WO2021166495A1

WO2021166495A1 - Electrode sheet, biological information measurement device, and electrode sheet production method

Info

Publication number: WO2021166495A1
Application number: PCT/JP2021/000872
Authority: WO
Inventors: 小川　朋成; 沢野　充; 浩二殿原
Original assignee: 富士フイルム株式会社
Priority date: 2020-02-17
Filing date: 2021-01-13
Publication date: 2021-08-26
Also published as: JPWO2021166495A1; JP7273240B2

Abstract

This electrode sheet comprises: a sheet base material having insulating properties and first openings; an adhesive layer having insulating properties, second openings, and an external form of an identical size to that of the sheet base material, the adhesive layer being in a non-gel form and insulative; and a plurality of electrode parts spaced from one another within the outer borders of the adhesive layer and the sheet base material, each having on the opposite side from the sheet base material a first surface with which the skin to be measured comes into direct contact, and each of the electrode parts further having on the sheet base material side a second surface with which an electric contacting point from a measuring device comes into contact through at least the first opening. At each of the two end portions of the adhesive layer, a gap is provided between the outer border of the adhesive layer and the outer border of the electrode part.

Description

Electrode sheet, biological information measuring device and method for manufacturing electrode sheet

The technology of the present disclosure relates to an electrode sheet, a biological information measuring device, and a method for manufacturing an electrode sheet.

A multipolar living body provided with a plurality of electrode element portions formed on the surface of a base sheet and a conductive adhesive gel layer provided on each electrode element portion as a detection device for detecting a weak electric potential emitted from the human body. Electrodes are known (see, for example, Japanese Patent Application Laid-Open No. 9-31454). This multipolar bioelectrode is used in combination with a measuring device when measuring biometric information such as electrocardiogram and myoelectricity.

The multipolar bioelectrode described in JP-A-9-31454 is provided with a terminal portion connected to each electrode element portion. The terminal portion is integrally molded with the electrode element portion, and a conductive adhesive gel layer is formed for each electrode element portion. When the electrical contacts of the measuring device come into contact with the terminal portion, the measuring device and the multipolar bioelectrode are electrically connected. Further, the electrode element portion is ensured to be conductive with the skin of the subject to be measured via the conductive adhesive gel layer.

However, the conductive adhesive gel layer is easily peeled off by sweat or the like. In Japanese Patent Application Laid-Open No. 9-31454, the electrode element portion secures continuity with the skin of the subject via the conductive adhesive gel layer. Therefore, when the conductive adhesive gel layer is peeled off, the electrode element portion and the skin The conduction state with and becomes unstable. In addition, if the sticking position moves due to the peeling of the conductive adhesive gel layer, the position of the electrode element portion also moves.

Naturally, noise increases when the conduction state becomes unstable. On the other hand, misalignment of the electrode element portion also causes noise. This is because if the position of the electrode element portion changes from the initial position of attachment during measurement, the distance between the plurality of electrode elements changes, causing fluctuations in the measured values. As described above, noise is generated in the measured value of the biological information due to the peeling of the conductive adhesive gel layer.

Noise caused by peeling of the conductive adhesive gel layer becomes a particular problem in the following cases. For example, in order to grasp the transition of the biological information of the subject who is living a daily life, the measurement is continued for a relatively long time. In this case, since the multipolar bioelectrode is worn for a relatively long time, the amount of sweat increases, and the conductive adhesive gel layer is likely to be peeled off accordingly.

An object of the technique according to the present disclosure is to provide an electrode sheet, a biological information measuring device, and a method for manufacturing an electrode sheet, which can suppress the inclusion of noise in a measured value even when the measurement is performed for a relatively long time. do.

In order to achieve the above object, the electrode sheet according to the first aspect of the present disclosure has a sheet base material having a first opening and an insulating property and a second opening, and has the same outer shape as the sheet base material. An insulating adhesive layer having a size, which is a non-gel-like and insulating adhesive layer, and a plurality of electrode portions provided apart from each other in the outer edge of the adhesive layer, and is a sheet base. An electrode portion in which the skin to be measured is in direct contact with the first surface on the side opposite to the material and the electrical contact of the measurement device is in contact with the second surface on the sheet base material side through at least the first opening. At both ends of the adhesive layer, a gap is provided between the outer edge of the adhesive layer and the outer edge of the electrode portion.

In the electrode sheet of the above aspect, the sheet base material, the electrode portion, and the adhesive layer are laminated in this order, and the first surface of the electrode portion faces the second opening of the adhesive layer, and the first surface thereof. The area exposed through the second opening may be in contact with the skin.

In the electrode sheet of the above aspect, the sheet base material, the adhesive layer, and the electrode portion are laminated in this order, and the second surface of the electrode portion faces the second opening of the adhesive layer, and the second surface The region exposed through the first opening of the sheet base material and the second opening of the adhesive layer may be in contact with the electrical contacts.

In the electrode sheet of the above aspect, an insulating layer that is arranged on the first surface side of each of the plurality of electrode portions and that insulates between the plurality of electrode portions may be provided. Herein, the term of the insulating layer material is not particularly limited, refers to 1 × 10 ⁷ Ω · m or more of a volume resistivity.

In the electrode sheet of the above aspect, the adhesive layer may be composed of an acrylic adhesive.

In the electrode sheet of the above aspect, the sheet base material may be formed of a stretchable material.

In the electrode sheet of the above aspect, the sheet base material may be made of a material having a tensile elastic modulus of 10 Mpa or more and 2000 Mpa or less.

In the electrode sheet of the above aspect, the maximum distance between the parts where the electrical contacts of the measuring device can be contacted in the plurality of electrode parts is equal to or less than the minimum distance between the parts where the skin can be contacted in the plurality of electrode parts. May be good.

In the electrode sheet of the above embodiment, the electrode portion is at least one selected from silver, silver chloride, gold, copper, iron, aluminum, magnesium, nickel, chromium, titanium, platinum, tin, zinc, and an alloy composed of these. It may be formed of one gold material or a conductive polymer material.

In the electrode sheet of the above aspect, the electrode portion may have adhesiveness.

In the electrode sheet of the above aspect, the electrode portion may be composed of a mesh material in which a conductive wire rod is formed in a mesh shape and an adhesive that has entered between the mesh materials.

In the electrode sheet of the above aspect, the electrode portion may be composed of a mesh material in which insulating wires containing an adhesive are entangled, and a conductive material coated on one side of the mesh material. ..

In the electrode sheet of the above aspect, the electrode portion may be made of a conductive material in which an adhesive is kneaded.

In the electrode sheet of the above aspect, the sheet base material may be colored in a flesh-colored manner.

In the electrode sheet of the above aspect, the sheet base material is transparent, and a transparent material may be used for the electrode portion.

In the electrode sheet of the above aspect, the sheet base material may have moisture permeability.

The biometric information measuring device according to the second aspect of the present disclosure has an electrode sheet and an electrical contact that contacts the second surface of the electrode portion through the first opening of the sheet base material, and the electrical contact is in contact with the electrode sheet. It is equipped with a measuring device that can be attached to the electrode sheet.

In the biometric information measuring device of the above aspect, the electrode sheet and the measuring device may be provided with a detachable mechanism for bringing the electrode portion and the electrical contact into contact with each other so as to be detachable.

The method for producing an electrode sheet according to a third aspect of the present disclosure is a sheet base material to which a release film is attached, which is separated from each other on the surface of the sheet base material having a first opening and having an insulating property. A step of forming a plurality of electrode portions, which is a step of forming a plurality of electrode portions at positions separated from each other in the outer edge of the sheet base material and at a position where a part of the first opening faces the first opening. A step of forming an adhesive layer having the same outer size as the sheet substrate, non-gelled, and having insulating properties on the surface of the sheet substrate, and at both ends of the adhesive layer, with the outer edges of the adhesive layer. A step of forming an adhesive layer in a manner in which a space is provided between the outer edge of the electrode portion and a plurality of electrode portions sandwiched between the sheet base material, and a step of peeling the release film from the sheet base material. To be equipped.

The method for producing an electrode sheet according to the fourth aspect of the present disclosure is a sheet base material to which a release film is attached, and the sheet base material has a first opening and has an insulating property on the surface of the sheet base material. A step of forming an adhesive layer having the same outer size as the material, non-gelled, and having insulating properties, a step of forming an adhesive layer having a second opening communicating with the first opening, and a sheet. A step of forming a plurality of electrode portions in the outer edges of the base material and the adhesive layer at positions separated from each other and partially facing the first opening and the second opening, and at both ends of the adhesive layer. The present invention includes a step of forming a plurality of electrode portions in such a manner that a space is provided between the outer edge of the adhesive layer and the outer edge of the electrode portion, and a step of peeling the release film from the sheet base material.

According to the technique of the present disclosure, it is possible to suppress noise from being included in the measured value even when the measurement is performed for a relatively long time.

It is a perspective view which shows the biological information measuring apparatus of 1st Embodiment. It is an exploded perspective view which shows the electrode sheet of a biological information measuring apparatus and a measuring device in a disassembled state. It is a perspective view which shows the back surface side of the measuring device. It is an exploded perspective view which shows the state which disassembled the biological information measuring apparatus. It is a top view and a cross-sectional view which show the electrode sheet. It is a top view which shows the electrical contact point of the electrode sheet of a biological information measuring apparatus, and the measuring device. It is a bottom view which shows the electrode sheet. It is sectional drawing which shows the whole structure of the biological information measuring apparatus. It is explanatory drawing which shows the manufacturing method of the electrode sheet, and is the figure which shows the 1st process. It is explanatory drawing which shows the manufacturing method of the electrode sheet, and is the figure which shows the 2nd step. It is explanatory drawing which shows the manufacturing method of the electrode sheet, and is the figure which shows the 3rd process. It is explanatory drawing which shows the manufacturing method of the electrode sheet, and is the figure which shows the 4th process. It is an exploded perspective view which shows the disassembled state of the biological information measuring apparatus of 2nd Embodiment. It is an exploded perspective view which shows the disassembled state of the biological information measuring apparatus of 3rd Embodiment. It is an exploded perspective view which shows the disassembled state of the biological information measuring apparatus of 4th Embodiment. It is an exploded perspective view which shows the disassembled state of the biological information measuring apparatus of 5th Embodiment. It is an exploded perspective view which shows the disassembled state of the biological information measuring apparatus of 6th Embodiment. It is an exploded perspective view which shows the disassembled state of the biological information measuring apparatus of 7th Embodiment. It is an exploded perspective view which shows the disassembled state of the biological information measuring apparatus of 8th Embodiment. It is an exploded perspective view which shows the disassembled state of the biological information measuring apparatus of 9th Embodiment. It is an exploded perspective view which shows the disassembled state of the biological information measuring apparatus of tenth embodiment. It is an exploded perspective view which shows the disassembled state of the biological information measuring apparatus of 11th Embodiment. It is a top view and the cross-sectional view which shows the electrode sheet of the biological information measuring apparatus of 11th Embodiment. It is a top view which shows the electrical contact point of the electrode sheet of the biological information measuring apparatus of 11th Embodiment, and the measuring device. It is sectional drawing which shows the whole structure of the biological information measuring apparatus of 11th Embodiment. It is explanatory drawing which shows the manufacturing method of the electrode sheet of the biometric information measuring apparatus of eleventh embodiment, and is the figure which shows the 1st process. It is explanatory drawing which shows the manufacturing method of the electrode sheet of the biometric information measuring apparatus of eleventh embodiment, and is the figure which shows the 2nd step. It is explanatory drawing which shows the manufacturing method of the electrode sheet of the biometric information measuring apparatus of eleventh embodiment, and is the figure which shows the 3rd process. It is explanatory drawing which shows the manufacturing method of the electrode sheet of the biometric information measuring apparatus of eleventh embodiment, and is the figure which shows the 4th process. It is explanatory drawing which shows the manufacturing method of the electrode sheet of the biometric information measuring apparatus of 11th Embodiment, and is the figure which shows the 5th process. It is an exploded perspective view which shows the disassembled state of the biological information measuring apparatus of the twelfth embodiment. It is a perspective view which shows the cover layer used for the biological information measuring apparatus of 13th Embodiment. It is sectional drawing which shows the biological information measuring apparatus of 14th Embodiment. It is a top view which shows the electrode sheet used for the biometric information measuring apparatus of 14th Embodiment, and is the enlarged top view which partially enlarged. It is sectional drawing which shows the biometric information measuring apparatus of 15th Embodiment. It is an exploded perspective view which shows a part of the electrode sheet used for the biological information measuring apparatus of 16th Embodiment. It is sectional drawing which shows a part of the electrode sheet used for the biological information measuring apparatus of 16th Embodiment. It is an exploded perspective view which shows a part of the electrode sheet used for the biological information measuring apparatus of 17th Embodiment. It is sectional drawing which shows a part of the electrode sheet used for the biological information measuring apparatus of 17th Embodiment. It is sectional drawing which shows the whole structure of the biological information measuring apparatus of 18th Embodiment. It is sectional drawing which shows the whole structure of the biological information measuring apparatus of 19th Embodiment.

Hereinafter, embodiments of the electrode sheet and the biological information measuring device of the present disclosure will be described with reference to the drawings. In each drawing, the film thickness of each layer and their ratio are appropriately changed and drawn in order to facilitate the visibility of the electrode sheet, and do not necessarily reflect the actual film thickness and ratio.

