JP2023131758A - Clothing for quadruped - Google Patents

Abstract

To provide clothing for quadrupeds capable of measuring more accurately biological information of quadrupeds.SOLUTION: There is provided clothing for quadrupeds having a right electrode and a left electrode contacting a body. In the clothing for quadrupeds, the right electrode is arranged on a right body, and the left electrode is arranged on a left body, and the right electrode and the left electrode are arranged on positions different in a dress length direction.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to clothing for a four-legged animal, and specifically relates to clothing that can measure biological information of a four-legged animal by being placed around the torso of the animal.

In recent years, clothing that can be worn by humans to measure biological information has attracted attention in the health monitoring, medical, medical, and rehabilitation fields. Furthermore, in recent years, there has been a need to measure the biological information of four-legged animals kept as pets or livestock, such as dogs, cats, and cows, in order to understand their health status.

Therefore, in Patent Document 1, the present inventors proposed a clothing for animals that includes at least a body-contact type electrode, a connector, an electrical wiring for connecting the electrode and the connector, and an electronic unit that is detachable from the connector. proposed clothing for measuring biological information. This biological information measurement clothing has the connector on the back side of the chest of the animal, the electrode and the electrical wiring can be placed at any position on the inner surface of the clothing at least in the back area of the chest, and the connector on the back side of the animal's chest. It has the function of removably fixing it in the position. Furthermore, the present inventors have proposed in Patent Document 2 an apparatus that includes an electrode that contacts the surface of a living body. This document states that biological information can be measured with high accuracy by providing electrodes on the thorax of clothing or the lower abdomen of the thorax. Furthermore, the present inventors have proposed clothing for measuring biological information for animals that has a body-contact type electrode in Patent Document 3. This document states that by placing body-contacting electrodes on the back of clothing, the electrodes are always in contact with the body even when the animal moves, making it possible to stably measure biological information. There is.

International Publication No. 2019/035420 JP 2019-217043 Publication International Publication No. 2020/261943

Although it has become possible to measure biological information using the techniques described in Patent Documents 1 to 3 previously proposed by the present inventors, there is a need to further improve measurement accuracy.

The present invention has been made in view of the above-mentioned circumstances, and its purpose is to provide clothing for four-legged animals that can measure the biological information of four-legged animals with even greater precision.

The present invention is as follows.
[1] Clothing for four-legged animals comprising a right electrode and a left electrode that come into contact with the body, wherein the right electrode is arranged on the right body, and the left electrode is arranged on the left body. , the right electrode and the left electrode are arranged at different positions in the length direction of clothing for four-legged animals.
[2] The clothing for four-legged animals according to [1], wherein the left electrode is arranged closer to the neck in the length direction than the right electrode.
[3] The clothing for a four-legged animal according to [1] or [2], wherein the left electrode is arranged within a range of 25 cm in the length direction from the forelimb of the four-legged animal.
[4] The clothing for a four-legged animal according to any one of [1] to [3], wherein a tightening member that tightens the torso of the four-legged animal is disposed on the outside when the clothing is worn by the four-legged animal.
[5] The clothing includes a front body that covers the abdomen of the four-legged animal, and a back body that covers the back of the four-legged animal, and the front body and the back body are connected via a connecting member. Clothing for four-legged animals according to any one of [1] to [4].
[6] The apparatus for four-legged animals according to [5], wherein a first connecting member is arranged on the neck side of the front body in the length direction, and/or a second connecting member is arranged on the neck side of the back body in the length direction. clothing.
[7] The method for a four-legged animal according to any one of [1] to [6], wherein the right electrode or the left electrode is arranged closer to the neck than the heart of the four-legged animal in the length direction. clothing.

The clothing for four-legged animals according to the present invention has a right electrode arranged on the right body of the clothing, a left electrode arranged on the left body of the clothing, and the right electrode and the left electrode arranged at different positions in the length direction. There is. As a result, the accuracy of measuring biological information is improved compared to when the right electrode and the left electrode are placed at the same position in the length direction.

FIG. 1 is a plan view of an embodiment of the clothing for four-legged animals according to the present invention, showing the surface that comes into contact with the body of the four-legged animal. FIG. 2 is a plan view of an embodiment of the clothing for four-legged animals according to the present invention, showing the surface (front surface) opposite to the surface that contacts the body of the four-legged animal. FIG. 3 is a schematic diagram showing a dog wearing the embodiment of the clothing for four-legged animals according to the present invention. FIG. 4 is a graph showing the results of measuring a dog's electrocardiogram. FIG. 5 is a graph showing the results of measuring a dog's electrocardiogram. FIG. 6 is a graph showing the results of measuring a dog's electrocardiogram. FIG. 7 is a graph showing the results of measuring a dog's electrocardiogram.

A clothing for a four-legged animal according to the present invention is a clothing for a four-limbed animal that is provided with a right electrode and a left electrode that contact the body, and the right electrode is arranged on the right body part, and the right electrode is arranged on the left body part of the clothing. The left electrode is arranged, and the right electrode and the left electrode are arranged at different positions in the length direction. By arranging the right electrode and the left electrode at different positions in the length direction, the measurement accuracy of biological information can be further improved than when the right electrode and the left electrode are arranged at the same position in the length direction.

The present invention will be specifically described below based on the embodiments, but the present invention is not limited by the embodiments, and may be implemented with modifications within the scope of the above and below spirit. Of course, these are also possible, and all of them are included within the technical scope of the present invention.

1 and 2 are plan views showing an embodiment of the clothing for four-legged animals according to the present invention, and FIG. 1 shows the surface that comes into contact with the body of four-legged animal A when the clothing is worn by four-legged animal A. 2 shows the surface (front surface, outer side) opposite to the surface that contacts the body of the four-legged animal A when the clothing is worn on the four-legged animal A. FIG. 3 is a schematic diagram showing a state in which a four-legged animal is wearing the clothing of the embodiment of the clothing for four-limbed animals according to the present invention, and in FIG. 3, a dog, which is a four-limbed animal A, is wearing the clothing. When making the four-legged animal A wear the clothing shown in FIGS. 1 and 2, the head of the four-legged animal A is inserted into the opening 81 shown in FIG. 1 from the front side toward the back side of the page. The right side of the back body 42 and the left side of the front body 41 are arranged on the butt side of the quadruped animal A with respect to the page.

