KR101230006B1 - Iontophoresis Patch - Google Patents

Iontophoresis Patch Download PDF

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Publication number
KR101230006B1
KR101230006B1 KR1020100021033A KR20100021033A KR101230006B1 KR 101230006 B1 KR101230006 B1 KR 101230006B1 KR 1020100021033 A KR1020100021033 A KR 1020100021033A KR 20100021033 A KR20100021033 A KR 20100021033A KR 101230006 B1 KR101230006 B1 KR 101230006B1
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KR
South Korea
Prior art keywords
battery
cover
region
electrode
electrode layer
Prior art date
Application number
KR1020100021033A
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Korean (ko)
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KR20110101787A (en
Inventor
최영권
김정주
박성민
국영훈
Original Assignee
아이큐어 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 아이큐어 주식회사 filed Critical 아이큐어 주식회사
Priority to KR1020100021033A priority Critical patent/KR101230006B1/en
Priority to PCT/KR2011/001552 priority patent/WO2011111962A2/en
Publication of KR20110101787A publication Critical patent/KR20110101787A/en
Application granted granted Critical
Publication of KR101230006B1 publication Critical patent/KR101230006B1/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/0002—Galenical forms characterised by the drug release technique; Application systems commanded by energy
    • A61K9/0009—Galenical forms characterised by the drug release technique; Application systems commanded by energy involving or responsive to electricity, magnetism or acoustic waves; Galenical aspects of sonophoresis, iontophoresis, electroporation or electroosmosis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/0404—Electrodes for external use
    • A61N1/0408—Use-related aspects
    • A61N1/0428—Specially adapted for iontophoresis, e.g. AC, DC or including drug reservoirs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
    • A61K9/7023—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms

Abstract

A battery replacement type iontophoresis patch is provided.
The present invention provides a patch body having a connection area connecting between a first area and a second area having the same size or different sizes; A first electrode layer applied to one surface of the first region: a second electrode layer applied to one surface of the second region: an adhesive layer applied to cover the first electrode layer and the second electrode layer; And at least one battery extending from the first electrode layer and the second electrode layer and electrically connected to the first electrode and the second terminal portion respectively connected to the first electrode and the second electrode which are externally exposed through the connection region. It includes a power supply disposed to be replaceable.

Description

Iontophoresis Patch

The present invention relates to an iontophoresis patch, and more particularly, a power supply including a battery is provided in a detachable structure so as to be freely replaceable from the patch body according to the use environment, regardless of the capacity of the battery or the fermentation time of the drug. The present invention relates to an iontophoresis patch that can use a patch.

In general, iontophoresis refers to a technology that allows a microcurrent to flow through the skin to penetrate a substance of interest with charge into the skin by electrical repulsion. When a patch containing a substance of interest is attached to the skin, a circuit is formed to generate a current and the substance of interest penetrates into the skin by electrical repulsive force. The rate of penetration of the substance of interest is known to be influenced by the amount of current flowing and the voltage.

The iontophoresis patch is generally composed of a power supply including a battery and a patch body forming an electrode, and generally divided into two types, a separate type and a single type integrated with each other.

In the case of the separate iontophoresis patch, the electrode is composed of a consumable material, and once used and disposed, the power supply unit can be used continuously by replacing only the battery, which is economical and has the advantage of using various electrode patch electrodes.

On the other hand, the integrated iontophoresis patch has a merit that the power supply unit consisting of a one-time battery is fixed to the electrode, which is suitable for simple disposable use and the volume is reduced in appearance.

As an integrated iontophoresis patch, Korean Patent Publication No. 10-20090106926 discloses a substrate having a variable shape, a first electrode layer in contact with the substrate, and a part in contact with a portion of the first electrode layer. A first electrode layer, a second electrode layer in contact with the substrate and located on the same plane as the first electrode layer, a current collector in contact with the second electrode layer, an electrically conductive adhesive in contact with the second electrode layer and a current collector; A second electrode layer in contact with the current collector and opposite to the first electrode layer, and an ion conductive polymer electrolyte positioned between the first electrode layer and the second electrode layer; And it discloses a battery-integrated iontophoresis patch comprising an adhesive for sealing the ion conductive polymer electrolyte.