[First Embodiment]
As shown as an example in FIG. 1, the biological information measuring device 10 includes an electrode sheet 12 and a measuring device 14 (see FIG. 2). The electrode sheet 12 is in contact with the skin (for example, skin surface) 16 of a living body (for example, a person) as a measurement target on the opposite side of the measurement device 14. The biological information measuring device 10 measures biological information by bringing the electrode sheet 12 into contact with the skin 16. As biological information, for example, electrocardiogram, myoelectricity, brain wave, etc. are measured.

As shown in FIG. 2, the electrode sheet 12 is separable from the measuring device 14, and the measuring device 14 is attached to the electrode sheet 12 at the time of use. The measuring device 14 is attached to one surface side of the electrode sheet 12 (for example, the side opposite to the surface in contact with the skin 16). The measuring device 14 is attached at a position covering the two first openings 31B of the cover layer 31 of the electrode sheet 12. The electrode sheet 12 has a rectangular shape (for example, a rectangular shape) in a plan view. Further, the measuring device 14 has a rectangular shape in a plan view. The measuring device 14 is attached to the electrode sheet 12 in the longitudinal direction of the measuring device 14, for example, along the longitudinal direction of the electrode sheet 12 (see FIG. 1).

As shown in FIG. 2, the measuring device 14 includes a rectangular housing 21. A rectangular protrusion 21B is formed at the center of the surface 21A of the housing 21. In the first embodiment, the measuring device 14 is configured to wirelessly communicate with an external device (not shown) via a communication unit (not shown) such as an antenna. The measuring device may be electrically connected by wire instead of communicating wirelessly. In this case, an output terminal for outputting to an external device is provided in the housing of the measuring device.

FIG. 3 is a perspective view showing the back surface side of the measuring device 14. As shown in FIG. 3, the measuring device 14 includes two openings 21E formed in the back surface 21D of the housing 21, and a connection terminal 23 as an example of electrical contacts protruding from the openings 21E, respectively. The opening 21E has a circular shape in a plan view as an example. As an example, the connection terminal 23 has a circular shape in a plan view and a convex shape in a side view. The connection terminal 23 projects from the inside of the housing 21 to the outside of the housing 21 through the opening 21E. The connection terminal 23 has a flat protruding portion, but may be changed to another shape such as a semicircular shape. In the first embodiment, the two connection terminals 23 are arranged on both sides of the measuring device 14 in the longitudinal direction.

In the measuring device 14, a detection circuit (not shown) connected to two connection terminals 23 is provided inside the housing 21. The detection circuit detects, for example, the potential difference between the electrode portions 32, which will be described later, in which the two connection terminals 23 are in contact with each other. As an example, the detection circuit has a plurality of circuits that perform signal processing such as amplification of the detected potential signal, digital conversion of the amplified signal, and various operations (including filtering). The detection circuit outputs the processed signal that has undergone various processing as data representing biological information. The detection circuit stores the data in the internal memory of the main body, or wirelessly outputs the data to an external device (not shown) by the communication unit. The measuring device 14 may have a function of transmitting to an external device by wireless communication.

The measuring device 14 includes two sealing portions 24 attached to both ends of the back surface 21D of the housing 21 in the longitudinal direction. The sealing portion 24 has adhesiveness and can be adhered to the cover layer 31 of the electrode sheet 12. The seal portion 24 is made of, for example, a polymer material having adhesiveness at room temperature. The measuring device 14 is configured to be attached to the cover layer 31 of the electrode sheet 12 by the sealing portion 24 in a state where the connection terminal 23 and the electrode portion 32 are in contact with each other. By adhering the seal portion 24 to the cover layer 31 of the electrode sheet 12, the connection terminal 23 and the electrode portion 32 are fixed by a physical force in a contact state.

As shown in FIGS. 4 to 7, the electrode sheet 12 is provided on the insulating cover layer 31 and the first surface 131A of the cover layer 31 (for example, the surface opposite to the side on which the measuring device 14 is attached). A plurality of electrode portions 32 provided apart from each other are provided. Further, the electrode sheet 12 includes adhesive layers 33 provided on the plurality of electrode portions 32 sides of the cover layer 31. In the first embodiment, the cover layer 31, the electrode portion 32, and the adhesive layer 33 are laminated in this order. The adhesive layer 33 has an insulating property and includes a second opening 33B that exposes a part of the plurality of electrode portions 32. In the first embodiment, it has two electrode portions 32. Further, the cover layer 31 includes two first openings 31B in which a part of the two electrode portions 32 is exposed. Here, the cover layer 31 is an example of a sheet base material.

The cover layer 31 is composed of a rectangular sheet portion 31A, and two circular first openings 31B are arranged side by side in the central portion of the sheet portion 31A along the longitudinal direction. The cover layer 31 is made of an insulating polymer material or the like.

The cover layer 31 has flexibility and can be bent and deformed in the thickness direction of the cover layer 31.

Further, it is preferable that the cover layer 31 is made of a stretchable material. Examples of elastic materials include polyurethane (PU), polyethylene (PE), silicone resin, polyparaxylylene (Parylene: registered trademark), polytetrafluoroethylene (PTFE), and ethylene-vinyl acetate copolymer resin (EVA). ) And the like, it may be composed of at least one material selected from the above. As the polyethylene (PE), for example, medium density polyethylene (MDPE), low density polyethylene (LDPE) and the like are used. As the silicone resin, for example, polydimethylsiloxane (PDMS) or the like is used.

Further, the cover layer 31 may be made of a biocompatible material. As the biocompatible material, for example, polyethylene (PE), polymethyl methacrylate (PMMA), polyvinyl chloride (PVC), polystyrene (PS) and the like may be contained.

The thickness of the cover layer 31 is preferably 5 μm or more and 30 μm or less, more preferably 8 μm or more and 25 μm or less, and further preferably 10 μm or more and 20 μm or less.

The tensile elastic modulus of the cover layer 31 is preferably 10 Mpa or more and 2000 Mpa or less. Further, the tensile elastic modulus of the cover layer 31 is more preferably 50 Mpa or more and 1500 Mpa or less, and further preferably 100 Mpa or more and 1000 Mpa or less. The thicker the cover layer 31 and the larger the tensile elastic modulus, the higher the durability, but the lower the flexibility. When the flexibility is lowered, when the electrode sheet 12 having the cover layer 31 is pressed against the skin 16, the movement of the skin 16 cannot be followed due to the hardness, which may cause discomfort. By setting the cover layer 31 to the thickness and tensile elastic modulus in the above range, it is possible to obtain a member having appropriate durability and flexibility for use as the electrode sheet 12. Further, by setting the thickness of the cover layer 31 in the above range to 20 μm or less, it becomes easier to breathe through the skin as compared with the case where the thickness of the cover layer 31 is thicker than 20 μm.

Here, the tensile elastic modulus is a value obtained by dividing the tensile stress received by the material within the elastic limit by the strain generated in the material. The tensile elastic modulus of the cover layer 31 is measured in accordance with JIS K7113: 1995. Specifically, for example, using Shimadzu Autograph AGS-J (5KN) manufactured by Shimadzu Corporation, the tensile speed is set to 100 mm / min, and the tensile elastic modulus is measured.

The cover layer 31 is preferably colored in a flesh-colored manner. This is because the electrode sheet 12 becomes inconspicuous when it is attached to the skin 16. The cover layer 31 may be colored, for example, by kneading a skin-colored colorant into the resin material constituting the cover layer 31, or printing, painting, or coating the skin-colored colorant on the surface of the cover layer 31. A colored portion may be formed by plating or the like.

Further, in the cover layer 31, it is preferable that the electrode portion 32 and the second surface 131B on the opposite side of the adhesive layer 33 are roughened. Since the cover layer 31 is roughened, the reflection of light on the cover layer 31 can be suppressed.

In the first embodiment, the cover layer 31 is formed of a stretchable material such as polyurethane (PU), and the cover layer 31 is colored in a flesh-colored manner.

The electrode portion 32 is a conductive sheet-like body or plate-like body. The electrode portion 32 has a rectangular shape as an example. Each of the electrode portions 32 is arranged in the outer edge of the cover layer 31 and the adhesive layer 33, and is provided apart from each other in the outer edge. Further, the respective electrode portions 32 are arranged symmetrically with respect to the center in the longitudinal direction of the electrode sheet 12, for example.

As shown in FIG. 5, the electrode portion 32 includes a first surface 32A on the opposite side of the cover layer 31 and a second surface 32B on the cover layer 31 side. As shown in FIGS. 6A and 6B, in the electrode portion 32 of the first embodiment, a part of the second surface 32B faces the first opening 31B of the cover layer 31, and is one of the first surfaces 32A. The portion faces the second opening 33B of the adhesive layer 33. In the second surface 32B of the electrode portion 32, the region of the cover layer 31 facing the first opening 31B is exposed through the first opening 31B. The second surface 32B of the electrode portion 32 comes into contact with the electrical contacts of the measuring device 14 through the first opening 31B of the cover layer 31. Further, in the first surface 32A of the electrode portion 32, the region of the adhesive layer 33 facing the second opening 33B is exposed through the second opening 33B. As shown in FIG. 7, on the first surface 32A of the electrode portion 32, the region exposed through the second opening 33B comes into direct contact with the skin 16 to be measured. By this direct contact, the electrode portion 32 becomes conductive with the skin 16.

As shown in FIG. 6A, at both ends of the cover layer 31, a space is provided between the outer edge of the cover layer 31 and the outer edge of each electrode portion 32. That is, in a plan view, the outer edge of the cover layer 31 is arranged further outside than the outer edges of the two electrode portions 32. The length of the cover layer 31 in the longitudinal direction and in the direction orthogonal to the longitudinal direction in a plan view is longer than the range in which the two electrode portions 32 are arranged in the longitudinal direction and the direction orthogonal to the longitudinal direction. That is, the cover layer 31 has a portion protruding to the outside of each electrode portion 32.

The electrode portion 32 includes silver (Ag), silver chloride (AgCl), gold (Au), copper (Cu), iron (Fe), aluminum (Al), magnesium (Mg), nickel (Ni), and chromium (Cr). , Titanium (Ti), Platinum (Pt), Tin (Sn), Zinc (Zn), and at least one gold material selected from alloys composed of these, or made of a conductive polymer material. It is preferable to have. By selecting any one of these materials as the electrode portion 32, the electrode portion 32 is printed or transferred to the cover layer 31, and the adhesive layer 33 is printed or transferred from above, whereby the electrode portion 32 is printed or transferred. It can be integrally formed with the cover layer 31 and the adhesive layer 33.

In the first embodiment, the electrode portion 32 is composed of at least one gold material selected from silver (Ag), silver chloride (AgCl), and gold (Au).

In addition, various conductors may be used as the material of the electrode portion 32. For example, Mo and alloys thereof may be used for the electrode portion 32. Further, the electrode portion 32 may use a conductive film selected from indium tin oxide (ITO), indium zinc oxide (IZO), tin oxide, zinc oxide and the like. Further, the electrode portion 32 may use an organic conductor such as a conductive polymer. As for the method of forming the electrode portion 32, a method of forming a film by a vapor deposition method (for example, a vacuum film forming method) such as vacuum deposition and sputtering, screen printing, and a method of pasting a foil formed of the above material is used. It's okay.

The thickness of the electrode portion 32 is preferably 3 μm or more and 30 μm or less, more preferably 5 μm or more and 25 μm or less, and further preferably 8 μm or more and 20 μm or less. By setting the thickness of the electrode portion 32 in the above range, the flexibility of the electrode sheet 12 can be ensured, and when the cover layer 31 has elasticity, the elasticity of the electrode sheet 12 is ensured. be able to.

The measuring device 14 is attached to the second surface 131B of the cover layer 31 (in the first embodiment, the surface opposite to the adhesive layer 33). With the measuring device 14 attached to the cover layer 31, the connection terminals 23 of the measuring device 14 are brought into contact with the second surface 32B of the two electrode portions 32 through the first opening 31B of the cover layer 31 (FIG. 6). 7). That is, the electrode sheet 12 of the first embodiment directly connects to the connection terminal 23 of the measuring device 14 through the first opening 31B of the cover layer 31 without using a conductive member different from the electrode portion 32 and the connection terminal 23. It is configured so that it can be electrically connected.

The adhesive layer 33 has a rectangular shape, and includes an adhesive portion 33A that is bonded to the first surface 131A of the cover layer 31 and the first surface 32A of the electrode portion 32 by adhesion or the like, and two second openings 33B. ing. The adhesive layer 33 is made of an insulating adhesive material and is attached to the skin 16. The two second openings 33B are provided on both sides of the adhesive portion 33A in the longitudinal direction. As described above, the second opening 33B of the adhesive layer 33 faces a part of the first surface 32A of the electrode portion 32, and a part of the first surface 32A is exposed. In the first surface 32A of the electrode portion 32, the region facing the adhesive layer 33 is insulated from the skin 16 as the measurement target, while as described above, the region exposed through the second opening 33B of the adhesive layer 33 is Direct contact with skin 16 (see FIG. 7).

The adhesive layer 33 has the same outer size as the cover layer 31. Here, "same" is a concept including "almost the same" that allows a tolerance of about plus or minus 5%. Therefore, within the tolerance range, the adhesive layer 33 may be larger than the outer size of the cover layer 31 or smaller than the outer size of the cover layer 31.

