WO2013179368A1 - 生体用電極パッド - Google Patents
生体用電極パッド Download PDFInfo
- Publication number
- WO2013179368A1 WO2013179368A1 PCT/JP2012/063622 JP2012063622W WO2013179368A1 WO 2013179368 A1 WO2013179368 A1 WO 2013179368A1 JP 2012063622 W JP2012063622 W JP 2012063622W WO 2013179368 A1 WO2013179368 A1 WO 2013179368A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrode
- electrode pad
- conductive gel
- gel sheet
- sheet
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/251—Means for maintaining electrode contact with the body
- A61B5/257—Means for maintaining electrode contact with the body using adhesive means, e.g. adhesive pads or tapes
- A61B5/259—Means for maintaining electrode contact with the body using adhesive means, e.g. adhesive pads or tapes using conductive adhesive means, e.g. gels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/263—Bioelectric electrodes therefor characterised by the electrode materials
- A61B5/266—Bioelectric electrodes therefor characterised by the electrode materials containing electrolytes, conductive gels or pastes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
- A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
Definitions
- the present invention relates to a biological electrode pad that is mounted on the skin of a living body, detects an electrical signal, and supplies the electrical signal to an electrocardiograph, and in particular, stabilizes the electrocardiographic signal without being disturbed by body movement noise.
- the present invention relates to a biomedical electrode pad that can be measured.
- the biomedical electrode pad As a conventional biomedical electrode pad, for example, the one described in Patent Document 1 previously proposed by the applicant of the present application is known, and the biomedical electrode pad here has a conductive gel on the skin surface of a predetermined part of the living body.
- the electrocardiograph has a plurality of electrodes that are in contact with each other via a plurality of electrodes, and the electrocardiograph contacts the surface of the living body with a plurality of electrodes, and signals from any one of the electrodes are connected to each other.
- the original ECG signal is obtained by calculating the difference between the signals from the electrodes having the smaller area and the electrode having the larger area for each of the electrode pads.
- the electrocardiogram signals can be measured without being disturbed by body motion noise.
- the body movement noise signal is considered to be generated when the polarization potential or impedance generated between the electrode and the conductive gel or between the conductive gel and the skin surface varies due to body movement.
- the present invention advantageously solves the problems of the conventional biomedical electrode pad in view of the above points, and the biomedical electrode pad of the present invention is attached to the skin of a living body to detect an electrical signal, and
- the electrode In a biomedical electrode pad for supplying an electric signal to an electrocardiograph, the electrode extends in the form of a net while extending along the surface of the skin, and a conductive gel sheet that is superimposed on the electrode and extends along the surface of the skin And a soft protective sheet that covers the electrode and the conductive gel sheet that are stacked on each other.
- the net-like electrode of the electrode pad extends along the skin surface with a sufficient area. Then, an electrical signal is detected and output while contacting or directly contacting the skin surface via a conductive gel sheet, flexibly following the movement of the skin surface, and deforming or expanding.
- the conductive gel sheet superimposed on the mesh electrode extends along the skin surface with a sufficient area at substantially the same site as the electrode of the living body, and the conductive gel of the conductive gel sheet passes between the electrode meshes.
- the soft protective sheet covers and protects the electrode and the conductive gel sheet, and allows the electrode and the conductive gel sheet to flexibly follow the movement of the skin surface and deform or expand and contract.
- the biomedical electrode pad of the present invention since the electrode and the conductive gel sheet are in contact with the skin surface with a sufficient area and contact with each other with a sufficient area, a sufficient level of electrocardiogram signal is detected with the electrode.
- the electrocardiogram signal is detected while the electrode and the conductive gel sheet flexibly follow the movement of the skin surface and deform or expand and contract, so even if there is movement on the skin surface due to body movement, the polarization potential and impedance Therefore, the level of the body motion noise signal can be suppressed, and the electrocardiogram signal can be measured without being disturbed by the body motion noise.
- the electrode is located between the conductive gel sheet and the protective sheet.
- the mesh electrode is formed of the conductive gel sheet and the protective sheet. Therefore, it is possible to prevent the net-like electrode from being unwound or unintentionally deformed during use of the biomedical electrode pad.
