corresponding to the first embodiment.

<Second embodiment>

10 is a perspective view of a needle for skin treatment according to a second embodiment of the present invention, and FIGS. 11 and 12 are bottom views for explaining a skin treatment device to which a needle for skin treatment according to a second embodiment of the present invention is applied. to be.

As shown, the needle according to the second embodiment is directional instead of the conductive portion 110b having a wrinkle 111 as compared to the first embodiment is formed over 360 degrees in the circumferential direction of the outer circumferential surface of the needle body 110 as compared to the first embodiment It is characterized in that it is a directional needle (100A) formed in only one direction of the outer peripheral surface of the needle body 110 to have a.

According to the configuration of this second embodiment, when configuring the needle array in the skin treatment device, since the conductive parts 110b of all needles can be disposed to face the affected area, a high-intensity procedure that applies energy more intensively to the affected area of the skin It becomes possible to implement

For example, in the case of the skin treatment device shown in FIG. 11, each needle installed on the lower surface of the support member 200 is provided as a directional needle 100A, and each needle is arranged around the central portion where the affected part is located. 110b) shows a unique configuration to face the central part. According to this configuration, it becomes possible to apply energy intensively to the affected part while the conductive part 110b of all the directional needles 100A faces the central part of the installation surface of the support member 200 .

In the drawings, although the needle body 110 is shown as being solid, it may be hollow for the purpose of drug injection. With respect to the shape of the needle body 110, although a cylindrical shape is preferable as shown in the drawings, it is not limited to being formed in the shape of a prism having a polygonal cross-section. In particular, in the case of the second embodiment, since the needle is provided as a directional needle (100A), the needle body of a prismatic shape is advantageous if the side of the needle is arranged to face a specific direction.

In addition, in the case of the skin treatment device shown in FIG. 12, the directional needle 100A was installed around the center of the installation surface of the support member 200 as shown in FIG. There is a difference in that the omni-directional needle 100 is installed without being empty. In the case of a configuration in which the directional needle 100A and the non-directional needle 100 are combined, it is advantageous because the non-directional needle 10 can be inserted in the center of the affected area when the affected area is relatively wide.

In the case of the remaining components not described in relation to the configuration of the second embodiment, since they are substantially the same as those of the first embodiment, a detailed description thereof will be omitted.

<Third embodiment>

13 is a perspective view of a needle for skin treatment according to a third embodiment of the present invention, and FIG. 14 is a longitudinal cross-sectional view of a needle for skin treatment according to a third embodiment of the present invention.

As shown, in the needle according to the third embodiment, a plurality of conductive parts 110b having a wrinkle 111 are formed spaced apart from each other on the outer circumferential surface of the needle body 110 as compared to the first embodiment, the needle body 110 ) is formed to have a wider front and rear width from the rear end to the front end 110a, and the depth of the wrinkle trough 111a is also formed to be deeper, so that the deeper the insertion depth into the skin, the stronger the electric field can be formed. do.

According to the configuration of the third embodiment, a relatively strong electric field is formed widely in the part of the needle deeply inserted into the skin to apply high-intensity energy, whereas in the vicinity of the epidermal layer of the skin, a relatively weak electric field is formed narrowly and low-intensity energy is applied. can do. This makes it possible to differentiate the intensity of the procedure to such an extent that, while intensive treatment is performed deep inside the skin, there is hardly any indication near the epidermal layer of the skin exposed to the outside as it is. Accordingly, it is possible to make the procedure of the epidermal layer exposed to the outside proceed the fastest.

In the case of the remaining components not described in relation to the configuration of the third embodiment, since they are substantially the same as those of the first embodiment, a detailed description thereof will be omitted.

<Fourth embodiment>

15 is a perspective view of a needle for skin treatment according to a fourth embodiment of the present invention, and FIG. 16 is a side view of a needle for skin treatment according to a fourth embodiment of the present invention.

As shown, the needle according to the fourth embodiment is characterized in that compared to the first embodiment, the wrinkle 111 is formed by micromachining and etching the outer peripheral surface of the needle body 110 directly without the insulating film 120 . do it with In this fourth embodiment, the conductive portion 110b is a region in which the wrinkles 111 are formed.