As shown in FIG. 1, the clothing 1 for four-limbed animals of the present invention (hereinafter sometimes simply referred to as clothing 1) is equipped with electrodes that come into contact with the body, and the electrodes include at least a right electrode 11 and a left electrode 12. It is equipped with The right electrode 11 is an electrode that comes into contact with the right side of the body of the four-legged animal A, and the left electrode 12 is an electrode that comes into contact with the left side of the body of the four-legged animal A.

The right electrode 11 is placed on the right body 21 of the garment 1, and the left electrode 12 is placed on the left body 22 of the garment 1. The right electrode 11 and the left electrode 12 are connected by a wiring 13. It is preferable to attach a connector 14 to the connection position between the right electrode 11 and the left electrode 12 in order to connect the electrode and an electronic device, and in FIG. 2, a snap fastener is arranged as the connector 14.

As shown in FIG. 3, the right body 21 of the clothing 1 is the body that covers the right half of the body of the quadruped animal A when the clothing 1 is worn by the animal This is the body that covers the left side of the body of the four-legged animal A when the four-legged animal A wears the item 1.

The clothing 1 of the present invention is characterized in that the right electrode 11 and the left electrode 12 are arranged at different positions in the length direction x. In this specification, the length direction x of clothing 1 connects the position at the base of the neck of a quadruped animal and the position at the base of the tail of the quadruped animal when clothing 1 is placed on a flat surface. It means a direction, and is indicated by an arrow x in FIGS. 1 to 3. On the other hand, the direction perpendicular to the length direction x is defined as the body width direction y. In this specification, the body width direction y of the clothing 1 means a direction perpendicular to the length direction x of the clothing 1 when the clothing 1 is placed on a flat surface. The body width direction y is indicated by an arrow y in FIGS. 1 and 2.

The position where the right electrode 11 (left electrode 12) is arranged means the center of gravity position 11a (12a) on the electrode surface of the right electrode 11 (left electrode 12).

The different positions in the clothing length direction x are a straight line 11b drawn perpendicularly to the clothing length direction A straight line 12b passing through the position where the electrode 12 is arranged (i.e., the center of gravity position 12a of the left electrode 12) and drawn perpendicularly to the length direction x of the clothing 1 coincides with the length direction x of the clothing 1. This means that the distance z between the straight line 11b and the straight line 12b exceeds zero. By arranging the right electrode 11 and the left electrode 12 at different positions in the length direction x, the signal when measuring biological information is better than when the right electrode 11 and the left electrode 12 are arranged at the same position in the length direction x. The strength can be increased, and the measurement accuracy of biological information can be improved.

The distance z between the right electrode 11 and the left electrode 12 may be adjusted depending on the body shape and heart size of the quadruped animal A on which the clothing 1 is to be worn. When the four-legged animal A is a dog, for example, the length is preferably 1 cm or more, more preferably 1.5 cm or more, still more preferably 2 cm or more, and preferably 7 cm or less, more preferably 6 cm or less, still more preferably 5 cm or less.

The right electrode 11 and the left electrode 12 may be placed at different positions in the length direction x of the garment 1, and the position where the left electrode 12 is placed is further away in the length direction than the right electrode 11, as shown in FIG. It may be arranged on the neck side with respect to x, or it may be arranged on the buttocks side with respect to the length direction It is more preferable to arrange it on the neck side. By arranging the left electrode 12 closer to the neck in the length direction x than the right electrode 11, the signal strength when measuring biological information can be increased, improving the accuracy of measuring biological information. be able to.

It is preferable that one of the right electrode 11 and the left electrode 12 be arranged closer to the neck than the heart of the quadruped animal in the length direction x. That is, the right electrode 11 and the left electrode 12 are preferably arranged at different positions in the length direction x, and are arranged at positions sandwiching the heart of the quadruped animal. This improves the S/N ratio and improves the measurement accuracy of the RR interval, so it is possible to improve the measurement accuracy of biological information.

The left electrode 12 is preferably placed within a range of 25 cm in the length direction x from the forelimbs of the four-legged animal A when the clothing is worn by the four-legged animal A. By arranging it within a range of 25 cm, the signal strength when measuring biological information can be increased, and the accuracy of measuring biological information can be improved. The left electrode 12 is more preferably arranged within a range of 20 cm in the length direction x from the forelimbs of the four-legged animal A when the clothing is worn by the four-legged animal A, and still more preferably within a range of 15 cm. On the other hand, the left electrode 12 is preferably arranged in a range of 1 cm or more in the length direction x from the forelimbs of the quadruped animal A when the clothing is worn by the quadruped animal A, more preferably 2 cm or more, still more preferably is 3 cm or more. Note that the above range means the distance from the base of the front limb of the quadruped animal A.

As shown in FIG. 2, it is preferable that the clothing 1 has a tightening member 31 arranged on the outside (front side) when the clothing 1 is worn by the four-limbed animal A to tighten the torso of the four-limbed animal A. By arranging the tightening member 31, it is possible to increase the adhesion between the electrode and the skin of the quadruped animal A, thereby increasing the signal strength when measuring biological information, and improving the accuracy of measuring biological information. can be done.

The tightening member 31 disposed on the outside of the garment 1 may have an elongated shape. Although the tightening member 31 does not have to be elastic, it is preferable that it is elastic. Since the tightening member 31 has elasticity, even if the four-legged animal A changes its body position, the electrodes formed on the clothing can remain in close contact with the body. As the elastic tightening member 31, for example, a rubber cord can be used, and flat rubber can be particularly preferably used.

It is preferable that both ends 31a and 31b of the tightening member 31 are configured so that they can be connected to each other. Preferably, both ends 31a and 31b of the tightening member 31 are provided with a hook-and-loop fastener such as Velcro tape (registered trademark) or Free Velcro tape (registered trademark), a button, a hook, an adhesive tape, a buckle, or the like. . In FIGS. 1 to 3, resin buckles are arranged at both ends 31a and 31b of the tightening member 31.