- the protective sheet preferably extends beyond the periphery of the electrode and adheres to the conductive gel sheet with the adhesive material on the back surface.
- the conductive gel sheet is located between the electrode and the protective sheet. In this way, the mesh electrode directly contacts the skin surface. Therefore, the electrocardiogram signal can be detected at a higher level.
- (A) And (b) is sectional drawing which shows 1st Example of the biomedical electrode pad of this invention, and a perspective view which shows typically the electrode of the electrode pad of the Example
- (c) is the It is sectional drawing which shows the electrode pad of an Example in the mounting state to the skin surface.
- (A) And (b) is sectional drawing which shows 2nd Example of the biomedical electrode pad of this invention, and a perspective view which shows typically the electrode of the electrode pad of the Example
- (c) It is sectional drawing which shows the electrode pad of an Example in the mounting state to the skin surface.
- (A) is sectional drawing which shows 3rd Example of the biomedical electrode pad of this invention
- (b) is sectional drawing which shows the electrode pad of the Example in the mounting state to the skin surface.
- (A) is sectional drawing which shows 4th Example of the biomedical electrode pad of this invention
- (b) is sectional drawing which shows the electrode pad of the Example in the mounting state to the skin surface.
- FIG. 1A and 1B are a cross-sectional view showing a first embodiment of the biological electrode pad of the present invention, a perspective view schematically showing the electrode of the electrode pad of the embodiment, and FIG. (C) is sectional drawing which shows the electrode pad of the Example in the mounting state to the skin surface, and the code
- a living body electrode pad 1 of this embodiment is mounted on the skin of a living body, detects an electrical signal, and supplies the electrical signal to an electrocardiograph.
- the conductive gel sheet 3 superimposed on the lower side of the electrode 2 in the figure, the soft protective sheet 4 covering the electrode 2 and the conductive gel sheet 3 from the upper side in the figure, and the electrode 2
- the electrode 2 has a generally flat circular net shape knitted by a metal wire such as a copper wire as a conductor as a whole. However, it is located between the conductive gel sheet 3 and the protective sheet 4.
- the metal wire has a loop shape so that the metal surface is exposed and both ends thereof are connected to each other so that the net is not broken.
- the conductive gel sheet 3 is a normal one in which a conductive gel having adhesiveness is infiltrated into a circular base, for example, a cloth-like substrate larger than the electrode 2, and the outer periphery of the back surface of the protective sheet 4 at the periphery thereof as described later. Adhering to the end, the entire electrode 2 is wrapped and fixed between the protective sheet 4, and the conductive gel is leached through the mesh of the electrode 2, so that the intermediate portion on the back surface of the protective sheet 4 Stick.
- the protective sheet 4 is mainly made of a soft nonconductive material such as a normal resin film having a circular shape, and has a felt layer 4a bonded to the entire back surface (lower surface in the figure) of the nonconductive material.
- the intermediate portion 4b includes an intermediate portion 4b and an outer peripheral edge portion 4c.
- the intermediate portion 4b covers the electrode 2 and the conductive gel sheet 3 from above in the drawing, and passes between the mesh of the felt layer 4a and the electrode 2.
- the electrode 2 and the conductive gel sheet 3 are held in a laminated state by adhesion with the conductive gel of the conductive gel sheet 3 to be leached, and the electrode 2 extends in the extending direction (left and right direction in the drawing) of the electrode 2 continuously to the intermediate portion 4b.
- the outer peripheral edge portion 4c located outside the outer periphery holds the outer peripheral edge portion of the conductive gel sheet 3 located outside the peripheral edge of the electrode 2 by adhesion between the felt layer 4a and the conductive gel of the conductive gel sheet 3.
- the whole of the electrode 2 reticulated protecting wrap between the conductive gel sheet 3.
- connection terminal 5 is a small disk which is located between the center portion of the mesh electrode 2 and the intermediate portion 4b of the protective sheet 4 and is electrically connected to the electrode 2 by, for example, direct contact or soldering.