According to the configuration of the fourth embodiment, there is no need for a process for forming the insulating film 120 and a separate process for forming the conductive part 110b in the manufacturing process, and the micromachining etching process performed twice is reduced to one. Therefore, there is an advantage in that the manufacturing method is simplified.

However, in the case of the configuration according to the fourth embodiment, since the strength of the electric field formed in the conductive part 110b and other parts of the needle body 110 is not large, if a specific point in the skin is There is a disadvantage in that there is some difficulty when trying to differentiate and apply high-intensity energy.

In the case of the remaining components not described in relation to the configuration of the fourth embodiment, since they are substantially the same as those of the first embodiment, a detailed description thereof will be omitted.

<Fifth embodiment>

17 is a perspective view of a needle for skin treatment according to a fifth embodiment of the present invention, and FIG. 18 is a side view of a needle for skin treatment according to a fifth embodiment of the present invention.

As shown, the needle according to the fifth embodiment is configured to compensate for the disadvantages according to the fourth embodiment, and the concave portion 110c having a concave shape by etching using micromachining on the outer peripheral surface of the needle body 110 ) is formed. The remaining portion protruding due to the formation of the concave portion 110c naturally constitutes the conductive portion 110b. Here, the conductive portion 110b and the recessed portion 110c are alternately disposed in the front-rear direction of the needle body 110 .

The concave portion 110c is formed to have a front and rear width of 100 to 300 micrometers and comes into contact with the skin with a lower contact strength than the conductive portion 110b having a protruding shape.

A plurality of wrinkles 111 formed by secondary micromachining etching are provided on the surface of the conductive part 110b. The wrinkle 111 formed in the conductive part 110b is formed of a corrugated valley 111a having a depth of 5 to 15 micrometers.

When the needle according to the fifth embodiment is inserted into the skin, both the recessed portion 110c and the conductive portion 110b are in direct contact with the skin, but make a difference while making contact with each other at different contact strengths. In this case, the conductive part 110b applies energy by the electric field in a relatively strong contact state compared to the recessed part 110c. At this time, although the conductive part 110b is in a protruding shape, since the plurality of wrinkles 111 play a role of uniformly distributing the electric field, there is no need to worry about the excessive concentration of the electric field at the end edge of the conductive part 110b.

In the case of the fifth embodiment, the conductive part 110b was formed in a 360-degree surrounding shape along the outer circumferential surface of the needle body 110 similarly to the first embodiment, but by modifying this, the conductive part 110b is unidirectional as in the second embodiment It can also be made to have a direction toward it. To this end, in the process of etching the recessed portion 110c, the conductive portion 110b formed in a ring shape through an additional etching operation may be reduced to an island shape oriented in one direction as in the second embodiment.

In addition, by modifying the fifth embodiment, as in the third embodiment, the plurality of conductive parts 110b is formed to have a wider front and rear width from the rear end of the needle body 110 to the front end 110a, and the corrugated bone 111a It is also possible to form a deeper depth, so that a stronger electric field can be formed as the depth of insertion into the skin increases.

In the case of the remaining configurations not described in relation to the configuration of the above-described fifth embodiment, since they are substantially the same as in the previous embodiments, a detailed description thereof will be omitted.

<Sixth embodiment>

19 is a perspective view of a needle for skin treatment according to a sixth embodiment of the present invention, and FIG. 20 is a side view of a needle for skin treatment according to a sixth embodiment of the present invention.

As shown, the needle according to the sixth embodiment is different from the fifth embodiment in that the conductive part 110b is formed from a protruding form to a concave concave form. In this case, micromachining is used to etch to form the concave conductive portion 110b.

The conductive part (110b) is formed to have a front and rear width of 100 to 300 micrometers and is provided in a form spaced apart from the outer circumferential surface of the needle body (110). A plurality of wrinkles 111 formed by secondary micromachining etching are provided on the surface of the conductive part 110b. The wrinkle 111 formed in the conductive part 110b is formed of a corrugated valley 111a having a depth of 5 to 15 micrometers. The conductive part 110b has a relatively low contact strength compared to other parts and comes into contact with the skin.