It is preferable that the tightening member 31 is disposed on the surface (front surface) of the clothing 1 opposite to the skin-side surface when the clothing 1 is worn by a quadruped animal. The tightening member 31 may be fixed to the front surface of the clothing 1, may be non-fixed to the front surface of the clothing 1, or may be detachable from the front surface of the clothing 1. It may be configured as follows. By being configured to be detachable from the front surface of the garment 1, the tightening member 31 can be removed from the garment 1 and only the garment 1 can be washed or replaced, or only the tightening member 31 can be washed or replaced. When configuring the fastening member 31 to be detachable from the front surface of the clothing 1, for example, a hook and loop fastener such as Velcro (registered trademark) or Free Velcro (registered trademark), a button, a hook, etc. is used. be able to.

Note that the tightening member 31 may be arranged on the skin-side surface of the clothing 1 when the clothing 1 is worn by a four-legged animal, but in this case, the tightening member 31 may be fixed to the skin-side surface of the clothing 1. , it is preferable that it is configured to be detachable from the skin-side surface of clothing 1.

In the clothing 1, the front body 41 and the back body 42 may be made of continuous fabric, or the front body 41 and the back body 42 may be connected via a connecting member. When the front body 41 and the back body 42 of the clothing 1 are made of continuous fabric, it is necessary to provide an opening 81 large enough to insert the head of the quadruped animal A.

In a configuration in which the front body 41 and the back body 42 of the clothing 1 are connected via a connecting member, the first connecting member is provided on the neck side of the front body 41 in the length direction x, and/or the first connecting member is attached to the neck side of the front body 41 in the length direction Preferably, the second connecting member is disposed on the neck side. By connecting the front body 41 and the back body 42 of the clothing 1 via a connecting member, the size of the opening 81 can be adjusted according to the neck thickness of the quadruped animal A, so that the electrodes and the skin of the quadruped animal A can be adjusted. Since it is possible to increase the adhesion with the biological information, the signal strength when measuring biological information can be increased, and the accuracy of measuring biological information can be improved. Further, it is possible to prevent the neck of the four-legged animal A from being excessively tightened and causing discomfort to the four-legged animal A. In the clothing 1 shown in FIGS. 1 to 3, band parts 41a and 41b continuous to the front body 41 are arranged as first connecting members on the neck side (right side in the paper) of the front body 41 in the length direction x. As shown in FIGS. 2 and 3, on the neck side (on the left side in the drawing) of the back body 42 in the length direction x, the legs 51a and 51b are arranged as second connecting members. Hereinafter, the area connecting the front body 41 and the back body 42 may be referred to as a connection part 91.

In FIG. 2, an example is shown in which the front body 41 and the back body 42 are connected around the neck of the garment 1 using two connecting members (i.e., connecting members 51a, 51b), but the number of connecting members is two. For example, the number of connecting members may be one, and the connecting position on the side where no connecting member is arranged may be directly connected by sewing the front body 41 and the back body 42. .

In a configuration in which the front body 41 and the back body 42 of the clothing 1 are connected via a connecting member, the third connecting member is disposed on the surface of the front body 41 that comes into contact with the body of the quadruped animal A, and the The fourth connecting member may be disposed on the surface opposite to the surface that contacts the body of the animal A (front surface). For example, as shown in FIG. 1, the third connecting member 41c is disposed at the right end of the right body 21 in the front body 41, and the third connecting member 41d is disposed at the left end of the left body 22 in the front body 41. 2, the fourth connecting member 51c is arranged at the right end of the right body 21 in the back body 42, the fourth connecting member 51d is arranged at the left end of the left body 22 in the back body 42, and the third connecting member 41c and the fourth connecting member 51c, and the third connecting member 41d and the fourth connecting member 51d may be connected, respectively. By connecting the third connecting member 41c and the fourth connecting member 51c, and the third connecting member 41d and the fourth connecting member 51d, it is possible to connect the front body 41 and the back body 42, and also to adapt to the body shape of the quadruped animal A. Since the right electrode 11 and the left electrode 12 can be brought into close contact with the body of the quadruped animal A, the signal strength when measuring biological information can be increased, and the measurement of biological information can be Accuracy can be improved.

As the first to fourth connecting members, for example, hook-and-loop fasteners such as Velcro tape (registered trademark) and Free Velcro tape (registered trademark), buttons, hooks, fasteners, strips, band-like members, strings, etc. can be used.

Examples of materials for the body fabric of clothing include knitted fabrics, woven fabrics, nonwoven fabrics, and the like. Among these, knitted fabrics are preferred because they have excellent elasticity. Examples of knitted fabrics include weft knitted fabrics and warp knitted fabrics. Note that weft knitted fabrics also include circular knitted fabrics. Weft knitting (circular knitting) includes, for example, jersey knitting (flat knitting), bare jersey knitting, welted jersey knitting, milling knitting (rubber knitting), purl knitting, single bag knitting, smooth knitting, tuck knitting, floating knitting, and single knitting. Examples include hem stitch, lace stitch, and attached hair stitch. Warp knits include, for example, single denby knit, open denby knit, single atlas knit, double cord knit, half knit, half base knit, satin knit, single tricot knit, double tricot knit, half tricot knit, single raschel knit, Examples include double Russell edition and jacquard edition. Examples of the woven fabric include woven fabrics formed of plain weave, twill weave, satin weave, and the like. Further, the woven fabric is not limited to a single-layered woven fabric, and may be a multiple-layered woven fabric such as a double-layered woven fabric or a triple-layered woven fabric. In addition, the fabric of the body may be formed into a mesh shape.

The knitted fabric and woven fabric preferably contain at least one type of fiber selected from the group consisting of natural fibers, synthetic fibers, recycled fibers, and semi-synthetic fibers. Examples of natural fibers include cotton, linen, wool, and silk. Among these, cotton is preferred. Including cotton improves hygroscopicity, water absorption, heat retention, etc. Note that the natural fibers may be used as they are, or may be subjected to post-processing such as hydrophilic treatment or antifouling treatment. Examples of synthetic fibers include acrylic; polyesters such as polyethylene terephthalate, polyethylene naphthalate, polybutylene terephthalate, polytrimethylene terephthalate, polyethylene isophthalate, polylactic acid, and polyacrylate; polyamides such as nylon 6 and nylon 66; It will be done. Examples of recycled fibers include rayon such as modal, cupro, polynosic, and lyocell. Examples of semi-synthetic fibers include acetate, triacetate, and the like. These may be used alone or in combination of two or more.