- a spindle-shaped connecting portion 5b protruding from the base portion 5a through the through hole 4d of the intermediate portion 4b of the protective sheet 4 to the outside of the protective sheet 4, and connected to the base portion 5a.
- the part 5b as a whole is integrally formed of, for example, a plastic base material, and the surface thereof is covered with a highly conductive metal such as silver plating, silver chloride plating, or silver chloride coating.
- the living body electrode pad 1 of this embodiment is made of a normal film that has been surface-treated so as to be easily peeled off from the conductive gel sheet 4 so as to cover and protect the entire conductive gel sheet 4 when the electrode pad 1 is not used.
- a release sheet (not shown) is provided.
- the release sheet is peeled off, and the biomedical electrode pad 1 is attached to the skin surface S of a predetermined part of the living body, as shown in FIG.
- the connection portion 5b of the connection terminal 5 of the biomedical electrode pad 1 is connected to an electrocardiograph (not shown)
- the net-like electrode 2 of the electrode pad 1 extends along the skin surface S with a sufficient area, It contacts the skin surface via the conductive gel sheet 3 and detects and outputs an electrical signal while flexibly following the movement of the skin surface S and deforming or expanding.
- the conductive gel sheet 3 superimposed on the net-like electrode 2 also extends along the skin surface S with a sufficient area at substantially the same site as the electrode 2 of the living body, and the conductive gel of the conductive gel sheet 3 is the electrode. 2 leached through the mesh between the two meshes, and contacted with a large area of the surface of the metal wire forming the mesh, thereby contacting the electrode 2 with a sufficient area and contacting with the skin surface S with a sufficient area. An electric signal is detected and transmitted to the electrode 2 while flexibly following the movement of the surface S and deforming or expanding.
- the soft protective sheet 4 covers and protects the electrode 2 and the conductive gel sheet 3, and allows the electrode 2 and the conductive gel sheet 3 to flexibly follow the movement of the skin surface S without being deformed or stretched. To do.
- the electrode 2 and the conductive gel sheet 3 are in contact with the skin surface S with a sufficient area and contact with each other with a sufficient area.
- the electrocardiogram signal can be supplied to the electrocardiograph from the connection terminal 5 and the electrode 2 and the conductive gel sheet 3 can flexibly follow the movement of the skin surface S while deforming or expanding and contracting. Therefore, even if the skin surface S moves due to body movement, the polarization potential and the impedance do not fluctuate greatly, and therefore the level of the body movement noise signal is also suppressed, so that the heart movement is not hindered by the body movement noise.
- the electric signal can be measured.
- the net-like electrode 2 is connected to the conductive gel sheet 3 and the protective sheet 4. Therefore, the net-like electrode 2 can be prevented from being unwound or unintentionally deformed during use of the biomedical electrode pad 1.
- the protective sheet 4 extends to the outside of the periphery of the electrode 2 and adheres to the conductive gel sheet 3 with the felt layer 4a on the back surface. Since 2 is entirely wrapped with the protective sheet 4 and the conductive gel sheet 3, the net-like electrode 2 can be more reliably protected.
- FIG. 2 (a) and 2 (b) are a sectional view showing a second embodiment of the biomedical electrode pad of the present invention, a perspective view schematically showing an electrode of the electrode pad of the embodiment, and FIG. 2 (c).
- FIG. 2 (c) are sectional drawings which show the electrode pad of the example in the mounting state on the skin surface. In the figure, the same part as in the previous example is indicated by the same reference numeral.
- the biomedical electrode pad 1 of this embodiment extends a part of the metal wire forming the electrode 2 from another portion, as shown in FIG. 2B, instead of the connection terminal 5 in the previous embodiment.
- the connection portion 2a is formed to be different from the previous embodiment only in that the connection portion 2a made of a metal wire is projected to the outside of the protection sheet 4 through the through hole 4d of the intermediate portion 4b of the protection sheet 4.
- the other points are the same as in the previous embodiment.
- the living body electrode pad 1 of this embodiment can achieve the same effects as those of the previous embodiment.