The integrated iontophoresis patch is provided with an integrated battery for providing current to the first and second electrode layers, thereby reducing the apparent volume and convenience of use without a complex peripheral power supply configured to supply current as described above. There is an advantage to provide a thin film iontophoresis patch.

However, if the use time of the battery integrally provided in the patch is longer or shorter than the fermentation time of the drug, there is a problem in use that the battery with the remaining capacity must be discarded with the patch or the patch with the remaining fermentation time of the drug must be discarded with the battery. Even if the adhesion of the hydrophilic conduction gel that adheres the electrode to the skin is weakened, it cannot be used regardless of the remaining battery capacity.

Accordingly, the present invention is to solve the above problems, the object of the present invention is to provide a simple and quick replacement of the power supply unit including a removable detachable iontophoresis patch is a simple thin film structure and ease of use By maintaining and replacing the batteries or patches separately as needed, the present invention aims to provide iontophoresis patches that are easy to manufacture and increase economic efficiency.

As a specific means for achieving the above object, the present invention, the patch body having a connecting area for connecting between the first region and the second region having the same size or different sizes; A first electrode layer applied to one surface of the first region: a second electrode layer applied to one surface of the second region: an adhesive layer applied to cover the first electrode layer and the second electrode layer; And at least one battery extending from the first electrode layer and the second electrode layer and electrically connected to the first and second terminal portions respectively connected to the first and second electrode exposure portions that are externally exposed through the connection region. And a power supply unit arranged to be replaceable in the connection area,
The power supply unit includes the first cover and the second cover, the lower cover in contact with one surface of the connection area, the upper cover in contact with the other surface of the connection area,
The lower cover extends from the first and second terminal portions to expose the first and second lead lines respectively in contact with one surface and the other surface of the battery, and includes a battery placement groove into which the battery is inserted and disposed.
The upper cover is provided with an assembly protrusion which is inserted into the assembly hole formed in the lower cover and assembled with the battery cover covering the upper part of the battery, and connected with the battery cover via the folding grooves, while turning up and down at the boundary of the folding grooves. It includes a terminal cover to cover or expose the two terminal,
The upper cover is elastically coupled to the elastic coupling portion provided on the lower cover is elastically coupled to the free end to narrow the first and second terminals of the power supply therebetween, the first electrode exposure of the patch body An iontophoresis patch is provided that is configured to electrically connect a portion to a second electrode exposure portion.

Preferably, the adhesive layer may include a first adhesive layer applied to the first region to cover the first electrode layer coated on one surface of the first region, and a second electrode layer to cover the second electrode layer coated on one surface of the second region. It consists of a 2nd adhesive layer applied to an area | region.

Preferably, the connection region includes a connection adhesive layer which extends from the first adhesive layer or the second adhesive layer and is applied to externally expose the first and second electrode exposed portions.

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Preferably, the power supply unit is provided with a light emitting means that is electrically connected to the battery.

According to the present invention, by providing a power supply unit electrically connected to the first and second electrode layers in the connection region connecting between the first region having the first electrode layer and the second region having the second electrode, The battery can be selectively removed and replaced according to the usage of the battery and the use of the patch body, which improves the convenience of using the patch. The effect which can prevent the lowering of the film is obtained.

1 is a rear view showing an iontophoresis patch according to a first embodiment of the present invention.
2 is an exploded perspective view showing an iontophoresis patch according to a first embodiment of the present invention.
3 is a detailed view showing an iontophoresis patch according to a first embodiment of the present invention.
4 (a) and 4 (b) are state diagrams showing the iontophoresis patch according to the first embodiment of the present invention.
5 is an exploded perspective view illustrating an iontophoresis patch according to a second embodiment of the present invention.
6 is an exploded perspective view illustrating an iontophoresis patch according to a third embodiment of the present invention.

Preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

As shown in FIGS. 1 to 3, the iontophoresis patch 100 according to the first embodiment of the present invention includes a patch body 100a, first and second electrode layers 110 and 120, an adhesive layer 130, and a power source. Supply unit 140 is included.