As shown in FIG. 6B, at both ends of the adhesive layer 33, a space is provided between the outer edge of the adhesive layer 33 and the outer edge of each electrode portion 32. That is, in a plan view, the outer edge of the adhesive layer 33 is arranged further outside than the outer edges of the two electrode portions 32. The length of the adhesive layer 33 in the longitudinal direction and in the direction orthogonal to the longitudinal direction in a plan view is longer than the range in which the two electrode portions 32 are arranged. That is, the adhesive layer 33 has a portion protruding to the outside of each electrode portion 32. Further, as described above, the electrode portions 32 are provided apart from each other in the longitudinal direction of the cover layer 31 and the adhesive layer 33. Therefore, as shown in FIG. 6B, the periphery of each electrode portion 32 is surrounded by the adhesive layer 33.

The adhesive layer 33 is made of a non-gelled and insulating adhesive material. Here, the "non-gelled adhesive material" refers to an adhesive material other than the gel-like adhesive material that retains water, and more accurately, it does not retain or retains water. Even if it is, it means an adhesive material having a water content of 20% by weight or less. The water content of the adhesive material is more preferably 10% by weight or less, further preferably 6% by weight or less.

The non-gel-like adhesive material is preferably formed of, for example, a polymer material having viscoelasticity at room temperature. As the polymer material having viscoelasticity, for example, an acrylic pressure-sensitive adhesive, a urethane-based pressure-sensitive adhesive, or the like can be used. Further, examples of the polymer material having viscoelasticity include polyvinyl alcohol (PVA), cyanoethylated polyvinyl alcohol (cyanoethylated PVA), polyvinyl acetate, polyvinylidene chloride core acrylonitrile, polystyrene-vinyl polyisoprene block copolymer, and polyvinyl. Materials containing at least one such as methyl ketone and polybutyl methacrylate can be used.

The non-gel-like adhesive material is less likely to lose its adhesive strength even if it contains sweat, as compared with the gel-like adhesive material containing a relatively large amount of water. Therefore, by using a non-gel-like adhesive material as the adhesive layer 33, even when the electrode sheet 12 is stuck to the sweaty skin 16 for a long time, the conventional example of using the gel-like adhesive material is different from the conventional example. In comparison, the electrode sheet 12 is less likely to peel off.

Further, by selecting an acrylic adhesive or the like that is less irritating to the skin 16 as the adhesive layer 33, low sensitization to the skin 16 can be realized.

The thickness of the adhesive layer 33 is preferably 4 μm or more and 30 μm or less, more preferably 6 μm or more and 20 μm or less, and further preferably 8 μm or more and 15 or less. By setting the thickness of the adhesive layer 33 in the above range, it is possible to secure appropriate flexibility for use as the electrode sheet 12.

As shown in FIG. 7, when measuring the biological information of the skin 16 to be measured by the biological information measuring device 10, the adhesive layer 33 of the electrode sheet 12 is attached to the skin 16 (see arrow A1). As a result, on the first surface 32A of the two electrode portions 32, the region of the adhesive layer 33 facing the second opening 33B comes into contact with the skin 16 (see arrow B1). Further, the seal portion 24 (see FIG. 3) of the measuring device 14 is adhered to the cover layer 31 of the electrode sheet 12. After attaching the measuring device 14 to the electrode sheet 12, the electrode sheet 12 to which the measuring device 14 is attached may be attached to the skin 16.

In the biological information measuring device 10, in order to reduce the size of the entire device, the maximum distance d1 between the parts where the connection terminals 23 of the measuring devices 14 in the two electrode portions 32 can be contacted is set in the two electrode portions 32. It is desirable that the minimum distance between the parts that the skin 16 can contact is d2 or less.

The maximum distance d1 between the portions of the two electrode portions 32 where the connection terminal 23 of the measuring device 14 can be contacted is preferably 5 mm or more and 30 mm or less, more preferably 7 mm or more and 28 mm or less, and further preferably 9 mm or more and 25 mm or less. By setting the maximum distance d1 to the above range, the measuring device 14 can be miniaturized.

The minimum distance d2 between the portions where the skin 16 can come into contact with the two electrode portions 32 is preferably 30 mm or more and 100 mm or less, more preferably 40 mm or more and 90 mm or less, and further preferably 50 mm or more and 80 mm or less. By setting the minimum distance d2 to the above range, the potential difference can be accurately detected from the two electrode portions 32.

Here, an example of a method for manufacturing the electrode sheet 12 will be described with reference to FIGS. 8A to 8D.

As shown in FIG. 8A, a release film 40 is attached to the second surface 131B of the cover layer 31. The cover layer 31 is composed of an insulating sheet portion 31A, and has two first openings 31B in the central portion of the sheet portion 31A. The release film 40 is made of, for example, a resin sheet having a release layer (not shown) capable of peeling from the cover layer 31.

As shown in FIG. 8B, two electrode portions 32 separated from each other are formed on the surface of the sheet portion 31A of the cover layer 31 (for example, the first surface 131A opposite to the release film 40). For example, by printing a conductive material on the surfaces of the release film 40 and the cover layer 31 by screen printing or the like, a part of the surface of the cover layer 31 and a part of the release film 40 through the first opening 31B of the cover layer 31. Two electrode portions 32 are formed. As a result, the second surface 32B of the electrode portion 32 is in contact with the cover layer 31 and the release film 40. That is, two electrode portions 32 are formed on the cover layer 31 and the release film 40 so as to include the entire first opening 31B. In FIG. 8C, the thickness of the cover layer 31 is shown to be thicker than the actual thickness in order to make the configuration easy to understand. However, since the actual thickness of the cover layer 31 is sufficiently thin, one of the two electrode portions 32 The portion is formed on the release film 40. By transferring the conductive material, two electrode portions 32 may be formed at predetermined positions of the cover layer 31 and the release film 40.

As shown in FIG. 8C, the adhesive layer 33 is formed on the surface of the sheet portion 31A of the cover layer 31 (for example, the first surface 131A opposite to the release film 40) and the first surface 32A of the two electrode portions 32. .. For example, the adhesive layer 33 is formed by printing the adhesive on the surface of the sheet portion 31A and the first surface 32A of the two electrode portions 32 by screen printing or the like. The adhesive layer 33 includes an adhesive portion 33A provided on the surface of the sheet portion 31A and two second openings 33B that expose a part of the first surface 32A of the electrode portion 32. The pressure-sensitive adhesive layer 33 may be formed on the surface of the sheet portion 31A and the first surface 32A of the two electrode portions 32 by transferring the pressure-sensitive adhesive. In FIG. 8C, the thicknesses of the adhesive layer 33, the electrode portion 32, and the cover layer 31 are shown to be thicker than the actual thickness in order to make the configuration easy to understand. Since the actual thickness is sufficiently thin, the adhesive layer 33 is formed substantially uniformly on the surface of the sheet portion 31A and the first surface 32A of the two electrode portions 32.

As shown in FIG. 8D, the release film 40 is peeled from the cover layer 31 and the like. As a result, the electrode sheet 12 is manufactured. When the electrode sheet 12 is actually distributed as a product, the release film 40 as the release sheet is attached to the cover layer 31, and the release sheet (not shown) is attached to the adhesive layer 33. The product of the electrode sheet 12 is completed. Then, when the electrode sheet 12 is used, the release sheet under the adhesive layer 33 is removed from the product of the electrode sheet 12, and then the release film 40 on the cover layer 31 is removed.

The measuring device 14 is attached to the cover layer 31 of the electrode sheet 12 (see FIG. 7). As a result, the connection terminal 23 of the measuring device 14 comes into contact with the second surface 32B of the two electrode portions 32, respectively.

(Action and effect)
Next, the operation and effect of the first embodiment will be described.

In the electrode sheet 12, two electrode portions 32 are provided on the first surface 131A of the cover layer 31 so as to be separated from each other. Further, an adhesive layer 33 having a second opening 33B is provided on the first surface 131A of the cover layer 31 and the first surface 32A of the two electrode portions 32 opposite to the cover layer 31. By attaching the adhesive layer 33 to the skin 16 to be measured, the skin 16 comes into direct contact with the first surface 32A on the side opposite to the cover layer 31 of the electrode portion 32 (see FIG. 7). Further, the connection terminal 23, which is an example of the electrical contact of the measuring device 14, is in contact with the second surface 32B of the electrode portion 32 on the cover layer 31 side through the first opening 31B of the cover layer 31.

As a result, in the measuring device 14, the potential difference generated in the skin 16 is detected by the two electrode portions 32 of the electrode sheet 12, and the biological information is measured by the detected potential difference.

In the above electrode sheet 12, the adhesive layer 33 to be attached to the skin 16 is made of a non-gel-like and insulating adhesive material, so that the conductive adhesive gel layer which is a gel-like adhesive material is used. The adhesive layer 33 is less likely to be peeled off due to sweat or the like, as compared with the conventional example of using and sticking to the skin 16. Further, since the adhesive layer 33 has substantially the same outer size as the cover layer 31, the adhesive layer 33 is arranged up to the outer edge of the cover layer 31, so that the entire electrode sheet 12 is not easily peeled off from the skin 16. Further, since the electrode sheet 12 is difficult to peel off, the conductive state is stable as compared with the conventional example in which the conductive adhesive gel layer, which is easier to peel off than the non-gel-like adhesive layer 33, secures the continuity with the skin 16. ..

The electrode portion 32 is provided in the outer edge of the adhesive layer 33, and at both ends of the adhesive layer 33, a gap is provided between the outer edge of the adhesive layer 33 and the outer edge of the electrode portion 32. Since the periphery of the electrode portion 32 is fixed by the adhesive layer 33, the displacement of the electrode portion 32 is also suppressed. Since the conventional conductive adhesive gel layer is easier to peel off than the non-gel-like adhesive layer 33, it is also easy to be displaced. Since the electrode portion 32 whose periphery is fixed by the adhesive layer 33 is less likely to be displaced, the technique of the present disclosure is stable in the conductive state as compared with the conventional example in which the conductive adhesive gel layer is used as the electrode portion and the adhesive layer. do.

Therefore, in the electrode sheet 12, even when the measurement is performed for a relatively long time, the noise of the measured value due to the peeling of the electrode portion 32 is suppressed as compared with the conventional example.

Further, in the electrode sheet 12, the cover layer 31, the electrode portion 32, and the adhesive layer 33 are laminated in this order, and the first surface 32A of the electrode portion 32 faces the second opening 33B of the adhesive layer 33. The region exposed through the second opening 33B on the first surface 32A comes into contact with the skin 16. Therefore, by attaching the adhesive layer 33 to the skin 16, the electrode portion 32 can be more reliably brought into contact with the skin 16.

Further, in the electrode sheet 12, the cover layer 31 is made of a stretchable material. Therefore, with the adhesive layer 33 of the cover layer 31 attached to the skin 16, the cover layer 31 can be expanded and contracted so as to follow the movement of the skin 16.

Further, in the electrode sheet 12, the cover layer 31 is made of a material having a tensile elastic modulus of 10 Mpa or more and 1000 Mpa or less. Therefore, with the adhesive layer 33 attached to the skin 16, the cover layer 31 can be expanded and contracted so as to follow the movement of the skin 16.

Further, in the electrode sheet 12, the electrode portion 32 is at least selected from silver, silver chloride, gold, copper, iron, aluminum, magnesium, nickel, chromium, titanium, platinum, tin, zinc, and an alloy composed of these. It is made of one gold material or a conductive polymer material. Thereby, for example, by forming the electrode portion 32 on the cover layer 31 by printing or transfer, the electrode portion 32 can be integrally formed with the cover layer 31.

Further, in the electrode sheet 12, the cover layer 31 is colored in a flesh-colored manner. That is, since the cover layer 31 is close to the color of the skin 16, the cover layer 31 is difficult to see when the electrode sheet 12 is attached to the skin 16.

Further, the biological information measuring device 10 includes an electrode sheet 12 and a measuring device 14 having a connection terminal 23. In the biological information measuring device 10, the connection terminal 23 is brought into contact with the second surface 32B on the cover layer 31 side of the two electrode portions 32 through the first opening 31B of the cover layer 31, and is on the side opposite to the cover layer 31 of the electrode portion 32. The first surface 32A comes into contact with the skin 16 through the second opening 33B of the adhesive layer 33. As described above, the biological information measuring device 10 uses the electrode sheet 12 which is harder to peel off than the conventional example, so that the displacement of the electrode portion 32 is suppressed. Therefore, in the biological information measuring device 10, even when the measurement is performed for a relatively long time, the noise of the measured value due to the peeling of the electrode portion 32 is suppressed as compared with the conventional example.

Further, the method for manufacturing the electrode sheet 12 is a cover layer 31 (an example of a sheet base material) to which the release film 40 is attached, and the surface of the cover layer 31 having the first opening 31B and having an insulating property. In addition, a step of forming a plurality of electrode portions 32 separated from each other is provided. The above-mentioned step is a step of forming a plurality of electrode portions 32 at positions separated from each other in the outer edge of the cover layer 31 and at a position where a part of the first opening 31B faces the first opening 31B. Further, the method for manufacturing the electrode sheet 12 includes a step of forming an adhesive layer 33 having the same outer size as the cover layer 31 and having a non-gel form and an insulating property on the surface of the cover layer 31. In the above step, at both ends of the adhesive layer 33, a space is provided between the outer edge of the adhesive layer 33 and the outer edge of the electrode portion 32, and a plurality of electrode portions 32 are sandwiched between the cover layer 31. This is a step of forming the adhesive layer 33. Further, the method for manufacturing the electrode sheet 12 includes a step of peeling the release film 40 from the cover layer 31.