The thickness of the clothing fabric is not particularly limited, but is preferably 1 mm to 10 mm, for example.

The electrode (1) includes an insulating layer formed on the skin side of the clothing and a conductive layer formed on the insulating layer, or (2) is made of conductive tissue. In addition, it is preferable that at least one of the conductive tissues has an elongation rate of 3% or more and 60% or less when a load of 14.7N is applied in the length direction or width direction. Preferably, the electrode has stretchability.

(1) Electrode including an insulating layer and a conductive layer The insulating layer may be made of, for example, a resin having insulating properties. The type of resin is not particularly limited as long as it has insulation properties, but for example, polyurethane resins, silicone resins, vinyl chloride resins, epoxy resins, polyester elastomers, etc. can be preferably used. Among these, polyurethane resins are more preferable and have excellent adhesiveness with the conductive layer. These resins may be used alone or in combination of two or more.

The method for forming the insulating layer is not particularly limited, but for example, a resin having insulating properties is dissolved or dispersed in a solvent (preferably water) and applied or printed on release paper or a release sheet to form a coating film. It can be formed by forming a coating film, volatilizing the solvent contained in the coating film, and drying it. Moreover, a commercially available resin sheet or resin film can also be used instead of the release paper or sheet. The average thickness of the insulating layer is preferably, for example, 10 to 200 μm.

The conductive layer formed on the insulating layer is a layer for ensuring conduction. The conductive layer preferably contains a resin and a conductive filler.

The resin contained in the conductive layer preferably has elasticity, and preferably has an elastic modulus of 1 to 1000 MPa. The range of elastic modulus is more preferably 3 to 600 MPa, still more preferably 10 to 500 MPa, and particularly preferably 30 to 300 MPa. Examples of the resin contained in the conductive layer include rubber (eg, natural rubber, synthetic rubber), thermoplastic resin, thermosetting resin, and the like. Among these, synthetic rubber, urethane resin, etc. can be preferably used in order to develop elasticity of the membrane.

(synthetic rubber)
Examples of synthetic rubber include urethane rubber, acrylic rubber, silicone rubber, butadiene rubber, nitrile group-containing rubber (such as nitrile rubber and hydrogenated nitrile rubber), isoprene rubber, sulfurized rubber, styrene-butadiene rubber, butyl rubber, and chloroprene rubber. , chlorosulfonated polyethylene rubber, ethylene propylene rubber, vinylidene fluoride copolymer, and the like. Among these, nitrile group-containing rubber, chloroprene rubber, and chlorosulfonated polyethylene rubber are preferred, and nitrile group-containing rubber is particularly preferred.

The nitrile group-containing rubber is not particularly limited as long as it is a rubber or elastomer containing a nitrile group, but nitrile rubber and hydrogenated nitrile rubber are preferred. Nitrile rubber is a copolymer of butadiene and acrylonitrile, and when the amount of bonded acrylonitrile is large, affinity with metal increases, but rubber elasticity, which contributes to stretchability, decreases. The amount of bound acrylonitrile in the acrylonitrile-butadiene copolymer rubber is preferably 18 to 50% by weight, particularly preferably 40 to 50% by weight.

Synthetic rubber is generally obtained as a resin by coagulating latex polymerized in an aqueous polymerization process by a method such as salting out, washing, dehydrating and drying. Here, water-based polymerization is a general term for emulsion polymerization, suspension polymerization, dispersion polymerization, etc. Emulsion polymerization is widely used industrially as a standard method for producing synthetic rubber. Academically, emulsion polymerization, suspension polymerization, and dispersion polymerization are distinguished depending on the type of emulsifier, type of polymerization initiator, type of monomer, etc., but in industrial processes, in terms of production efficiency, It is required to maintain a high proportion of solutes, making it difficult to strictly classify emulsion polymerization, suspension polymerization, and dispersion polymerization. In any case, in aqueous polymerization, surfactants, polymerization initiators, polymerization initiators with surfactant ability, chain transfer agents, etc. are used, but these auxiliaries and process materials often contain elemental sulfur.

In the clothing of the present invention, it is preferable to use a synthetic rubber obtained using an auxiliary agent and a process material with a low content of sulfur element, and a synthetic rubber obtained using an auxiliary agent and a process material that does not contain sulfur element. It is preferable to use Specifically, as an emulsifier or dispersant, a surfactant containing a sulfonate group is not used, but a surfactant containing a carboxylate group or a phosphate group, preferably a fatty acid alkali metal salt, It is preferable to use synthetic rubber obtained by using fatty acid amine salts, alkyl ether phosphate alkali metal salts, polyacrylates, polymethacrylates, derivatives thereof, etc. as emulsifiers and dispersants. As a chain transfer agent, do not use thiol compounds; secondary alcohols such as isopropyl alcohol; phosphorous acid, hypophosphorous acid and its salts (sodium hypophosphite, potassium hypophosphite, etc.); α-methyl It is preferable to use synthetic rubber obtained using styrene dimer; carbon tetrachloride; etc. When using highly water-soluble sulfurous acid, sulfite, etc., the content of sulfur element can be reduced by sufficiently washing with water, so their combination is acceptable.

(Urethane resin)
As the urethane resin, it is preferable to use one obtained by reacting a soft segment made of a polyether polyol, a polyester polyol, a polycarbonate polyol, or the like with a hard segment made of a diisocyanate or the like. As a component of the soft segment, polyester polyol is more preferable from the viewpoint of flexibility in molecular design.