The patch body 100a may include a first region 101 and a second region 102, which may be shaped to have the same size or have different sizes, and the first region 101 and the first region 101. The two regions 102 are provided with a connecting region 103 which connects them integrally while separating them.

The patch body 100a is preferably a polyethylene terephthalate (polyethylene terephthalate) or polyacrylonitrile (polyacrylonitrile) film having a thickness of 5 ~ 200㎛, may be attached to a nonwoven fabric to produce a patch body.

Here, the first region 101 may be larger than the second region 102 and may be provided in different shapes, but the first region 101 is limited to the first region 101 and the second region 102 according to the use of the patch. Silver may be provided in the same shape with the same size.

The first electrode layer 110 and the second electrode layer 120 are conductive layers coated with a conductive material on the first region 101 and the second region 102 of the patch body 100a, respectively.

The first and second electrode layers 110 and 120 are conductive materials containing any one of carbon ink of carbon powder, silver ink of silver powder, and nickel ink of nickel powder on the first and second regions 101 and 102. It can be made by thickness coating.

The first and second electrode layers 110 and 120 may extend from the first and second electrode layers 110 and 120 to protrude in the direction facing each other to form the connection region 103, and may be electrically connected to the anode and the cathode of the power supply unit. 111 and a second electrode exposing portion 112.

The first electrode exposing unit 111 and the second electrode exposing unit 112 may be made of the same conductive material as the first electrode layer 110 and the second electrode layer 120, but is not limited thereto. A slurry made of a material, a conductive agent, and a binder may be applied to extend from the first and second electrode layers 110 and 120 to the connection region 103 to face each other.

In this case, manganese dioxide powder and carbon powder are preferable as materials generating electricity applied to form the first and second electrode exposed portions 111 and 112. The binder may be made of any one or combination of polyethylene oxide, polyvinyl alcohol, polyvinyl pyrrolidone, polymethyl methacrylate.

The adhesive layer 130 is a first adhesive layer 131 is applied in accordance with the shape of the first region 101 to cover the entire first electrode layer 110 coated on one surface of the first region 101 and the first A second adhesive layer 132 is applied to the shape of the second region so as to cover the entire second electrode layer 120 coated on one surface of the second region 101.

Here, the first and second adhesive layers 131 and 132 constituting the adhesive layer 130 may be made of a gel conductive adhesive containing a conductive material.

Accordingly, the adhesive layer 130 is not applied to the connection region 103 connecting the first region 101 and the second region 102 to extend from the first and second electrode layers 110 and 120. An exposure area for externally exposing the two electrode exposure parts 111 and 122 is formed.

Here, the connection region 103 is further provided with a connection adhesive layer which extends from the first adhesive layer 131 or the second adhesive layer 132 and is applied to externally expose the first and second electrode exposure parts 111 and 122. As a result, the adhesive force of the patch body 100a may be further increased by increasing the adhesive region of the adhesive layer 130.

The power supply unit 140 includes power supply means for supplying current to the first and second electrode layers 110 and 120, through a connection area connecting the first and second regions 101 and 102. First and second terminal portions 141 and 142 respectively connected to the first and second electrode exposure portions 111 and 122 exposed to the outside, and electrically connected to the first and second terminal portions 141 and 142. At least one battery 143 is provided to be replaceable in the connection region 103.

The power supply unit 140 includes first and second terminal portions 141 and 142 that correspond to the first electrode exposure portion 111 and the second electrode exposure portion 122, respectively, and is a surface of the connection region 103. An elastic that is elastically coupled to the lower cover 140b in contact with the lower surface, one end of the lower cover, the elastic coupling portion 148b provided on the other end of the lower cover 140b on the other end that is a free end The upper cover 140a includes a coupling part 148a and contacts the upper surface of the other side of the connection region 103.

Accordingly, the power supply 140 is the elastic coupling between the elastic coupling portion 148a formed at the end of the upper cover 140a and the elastic elastic coupling portion 148b formed at the end of the lower cover 140b. The connection area 103 is bitten and fixed between the upper cover 140a and the lower cover 140b so that the connection area 103 can be easily replaced with the connection area 103.

