WO2003070100A1 - Electrode structural body - Google Patents
Electrode structural body Download PDFInfo
- Publication number
- WO2003070100A1 WO2003070100A1 PCT/JP2003/001781 JP0301781W WO03070100A1 WO 2003070100 A1 WO2003070100 A1 WO 2003070100A1 JP 0301781 W JP0301781 W JP 0301781W WO 03070100 A1 WO03070100 A1 WO 03070100A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrode
- insulating layer
- electrode layer
- support
- electrode structure
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
Links
Classifications
-
- 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
- A61N1/0412—Specially adapted for transcutaneous electroporation, e.g. including drug reservoirs
- A61N1/0416—Anode and cathode
- A61N1/0424—Shape of the electrode
-
- 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
- A61N1/0432—Anode and cathode
- A61N1/044—Shape of the electrode
Definitions
- the present invention relates to an electrode structure suitable as a biologically applicable electrode used in the medical field of treatment and diagnosis.
- This type of electrode structure is used for a device for delivering a physiologically active substance into a living body by using electric energy, and a device for extracting a diagnostic substance from a living body to outside the living body.
- Iontophoresis for example, Acta Derma tolvenereol, Vol. 64, pp. 93, 1984
- electoporation for example, Japanese Patent Application Laid-Open No. 3-5202416, Proc. N at 1. Acad. Sci. USA, Vol. 90, 2005-104, p. 508, pp. 1993
- there is a method of removing a diagnostic substance from a living body and observing a disease state for example, Nature Medicine, Vol. 1, pp. 119-120, pp. 1995). Year).
- an apparatus for delivering a physiologically active substance and an apparatus for extracting a diagnostic substance from a living body each require an electrode structure including an electrode.
- the electrode structure is provided with a depression for adding a gel such as a polymer containing an electrolyte.
- the electrode structure is manufactured, for example, as follows. First, an electrode layer with terminals is applied on a flat film, and an electrical insulating layer is provided in a portion other than a portion functioning as an electrode, and the electrode layer and the insulating layer are applied. A cup-shaped electrode structure having a depression is formed by forming a flat film that has been subjected to the heat treatment.
- an object of the present invention is to provide an electrode structure in which a crack is not easily generated in an electrode layer or an insulating layer in a bent portion.
- the above object is to provide a support having a bent portion, an electrode layer formed on the support through the bent portion, and an insulating layer formed on the electrode layer passing through the bent portion.
- This is achieved by an electrode structure in which at least one of the dielectrics constituting the layer has a glass transition temperature of 2 or less.
- the thickness of the insulating layer is 0.5 mm! 1100 m.
- the support can be made of a polyethylene terephthalate film or an insulating base material obtained by coating or laminating an insulating film on aluminum.
- the electrode layer can include at least one material from the group consisting of silver, silver chloride, and carbon.
- the portion of the electrode layer passing through the bent portion can be made of a paste mainly composed of carbon fiber.
- the inner angle and the conjugate angle of the bent portion can be set to 90 degrees to 270 degrees.
- a step of forming an electrode layer having a terminal portion on a support and forming a dielectric material having a glass transition temperature of 25 ° C. or less on the terminal portion of the electrode layer.
- a step of bending a specific portion of the support including the insulating layer is preferably formed by screen printing.
- FIG. 1 is a diagram showing one configuration example of an electrode structure according to the present invention before molding.
- FIG. 1 (a) is a plan view
- FIG. 1 (b) is a cross-sectional view taken along line XX ′ of (a).
- FIG. 2 is a cross-sectional view showing one configuration example of the electrode structure according to the present invention after molding.
- FIG. 3 is a cross-sectional view showing an example of the support used in the present invention.
- FIG. 1 is a view showing one configuration example of an electrode structure according to the present invention before molding.
- (A) is a plan view
- (b) is a cross-sectional view taken along line XX ′ of (a).
- an electrode layer 1 having a terminal portion 5 is formed on a support 3, and an insulating layer 2 is formed on the support 3 including the terminal portion 5 of the electrode layer 1.
- the insulating layer 2 is obtained by applying a dielectric paste by, for example, screen printing.
- FIG. 2 is a cross-sectional view showing one configuration example of the electrode structure according to the present invention after molding.
- the support 3 is bent at a portion including the insulating layer 2.
- a depression is formed in the support 3. Therefore, the support 3 has a bent portion 4 formed at the time of molding.
- the terminal portion 5 of the electrode layer 1 is drawn out through the bent portion 4 on the support 3.