Examples of polyether polyols include polyethylene glycol, polypropylene glycol, polypropylene triol, polypropylene tetraol, polytetramethylene glycol, polytetramethylene triol, and those obtained by copolymerizing monomer materials such as cyclic ethers for synthesizing these. It is possible to use polyalkylene glycols such as copolymers, derivatives and modified products obtained by introducing side chains or branched structures into these, and mixtures thereof. Among these, polytetramethylene glycol is preferred. Mechanical properties are improved by using polytetramethylene glycol.

As the polyester polyol, for example, aromatic polyester polyol, aliphatic polyester polyol, aromatic/aliphatic copolymer polyester polyol, alicyclic polyester polyol, etc. can be used. Among these, it is preferable to use aliphatic polyester polyols. Commercially available products can also be used as the aliphatic polyester polyol. Specific examples of commercial products include Polylite ODX-688, ODX-2044, ODX-240 (manufactured by DIC), Kuraray Polyol P-2010, P-2050, P-1010 (Kuraray), Teslac 2461, 2455, 2469 (manufactured by Hitachi Chemical) and the like. The polyester polyol may be either a saturated type or an unsaturated type.

As the polycarbonate polyol, for example, polycarbonate diol can be used. As the polycarbonate diol, commercially available products can be used, such as the Kuraray Polyol C series manufactured by Kuraray Co., Ltd. and the Duranol series manufactured by Asahi Kasei Chemicals Co., Ltd., and the like. Specifically, Kuraray Polyol C-1015N, Kuraray Polyol C-1065N, Kuraray Polyol C-2015N, Kuraray Polyol C2065N, Kuraray Polyol C-1050, Kuraray Polyol C-1090, Kuraray Polyol C-2050, Kuraray Polyol C-2090. , DURANOL-T5650E, DURANOL-T5651, DURANOL-T5652, etc.

Examples of the diisocyanate include 2,4-tolylene diisocyanate, 2,6-tolylene diisocyanate, p-phenylene diisocyanate, 4,4'-diphenylmethane diisocyanate, m-phenylene diisocyanate, 3,3'-dimethoxy-4,4 '-Biphenylene diisocyanate, 2,6-naphthalene diisocyanate, 3,3'-dimethyl-4,4'-biphenylene diisocyanate, 4,4'-diphenylene diisocyanate, 4,4'-diisocyanate diphenyl ether, 1,5-naphthalene diisocyanate , aromatic diisocyanates such as m-xylylene diisocyanate, aliphatic and alicyclic diisocyanates such as 1,6-hexane diisocyanate, isophorone diisocyanate, and hydrogenated xylylene diisocyanate (ortho, meta, para). Among these, 2,4-tolylene diisocyanate, 2,6-tolylene diisocyanate, 4,4'-diphenylmethane diisocyanate, and isophorone diisocyanate are preferred. Further, if necessary, isocyanate or trifunctional or higher functional polyisocyanate may be used in combination.

The urethane resin may be copolymerized with a diol compound generally called a chain extender, if necessary. Examples of diol compounds include ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol, tripropylene glycol, 1,3-propanediol, 2-methyl-1,3-propanediol, 2-methyl-2 -Propyl-1,3-propanediol, 2-butyl-2-ethyl-1,3-propanediol, 2-butyl-2-hexyl-1,3-propanediol, 1,2-butanediol, 1,3 -Butanediol, 1,4-butanediol, 2,3-butanediol, 1,5-pentanediol, 2-methyl-2,4-pentanediol, 3-methyl-1,5-pentanediol, 2,2 , 4-trimethyl-1,3-pentanediol, neopentyl glycol, 1,6-hexanediol, 2-ethyl-1,3-hexanediol, 2,5-dimethyl-2,5-hexanediol, 1,8 Aliphatic glycols such as -octanediol, 2-methyl-1,8-octanediol and 1,9-nonanediol can be mentioned. As the chain extender, for example, low molecular weight triols such as trimethylolpropane and triethanolamine, diamine compounds such as diethylamine and 4,4'-diaminodiphenylmethane, or trimethylolpropane can also be used. Among these, 1,6-hexanediol is preferred.

The glass transition temperature of the urethane resin is preferably 0°C or lower, more preferably -10°C or lower, even more preferably -20°C or lower. When the glass transition temperature exceeds 0° C., the elongation of the produced conductive coating film becomes small, and there is a possibility that the increase in resistance during elongation becomes poor. The glass transition temperature is preferably -60°C or higher. If the glass transition temperature is less than -60°C, there is a risk that the produced conductive coating will cause blocking. The glass transition temperature is more preferably -50°C or higher.

The reduced viscosity of the urethane resin is preferably 0.2 dl/g or more and 3.0 dl/g or less, more preferably 0.3 dl/g or more and 2.5 dl/g or less, and even more preferably 0.4 dl/g or more and 2.0 dl or less. /g or less. If the reduced viscosity is less than 0.2 dl/g, the conductive coating film may become brittle and the increase in resistance during elongation may be poor. When the reduced viscosity exceeds 3.0 dl/g, the solution viscosity of the urethane resin composition may become high and handling may become difficult.

When producing a urethane resin, stannous octylate, dibutyltin dilaurylate, triethylamine, bismuth metal, etc. may be used as a catalyst.

Examples of the conductive filler contained in the conductive layer include conductive particles and carbon-based fillers.

The conductive particles preferably have a specific resistance of 1×10 ⁻¹ Ωcm or less. Examples of the substance having a specific resistance of 1×10 ⁻¹ Ωcm or less include metals, alloys, carbon, doped semiconductors, and conductive polymers.

Specifically, the conductive particles include noble metal particles such as silver, gold, platinum, and palladium; base metal particles such as copper, nickel, aluminum, zinc, lead, and tin; brass, bronze, cupronickel, and solder. hybrid particles such as silver-coated copper; metal-plated polymer particles; metal-plated glass particles; metal-coated ceramic particles; and the like.

As the conductive particles, it is preferable to mainly use flaky silver powder or agglomerated silver powder. The term "mainly" means that the total amount of flaky silver powder and agglomerated silver powder is 90% by mass or more when the total amount of conductive particles is 100% by mass. Agglomerated silver powder is a three-dimensional agglomeration of spherical or irregularly shaped primary particles. Flake-like silver powder and agglomerated silver powder are preferable because they have a larger specific surface area than spherical powder and the like and can form a conductive network even with a low filling amount. Agglomerated silver powder is more preferred because it is not in a monodisperse form and particles are in physical contact with each other, making it easier to form a conductive network.