- a hard connection terminal 5 formed of, for example, a plastic substrate is provided. Without extending the part of the metal wire forming the electrode 2 from the other part to form the connection part 2a to the electrocardiograph, as shown in FIG. Since the body motion noise signal level can be further suppressed because the body is flexibly deformed or stretched along the skin surface S, the detection level of the electrocardiogram signal can be further increased, and the biomedical electrode pad 1 can be constructed at a lower cost. can do.
- FIG. 3 (a) is a cross-sectional view showing a third embodiment of the biomedical electrode pad of the present invention
- FIG. 3 (b) is a cross-sectional view showing the electrode pad of the embodiment attached to the skin surface.
- the same parts as those in the previous embodiment are denoted by the same reference numerals.
- the biological electrode pad 1 of this example is different from the first example in the stacking order of the electrode 2 and the conductive gel sheet 3, and as shown in FIG. It is located between the protective sheet 4.
- the electrode 2 has substantially the same size as the conductive gel sheet 3 and the protective sheet 4.
- the small disk-shaped base 5a of the connection terminal 5 is positioned between the center of the mesh electrode 2 and the conductive gel sheet 3 and directly on the electrode 2, for example.
- the spindle-shaped connecting portion 5b that is electrically connected by contact or soldering and protrudes from the base portion 5a penetrates the conductive gel sheet 3 and passes through the through-hole 4d in the intermediate portion 4b of the protective sheet 4 so as to protect the protective sheet 4.
- the other points are the same as those of the first embodiment.
- the living body electrode pad 1 of this embodiment can achieve the same effects as those of the first embodiment.
- this embodiment as shown in FIG. Directly contacts the skin surface S, so that an electrocardiographic signal can be detected at a higher level.
- FIG. 4 (a) is a cross-sectional view showing a fourth embodiment of the biomedical electrode pad of the present invention
- FIG. 4 (b) is a cross-sectional view showing the electrode pad of the embodiment attached to the skin surface.
- the same parts as those in the previous embodiment are denoted by the same reference numerals.
- the biomedical electrode pad 1 of this embodiment is different from the previous second embodiment in the stacking order of the electrode 2 and the conductive gel sheet 3, and as shown in FIG. It is located between the protective sheet 4.
- the electrode 2 has substantially the same size as the conductive gel sheet 3 and the protective sheet 4.
- the connection part 2a which consists of a metal wire of the electrode 2 has penetrated the electroconductive gel sheet 3, and protrudes outside from the through-hole 4d of the center part of the protection sheet 4, and is comprised similarly to the previous Example in another point. is doing.
- the living body electrode pad 1 of this embodiment can achieve the same effects as those of the second embodiment.
- the living body electrode pad 1 as shown in FIG. Directly contacts the skin surface S, so that an electrocardiographic signal can be detected at a higher level, and a part of the metal wire forming the electrode 2 is extended from the other part without providing the connection terminal 5.
- the connection part 2a to the electrocardiograph is formed, the biological electrode pad 1 can be configured at a lower cost.
- the electrode 2 is formed.
- the metal wire exposes the metal surface
- the surface of the metal wire forming the electrode 2 may be coated with a highly conductive metal such as silver plating, silver chloride plating or silver chloride coating
- the metal wire is knitted to form the net-like electrode, but the electrode 2 may be formed into a mesh-like net by punching or etching from a metal plate or the like with a press.
- the electrode and the conductive gel sheet are in contact with the skin surface with a sufficient area and contact with each other with a sufficient area, an electrocardiographic signal of a sufficient level is detected with the electrode.
- the electrocardiogram signal is detected while the electrode and the conductive gel sheet flexibly follow the movement of the skin surface and deform or expand and contract, even if there is movement on the skin surface due to body movement, the polarization potential and impedance Since a large fluctuation does not occur and therefore the level of the body motion noise signal is suppressed, the electrocardiogram signal can be measured without being disturbed by the body motion noise.