Here, the elastic coupling portion 148a is provided as an elastic projection jaw, and the elastic elastic coupling portion 148b is shown and described as being provided with an elastic groove that is elastically inserted into the elastic projection jaw is forcibly separated by an external force. The present invention is not limited thereto and may be provided opposite to each other, and may be provided in various forms of elastic coupling structures.

In addition, the lower cover 140b extends from the first and second terminal parts 141 and 142 to expose the first and second lead lines 141a and 142a in contact with one surface and the other surface of the battery 143, respectively, and the battery 143 is provided with a battery placement groove 144 is inserted.

In addition, the upper cover 140a is provided with an assembly protrusion 146 inserted into the assembly hole 145 formed in the lower cover 140b to assemble the battery cover 147 covering the upper portion of the battery 143 and the folding groove. And a terminal cover 148 connected to the battery cover 147 through the 149 to cover or expose the first and second terminal parts 141 and 142 while pivoting up and down with respect to the folding groove 149.

Accordingly, the battery cover 147 is assembled to the assembly hole 145 of the lower cover 140b so that the upper cover 140a and the lower cover 140b are separated from the battery 143 by the upper and lower laminated structures. And the terminal cover 148 connects the power supply 140 to the connection area 103 of the patch body 100a by elastic coupling and separation between the elastic coupling part 148a and the elastic elastic coupling part 148b. It can be separated and detached from the connection area 103 to provide a fixing force to secure to or replaceable.

In addition, any one of the first and second lead lines 141a and 142a provided in the battery placement groove 144 of the lower cover 140b is shown in FIG. Extends from any one of the battery 143 to contact the lower surface of the battery 143 or extends from the other one of the first and second terminal portions to be connected to the upper surface of the battery 143. Is bent.

Accordingly, when the upper cover 140a and the lower cover 140b are assembled in the state where the battery 143 is disposed in the battery placement groove 144, the first and second lead lines 141a and 142a may be formed. End portions are electrically connected to the first and second terminal portions 141a and 142a in contact with the top and bottom surfaces of the battery 143, respectively.

6, the power supply unit 140 includes first and second terminal portions 141 and 142 that correspond to the first and second electrode exposure portions 111 and 122, respectively. To cover and fix the lower cover 140a in contact with the lower surface of the connection area 103 and the battery 143 inserted into the battery placement groove 144 recessed in the upper surface of the lower cover 140b. External through the upper cover 140a and the first and second terminal holes 103 and 104 formed to protrude through the first and second terminal portions 141 and 142, respectively, to penetrate the first and second electrode exposed portions 111 and 122. The coupling fixing piece 150 having the first and second fixing holes 153 and 154 correspondingly coupled to the exposed first and second terminal protrusions 151 and 152 may be provided.

Accordingly, the coupling fixing piece 150 has the first and second terminal protrusions 151 and 152 exposed upward from the first and second terminal holes 103 and 104 formed through the connection region 103. The power supply unit 140 is connected to the patch body 100a by the coupling and separation between the first and second terminal protrusions 151 and 152 and the coupling fixing piece 150 by inserting and fixing them in the interference fit type (153 and 154). It can be separated from the connection area 103 to provide a fixing force to secure the 103 or replaceable.

Here, the coupling fixing piece 150 is preferably made of an insulating material such as plastic, rubber material so that electrical connection between the first terminal protrusion and the second terminal protrusion is difficult.

In addition, the power supply unit 140 is provided with light emitting means such as a light emitting LED that is electrically connected to the battery so as to visually check the operating capacity of the battery 143 while visually checking the operating state of the battery 143. It is preferable to provide.

On the other hand, the electrode material to be applied to a portion of the first electrode layer 110 is determined according to the charge of the material of interest to be mounted on the first electrode layer 110, when the material of interest to be administered to the human body is applied to the negative electrode material If it is a positively charged material, it is designed to apply the positive electrode material to generate electric repulsive force.