As described above, in the method for manufacturing the electrode sheet 12, the electrode portion 32 is formed on the release film 40 at the portion including the first opening 31B of the cover layer 31, the adhesive layer 33 is further formed, and then the release film 40 is formed. Since it is peeled off from the cover layer 31, there is no complicated process and the electrode sheet 12 can be easily manufactured.

[Second Embodiment]
Next, the biological information measuring device of the second embodiment will be described. The basic configuration of the biometric information measuring device of the second embodiment is the same as that of the biometric information measuring device 10 of the first embodiment. In the second embodiment, when the same components, members, etc. as those in the first embodiment are provided, the same reference numerals are given, detailed description thereof will be omitted, and the differences will be mainly described.

FIG. 9 shows the biological information measuring device 50 of the second embodiment. In the biological information measuring device 50 of the second embodiment, the mounting direction of the measuring device 52 with respect to the electrode sheet 12 is changed and the position of the connection terminal 23 is changed accordingly, and the other configurations are the living body of the first embodiment. It is the same as the information measuring device 10. As shown in FIG. 9, the biological information measuring device 50 includes an electrode sheet 12 and a measuring device 52. The measuring device 52 includes two connection terminals 23 on both sides in a direction orthogonal to the longitudinal direction. Other configurations of the measuring device 52 are the same as those of the measuring device 14 of the first embodiment.

The measuring device 52 is attached to the electrode sheet 12 so that the longitudinal direction is orthogonal to the longitudinal direction of the electrode sheet 12. Although not shown, the measuring device 52 is provided with seal portions at both ends in the longitudinal direction, and the seal portions are attached to the skin 16 (see FIG. 1). Although not shown, the connection terminal 23 of the measuring device 52 comes into contact with the second surface 32B of the electrode portion 32 through the first opening 31B of the cover layer 31 while the measuring device 52 is attached to the skin 16.

In the above-mentioned biological information measuring device 50, the effect of the same configuration as that of the first embodiment can be obtained.

[Third Embodiment]
Next, the biological information measuring device of the third embodiment will be described. The basic configuration of the biometric information measuring device of the third embodiment is the same as that of the biometric information measuring device 10 of the first embodiment. In the third embodiment, when the same components, members, etc. as those in the first embodiment are provided, the same reference numerals are given, detailed description thereof will be omitted, and the differences will be mainly described.

FIG. 10 shows the biological information measuring device 60 of the third embodiment. In the biometric information measuring device 60 of the third embodiment, only the configuration of the adhesive layer 63 of the electrode sheet 62 is changed, and the other configurations are the same as those of the biometric information measuring device 10 of the first embodiment. As shown in FIG. 10, the adhesive layer 63 has a rectangular shape, and includes a sheet-shaped adhesive portion 63A and one second opening 63B provided in the central portion of the adhesive portion 63A. The second opening 63B has a rectangular shape, and is arranged so that the longitudinal direction of the second opening 63B is the longitudinal direction of the adhesive layer 63.

In a plan view, the outer edge of the adhesive layer 63 is arranged further outside than the outer edges of the two electrode portions 32, and both ends of the adhesive layer 63 are provided with portions that do not come into contact with each of the electrode portions 32. In the second opening 63B of the adhesive layer 63, a part of the first surface 32A (not shown) opposite to the cover layer 31 of the two electrode portions 32 and the region of the cover layer 31 between the two electrode portions 32. Is exposed. The material of the adhesive layer 63 is the same as that of the adhesive layer 33 of the first embodiment.

In the biological information measuring device 60, in the state where the adhesive layer 63 is attached to the skin 16, the region exposed to the second opening 63B of the adhesive layer 63 on the first surface 32A of the electrode portion 32 is the skin 16. It is conducted by contact.

In the above-mentioned biological information measuring device 60, the effect of the same configuration as that of the first embodiment can be obtained.

In the biometric information measuring device 60 of the third embodiment, unlike the first embodiment, the second opening 63B that exposes the two electrode portions 32 is composed of one opening, so that the electrode portions 32 face each other. The adhesive layer 33 does not exist in the direction in which the adhesive layer 33 is formed. However, even in the third embodiment, since the non-gel-like adhesive layer 33 having a higher adhesive force than the conventional one is present around each electrode portion 32 in three directions, each electrode portion is compared with the conventional example. It is possible to suppress the peeling and misalignment of 32.

[Fourth Embodiment]
Next, the biological information measuring device of the fourth embodiment will be described. The basic configuration of the biometric information measuring device of the fourth embodiment is the same as that of the biometric information measuring device 10 of the first embodiment. In the fourth embodiment, when the same components, members, and the like as those in the first embodiment are provided, the same reference numerals are given, detailed description thereof will be omitted, and the differences will be mainly described.

FIG. 11 shows the biological information measuring device 70 of the fourth embodiment. In the biometric information measuring device 70 of the fourth embodiment, the configurations of the electrode portion 73 and the adhesive layer 74 of the electrode sheet 72 are changed, and other configurations are the same as those of the biometric information measuring device 10 of the first embodiment. .. As shown in FIG. 11, the electrode sheet 72 includes a cover layer 31, two electrode portions 73 provided on the surface of the cover layer 31 opposite to the side on which the measuring device 14 is attached, and a cover layer. The adhesive layer 74 provided on the side of the plurality of electrode portions 73 in 31 is provided.

The two electrode portions 73 are arranged symmetrically with respect to the center in the longitudinal direction of the electrode sheet 72. The electrode portion 73 includes a first surface 32A opposite to the cover layer 31 (not shown in FIG. 11, but is the same as the first surface 32A (see FIG. 5 and the like) of the first embodiment) and the cover layer 31. It is provided with a second surface 32B on the side. The electrode portion 73 includes a circular portion 73A and an extending portion 73B extending radially outward from a part of the circular portion 73A. The extending portion 73B extends in a direction facing the central portion in the longitudinal direction of the electrode sheet 72 with respect to the circular portion 73A. The second surface 32B of the electrode portion 73 faces the first opening 31B of the cover layer 31, and the vicinity of the extending portion 73B on the second surface 32B is exposed from the first opening 31B.

The adhesive layer 74 has a rectangular shape, and includes a sheet-shaped adhesive portion 74A and two second openings 74B provided on both sides of the adhesive portion 74A in the longitudinal direction. In the fourth embodiment, the second opening 74B has a substantially circular shape, and the inner diameter is smaller than the outer diameter of the circular portion 73A of the electrode portion 73.

In a plan view, the outer edge of the adhesive layer 74 is arranged further outside than the outer edges of the two electrode portions 73, and both ends of the adhesive layer 74 are provided with portions that do not come into contact with each of the electrode portions 73. The second opening 74B of the adhesive layer 74 and the first surface 32A of the electrode portion 73 face each other. On the first surface 32A of the electrode portion 73, a part of the circular portion 73A is exposed from the second opening 74B. The material of the adhesive layer 74 is the same as that of the adhesive layer 33 of the first embodiment.

In the biological information measuring device 70, in the state where the adhesive layer 74 is attached to the skin 16, the region exposed to the second opening 74B of the adhesive layer 74 on the first surface 32A of the electrode portion 73 is the skin 16. It is conducted by contact. Further, the connection terminal 23 of the measuring device 14 comes into contact with the extending portion 73B of the electrode portion 73 through the first opening 31B of the cover layer 31.

In the above-mentioned biological information measuring device 70, the effect of the same configuration as that of the first embodiment can be obtained. Further, in the biological information measuring device 70, the second opening 74B of the adhesive layer 74 has a circular shape, and the size is smaller than the size of the rectangular second opening 33B of the adhesive layer 33 of the first embodiment. The layer 74 is less likely to peel off from the skin 16, and the electrode portion 73 is less likely to be misaligned with respect to the skin 16.

The shape of the electrode portion 73 of the fourth embodiment is different from that of the first embodiment and the like in that the main portion is circular and not rectangular. As described above, the shape of the electrode portion 73 is not limited to the rectangular shape. In the fourth embodiment, the shape of the electrode portion 73 is different from that of the first embodiment. However, the relationship that the second surface 32B and the first opening 31B of the cover layer 31 face each other and the first surface 32A and the second opening 74B of the adhesive layer 74 face each other is the same as that of the first embodiment. ..

Similar to the fourth embodiment, the fifth embodiment shown in FIG. 12 to the tenth embodiment shown in FIG. 17 also differ in the shape and number of openings of the cover layer, and the shape and number of openings of the adhesive layer. This is a modified example of the first embodiment, such as a mode in which the numbers and the like are different. However, also in the fifth to tenth embodiments, as in the fourth embodiment, the second surface 32B of each electrode portion and the first opening of the cover layer face each other, and the first electrode portion of each electrode portion is first. The relationship in which the surface 32A and the second opening of the adhesive layer face each other is the same as in the first embodiment.

[Fifth Embodiment]
Next, the biological information measuring device of the fifth embodiment will be described. The basic configuration of the biometric information measuring device of the fifth embodiment is the same as that of the biometric information measuring device 10 of the first embodiment. In the fifth embodiment, when the same components, members, and the like as those in the first embodiment are provided, the same reference numerals are given, detailed description thereof will be omitted, and the differences will be mainly described.

FIG. 12 shows the biological information measuring device 80 of the fifth embodiment. In the biometric information measuring device 80 of the fifth embodiment, only the configuration of the adhesive layer 83 of the electrode sheet 82 is changed, and the other configurations are the same as those of the biometric information measuring device 10 of the first embodiment. As shown in FIG. 12, the electrode sheet 82 includes a cover layer 31, two electrode portions 32 provided on the surface of the cover layer 31 opposite to the side on which the measuring device 14 is attached, and two in the cover layer 31. It is provided with an adhesive layer 83 provided on the electrode portion 32 side.

The adhesive layer 83 has a rectangular shape, and includes a sheet-shaped adhesive portion 83A and a plurality of second openings 83B provided on both sides of the adhesive portion 83A in the longitudinal direction. The adhesive layer 83 is symmetrically configured with reference to the center in the longitudinal direction. In the fifth embodiment, the second opening 83B has a square shape, and four second openings 83B are close to each other in the longitudinal direction and in the direction orthogonal to the longitudinal direction on both sides of the adhesive portion 83A in the longitudinal direction. They are arranged side by side in 2 rows and 2 columns. In the adhesive layer 83, two adjacent second openings 83B are partitioned by a rod-shaped partition 83C.

In a plan view, the outer edge of the adhesive layer 83 is arranged further outside than the outer edges of the two electrode portions 32, and both ends of the adhesive layer 83 are provided with portions that do not come into contact with each of the electrode portions 32. .. The first surface of the electrode portion 32 opposite to the cover layer 31 is exposed at each of the four second openings 83B on both sides of the adhesive layer 83 in the longitudinal direction. The material of the adhesive layer 83 is the same as that of the adhesive layer 33 of the first embodiment.

In the above-mentioned biological information measuring device 80, the effect of the same configuration as that of the first embodiment can be obtained. Further, in the biological information measuring device 80, since the partition portion 83C that exerts the adhesive force is provided between the four second openings 83B of the adhesive layer 83, the adhesive layer 83 is more difficult to peel off from the skin 16. , The electrode portion 32 is less likely to be misaligned with respect to the skin 16.

[Sixth Embodiment]
Next, the biological information measuring device of the sixth embodiment will be described. The basic configuration of the biometric information measuring device of the sixth embodiment is the same as that of the biometric information measuring device 10 of the first embodiment. In the sixth embodiment, when the same components, members, and the like as those in the first embodiment are provided, the same reference numerals are given, detailed description thereof will be omitted, and the differences will be mainly described.

FIG. 13 shows the biological information measuring device 90 of the sixth embodiment. In the biometric information measuring device 90 of the sixth embodiment, only the configuration of the adhesive layer 93 of the electrode sheet 92 is changed, and the other configurations are the same as those of the biometric information measuring device 10 of the first embodiment. As shown in FIG. 13, the electrode sheet 92 includes a cover layer 31, two electrode portions 32 provided on the surface of the cover layer 31 opposite to the side on which the measuring device 14 is attached, and two in the cover layer 31. It is provided with an adhesive layer 93 provided on the electrode portion 32 side.

The adhesive layer 93 has a rectangular shape, and includes a sheet-shaped adhesive portion 93A and a plurality of second openings 93B provided on both sides of the adhesive portion 93A in the longitudinal direction. The adhesive layer 93 is formed symmetrically with respect to the center in the longitudinal direction. In the sixth embodiment, the second opening 93B has an elongated rectangular shape, and four second openings 93B are arranged in four rows close to each other in the longitudinal direction of the adhesive portion 93A on both sides of the adhesive portion 93A in the longitudinal direction. They are arranged side by side. As an example, the longitudinal direction of the second opening 93B is a direction orthogonal to the longitudinal direction of the adhesive layer 93. In the adhesive layer 93, the adjacent second openings 93B are partitioned by a partition portion 93C.

In a plan view, the outer edge of the adhesive layer 93 is arranged further outside than the outer edges of the two electrode portions 32, and both ends of the adhesive layer 93 are provided with portions that do not come into contact with each of the electrode portions 32. The first surface of the electrode portion 32 opposite to the cover layer 31 is exposed at each of the four second openings 93B on both sides of the adhesive layer 93 in the longitudinal direction. The material of the adhesive layer 93 is the same as that of the adhesive layer 33 of the first embodiment.