- the insulating layer 2 ′ is located on the terminal portion 5 of the electrode layer 1 passing through the bent portion 4.
- the insulating layer does not extend during molding.
- the electrode layer does not follow the elongation of the film during molding.
- the present invention has been made based on the investigation of these causes.
- the thickness of the dielectric insulating layer is 0.5 / m or more: L 0 0 m, preferably 2 m to 50 m. With this thickness, the insulating layer can flexibly expand while maintaining the insulating properties.
- Examples of the material of the dielectric include, but are not limited to, polygen, polyacryl, polymethacryl, acrylamide, polyethylene, polyvinyl ester, polyester, polyurethane, polysiloxane, polyamide (nylon), polyacetal, and polypropylene. .
- Screen printing is used as a dielectric coating method. This method is excellent in that the coating thickness can be controlled and the printed area can be drawn with an accurate pattern.
- a paste containing at least one of silver, silver chloride, and carbon as a main component is preferably used for the electrode layer (electrode and terminal portion).
- the use of silver as the electrode material on the anode side and silver chloride containing silver (silver Z silver chloride) as the electrode material on the cathode side does not cause polarization.
- cracks are likely to occur in parts where stress is applied to the electrode terminal parts when forming the dents, that is, in the bent parts (bent parts).
- a conductive paste containing carbon as a main component is preferably used for this portion.
- the present inventor has found that the electrode terminal portion becomes rich in follow-up properties, so that cracks are not easily generated not only in the terminal portion (carbon layer) of the electrode layer but also in the insulating layer laminated thereon.
- the coating thickness of the carbon layer is 0.5 m to 100 zm, preferably 1 m to 75 m, and more preferably 2 m to 25 m. At this thickness, the terminal portion of the electrode layer has excellent conductivity and followability.
- the support is made of an insulating base material, on which electrodes and electrode terminals are applied, and is formed into a cup shape having a depression, and the drug and the electrolyte gel are held in the depression. Therefore, the support must be made of a material that has high moldability and is not easily deformed after molding.
- a polyethylene terephthalate film satisfies this condition, and since this film is an insulator, it can be suitably used as a support.
- a metal base such as aluminum having excellent moldability can be used as the support. Since this is conductive, it cannot be used as it is, and it is necessary to apply an insulating coat or a laminate to the surface of these metals.
- the material of the insulating coat include polygen, polyacryl, polymethacryl, acrylamide, polyvinyl alcohol, polyethylene, polyvinyl ester, polystyrene, polycarbonate, polyester, polyurethane, polysiloxane, polyamide, polyacetal, and polyacrylonitrile. But not limited thereto.
- Examples of the material of the insulating laminate include, but are not limited to, polyester, nylon, polypropylene, polyethylene, cellophane, and polyacrylonitrile.
- FIG. 3 is a cross-sectional view showing an example of the support used in the present invention.
- the support of this example is formed by coating an insulating film 32 on aluminum 31. Or laminated.
- the aluminum 31 preferably has a thickness of 6 m to: L 00, and more preferably 12 m to 75 m.
- the aluminum insulating film thus produced has excellent moldability and is suitable as an insulating base material. Unless the dielectric is directly applied not only to the electrode terminals but also to the support, problems such as electric leakage occur. Therefore, polyethylene terephthalate film or aluminum insulating film is suitable as a support (insulating base material) because it is easy to apply a dielectric or electrode paste.
- the bent portion refers to a portion formed by bending the support at least 20 degrees with respect to a plane.
- the bent angle is the bending angle a
- the resulting angle of the insulating layer 2 is the inner angle b, b '
- the angle of the insulating layer 2 is The angles on the opposite side are shown as conjugate angles c and c ', respectively. If the inner angle and its conjugate angle are both in the range of 90 to 270 degrees, cracks are unlikely to occur in the insulating layer and the electrode layer, but when the inner angle and the conjugate angle are smaller or larger than this range, cracks are likely to occur.
- the present invention selects a dielectric as an insulating layer, a coating method and a coating thickness thereof, and an electrode layer and a terminal portion thereof. This defines the material and its coating thickness, and the material of the support and its bending angle.
- the terminal part was placed on an aluminum insulating film made of laminated 50 m thick aluminum plate with 38 m thick polyester.
- a carbon paste having a thickness of about 20 m was applied by screen printing.
- a silver paste having a silver content of 90% (w / w) was applied in a circular shape so as to partially overlap the terminal portion 5 at a thickness of 40 zm as the electrode layer 1.