In the exemplary embodiment of the present invention, the first electrode layer 110 operates as the anode and the second electrode layer 120 operates as the cathode. The operating principle of the present invention is based on the electron flow resulting from the battery reaction ( Electrical repulsive force using current) penetrates the polar substance of interest into the skin.

That is, the power supply unit 140 having a battery 143 provided as a battery or a rechargeable battery is elastic between the elastic coupling part 148a and the elastic elastic coupling part 148b by the upper and lower couplings of the upper and lower cover with the connection area. First and second terminal parts 141 and 142 which are assembled to be replaced in the connection area 103 by being coupled or elastically coupled between the first and second terminal protrusions 151 and 152 and the coupling fixing piece 150 and connected to the battery. Is electrically connected to the first and second electrode exposure parts 111 and 122 to supply the positive and negative currents of the battery 143 to the first and second electrode layers 110 and 120, respectively.

In such a state, when the material of interest is mounted on the first electrode layer 110 and the iontophoresis patch 100, in which the power supply is replaceably assembled, is attached to the skin via an adhesive layer containing a conductive material, the battery 143 ) And the first and second electrode layers 110 and 120 to form a circuit so that the material of interest penetrates into the skin.

When a series of circuits are formed, the electrons from the cathode are charged on the surface of the second electrode layer 120 via the battery 143, the second terminal portion 142, and the second electrode exposure portion 122. After passing through, it moves in the skin toward the first electrode layer 110 in the form of negative ions. Negative ions moving in the skin move to the anode in the form of electrons through the charge transfer step at the interface between the skin and the first electrode layer 110, and participate in the reduction reaction. This moves the substance of interest with the same polarity into the skin.

On the other hand, since the usage time of the battery 143 reaches the limit, the iontophoresis effect is weak or the battery 143 is completely discharged, so that the iontophoresis effect cannot be obtained at all, and thus, the power supply unit 140 is separated. And then dispose of the new power supply unit 140 again to the patch body or to separate the power supply unit from the patch body that has reached the end of its service life due to the remaining capacity of the battery 143, and then separated into a new patch body 100a. When the power supply unit 140 is to be remounted, the elastic coupling between the coupling portion and the coupling portion formed at each end of the upper and lower covers 140a and 140b is released or the interference between the first and second terminal protrusions and the coupling fixing piece is prevented. By releasing the fitting it is possible to easily perform the operation of separating the power supply unit 140 from the patch body.

While the invention has been shown and described with respect to particular embodiments, it will be understood that various changes and modifications can be made in the art without departing from the spirit or scope of the invention as set forth in the claims below. It will be appreciated that those skilled in the art can easily know.

100a: patch body 101: the first area
102: second area 103: connection area
110: first electrode layer 111: first electrode exposed portion
120: second electrode layer 122: second electrode exposed portion
130: adhesive layer 131, 132: first, second adhesive layer
140: power supply 140a, 140b: upper, lower cover
141,142: first and second terminal portion 143: battery
144: battery placement groove 147: battery cover
148: terminal cover 148a: elastic coupling portion
148b: elastic elastic coupling portion 149: folding groove
150: fixed coupling pieces 151,152: first and second terminal projections

Claims (9)