Although the particle size of the flaky silver powder is not particularly limited, it is preferable that the average particle size (50% D) measured by a dynamic light scattering method is 100 μm or less. The average particle diameter (50% D) of the flaky silver powder is more preferably 20 μm or less, and even more preferably 12 μm or less. The lower limit of the average particle diameter (50%D) of the flaky silver powder is not particularly limited, but is preferably 0.5 μm or more, more preferably 3 μm or more, and even more preferably 5 μm or more.

The particle diameter of the agglomerated silver powder is not particularly limited, but it is preferable that the average particle diameter (50% D) measured by a light scattering method is 100 μm or less. The average particle diameter (50% D) of the agglomerated silver powder is more preferably 20 μm or less, and even more preferably 12 μm or less. The lower limit of the average particle diameter (50% D) of the agglomerated silver powder is not particularly limited, but is preferably 1 μm or more, more preferably 3 μm or more, and still more preferably 5 μm or more.

Examples of carbon-based fillers include graphite, Ketjen black, furnace black, single-walled or multi-walled carbon nanotubes, carbon nanocones, fullerenes, activated carbon powder, acetylene black, etc. and/or Ketjenblack is preferably used. These may be used alone or in combination of two or more. The graphite may be, for example, flaky graphite. The carbon-based filler preferably has a BET specific surface area of 700 m ² /g or more.

As the conductive filler contained in the conductive layer, either conductive particles or carbon-based filler may be used, or both conductive particles and carbon-based filler may be used. Furthermore, the number of conductive particles and carbon-based filler may be one, or two or more.

The conductive layer may contain non-conductive particles. Non-conductive particles are particles made of an organic or inorganic insulating substance. By blending non-conductive particles, it is possible to improve printing properties, stretch properties, and coating film surface properties.

As the non-conductive particles, for example, inorganic insulating particles such as barium sulfate, silica, titanium oxide, talc, and alumina, microgels made of resin materials, and the like can be used.

It is preferable to use barium sulfate particles as the non-conductive particles. As the barium sulfate particles, elutriated barium sulfate, which is a crushed product of a natural barite mineral called barite, or so-called precipitated barium sulfate, which is produced by a chemical reaction, can be used. Among these, it is preferable to use precipitated barium sulfate, and by using precipitated barium sulfate, it becomes easier to control the particle size.

The average particle diameter of barium sulfate particles determined by a dynamic light scattering method is, for example, preferably 0.01 to 18 μm, more preferably 0.05 to 8 μm, and even more preferably 0.2 to 3 μm.

The barium sulfate particles are preferably surface-treated with a hydroxide and/or oxide of one or both of Al and Si. Surface treatment with hydroxide and/or oxide of one or both of Al and Si increases dispersibility into the resin component, so when the resin part is deformed by external force, the need for resin deformation is reduced. When the external force is removed and the resin contracts, the resin tries to contract around the linchpin as a local center, so it restores itself to a shape closer to its state before expansion and contraction than when the linchpin does not exist. It becomes easier. Therefore, the occurrence of microcracks during the initial elongation deformation can be suppressed, and barium sulfate disperses the directionality of the microcracks, resulting in improved anisotropy. The amount of these substances deposited is preferably 0.5 to 50, more preferably 2 to 30 per 100 barium elements, as determined by X-ray fluorescence analysis.

The conductive layer can be formed using, for example, a composition (hereinafter sometimes referred to as conductive paste) in which each component is dissolved or dispersed in an organic solvent.

The amount of resin in the conductive layer (in other words, the solid content of the elastic resin in the total solid content of the conductive paste for forming the conductive layer) is preferably 5 to 50% by mass, more preferably 10 to 50% by mass. It is 40% by mass. On the other hand, the amount of the conductive filler in the conductive layer is preferably 50 to 95% by mass, more preferably 60 to 90% by mass. This makes it easier to achieve both conductivity and stretchability.

The conductive layer is formed directly on the insulating layer using a composition (conductive paste) in which each component is dissolved or dispersed in an organic solvent, or by coating or printing in a desired pattern to form a coating film. It can be formed by volatilizing the organic solvent contained in the coating film and drying it.

The organic solvent preferably has a boiling point of 100°C or more and less than 300°C, more preferably 130°C or more and less than 280°C. If the boiling point of the organic solvent is too low, there is a concern that the solvent will volatilize during the paste manufacturing process or during paste use, and the ratio of components constituting the conductive paste will change easily. On the other hand, if the boiling point of the organic solvent is too high, the amount of residual solvent in the dried and cured coating film will increase, which may cause a decrease in the reliability of the coating film.

Examples of organic solvents include cyclohexanone, toluene, xylene, isophorone, γ-butyrolactone, benzyl alcohol, Exxon Chemical's Solvesso 100, 150, 200, propylene glycol monomethyl ether acetate, terpionel, butyl glycol acetate, diamylbenzene, Triamylbenzene, n-dodecanol, diethylene glycol, ethylene glycol monoethyl ether acetate, diethylene glycol monoethyl ether acetate, diethylene glycol monobutyl ether acetate, diethylene glycol dibutyl ether, diethylene glycol monoacetate, triethylene glycol diacetate, triethylene glycol, triethylene glycol monomethyl Ether, triethylene glycol monoethyl ether, triethylene glycol monobutyl ether, tetraethylene glycol, tetraethylene glycol monobutyl ether, tripropylene glycol, tripropylene glycol monomethyl ether, 2,2,4-trimethyl-1,3-pentanediol mono Isobutyrate and the like can be used. In addition, petroleum-based hydrocarbons may be used, and examples of the petroleum-based hydrocarbons include AF Solvent No. 4 (boiling point: 240-265°C) and No. 5 (boiling point: 275-306°C) manufactured by Nippon Oil Co., Ltd. ℃), No. 6 (boiling point: 296-317°C), No. 7 (boiling point: 259-282°C), and No. 0 Solvent H (boiling point: 245-265°C). These solvents may be used alone or in combination of two or more. Such an organic solvent is appropriately contained so that the conductive paste has a viscosity suitable for coating or printing.