In the above-mentioned biological information measuring device 90, the effect of the same configuration as that of the first embodiment can be obtained. Further, in the biological information measuring device 90, since the partition portion 93C that exerts the adhesive force is provided between the four second openings 93B of the adhesive layer 93, the adhesive layer 93 is more difficult to peel off from the skin 16. The electrode portion 32 is less likely to be misaligned with respect to the skin 16.

[7th Embodiment]
Next, the biological information measuring device of the seventh embodiment will be described. The basic configuration of the biometric information measuring device of the seventh embodiment is the same as that of the biometric information measuring device 10 of the first embodiment. In the seventh embodiment, when the same components, members, and the like as those in the first embodiment are provided, the same reference numerals are given, detailed description thereof will be omitted, and the differences will be mainly described.

FIG. 14 shows the biological information measuring device 100 of the seventh embodiment. In the biometric information measuring device 100 of the seventh embodiment, only the configuration of the adhesive layer 103 of the electrode sheet 102 is changed, and the other configurations are the same as those of the biometric information measuring device 10 of the first embodiment. As shown in FIG. 14, the electrode sheet 102 includes a cover layer 31, two electrode portions 32 provided on the surface of the cover layer 31 opposite to the side on which the measuring device 14 is attached, and two in the cover layer 31. It is provided with an adhesive layer 103 provided on the electrode portion 32 side.

The adhesive layer 103 has a rectangular shape, and includes a sheet-shaped adhesive portion 103A and a plurality of second openings 103B provided at the center and both sides of the adhesive portion 103A in the longitudinal direction. The adhesive layer 103 is formed symmetrically with respect to the center in the longitudinal direction. In the seventh embodiment, the second opening 103B has an elongated rectangular shape, and four second openings 103B are arranged in four rows close to each other in the longitudinal direction at the central portion and both sides of the adhesive portion 93A in the longitudinal direction. They are arranged side by side. As an example, the longitudinal direction of the second opening 103B is a direction orthogonal to the longitudinal direction of the adhesive layer 103. In the adhesive layer 103, the adjacent second openings 103B are partitioned by a partition portion 103C.

In a plan view, the outer edge of the adhesive layer 103 is arranged further outside than the outer edges of the two electrode portions 32, and both ends of the adhesive layer 103 are provided with portions that do not come into contact with each of the electrode portions 32. The first surface of the electrode portion 32 opposite to the cover layer 31 is exposed in a part of the second opening 103B in the central portion in the longitudinal direction and the four second openings 103B on both sides in the longitudinal direction of the adhesive layer 103. .. Further, the cover layer 31 is exposed at the other second opening 103B at the center of the adhesive layer 103 in the longitudinal direction. The material of the adhesive layer 103 is the same as that of the adhesive layer 33 of the first embodiment.

In the above-mentioned biological information measuring device 100, the effect of the same configuration as that of the first embodiment can be obtained. Further, in the biological information measuring device 100, since the partition portion 103C that exerts the adhesive force is provided between the four second openings 103B of the adhesive layer 103, the adhesive layer 103 is less likely to be peeled off from the skin 16 and the electrode. The portion 32 is less likely to be misaligned with respect to the skin 16.

[8th Embodiment]
Next, the biological information measuring device of the eighth embodiment will be described. The basic configuration of the biometric information measuring device of the eighth embodiment is the same as that of the biometric information measuring device 10 of the first embodiment. In the eighth embodiment, when the same components, members, and the like as those in the first embodiment are provided, the same reference numerals are given, detailed description thereof will be omitted, and the differences will be mainly described.

FIG. 15 shows the biological information measuring device 110 of the eighth embodiment. In the biometric information measuring device 110 of the eighth embodiment, only the configuration of the cover layer 113 as an example of the sheet base material of the electrode sheet 112 is changed, and the other configurations are the same as those of the biometric information measuring device 10 of the first embodiment. Is. As shown in FIG. 15, the electrode sheet 112 includes a cover layer 113, two electrode portions 32 provided on the surface of the cover layer 113 opposite to the side on which the measuring device 14 is attached, and two in the cover layer 113. It is provided with an adhesive layer 33 provided on the electrode portion 32 side.

The cover layer 113 includes a rectangular seat portion 113A and one first opening 113B provided in the central portion of the seat portion 113A. The first opening 113B has a rectangular shape, and the longitudinal direction of the first opening 113B is a direction along the longitudinal direction of the cover layer 113. The first opening 113B in the cover layer 113 is formed so as to straddle the two electrode portions 32. In other words, both ends of the first opening 113B in the cover layer 113 in the longitudinal direction face the portions of the two electrode portions 32 on the longitudinally central portion side (that is, the longitudinally central portion side of the sheet portion 113A). ing. The cover layer 113 is made of an insulating polymer material or the like.

On the second surface 32B of the two electrode portions 32, the portion of the cover layer 113 facing the first opening 113B is exposed to the first opening 113B of the cover layer 113. The connection terminals 23 of the measuring device 14 are brought into contact with the second surface 32B of the two electrode portions 32 through the first opening 113B of the cover layer 113.

In the above-mentioned biological information measuring device 110, the effect of the same configuration as that of the first embodiment can be obtained.

[9th Embodiment]
Next, the biological information measuring device of the ninth embodiment will be described. The basic configuration of the biometric information measuring device of the ninth embodiment is the same as that of the biometric information measuring device 110 of the eighth embodiment. In the ninth embodiment, when the same components, members, and the like as those in the eighth embodiment are provided, the same reference numerals are given, detailed description thereof will be omitted, and the differences will be mainly described.

FIG. 16 shows the biological information measuring device 120 of the ninth embodiment. In the biological information measuring device 120 of the ninth embodiment, only the configuration of the measuring device 52 is changed, and the other configurations are the same as those of the biological information measuring device 110 of the eighth embodiment. As shown in FIG. 16, the biological information measuring device 120 includes an electrode sheet 112 and a measuring device 52. The measuring device 52 is the same as the measuring device 52 of the second embodiment.

The connection terminals 23 of the measuring device 52 are brought into contact with the second surface 32B of the two electrode portions 32 through one first opening 113B of the cover layer 113, respectively.

In the above-mentioned biological information measuring device 120, the effect of the same configuration as that of the eighth embodiment can be obtained.

[10th Embodiment]
Next, the biological information measuring device of the tenth embodiment will be described. The basic configuration of the biometric information measuring device of the tenth embodiment is the same as that of the biometric information measuring device 110 of the eighth embodiment. In the tenth embodiment, when the same components, members, and the like as those in the eighth embodiment are provided, the same reference numerals are given, detailed description thereof will be omitted, and the differences will be mainly described.

FIG. 17 shows the biological information measuring device 140 of the tenth embodiment. In the biometric information measuring device 140 of the tenth embodiment, only the configuration of the adhesive layer 143 of the electrode sheet 142 is changed, and the other configurations are the same as those of the biometric information measuring device 110 of the eighth embodiment. As shown in FIG. 17, the electrode sheet 142 includes a cover layer 113, two electrode portions 32 provided on the surface of the cover layer 113 opposite to the side on which the measuring device 14 is attached, and two in the cover layer 113. It is provided with an adhesive layer 143 provided on the electrode portion 32 side.

The adhesive layer 143 includes a rectangular adhesive portion 143A, two second openings 33B provided on both sides of the adhesive portion 143A in the longitudinal direction, and a third opening 143B provided in the central portion of the adhesive portion 143A in the longitudinal direction. And have. The second opening 33B has a substantially square shape, and the third opening 143B has a long rectangular shape in a direction orthogonal to the longitudinal direction of the adhesive portion 143A.

The second opening 33B of the adhesive layer 143 faces a part of the first surface 32A (not shown in FIG. 17) of the electrode portion 32, and the third opening 143B of the adhesive layer 143 is the cover layer 113. It faces the first opening 113B. In the first surface 32A of the electrode portion 32, the region exposed to the second opening 33B of the adhesive layer 143 is conducted by coming into contact with the skin 16.

In the above-mentioned biological information measuring device 140, the effect of the same configuration as that of the eighth embodiment can be obtained.

[11th Embodiment]
Next, the biological information measuring device of the eleventh embodiment will be described. In the eleventh embodiment, when the same components, members, and the like as those in the first embodiment are provided, the same reference numerals are given, detailed description thereof will be omitted, and the differences will be mainly described.

FIG. 18 shows the biological information measuring device 210 of the eleventh embodiment. In the biometric information measuring device 210 of the eleventh embodiment, the configuration of the electrode sheet 212 is changed, and other configurations are the same as those of the biometric information measuring device 10 of the first embodiment.

As shown in FIG. 18, the biological information measuring device 210 includes an electrode sheet 212 and a measuring device 14 (see FIG. 2). As shown in FIGS. 18 to 21, the electrode sheet 212 is attached with a cover layer 231 as a sheet base material having an insulating property and a first surface 131A of the cover layer 231 (in the eleventh embodiment, the measuring device 14 is attached). It is provided with an adhesive layer 232 provided on the side opposite to the side). Further, the electrode sheet 212 includes a plurality of electrode portions 233 and an insulating layer 234. The plurality of electrode portions 233 are provided on the surface of the adhesive layer 232 opposite to the cover layer 231 so as to be separated from each other. The insulating layer 234 insulates between the plurality of electrode portions 233. The insulating layer 234 is provided so as to straddle a plurality of electrode portions 233 arranged at intervals. The insulating layer 234 partially covers the inner portion in which each electrode portion 233 is close to, and exposes the outer portion of each electrode portion 233. The electrode sheet 212 of the eleventh embodiment has two electrode portions 233.

The cover layer 231 includes a rectangular sheet portion 231A and a rectangular first opening 231B formed in the central portion of the sheet portion 231A. The cover layer 231 is formed of an insulating polymer material or the like, similarly to the cover layer 31 of the first embodiment.

The adhesive layer 232 is provided at a position corresponding to the adhesive portion 232A formed on the first surface 131A of the cover layer 231 (that is, the surface of the sheet portion 231A) and the opening 231B of the sheet portion 231A in the adhesive portion 232A. It has two openings 232B. The adhesive layer 232 has substantially the same outer size as the cover layer 231. The adhesive layer 232 is non-gel-like and has an insulating property, like the adhesive layer 33 of the first embodiment.

The electrode portion 233 includes a first surface 233A on the opposite side of the cover layer 231 and a second surface 233B on the cover layer 231 side. The portion of the second surface 233B of the electrode portion 233 facing the adhesive layer 232 is in contact with the adhesive layer 232 and is attached to the cover layer 231 via the adhesive layer 232. In the second surface 233B of the electrode portion 233, the portion of the adhesive layer 232 facing the second opening 232B is exposed to the first opening 231B of the cover layer 231 through the second opening 232B. At both ends of the adhesive layer 232 in the longitudinal direction, portions that do not come into contact with each electrode portion 233 are provided. The respective electrode portions 233 are arranged symmetrically with respect to the center in the longitudinal direction of the electrode sheet 212. The electrode portion 233 is made of a gold material, a conductive polymer material, or the like, similarly to the electrode portion 32 of the first embodiment.

The outer edge of the adhesive layer 232 is provided with a portion that does not come into contact with each electrode portion 233. That is, in a plan view, the outer edge of the adhesive layer 232 is arranged further outside than the outer edge of the two electrode portions 233. In the eleventh embodiment, the length of the adhesive layer 232 in the longitudinal direction and the direction orthogonal to the longitudinal direction in a plan view is larger than the range in which the two electrode portions 233 are arranged in the longitudinal direction and the direction orthogonal to the longitudinal direction. long. That is, the adhesive layer 232 has a portion protruding to the outside of each electrode portion 233.

The measuring device 14 is attached to the second surface 131B of the cover layer 231 (in the eleventh embodiment, the surface opposite to the adhesive layer 232). With the measuring device 14 attached to the cover layer 231, the measuring device 14 is connected to the second surface 233B of the two electrode portions 233 through the first opening 231B of the cover layer 231 and the second opening 232B of the adhesive layer 232. The terminals 23 are brought into contact with each other (see FIG. 21).

As described above, an insulating layer 234 is provided on the first surface 233A of the two electrode portions 233 so as to straddle the two electrode portions 233. In the first surface 233A of the electrode portion 233, the portion provided with the insulating layer 234 is insulated from the skin 16, while the portion not provided with the insulating layer 234 is conducted by contacting with the skin 16. ..

The insulating layer 234 has a rectangular shape, and both ends in the longitudinal direction are in contact with the first surface 233A of the two electrode portions 233, respectively. The insulating layer 234 is bonded to the first surface 233A of the electrode portion 233 by adhesion or the like.

The insulating layer 234 is formed of an insulating polymer material or the like. The insulating layer 234 may be made of, for example, a material similar to the polymer material constituting the cover layer 231.

Further, the insulating layer 234 may have adhesiveness. The insulating layer 234 may be made of, for example, a material similar to the polymer material constituting the adhesive layer 232.

As shown in FIG. 21, when the biological information of the skin 16 is measured by the biological information measuring device 210, the adhesive layer 232 of the electrode sheet 212 is attached to the skin 16 (see arrow A2). As a result, the portion of the first surface 233A of the two electrode portions 233 where the insulating layer 234 is not provided comes into contact with the skin 16 (see arrow B2).

In the biological information measuring device 210, the maximum distance d1 between the parts where the connection terminal 23 of the measuring device 14 can be contacted in the two electrode parts 233 is the minimum between the parts where the skin 16 can be contacted in the two electrode parts 233. It is desirable that the distance is d2 or less.