- a dielectric having a glass transition temperature of 25 ° C polyester resin, manufactured by Toyobo Co., Ltd., trade name: Byron GK150
- a dielectric having a glass transition temperature of 25 ° C polyester resin, manufactured by Toyobo Co., Ltd., trade name: Byron GK150
- a dielectric material having a glass transition temperature of 5 ° C. (polyester resin, manufactured by Unitika Ltd., trade name: Elitel UE 3220) was evaluated in the same manner as in Example 1.
- a dielectric material having a glass transition temperature of 2 ° C. (polyester resin, product name: Elitel UE3221 manufactured by Unitika Ltd.) was evaluated in the same manner as in Example 1.
- a dielectric material having a glass transition temperature of 120 ° C. (polyester resin, Elitel UE 3340, manufactured by Unitika Ltd.) was evaluated in the same manner as in Example 1.
- a dielectric material having a glass transition temperature of ⁇ 29 ° C. (polyester resin, manufactured by Unitika Ltd., trade name: Elitel UE 3410) was evaluated in the same manner as in Example 1.
- a silver paste was printed on an aluminum insulating film (a film obtained by laminating PET on aluminum) in the same manner as in Example 1, and then a dielectric material having a glass transition temperature of 85 ° C (polyester resin, manufactured by Unitika Ltd.) was used.
- Product name Elitel UE3690 was applied by screen printing to a thickness of 15 m. This was compression-molded in the same manner as in Example 1, and the occurrence of cracks was evaluated.
- a dielectric material having a glass transition temperature of 67 ° C. (polyester resin, manufactured by Toyobo Co., Ltd., trade name: Byron GK200) was evaluated in the same manner as in Example 1.
- a dielectric material having a glass transition temperature of 45 ° C. (polyester resin, manufactured by Unitika Ltd., trade name: Elitel UE 3210) was evaluated in the same manner as in Example 1.
- a dielectric material having a glass transition temperature of 40 ° C. (polyester resin, manufactured by Unitika Ltd., trade name: Elitel UE 3240) was evaluated in the same manner as in Example 1.
- a dielectric material having a glass transition temperature of 35 t: (polyester resin, manufactured by Unitika Ltd., trade name: Elitel UE350) was evaluated in the same manner as in Example 1.
- the results of Experimental Example 1 are as shown in Table 1.
- Table 1 A dielectric material having a glass transition temperature of 35 t: (polyester resin, manufactured by Unitika Ltd., trade name: Elitel UE350) was evaluated in the same manner as in Example 1.
- the results of Experimental Example 1 are as shown in Table 1. table 1
- This silver paste was applied as an electrode layer 1 in a circular shape so as to have a thickness of 40 xm and partially overlap the terminal portion 5.
- a dielectric having a glass transition temperature of 25 ° C polyester resin, manufactured by Toyobo Co., Ltd., trade name: Byron GK150
- a dielectric having a glass transition temperature of 25 ° C polyester resin, manufactured by Toyobo Co., Ltd., trade name: Byron GK150
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Laminated Bodies (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2003211523A AU2003211523A1 (en) | 2002-02-22 | 2003-02-19 | Electrode structural body |
| US10/505,158 US20050085887A1 (en) | 2002-02-22 | 2003-02-19 | Electrode structural body |
| JP2003569063A JPWO2003070100A1 (ja) | 2002-02-22 | 2003-02-19 | 電極構造体 |
| EP03705320A EP1484012A4 (en) | 2002-02-22 | 2003-02-19 | ELECTRODE STRUCTURE BODY |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002047029 | 2002-02-22 | ||
| JP2002-47029 | 2002-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2003070100A1 true WO2003070100A1 (en) | 2003-08-28 |
Family
ID=27750673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/001781 Ceased WO2003070100A1 (en) | 2002-02-22 | 2003-02-19 | Electrode structural body |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20050085887A1 (ja) |
| EP (1) | EP1484012A4 (ja) |
| JP (1) | JPWO2003070100A1 (ja) |
| AU (1) | AU2003211523A1 (ja) |