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Abstract
Description
2 電極
2a 接続部
3 導電ゲルシート
4 保護シート
4a フェルト層
4b 中間部
4c 外周縁部
4d 貫通孔
5 接続端子
5a 基部
5b 接続部
S 皮膚表面
Claims (4)
- 生体の皮膚に装着されて電気信号を検出し、その電気信号を心電計に供給する生体用電極パッドにおいて、
前記皮膚に沿って延在するとともに網状をなす電極と、
前記電極に重ねられて前記皮膚の表面に沿って延在する導電ゲルシートと、
互いに重なった状態の前記電極と前記導電ゲルシートとを覆う軟質の保護シートと、
を具えることを特徴とする生体用電極パッド。 - 前記電極は、前記導電ゲルシートと前記保護シートとの間に位置することを特徴とする、請求項1記載の生体用電極パッド。
- 前記保護シートは、前記電極の周縁よりも外側まで延在して裏面の粘着材で導電ゲルシートと粘着することを特徴とする、請求項2記載の生体用電極パッド。
- 前記導電ゲルシートは、前記電極と前記保護シートとの間に位置することを特徴とする、請求項1記載の生体用電極パッド。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/404,370 US9642548B2 (en) | 2012-05-28 | 2012-05-28 | Electrode pad for use on living organism |
PCT/JP2012/063622 WO2013179368A1 (ja) | 2012-05-28 | 2012-05-28 | 生体用電極パッド |
EP12878163.0A EP2856937B1 (en) | 2012-05-28 | 2012-05-28 | Electrode pad for use on living organism |
JP2014518106A JP5888799B2 (ja) | 2012-05-28 | 2012-05-28 | 生体用電極パッド |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2012/063622 WO2013179368A1 (ja) | 2012-05-28 | 2012-05-28 | 生体用電極パッド |
Publications (1)
Publication Number | Publication Date |
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WO2013179368A1 true WO2013179368A1 (ja) | 2013-12-05 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2012/063622 WO2013179368A1 (ja) | 2012-05-28 | 2012-05-28 | 生体用電極パッド |
Country Status (4)
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US (1) | US9642548B2 (ja) |
EP (1) | EP2856937B1 (ja) |
JP (1) | JP5888799B2 (ja) |
WO (1) | WO2013179368A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2995244A3 (en) * | 2014-08-18 | 2016-07-06 | Samsung Electronics Co., Ltd. | Wearable biometric information measurement device |
TWI692346B (zh) * | 2014-08-18 | 2020-05-01 | 南韓商三星電子股份有限公司 | 生物體資訊測量裝置以及藉由生物體資訊測量裝置與電子裝置來偵測的方法 |
Families Citing this family (3)
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US11160764B2 (en) | 2015-11-02 | 2021-11-02 | Medherant Limited | Drug delivery composition containing silyl polymers |
GB201811834D0 (en) | 2018-07-19 | 2018-09-05 | Medherant Ltd | Patch |
CN113398465A (zh) * | 2020-03-16 | 2021-09-17 | 未来穿戴技术有限公司 | 拓展片及其制造方法、具有该拓展片的颈部按摩器 |
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- 2012-05-28 US US14/404,370 patent/US9642548B2/en active Active
- 2012-05-28 WO PCT/JP2012/063622 patent/WO2013179368A1/ja active Application Filing
- 2012-05-28 EP EP12878163.0A patent/EP2856937B1/en active Active
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2995244A3 (en) * | 2014-08-18 | 2016-07-06 | Samsung Electronics Co., Ltd. | Wearable biometric information measurement device |
US10575741B2 (en) | 2014-08-18 | 2020-03-03 | Samsung Electronics Co., Ltd | Wearable biometric information measurement device |
TWI692346B (zh) * | 2014-08-18 | 2020-05-01 | 南韓商三星電子股份有限公司 | 生物體資訊測量裝置以及藉由生物體資訊測量裝置與電子裝置來偵測的方法 |
Also Published As
Publication number | Publication date |
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EP2856937B1 (en) | 2021-08-18 |
US9642548B2 (en) | 2017-05-09 |
US20150112176A1 (en) | 2015-04-23 |
EP2856937A4 (en) | 2016-01-20 |
EP2856937A1 (en) | 2015-04-08 |
JPWO2013179368A1 (ja) | 2016-01-14 |
JP5888799B2 (ja) | 2016-03-22 |
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