The maximum distance d1 between the portions of the two electrode portions 233 where the connection terminal 23 of the measuring device 14 can be contacted is preferably 5 mm or more and 30 mm or less, more preferably 7 mm or more and 28 mm or less, and further preferably 9 mm or more and 25 mm or less. By setting the maximum distance d1 to the above range, the measuring device 14 can be miniaturized.

Further, the minimum distance d2 between the portions where the skin 16 can come into contact with the two electrode portions 233 is preferably 30 mm or more and 100 mm or less, more preferably 40 mm or more and 90 mm or less, and further preferably 50 mm or more and 80 mm or less. By setting the minimum distance d2 to the above range, the potential difference can be accurately detected from the two electrode portions 233.

Further, in the electrode sheet 212, the maximum distance d1 between the portions of the two electrode portions 233 where the connection terminal 23 of the measuring device 14 can be contacted is the minimum between the portions of the two electrode portions 233 where the skin 16 can be contacted. Since the distance is d2 or less, the electrode sheet 212 can be miniaturized. Further, by securing the minimum distance d2 between the portions where the skin 16 can come into contact with the two electrode portions 233, it is possible to accurately acquire the detection signal of the potential difference from the two electrode portions 233.

Here, an example of a method for manufacturing the electrode sheet 212 will be described with reference to FIGS. 22A to 22E.

As shown in FIG. 22A, the release film 40 is attached to the second surface 131B of the cover layer 231. The cover layer 231 is composed of an insulating sheet portion 231A, and has a first opening 231B in the central portion of the sheet portion 231A.

As shown in FIG. 22B, the adhesive layer 232 is formed on the surface of the sheet portion 231A of the cover layer 231 (in the example of FIG. 22B, the first surface 131A opposite to the release film 40). For example, the adhesive layer 232 is formed on the surface of the sheet portion 231A by printing the adhesive on the surface of the sheet portion 231A by screen printing or the like. The adhesive layer 232 includes an adhesive portion 232A provided on the surface of the sheet portion 231A and a second opening 232B provided at a position corresponding to the first opening 231B. The pressure-sensitive adhesive layer 232 may be formed at a predetermined position on the surface of the sheet portion 231A by transferring the pressure-sensitive adhesive.

As shown in FIG. 22C, two electrode portions 233 separated from each other are formed on the surfaces of the release film 40 and the adhesive layer 232. For example, by printing a conductive material on the surfaces of the release film 40 and the adhesive layer 232 by screen printing or the like, a part of the surface of the adhesive layer 232, the second opening 232B of the adhesive layer 232, and the first cover layer 231 are printed. Two electrode portions 233 are formed on a part of the release film 40 through the opening 231B. As a result, a part of the second surface 233B of the electrode portion 233 is in contact with the adhesive layer 232 and the release film 40. That is, two electrode portions 233 are formed on the adhesive layer 232 and the release film 40 so as to include a part of the second opening 232B. In FIG. 22C, the thickness of the adhesive layer 232 and the cover layer 231 is shown to be thicker than the actual thickness in order to make the configuration easy to understand, but the actual thickness of the adhesive layer 232 and the cover layer 231 is sufficiently thin. A part of the two electrode portions 233 is formed on the release film 40. By transferring the conductive material, two electrode portions 233 may be formed at predetermined positions of the adhesive layer 232 and the release film 40.

As shown in FIG. 22D, the insulating layer 234 is formed so as to straddle the first surface 233A of the two electrode portions 233. For example, by printing an insulating polymer material on the release film 40 and the first surface 233A of the two electrode portions 233 by screen printing or the like, between the first surface 233A of the two electrode portions 233 and the electrode portion 233. An insulating layer 234 is formed on a part of the release film 40 through the space of. As a result, one surface of the insulating layer 234 is in contact with the first surface 233A of the two electrode portions 233 and the release film 40. That is, an insulating layer 234 that insulates between the two electrode portions 233 is formed on the release film 40 at the portion including the two electrode portions 233. In FIG. 22D, the thicknesses of the adhesive layer 232, the cover layer 231 and the electrode portion 233 are shown to be thicker than the actual thickness in order to make the configuration easy to understand. Since the actual thickness is sufficiently thin, a part of the insulating layer 234 is formed on the release film 40. By transferring the insulating polymer material, the insulating layer 234 may be formed at the predetermined positions of the first surface 233A of the two electrode portions 233 and the release film 40.

As shown in FIG. 22E, the release film 40 is peeled from the cover layer 231 and the like. As a result, the electrode sheet 212 is manufactured. When the electrode sheet 212 is actually distributed as a product, the release film 40 as the release sheet is attached to the cover layer 231 and the release sheet (not shown) is placed on the side of the electrode portion 233 and the insulating layer 234. The product of the electrode sheet 212 is completed in the attached state. Then, when the electrode sheet 212 is used, the release sheet on the side of the electrode portion 233 and the insulating layer 234 is removed from the product of the electrode sheet 212, and the release film 40 on the side of the cover layer 231 is removed.

The measuring device 14 is attached to the cover layer 231 of the electrode sheet 212 (see FIG. 21). As a result, the connection terminal 23 of the measuring device 14 comes into contact with the second surface 233B of the two electrode portions 233, respectively.

In the above electrode sheet 212, two electrode portions 233 are provided on the first surface 131A side of the cover layer 231 via the adhesive layer 232. By attaching the adhesive layer 232 to the skin 16, the skin 16 comes into contact with the first surface 233A on the side opposite to the cover layer 231 of the electrode portion 233 (see FIG. 21). Further, the connection terminal 23 of the measuring device 14 is in contact with the second surface 233B on the cover layer 231 side of the electrode portion 233 through the first opening 231B of the cover layer 231.

As a result, in the measuring device 14, the potential difference generated in the skin 16 is detected by the two electrode portions 233 of the electrode sheet 212, and the biological information is measured by the detected potential difference. Further, the eleventh embodiment also has the same effect as the first embodiment as follows.

In the above electrode sheet 212, since the adhesive layer 232 is made of a non-gel-like and insulating adhesive material, it is compared with a conventional example using a conductive adhesive gel layer that is easily peeled off by moisture. As a result, the adhesive layer 232 is difficult to peel off due to sweat or the like. Further, since the adhesive layer 232 has substantially the same outer size as the cover layer 231, the adhesive layer 232 is arranged up to the outer edge of the cover layer 231. Therefore, the entire electrode sheet 212 is difficult to peel off from the skin 16. Further, since the electrode sheet 212 is difficult to peel off, the conductive state is stable as compared with the conventional example in which the conductive adhesive gel layer, which is easier to peel off than the non-gel-like adhesive layer 232, secures the continuity with the skin 16. ..

The electrode portion 233 is provided inside the outer edges of the cover layer 231 and the adhesive layer 232, and at both ends of the adhesive layer 232, a gap is provided between the outer edge of the adhesive layer 232 and the outer edge of the electrode portion 233. .. Since the periphery of the electrode portion 233 is fixed to the skin 16 by the adhesive layer 232, the displacement of the electrode portion 233 is also suppressed. Since the conventional conductive pressure-sensitive adhesive gel layer is easier to peel off than the non-gel-like pressure-sensitive adhesive layer 232, it is also easily displaced. In the eleventh embodiment, since the periphery of the electrode portion 233 is fixed by the adhesive layer 232, the electrode portion 233 is unlikely to be displaced. Therefore, the electrode sheet 212 is more stable in the conductive state than the conventional example in which the conductive adhesive gel layer is used as the electrode portion and the adhesive layer.

Therefore, in the electrode sheet 212, the noise of the measured value due to the peeling of the electrode portion 233 is suppressed as compared with the conventional example even when the measurement is performed for a relatively long time.

Further, in the electrode sheet 212, the cover layer 231 and the adhesive layer 232 and the electrode portion 233 are laminated in this order, and in the electrode portion 233, the second surface 233B faces the second opening 232B of the adhesive layer 232. There is. As a result, in the electrode portion 233, the region exposed through the first opening 231B of the cover layer 231 and the second opening 232B of the adhesive layer 232 on the second surface 233B comes into contact with the connection terminal 23 as an electrical contact of the measuring device 14. (See FIG. 21). As a result, the contact between the connection terminal 23 of the measuring device 14 and the electrode portion 233 can be ensured.

Further, in the electrode sheet 212, the outer edge of the adhesive layer 232 is arranged further outside than the outer edges of the two electrode portions 233 in a plan view. Therefore, by attaching the adhesive layer 232 to the skin 16, the electrode portion is formed. The 233 can be brought into contact with the skin 16.

An insulating layer 234 that insulates between the two electrode portions 233 is provided on the first surface 233A side of each of the two electrode portions 233. By providing the insulating layer 234, it is possible to prevent the electrode portions 233 provided at intervals from being short-circuited due to bending of the electrode sheet 212 or the like. Therefore, since the two electrode portions 233 can be reliably insulated from each other, it is possible to suppress noise from entering the measured value.

Further, in the biological information measuring device 210, the effect of the same configuration as that of the first embodiment can be obtained.

Further, as a method for manufacturing the electrode sheet 212, a cover layer 231 (an example of a sheet base material) to which the release film 40 is attached is used. Then, on the surface of the cover layer 231 having the first opening 231B and having an insulating property, an adhesive layer 232 having the same outer size as that of the cover layer 231, being non-gel-like, and having an insulating property is formed. It has a process. The above step is a step of forming an adhesive layer 232 having a second opening 232B communicating with the first opening 231B on the surface of the cover layer 231. Further, in the method of manufacturing the electrode sheet 212, a plurality of electrode portions 233 are separated from each other in the outer edges of the cover layer 231 and the adhesive layer 232 and partially face the first opening 231B and the second opening 232B. It has a process of forming. The above step is a step of forming a plurality of electrode portions 233 at both ends of the adhesive layer 232 in such a manner that a space is provided between the outer edge of the adhesive layer 232 and the outer edge of the electrode portion 233. Further, the method for manufacturing the electrode sheet 212 includes a step of peeling the release film 40 from the cover layer 231.

In the above method for manufacturing the electrode sheet 212, an insulating layer 234 that insulates between the two electrode portions 233 is formed on the release film 40 at a portion including the two electrode portions 233, and then the release film 40 is covered with the release film 40. Since it is peeled off from 231 there is no complicated process, and the electrode sheet 212 can be easily manufactured.

Further, when the insulating layer 234 is formed on the electrode sheet 212 as in the eleventh embodiment, in the method for manufacturing the electrode sheet 212, two electrodes are formed on the release film 40 at a portion including the two electrode portions 233. A step of forming an insulating layer 234 that insulates between the portions 233 is added.

In the biological information measuring device 210, the electrode sheet 212 is provided with an insulating layer 234 having no adhesiveness, but the insulating layer may have an adhesive layer. As a result, the insulating layer of the electrode sheet 212 adheres to the skin 16, so that the positional deviation of the electrode portion 233 can be suppressed more effectively.

[12th Embodiment]
Next, the biological information measuring device of the twelfth embodiment will be described. The basic configuration of the biometric information measuring device of the twelfth embodiment is the same as that of the biometric information measuring device 210 of the eleventh embodiment. In the twelfth embodiment, when the same components, members, and the like as those in the eleventh embodiment are provided, the same reference numerals are given, detailed description thereof will be omitted, and the differences will be mainly described.

FIG. 23 shows the biological information measuring device 240 of the twelfth embodiment. In the biological information measuring device 240 of the twelfth embodiment, only the configuration of the measuring device 52 is changed, and the other configurations are the same as those of the biological information measuring device 210 of the eleventh embodiment. As shown in FIG. 23, the biological information measuring device 240 includes an electrode sheet 212 and a measuring device 52. The measuring device 52 includes two connection terminals 23 on both sides in a direction orthogonal to both in the longitudinal direction. The configuration of the measuring device 52 is the same as that of the measuring device 52 of the second embodiment.

The measuring device 52 is attached to the electrode sheet 212 so that the longitudinal direction of the measuring device 52 is orthogonal to the longitudinal direction of the electrode sheet 212. Although not shown, the measuring device 52 is provided with seal portions at both ends in the longitudinal direction, and the seal portions are attached to the skin 16 (see FIG. 1). With the measuring device 52 attached to the skin 16, the connection terminal 23 of the measuring device 52 passes through the first opening 231B of the cover layer 231 and the second opening 232B of the adhesive layer 232 to the second surface 233B of the electrode portion 233, respectively. Contact.

In the above-mentioned biological information measuring device 240, the effect having the same configuration as that of the eleventh embodiment can be obtained.

[13th Embodiment]
Next, the biological information measuring device of the thirteenth embodiment will be described. The basic configuration of the biometric information measuring device of the thirteenth embodiment is the same as that of the biometric information measuring device 10 of the first embodiment. In the thirteenth embodiment, when the same components, members, and the like as those in the first embodiment are provided, the same reference numerals are given, detailed description thereof will be omitted, and the differences will be mainly described.

FIG. 24 shows a cover layer 251 as an example of the sheet base material of the thirteenth embodiment. In the biometric information measuring device 10 of the thirteenth embodiment, only the configuration of the cover layer 251 of the electrode sheet 12 is changed, and the other configurations are the same as those of the biometric information measuring device 10 of the first embodiment. As shown in FIG. 24, the cover layer 251 has a rectangular sheet portion 252 formed by entwining a plurality of wires 252A having insulating properties, and a rectangular first portion formed at the center of the sheet portion 252. It has an opening 253.