| WO (1) | WO2003070100A1 (ja) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7476222B2 (en) | 2003-06-30 | 2009-01-13 | Johnson & Johnson Consumer Companies, Inc. | Methods of reducing the appearance of pigmentation with galvanic generated electricity |
| US8734421B2 (en) | 2003-06-30 | 2014-05-27 | Johnson & Johnson Consumer Companies, Inc. | Methods of treating pores on the skin with electricity |
| US7480530B2 (en) | 2003-06-30 | 2009-01-20 | Johnson & Johnson Consumer Companies, Inc. | Device for treatment of barrier membranes |
| US7479133B2 (en) | 2003-06-30 | 2009-01-20 | Johnson & Johnson Consumer Companies, Inc. | Methods of treating acne and rosacea with galvanic generated electricity |
| US7486989B2 (en) | 2003-06-30 | 2009-02-03 | Johnson & Johnson Consumer Companies, Inc. | Device for delivery of oxidizing agents to barrier membranes |
| US7507228B2 (en) | 2003-06-30 | 2009-03-24 | Johnson & Johnson Consumer Companies, Inc. | Device containing a light emitting diode for treatment of barrier membranes |
| US7477940B2 (en) | 2003-06-30 | 2009-01-13 | J&J Consumer Companies, Inc. | Methods of administering an active agent to a human barrier membrane with galvanic generated electricity |
| US7477941B2 (en) | 2003-06-30 | 2009-01-13 | Johnson & Johnson Consumer Companies, Inc. | Methods of exfoliating the skin with electricity |
| US7477938B2 (en) | 2003-06-30 | 2009-01-13 | Johnson & Johnson Cosumer Companies, Inc. | Device for delivery of active agents to barrier membranes |
| US20120089232A1 (en) | 2009-03-27 | 2012-04-12 | Jennifer Hagyoung Kang Choi | Medical devices with galvanic particulates |
| KR102795209B1 (ko) * | 2019-08-30 | 2025-04-14 | 엘지디스플레이 주식회사 | 터치 디스플레이 장치 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09248344A (ja) * | 1996-03-17 | 1997-09-22 | Hisamitsu Pharmaceut Co Inc | イオントフォレーシス用電極デバイス |
| JP2000316991A (ja) * | 1999-05-13 | 2000-11-21 | Hisamitsu Pharmaceut Co Inc | イオントフォレーシス装置の電極構造体及びその製造方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4979517A (en) * | 1988-02-01 | 1990-12-25 | Physio-Control Corporation | Disposable stimulation electrode with long shelf life and improved current density profile |
| US5162152A (en) * | 1991-02-11 | 1992-11-10 | Hoechst Celanese Corporation | Poly(2-methyl-1,5-pentylene)terephthalamide: a method of using: a method of spinning: and a method of making |
| JPH08229140A (ja) * | 1995-02-28 | 1996-09-10 | Hisamitsu Pharmaceut Co Inc | イオントフォレーシス用デバイス |
| US5582697A (en) * | 1995-03-17 | 1996-12-10 | Matsushita Electric Industrial Co., Ltd. | Biosensor, and a method and a device for quantifying a substrate in a sample liquid using the same |
| AU6507096A (en) * | 1995-07-28 | 1997-02-26 | Cardiotronics International, Inc. | Disposable electro-dermal device |
| US5947961A (en) * | 1996-05-10 | 1999-09-07 | Minnesota Mining And Manufacturing Company | Biomedical electrode having skin-equilibrating adhesive at its perimeter and method for using same |
-
2003
- 2003-02-19 US US10/505,158 patent/US20050085887A1/en not_active Abandoned
- 2003-02-19 WO PCT/JP2003/001781 patent/WO2003070100A1/ja not_active Ceased
- 2003-02-19 AU AU2003211523A patent/AU2003211523A1/en not_active Abandoned
- 2003-02-19 EP EP03705320A patent/EP1484012A4/en not_active Withdrawn
- 2003-02-19 JP JP2003569063A patent/JPWO2003070100A1/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09248344A (ja) * | 1996-03-17 | 1997-09-22 | Hisamitsu Pharmaceut Co Inc | イオントフォレーシス用電極デバイス |
| JP2000316991A (ja) * | 1999-05-13 | 2000-11-21 | Hisamitsu Pharmaceut Co Inc | イオントフォレーシス装置の電極構造体及びその製造方法 |
| EP1177814A1 (en) | 1999-05-13 | 2002-02-06 | Hisamitsu Pharmaceutical Co. Inc. | Electrode structure for iontophoresis devices and method of producing the same |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP1484012A4 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20050085887A1 (en) | 2005-04-21 |
| EP1484012A4 (en) | 2006-12-13 |
| EP1484012A1 (en) | 2004-12-08 |
| AU2003211523A1 (en) | 2003-09-09 |
| JPWO2003070100A1 (ja) | 2005-06-09 |
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