A patch body (100a) having a connection area (103) connecting between the first area (101) and the second area (102) having the same size or different sizes;
A first electrode layer 110 applied to one surface of the first region 101;
A second electrode layer 120 coated on one surface of the second region 102;
An adhesive layer 130 applied to cover the first electrode layer 110 and the second electrode layer 120; And
A second electrode extending from the first electrode layer 110 and the second electrode layer 120 and connected to the first electrode exposure part 111 and the second electrode exposure part 112, respectively, which are externally exposed through the connection region 103. And a power supply unit 140 having at least one battery 143 electrically connected to the first and second terminal parts 141 and 142 so as to be replaced in the connection area 103.
The power supply unit 140 includes the first and second terminal portions 141 and 142, and a lower cover 140b contacting one surface of the connection region 103 and an upper cover 140a contacting the other surface of the connection region 103. ),
The lower cover 140b extends from the first and second terminal portions 141 and 142 to expose the first and second lead lines 141a and 142a which are in contact with one surface and the other surface of the battery 143, respectively, and the battery 143 ) Is provided with a battery placement groove 144 is disposed,
The upper cover 140a has an assembly protrusion 146 inserted into the assembly hole 145 formed in the lower cover 140b to assemble the battery cover 147 and the folding groove 149 to cover the upper portion of the battery 143. The terminal cover 148 is connected to the battery cover 147 to cover or expose the first and second terminal portions 141 and 142 while pivoting up and down at the boundary of the folding groove 149.
The upper cover 140a has an elastic coupling portion 148a provided at a free end of the upper cover 140a and is elastically coupled with the elastic elastic coupling portion 148b provided at the lower cover 140b, so that the power supply unit 140 may be disposed therebetween. The ion topography system is configured to narrow the first and second terminal portions 141 and 142 and electrically connect the first and second electrode exposure portions 111 and 112 of the patch body 100a. Patch 100. The method of claim 1,
The adhesive layer 130 includes a first adhesive layer 131 applied to the first region 101 to cover the first electrode layer 110 coated on one surface of the first region 101, and the second region 102. The iontophoresis patch 100, characterized in that the second adhesive layer 132 is applied to the second region 102 so as to cover the second electrode layer 120 coated on one surface. The method of claim 2,
The connection region 103 includes a connection adhesive layer extending from the first adhesive layer 131 or the second adhesive layer 132 so as to externally expose the first and second electrode exposure parts 111 and 122. Iontophoresis patch (100). delete delete delete delete delete The method of claim 1,
The power supply unit 140 is iontophoresis patch 100, characterized in that it comprises a light emitting means that is electrically connected to the battery 143 is turned on.
KR1020100021033A 2010-03-09 2010-03-09 Iontophoresis Patch KR101230006B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020100021033A KR101230006B1 (en) 2010-03-09 2010-03-09 Iontophoresis Patch
PCT/KR2011/001552 WO2011111962A2 (en) 2010-03-09 2011-03-07 Iontophoresis patch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100021033A KR101230006B1 (en) 2010-03-09 2010-03-09 Iontophoresis Patch

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KR20110101787A KR20110101787A (en) 2011-09-16
KR101230006B1 true KR101230006B1 (en) 2013-02-05

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KR101898579B1 (en) * 2016-12-08 2018-09-13 광운대학교 산학협력단 Dry adsorption pad
KR102047668B1 (en) * 2018-05-17 2019-11-22 성균관대학교산학협력단 Dry bonding system comprising a micro elastic particle and a method thereof

Citations (4)

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Publication number Priority date Publication date Assignee Title
KR20010109350A (en) * 1999-04-12 2001-12-08 나까도미 히로다카 Iontophoresis device and current application method
KR100610252B1 (en) * 2004-07-01 2006-08-10 주식회사 엘지생활건강 Iontophoresis device
JP2006526454A (en) 2003-06-02 2006-11-24 パワー ペーパー リミティド Kit, apparatus and method for controlled delivery of oxidant into skin
KR20080044259A (en) * 2005-08-05 2008-05-20 티티아이 엘뷰 가부시키가이샤 Iontophoresis device

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Publication number Priority date Publication date Assignee Title
US9421356B2 (en) * 2007-08-28 2016-08-23 Teikoku Pharma Usa, Inc. Transdermal methods and systems for the delivery of corticosteroid compounds

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Publication number Priority date Publication date Assignee Title
KR20010109350A (en) * 1999-04-12 2001-12-08 나까도미 히로다카 Iontophoresis device and current application method
JP2006526454A (en) 2003-06-02 2006-11-24 パワー ペーパー リミティド Kit, apparatus and method for controlled delivery of oxidant into skin
KR100610252B1 (en) * 2004-07-01 2006-08-10 주식회사 엘지생활건강 Iontophoresis device
KR20080044259A (en) * 2005-08-05 2008-05-20 티티아이 엘뷰 가부시키가이샤 Iontophoresis device

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WO2011111962A3 (en) 2012-03-15
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