The cover layer 251 has moisture permeability. The sheet portion 252 of the cover layer 251 is composed of a non-woven fabric-like member in which a plurality of wires 252A having insulating properties are entwined, and has a large number of holes (for example, openings). That is, the sheet portion 252 has moisture permeability because it is provided with a large number of holes. The aperture ratio of the sheet portion 252 is preferably 30% or more and 90% or less, more preferably 40% or more and 80% or less, and preferably 50% or more and 70% or less with respect to the volume of the sheet portion. More preferred.

Further, the hole diameter of the sheet portion 252 is preferably 0.1 μm or more and 100 μm or less, more preferably 0.5 μm or more and 70 μm or less, and further preferably 10 μm or more and 50 μm or less. Moisture permeability can be ensured by setting the opening ratio and the hole diameter of the sheet portion 252 within the above ranges. By ensuring the moisture permeability of the sheet portion 252, cutaneous respiration becomes easy. The sheet portion 252 may be formed in a mesh shape instead of the non-woven fabric shape.

In the thirteenth embodiment, the sheet portion 252 of the cover layer 251 is made of a stretchable material. The stretchable material is the same as the sheet portion 31A of the first embodiment.

In the electrode sheet 12 described above, the following effects can be obtained in addition to the effects having the same configuration as that of the first embodiment. In the electrode sheet 12, the sheet portion 252 is formed in a non-woven fabric shape by entwining a plurality of insulating wires 252A, so that the moisture permeability of the cover layer 251 is ensured. Therefore, the skin can breathe with the electrode portion and the adhesive layer 232 provided on the cover layer 251 attached to the skin 16. In addition, the skin 16 is suppressed from getting stuffy inside the cover layer 251, and the wearing feeling of the electrode sheet 12 can be improved.

[14th Embodiment]
Next, the biological information measuring device of the 14th embodiment will be described. The basic configuration of the biometric information measuring device of the 14th embodiment is the same as that of the biometric information measuring device 210 of the 11th embodiment. In the 14th embodiment, when the same components, members, etc. as those in the 11th embodiment are provided, the same reference numerals are given, detailed description thereof will be omitted, and the differences will be mainly described.

FIG. 25 shows the biological information measuring device 260 of the 14th embodiment. As shown in FIG. 25, the biological information measuring device 260 of the 14th embodiment includes an electrode sheet 261 and a measuring device 14. In the electrode sheet 261, only the configurations of the two electrode portions 262 are changed, and the other configurations are the same as those of the electrode sheet 212 of the eleventh embodiment.

As shown in FIG. 26, the electrode portion 262 includes a mesh material 263 in which conductive wire rods 263A intersect, and an adhesive 264 that has entered between the mesh materials 263. The mesh material 263 may be formed by, for example, weaving the wire rod 263A, or by printing or transferring the wire rod 263A. Further, for example, the pressure-sensitive adhesive 264 may be filled between the mesh materials 263 using a jig that discharges the pressure-sensitive adhesive 264, or the pressure-sensitive adhesive 264 may be kneaded between the mesh materials 263 with a scraper or the like. .. Further, printing or transfer may be performed so that the pressure-sensitive adhesive is arranged between the pressure-sensitive adhesive layers to be applied later.

The diameter of the wire rod 263A of the mesh material 263 is preferably 1 μm or more and 2 mm or less, more preferably 5 μm or more and 1 mm or less, and further preferably 10 μm or more and 500 μm or less.

Further, the thickness of the electrode portion 262 is preferably 3 μm or more and 30 μm or less, more preferably 5 μm or more and 25 μm or less, and further preferably 10 μm or more and 20 μm or less. By setting the thickness of the electrode portion 262 or the diameter of the wire rod 263A within the above range, the flexibility of the electrode sheet 261 can be ensured.

The electrode portion 262 has conductivity because it includes a mesh material 263 in which conductive wire rods 263A intersect. Further, the electrode portion 262 has adhesiveness because the adhesive 264 is inserted between the mesh materials 263. The configuration of the electrode sheet 261 other than the electrode portion 262 is the same as that of the electrode sheet 212 of the eleventh embodiment.

When the electrode portion 262 is composed of a plurality of wire rods 263A, it is not always necessary to cross the wire rods 263A to form a mesh. For example, a structure in which a plurality of wire rods are arranged substantially in parallel and the wire rods are connected to each other at the ends arranged in parallel may be used.

As shown in FIG. 25, in the biological information measuring device 260, the adhesive layer 232 of the electrode sheet 261 is attached to the skin 16, and the two electrode portions 262 of the electrode sheet 261 are further attached to the skin 16 (see arrow C3). As a result, the first surface 262A of the two electrode portions 262 comes into contact with the skin 16. The connection terminal 23 of the measuring device 14 is in contact with the second surface 262B of the two electrode portions 262.

In the electrode sheet 261 and the biological information measuring device 260 described above, the following effects can be obtained in addition to the effects having the same configuration as that of the eleventh embodiment. In the electrode sheet 261 and the biological information measuring device 260, the electrode portion 262 has adhesiveness. In the eleventh embodiment, as shown in FIG. 21, the electrode portion 233 does not have adhesiveness. Therefore, by making the electrode portion 262 adhesive as in the 14th embodiment, the electrode portion 262 is easily attached to the skin 16 and the two electrode portions 262 are suppressed from being lifted from the skin 16.

Further, in the electrode sheet 261 and the biological information measuring device 260, the electrode portion 262 includes a mesh material 263 in which conductive wire rods 263A intersect and an adhesive 264 that has entered between the mesh materials 263. Therefore, the adhesive 264 between the mesh materials 263 easily adheres to the skin 16, and the electrode portion 262 is more reliably suppressed from being lifted from the skin. Further, since the pressure-sensitive adhesive 264 is inserted between the mesh materials 263, it is easy to manufacture the electrode portion 262 of the electrode sheet 261.

[15th Embodiment]
Next, the biological information measuring device of the fifteenth embodiment will be described. The basic configuration of the biometric information measuring device of the fifteenth embodiment is the same as that of the biometric information measuring device 10 of the first embodiment. In the fifteenth embodiment, when the same components, members, and the like as those in the first embodiment are provided, the same reference numerals are given, detailed description thereof will be omitted, and differences will be mainly described.

FIG. 27 shows the biological information measuring device 300 of the fifteenth embodiment. In the biometric information measuring device 300 of the fifteenth embodiment, only the configuration of the electrode portion 303 of the electrode sheet 302 is changed, and the other configurations are the same as those of the biometric information measuring device 10 of the first embodiment. As shown in FIG. 27, the electrode portion 303 has adhesiveness and has the same configuration as the electrode portion 262 of the 14th embodiment.

In the biometric information measuring device 300 described above, when the adhesive layer 33 of the electrode sheet 302 is attached to the skin 16 (see arrow A4), the electrode portion 303 is also attached to the skin 16 (see arrow B4). As a result, the electrode portion 303 is more reliably suppressed from being lifted from the skin 16.

Although not shown, in the biological information measuring devices of the second to tenth embodiments and the twelfth to thirteenth embodiments, the electrode portion 32 and the electrode portion 73 are the constituent materials of the electrode portion 303 of the fifteenth embodiment. By substituting with, the electrode portion may be configured to have adhesiveness. As a result, in the biological information measuring device, as in the fifteenth embodiment, the electrode portion is attached to the skin 16 so that the electrode portion is more reliably suppressed from being lifted from the skin 16.

[16th Embodiment]
Next, the biological information measuring device of the 16th embodiment will be described. The basic configuration of the biometric information measuring device of the 16th embodiment is the same as that of the biometric information measuring device 210 of the 11th embodiment. In the 16th embodiment, when the same components, members, etc. as those in the 11th embodiment are provided, the same reference numerals are given, detailed description thereof will be omitted, and the differences will be mainly described.

FIG. 28A shows an exploded perspective view of the electrode portion 272 of the 16th embodiment, and FIG. 28B shows a part of the electrode portion 272 of the 16th embodiment in a cross-sectional view. As shown in FIGS. 28A and 28B, the electrode portion 272 includes a mesh material 273 in which an insulating wire 273A containing an adhesive is entangled, and a conductive portion 274 in which one side of the mesh material 273 is coated with a conductive material. It has. The mesh material 273 is formed, for example, by entwining and joining a plurality of wires 273A or hardening them with an adhesive or the like. Further, the conductive portion 274 is formed by, for example, applying a conductive material to one side of the mesh material 273 with a scraper or the like.

The electrode portion 272 has adhesiveness because it includes a mesh material 273 in which an insulating wire 273A containing an adhesive is entangled.

Although not shown, since the mesh material 273 has a large number of openings, the conductive material constituting the conductive portion 274 passes between the mesh materials 273 and is placed on the surface opposite to one side of the mesh material 273. Is also exposed, and the conductive portion 274 is also formed on the surface of the mesh material 273 opposite to one side. Therefore, it is possible to secure the continuity between the conductive portion 274 and the skin 16. Further, regardless of which side of the mesh material 273 the conductive portion 274 is provided, at least a part of the conductive portion 274 is exposed on both sides of the mesh material 273 through the opening of the mesh material 273. Therefore, the conductive portion 274 of the electrode portion 272 may be provided on either surface of the mesh material 273. The configuration other than the electrode portion 272 is the same as that of the electrode sheet 212 of the eleventh embodiment.

In the electrode sheet 212 and the biological information measuring device 210 described above, the following effects can be obtained in addition to the effects having the same configuration as that of the eleventh embodiment. In the above-mentioned electrode sheet 212 and the biological information measuring device 210, since the electrode portion 272 has adhesiveness, the electrode portion 272 easily sticks to the skin 16 and the two electrode portions 272 are suppressed from being lifted from the skin 16. Will be done.

Further, in the electrode sheet 212 and the biological information measuring device 210, the electrode portion 272 has a mesh material 273 in which an insulating wire 273A containing an adhesive is entangled, and a conductive portion 274 on one side of the mesh material 273. Since the electrode portion 272 is provided, the mesh material 273 of the electrode portion 272 easily adheres to the skin 16, and the electrode portion 272 is more reliably suppressed from being lifted from the skin 16. Further, since the conductive portion 274 coated with the conductive material is provided on one side of the mesh material 273, the electrode portion 272 can be easily manufactured.

Although not shown, in the biometric information measuring devices of the first to tenth embodiments and the twelfth to thirteenth embodiments, the electrode portion 32 and the electrode portion 73 are the constituent materials of the electrode portion 272 of the sixteenth embodiment. By substituting with, the electrode portion may be configured to have adhesiveness. As a result, in the biological information measuring device, as in the fifteenth embodiment, the electrode portion is attached to the skin 16 so that the electrode portion is more reliably suppressed from being lifted from the skin 16.

[17th Embodiment]
Next, the biological information measuring device of the 17th embodiment will be described. The basic configuration of the biometric information measuring device of the 17th embodiment is the same as that of the biometric information measuring device 210 of the 11th embodiment. In the 17th embodiment, when the same components, members, etc. as those in the 11th embodiment are provided, the same reference numerals are given, detailed description thereof will be omitted, and the differences will be mainly described.

FIG. 29A shows a part of the electrode portion 282 of the 17th embodiment in a plan view, and FIG. 29B shows a part of the electrode portion 282 of the 17th embodiment in a cross-sectional view. As shown in FIGS. 29A and 29B, the electrode portion 282 has an adhesive 284 kneaded into the conductive portion 283 made of a conductive material. The electrode portion 282 is formed, for example, by melting the conductive material constituting the conductive portion 283, kneading the adhesive 284 in a dispersed state, and solidifying the conductive material.

The adhesive 284 is exposed on both sides of the electrode portion 282. Therefore, the electrode portion 282 has adhesiveness. The configuration other than the electrode portion 282 is the same as that of the electrode sheet 212 of the eleventh embodiment.

In the electrode sheet 212 and the biological information measuring device 210 described above, the following effects can be obtained in addition to the effects having the same configuration as that of the eleventh embodiment. In the above-mentioned electrode sheet 212 and the biological information measuring device 210, since the electrode portion 282 has adhesiveness, the electrode portion 282 easily sticks to the skin 16 and the two electrode portions 282 are suppressed from being lifted from the skin 16. Will be done.

Further, in the electrode sheet 212 and the biological information measuring device 210, since the adhesive 284 is kneaded into the conductive portion 283 made of the conductive material in the electrode portion 282, the adhesive 284 of the electrode portion 282 is used. It is easy to stick to the skin 16, and the electrode portion 282 is more reliably suppressed from being lifted from the skin 16. Further, since the adhesive 284 is kneaded into the conductive portion 283 made of the conductive material in the electrode portion 282, good conductivity and adhesiveness can be ensured on the entire surface of the electrode portion 282.

Although not shown, in the biometric information measuring devices of the first to tenth embodiments and the twelfth to thirteenth embodiments, the electrode portion 32 and the electrode portion 73 are the constituent materials of the electrode portion 282 of the seventeenth embodiment. By substituting with, the electrode portion may be configured to have adhesiveness. As a result, in the biological information measuring device, the electrode portion is prevented from being lifted from the skin 16 by sticking the electrode portion to the skin 16, as in the 17th embodiment.

[18th Embodiment]
Next, the biological information measuring device of the 18th embodiment will be described. The basic configuration of the biometric information measuring device of the 18th embodiment is the same as that of the biometric information measuring device 10 of the 1st embodiment. In the eighteenth embodiment, when the same components, members, and the like as those in the first embodiment are provided, the same reference numerals are given, detailed description thereof will be omitted, and the differences will be mainly described.