In the case of the needle according to the sixth embodiment, the conductive part 110b has a relatively low contact strength compared to other parts and applies energy by the electric field while in contact with the skin. At this time, since the plurality of wrinkles 111 formed in the conductive part 110b serves to uniformly distribute the electric field, there is no need to worry about the excessive concentration of the electric field at the end edge of the conductive part 110b.

Even in the case of this sixth embodiment, the conductive part 110b is formed in a 360-degree surrounding shape along the outer circumferential surface of the needle body 110 similarly to the fifth embodiment, but by modifying this, the conductive part 110b as in the second embodiment is It can also be made to have directionality in one direction, and as in the third embodiment, the plurality of conductive parts 110b are formed to have a wider front and rear width from the rear end to the front end 110a of the needle body 110, and corrugated trough 111a ) can also be formed deeper, so that a stronger electric field can be formed as the depth of insertion into the skin increases.

In the case of the remaining configurations not described in relation to the configuration of the above-described sixth embodiment, since they are substantially the same as in the previous embodiments, detailed description thereof will be omitted.

Although preferred embodiments of the present invention have been described above, various changes, modifications and equivalents may be used in the present invention. It is clear that the present invention can be equally applied by appropriately modifying the above embodiments. Accordingly, the above description is not intended to limit the scope of the present invention, which is defined by the limits of the following claims.

110: needle body 110a: (of the needle body) tip
110b: conduction part 110c: main part
111: wrinkles 111a: wrinkles
111b: connection line 120: insulating film

Claims (13)

A needle for skin treatment that provides energy to the tissues within the skin to increase the skin regeneration rate,
It consists of a needle body made of a conductive material and inserted into the skin from the tip,
A conductive part is provided in a portion of the outer peripheral surface of the needle body, and the conductive part has a plurality of corrugations of a concave semicircular cross-section having a depth of 1/4 or less of the diameter of the needle body and any value within the range of 5 to 15 micrometers. It is formed continuously without spacing along the longitudinal direction of the corrugated trough and the connecting line between the corrugated trough and the corrugated trough is formed in a sharply protruding form so that an electric field of higher strength than other parts is formed at a distance from each other, and the conductive part The electric field of higher intensity than other parts is focused by a plurality of connecting lines of the wrinkle in the
An insulating film coated with an insulating material is provided on the rest of the outer peripheral surface of the needle body except for the conductive part so that an electric field of relatively higher strength can be formed in the conductive part compared to other parts coated with the insulating film, characterized in that Needle for skin treatment. delete According to claim 1,
The insulating film is a needle for skin treatment, characterized in that provided with parylene or Teflon as a material. According to claim 1,
The conductive part and the recessed part have a front and rear width of 100 to 300 micrometers, respectively, and a plurality of needles for skin treatment, characterized in that they are alternately arranged along the front and rear directions of the needle body. delete According to claim 1,
The conductive part is a needle for skin treatment, characterized in that only one formed on the outer peripheral surface from the front end to the rear end of the needle body, or a plurality of are formed spaced apart from each other. 7. The method of claim 6,
The conductive part is a needle for skin treatment, characterized in that formed over the entire 360 degrees in the circumferential direction of the outer peripheral surface of the needle body. 7. The method of claim 6,
The conductive part is a needle for skin treatment, characterized in that formed in only one direction of the outer peripheral surface of the needle body to have directionality. According to claim 1,
The conduction part is formed to be spaced apart from each other on the outer circumferential surface of the needle body, and is formed to have a wider front and rear width from the rear end to the front end of the needle body. A needle for skin treatment, characterized in that it can form a higher intensity electric field with delete delete delete As a skin treatment device that provides energy to tissues within the skin by a needle to increase the skin regeneration rate,
support member; and
A plurality of needles for skin treatment according to any one of claims 1, 3, 4, and 6 to 9, which are installed in the lower portion of the support member and inserted into the skin from the tip;
A skin treatment device comprising a.

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