The conductive layer can be formed in advance into a sheet-like conductive layer by, for example, coating or printing a conductive paste on a release sheet or the like to form a coating film, volatilizing the organic solvent contained in the coating film, and drying it. may be formed in advance and laminated on the insulating layer in a desired pattern.

The dry average thickness of the conductive layer is, for example, preferably 10 to 150 μm, more preferably 20 to 130 μm, and still more preferably 30 to 100 μm. This makes it easier to achieve both durability and comfort.

The conductive layer may be a single layer or a multilayer of two or more layers. In the case of multiple layers, the resins contained in each conductive layer may be the same or different. Adjacent conductive layers preferably contain a common component. By containing common components, the adhesion between the conductive layers is improved.

When the conductive layer is a multilayer, it preferably includes at least a first stretchable conductor layer and a second stretchable conductor layer. A second stretchable conductor layer is used as a main conductor with high conductivity, and this second stretchable conductor layer is preferably attached to a fabric with a hot melt adhesive, and the first stretchable conductor layer is attached to the electrode surface side that contacts the human body. It is preferable that a stretchable conductor layer is provided as a protective layer for the second stretchable conductor layer.

The first stretchable conductor layer preferably contains a carbon-based filler as a conductive filler, and the second stretchable conductor layer preferably contains conductive particles as a conductive filler. In general, since a conductive layer containing a conductive filler is a composite material, it lacks microscopic homogeneity and tends to generate microvoids and internal paths that propagate through the filler surface. Therefore, when used in the surface layer of a multilayer structure, it is difficult to provide the inner layer with the function of blocking contaminants. However, because the first elastic conductor layer has predetermined physical properties and thickness, it protects the second elastic conductor layer from the expansion and contraction load during wearing and washing, and furthermore, the first elastic conductor layer Due to the adsorption performance of the carbon filler contained in the layer, it has the effect of shielding biologically derived salts, hydrogen sulfide, ammonia, etc. that affect the electrical properties of the conductive particles contained in the second stretchable conductor layer. do. The shielding effect due to such adsorption can be further enhanced by using a specific carbon-based filler that is preferably used. As a result, even if the sheet is repeatedly worn and washed, or even if it is left unwashed for a predetermined period of time after being worn, the sheet as a whole can be used repeatedly without losing its conductivity.

It is preferable to cover the conductive layer with an insulating layer except for exposed parts such as the parts (electrodes) that come into contact with the body of the quadruped animal and the connecting parts of the connectors. Such an insulating layer is hereinafter referred to as a second insulating layer. By disposing the second insulating layer, it is possible to prevent moisture such as rain, snow, sweat, etc. from coming into contact with the conductive layer.

As for the resin constituting the second insulating layer, the description of the resin constituting the insulating layer (hereinafter referred to as the first insulating layer) formed on the skin-side surface of the clothing mentioned above can be referred to.

The resin constituting the second insulating layer may be the same as or different from the resin constituting the first insulating layer, but it is preferable that they be the same. By using the same resin, it is possible to reduce damage to the conductive layer due to uneven stress when the conductive layer and the insulating layer expand and contract. The method for forming the second insulating layer is not particularly limited, and it can be formed by the same method as the method for forming the first insulating layer. The average thickness of the second insulating layer is preferably, for example, 10 to 200 μm.

(2) Electrode made of conductive tissue The conductive tissue preferably has an elongation rate of at least 3% or more and 60% or less when a load of 14.7N is applied in the length direction or body width direction. . When the elongation rate is 3% or more, the electrodes can easily follow the movement of clothing, and the electrodes are less likely to peel off from the clothing. The elongation rate is more preferably 5% or more, and even more preferably 10% or more. On the other hand, when the elongation rate is 60% or less, it becomes easier to prevent the measurement accuracy of biological information from decreasing due to excessive elongation of the electrode. The elongation rate is more preferably 55% or less, and even more preferably 50% or less.

The elongation rate of the conductive tissue can be measured, for example, by taking a test piece of a predetermined size, attaching it to an Instron type tensile tester, and applying a load of 14.7 N at a speed of 300 mm/min.

Examples of electrodes made of conductive tissue include conductive fibers or conductive threads in which base fibers are coated with conductive polymers; fibers whose surfaces are coated with conductive metals such as silver, gold, copper, and nickel; Examples include woven fabrics, knitted fabrics, and nonwoven fabrics using conductive threads made of conductive metal fine wires; conductive yarns made by blending conductive metal fine wires with non-conductive fibers; and the like. As the electrode made of a conductive tissue, it is also possible to use a non-conductive fabric embroidered with the above-mentioned conductive thread.

Preferably, the clothing includes an electronic device having a function of calculating electrical signals acquired by the electrodes. By calculating and processing electrical signals acquired by electrodes in an electronic device, biological information such as electrocardiogram, heart rate, pulse rate, respiratory rate, blood pressure, body temperature, myoelectricity, sweating, etc. can be obtained. Among these, it is preferable to measure electrocardiogram.

Electrocardiogram measurement results are generally recorded as an electrocardiogram or electrocardiogram waveform in which time is plotted on the horizontal axis and potential difference is plotted on the vertical axis. The waveform that appears in the electrocardiogram and heartbeat waveform for each heartbeat is mainly composed of five typical waves: P wave, Q wave, R wave, S wave, and T wave.In addition, there are U waves, Furthermore, the period from the beginning of the Q wave to the end of the S wave is sometimes referred to as the QRS wave. In the present invention, unless otherwise noted, the QRS wave is also included in the R wave. Preferably, the clothing includes electrodes that can detect at least R waves among these waves. The R wave indicates the excitation of both the left and right ventricles, and is the wave with the largest potential difference. The time from the peak of an R wave to the peak of the next R wave is generally called the RR time (RRI), and using the formula (heart rate) = 60/(RR time (seconds)), it is calculated as the number of heartbeats per minute. Can calculate numbers. That is, by providing an electrode capable of detecting R waves and detecting R waves, the heart rate can be determined.