FIG. 30 shows the biological information measuring device 320 of the 18th embodiment. As shown in FIG. 30, the biological information measuring device 320 of the 18th embodiment includes an electrode sheet 12, a measuring device 14, and a hook-and-loop fastener 322 that attaches the measuring device 14 to the electrode sheet 12. The hook-and-loop fastener 322 is an example of a detachable mechanism.

The hook-and-loop fastener 322 includes a hook-shaped portion 322A in which a plurality of hook portions are implanted, and a loop-shaped portion 322B in which a plurality of loop portions in which the hook portions are locked are implanted. The hook-shaped portion 322A is attached to, for example, the edge of the back surface 21D of the housing 21 of the measuring device 14 by adhesion or the like. The loop-shaped portion 322B is attached to, for example, the second surface 131B on the side opposite to the electrode portion 32 of the cover layer 31 of the electrode sheet 12 by adhesion or the like. In the eighteenth embodiment, the loop-shaped portions 322B are provided on both end sides of the seat portion 31A in the longitudinal direction.

In the hook-and-loop fastener 322, by pressing the hook-shaped portion 322A and the loop-shaped portion 322B, the hook portion of the hook-shaped portion 322A is locked to the loop portion of the loop-shaped portion 322B, and the hook-shaped portion 322A and the loop-shaped portion 322B Is configured to stick. The hook-and-loop fastener 322 can be attached to or detached from the hook-shaped portion 322A and the loop-shaped portion 322B. With the hook-shaped portion 322A and the loop-shaped portion 322B attached, the hook-shaped portion 322A is attached to the measuring device 14 so that the connection terminal 23 of the measuring device 14 comes into contact with the electrode portion 32 of the electrode sheet 12. The position and the mounting position of the loop-shaped portion 322B to the electrode sheet 12 are set. That is, the surface fastener 322 allows the electrode portion 32 of the electrode sheet 12 and the connection terminal 23 of the measuring device 14 to be brought into contact with each other so as to be detachable.

In the biological information measuring device 320, the hook-shaped portion 322A of the measuring device 14 and the loop-shaped portion 322B of the electrode sheet 12 are pressed against each other to attach the hook-shaped portion 322A and the loop-shaped portion 322B, and the measuring device 14 conducts an electrode. It is attached to the seat 12. Then, with the measuring device 14 attached to the electrode sheet 12, the connection terminal 23 of the measuring device 14 comes into contact with the electrode portion 32 of the electrode sheet 12.

In the above-mentioned biological information measuring device 320, the following effects can be obtained in addition to the effects having the same configuration as that of the first embodiment. In the biological information measuring device 320, the electrode sheet 12 and the measuring device 14 are provided with a hook-and-loop fastener 322 that brings the electrode portion 32 and the connection terminal 23 into contact with each other so as to be detachable. Therefore, the surface fastener 322 allows the measuring device 14 to be attached to and detached from the electrode sheet 12 many times, improving the operability of the biological information measuring device 320. Further, one of the measuring device 14 and the electrode sheet 12 can be replaced due to damage or the like. In this example, the hook-and-loop fastener 322 is provided on the cover layer 31, but if a conductive hook-and-loop fastener is used as the hook-and-loop fastener 322, it is exposed through the first opening 31B on the second surface 32B of the electrode portion 32. It is also possible to provide a hook-and-loop fastener on the portion to be provided. In this case, the connection terminal 23 and the electrode portion 32 may be electrically connected via a conductive hook-and-loop fastener.

[19th Embodiment]
Next, the biological information measuring device of the 19th embodiment will be described. The basic configuration of the biometric information measuring device of the 19th embodiment is the same as that of the biometric information measuring device 240 of the 12th embodiment. In the nineteenth embodiment, when the same components, members, and the like as those in the twelfth embodiment are provided, the same reference numerals are given, detailed description thereof will be omitted, and the differences will be mainly described.

FIG. 31 shows the biological information measuring device 330 of the 19th embodiment. As shown in FIG. 31, the biological information measuring device 330 of the 19th embodiment includes an electrode sheet 212, a measuring device 52, and a hook-and-loop fastener 322 that attaches the measuring device 52 to the electrode sheet 212.

The hook-shaped portion 322A of the hook-and-loop fastener 322 is attached to, for example, the edge of the back surface 21D of the housing 21 of the measuring device 52 by adhesion or the like. The loop-shaped portion 322B of the hook-and-loop fastener 322 is attached to, for example, the second surface 131B on the side opposite to the adhesive layer 232 of the cover layer 231 of the electrode sheet 212 by adhesion or the like. In the nineteenth embodiment, the loop-shaped portion 322B is provided at the edge of the first opening 231B in the seat portion 231A.

With the hook-shaped portion 322A and the loop-shaped portion 322B attached, the hook-shaped portion 322A is attached to the measuring device 52 so that the connection terminal 23 of the measuring device 52 comes into contact with the electrode portion 233 of the electrode sheet 212. The position and the mounting position of the loop-shaped portion 322B to the electrode sheet 212 are set.

In the above-mentioned biological information measuring device 330, the following effects can be obtained in addition to the effects having the same configuration as that of the twelfth embodiment. The biological information measuring device 330 is provided with a hook-and-loop fastener 322 that brings the electrode portion 233 and the connection terminal 23 into contact with each other so as to be detachable from the electrode sheet 212 and the measuring device 52. Therefore, the surface fastener 322 allows the measuring device 52 to be attached to and detached from the electrode sheet 212 many times, improving the operability of the biological information measuring device 330. Further, one of the measuring device 52 and the electrode sheet 212 can be replaced due to damage or the like. Similar to the 18th embodiment, in the 19th embodiment, it is also possible to use a conductive surface fastener as the surface fastener 322.

〔others〕
In the biological information measuring apparatus of the first to nineteenth embodiments, an electrode sheet provided with any of two electrode portions is used, but the present disclosure is not limited to the two electrode portions, and 2 An electrode sheet having a plurality of electrode portions may be used. As the three or more electrode portions, for example, a positive electrode portion, a negative electrode portion, a reference electrode portion, and the like can be provided. Further, a plurality of positive electrode portions and a plurality of negative electrode portions may be provided.

Further, in the biological information measuring apparatus of the first to nineteenth embodiments, the cover layer is colored in a flesh-colored shape, but a color other than the flesh-colored shape may be used. The cover layer can be changed to other colors, for example transparent, white, or translucent white.

Further, in the biometric information measuring apparatus of the first to nineteenth embodiments, the cover layer may be transparent and at least one of the electrode portions may be formed of a transparent material. As the transparent material, for example, a transparent conductive polymer material or the like can be used.

Further, in the biological information measuring devices of the 18th and 19th embodiments, the attachment positions of the hook-shaped portion 322A and the loop-shaped portion 322B may be reversed. That is, the hook-shaped portion 322A may be attached to the electrode sheet, and the loop-shaped portion 322B may be attached to the measuring device. Further, the configuration of the hook-and-loop fastener 322 can be changed, and one in which both hooks and loops are implanted may be used. Further, as the surface fastener, instead of the hook and the loop, a click type having a strong binding force by being raised in a mushroom shape may be used, or a sawtooth-shaped shark bite type or the like may be used.

Further, in the biological information measuring devices of the 18th and 19th embodiments, an adhesive layer is provided on one of the electrode sheet and the measuring device instead of the hook-and-loop fastener as the attachment / detachment mechanism, and the electrode sheet and the measuring device are attached / detached by the adhesive layer. It may be configured to be combined as possible. Further, as the attachment / detachment mechanism, a detachable member such as an adhesive tape or a magnet may be used instead of the hook-and-loop fastener.

Further, the attachment / detachment mechanism such as the hook-and-loop fastener provided in the biological information measuring devices of the 18th and 19th embodiments is provided in the biological information measuring devices of the 2nd to 11th embodiments and the 12th to 17th embodiments. May be good.

Although the embodiments of the present disclosure have been described above, the present disclosure is not limited to the above embodiments, and various embodiments are carried out within a range that does not deviate from the gist of the present disclosure, for example, by appropriately combining the above embodiments. It goes without saying that it can be done.

The entire disclosure of Japanese patent application 2020-024401 is incorporated herein by reference in its entirety.
All documents, patent applications, and technical standards described herein are to the same extent as if the individual documents, patent applications, and technical standards were specifically and individually stated to be incorporated by reference. Incorporated herein by reference.

Claims

A sheet base material having a first opening and insulating properties,
An adhesive layer having a second opening and having the same outer size as the sheet base material, which is non-gel-like and has insulating properties.
A plurality of electrode portions provided apart from each other in the outer edge of the sheet base material and the adhesive layer, and the skin to be measured is in direct contact with the first surface opposite to the sheet base material, and the said. The second surface on the sheet base material side is provided with an electrode portion in which the electrical contact of the measuring device comes into contact with at least through the first opening.
An electrode sheet in which a space is provided between the outer edge of the adhesive layer and the outer edge of the electrode portion at both ends of the adhesive layer.
The sheet base material, the electrode portion, and the adhesive layer are laminated in this order.
The electrode according to claim 1, wherein the first surface of the electrode portion faces the second opening of the adhesive layer, and a region exposed through the second opening on the first surface comes into contact with the skin. Sheet.
The sheet base material, the adhesive layer, and the electrode portion are laminated in this order.
In the electrode portion, the second surface faces the second opening of the adhesive layer, and the region exposed on the second surface through the first opening of the sheet base material and the second opening of the adhesive layer is formed. The electrode sheet according to claim 1, which comes into contact with the electrical contact.
The electrode sheet according to claim 3, which is arranged on the first surface side of each of the plurality of electrode portions and includes an insulating layer that insulates between the plurality of electrode portions.
The electrode sheet according to any one of claims 1 to 4, wherein the adhesive layer is composed of an acrylic adhesive.
The electrode sheet according to any one of claims 1 to 5, wherein the sheet base material is made of a stretchable material.
The electrode sheet according to claim 6, wherein the sheet base material is made of a material having a tensile elastic modulus of 10 Mpa or more and 2000 Mpa or less.
From claim 1, the maximum distance between the portions where the electrical contacts of the measuring device can be contacted in the plurality of electrode portions is equal to or less than the minimum distance between the portions where the skin can be contacted in the plurality of electrode portions. The electrode sheet according to any one of claims 7.
The electrode portion is made of at least one gold material selected from silver, silver chloride, gold, copper, iron, aluminum, magnesium, nickel, chromium, titanium, platinum, tin, zinc, and an alloy composed of these, or The electrode sheet according to any one of claims 1 to 8, which is made of a conductive polymer material.
The electrode sheet according to any one of claims 1 to 9, wherein the electrode portion has adhesiveness.
The electrode sheet according to claim 10, wherein the electrode portion includes a mesh material in which a conductive wire rod is formed in a mesh shape and an adhesive that has entered between the mesh materials.
The electrode according to claim 10, wherein the electrode portion includes a mesh material in which an insulating wire containing an adhesive is entangled, and a conductive material coated on one side of the mesh material. Sheet.
The electrode sheet according to claim 10, wherein the electrode portion is made of a conductive material in which an adhesive is kneaded.
The electrode sheet according to any one of claims 1 to 13, wherein the sheet base material is colored in a flesh-colored manner.
The sheet base material is transparent and
The electrode sheet according to any one of claims 1 to 13, wherein a transparent material is used for the electrode portion.
The electrode sheet according to any one of claims 1 to 15, wherein the sheet base material has moisture permeability.
The electrode sheet according to any one of claims 1 to 16.
A measuring device having an electrical contact in contact with the second surface of the electrode portion through the first opening of the sheet base material and attached to the electrode sheet in a state where the electrical contact is in contact with the electrode sheet.
A biological information measuring device equipped with.
The biometric information measuring device according to claim 17, wherein the electrode sheet and the measuring device are provided with a detachable mechanism for bringing the electrode portion and the electrical contact into contact with each other so as to be detachable.
A step of forming a plurality of electrode portions separated from each other on the surface of a sheet base material having a first opening and having an insulating property, which is a sheet base material to which a release film is attached. A step of forming a plurality of electrode portions at positions separated from each other in the outer edge of the sheet base material and at a position where a part of the first opening faces the first opening.
A step of forming an adhesive layer having the same outer size as the sheet base material, which is non-gel-like and has insulating properties, on the surface of the sheet base material. A step of forming an adhesive layer in such a manner that a space is provided between the outer edge of the layer and the outer edge of the electrode portion and the plurality of electrode portions are sandwiched between the sheet base material.
The step of peeling the release film from the sheet base material and
A method for manufacturing an electrode sheet.
A sheet base material to which a release film is attached, which has a first opening and has the same outer shape as the sheet base material on the surface of the sheet base material having an insulating property, and is non-gel-like. A step of forming an adhesive layer having an insulating property, which is a step of forming an adhesive layer having a second opening communicating with the first opening.
A step of forming a plurality of electrode portions in the outer edges of the sheet base material and the adhesive layer at positions separated from each other and partially facing the first opening and the second opening, wherein the adhesive is formed. A step of forming a plurality of electrode portions at both ends of the layer in such a manner that a space is provided between the outer edge of the adhesive layer and the outer edge of the electrode portion.
The step of peeling the release film from the sheet base material and
A method for manufacturing an electrode sheet.