Preferably, the electronic device can be attached to and removed from clothing. For example, an electronic device can be attached to clothing via a connector such as a snap fastener by forming an electronic device connection part on the surface of the clothing opposite to the skin side (i.e., the front surface). preferable.

Preferably, the electronic device further includes a display means, a storage means, a communication means, a USB connector, and the like. The electronic device may further include a sensor that can measure environmental information such as temperature, humidity, and atmospheric pressure, a sensor that can measure position information using GPS, and the like.

It is also possible to measure pulse, respiration, exercise status, etc. by installing non-contact electrodes on the skin-side surface of clothing or the surface opposite to the skin-side surface and measuring body impedance changes. .

The clothing may take any form as long as it can be attached to the body of a four-legged animal, preferably one that covers at least the chest and abdomen, and more preferably one that covers at least the chest. Specific examples include clothes, belts, harnesses, etc.

Examples of tetrapods to be worn with clothing include amphibians such as salamanders and frogs, reptiles such as crocodiles, lizards, snakes, turtles, and iguanas, and mammals, and among these, mammals are preferred. Mammals other than humans include, for example, four-legged animals for livestock, four-legged animals for dairy farming, four-legged animals for pets, and specifically, cows, sheep, horses, pigs, dogs, cats, etc. Can be mentioned. In particular, it is preferable for dogs and cats to wear it.

Dogs were made to wear clothing for measuring biological information, and their electrocardiograms were measured. The clothes worn by the dogs are as follows.

(Clothing 1)
The form of clothing 1 was as shown in FIGS. 1 and 2, except that the positions where the right electrode and left electrode contacted the dog's body were changed. FIG. 4 shows a schematic diagram showing the positions where the right electrode and the left electrode contact the dog's body when the dog wears the clothing 1, and the electrocardiogram results measured when the dog wears the clothing 1. . The right electrode and left electrode were formed using the following procedure. Note that the conditions for forming the electrodes are the same for clothing 2 described below.

[Manufacture of conductive paste]
By dissolving the resin component in half the amount of solvent, adding conductive particles, non-conductive particles if necessary, and the remaining amount of solvent to the resulting resin solution, mixing uniformly, and then dispersing in a three-roll mill. It was made into a conductive paste. Two types of conductive paste were manufactured. The first conductive paste contained 300 parts by mass of isophorone as a solvent, 65 parts by mass of acrylonitrile butadiene rubber "Nipole DN003" manufactured by Zeon Corporation as a resin component, and graphite manufactured by Lion Specialty Chemicals Co., Ltd. as a conductive particle. 4 parts by mass of powder "Ketjen Black EC300J" (BET specific surface area is 800 m ² /g), 31 parts by mass of flaky graphite "Graphite BF" manufactured by Chuetsu Graphite Industries Co., Ltd. (average particle diameter is 5 μm), It was prepared using The second conductive paste was made of 45 parts by mass of isophorone as a solvent, 15 parts by mass of acrylonitrile butadiene rubber "Nipole DN003" manufactured by Nippon Zeon Co., Ltd. as a resin component, and "agglomerated silver powder G" manufactured by DOWA Electronics Co., Ltd. as a conductive particle. -35'' (average particle size: 6.0 μm) and 2 parts by weight of barium sulfate as non-conductive particles.

[Manufacture of stretchable conductor sheet]
The first conductive paste was applied to a release PET film having a thickness of 75 μm using an applicator so that the dry film thickness was 50 μm, and then dried and hardened to form a first conductive layer. Next, a second conductive paste was similarly applied on the first conductive layer, and dried and cured to form a second conductive layer with a thickness of 40 μm, thereby obtaining a multilayer stretchable conductor. Ta. A polyurethane hot melt film "Eceran SHM104-PUR (with separate sheet)" manufactured by NT W Inc. was laminated on the second conductive layer surface of the obtained stretchable conductor, and a roll laminating machine was used in which the rubber roll temperature was adjusted to 120°C. A stretchable conductive sheet with adhesive properties was obtained.

[Mold cutting and adhesion to fabric]
The obtained stretchable conductive sheet was set in a die cutting machine, and die-cutted from the polyurethane hot melt film separate sheet side using a Thomson blade. The form of the die-cut stretchable conductive sheet was a band with a length of 11.8 cm and a width of 1.2 cm, and one end had an elliptical shape with a long side of 4.2 cm and a short side of 3.4 cm. The long sides of the elliptical shape are in the longitudinal direction of the strip, and the short sides of the ellipse are in the width direction of the strip. The penetration depth of the Thomson blade was set to the polyurethane hot melt film, the second conductive layer, and the first conductive layer, leaving the release PET film unpunched.

Next, from the die-cut stretchable conductive sheet, the portion other than the band-shaped part having an oval shape at one end was peeled off and removed. Next, the separate sheet of polyurethane hot melt film was peeled off. On the surface from which the separate sheet was peeled off (i.e., the surface of the polyurethane hot melt film), there was a strip with a length of 12 cm and a width of 1.6 cm, with one end exhibiting an oval shape with a long side of 4.4 cm and a short side of 3.8 cm. The urethane sheet and the second polyurethane hot melt film were laminated in this order, and laminated using a hot press under conditions of a pressure of 0.5 kgf/cm ² , a temperature of 130° C., and a press time of 20 seconds. Here, the polyurethane hot melt film, the urethane sheet, and the second polyurethane hot melt film correspond to the above-mentioned first insulating layer.

Next, the release PET film was peeled off, and a urethane sheet and a third polyurethane hot melt film were laminated in this order so as to cover part of the surface of the first conductive layer. The shape of the urethane sheet and the third polyurethane hot melt film was a belt with a length of 10 to 12 cm and a width of 1.6 cm. The urethane sheet and the third polyurethane hot melt film were laminated starting from a portion 2 cm away from the non-elliptical end to produce a stretchable electrode and wiring parts. The compositions of the urethane sheet and the third polyurethane hot melt film are the same as those of the urethane sheet and the second polyurethane hot melt film used to form the first insulating layer. Here, the urethane sheet and the third polyurethane hot melt film correspond to the second insulating layer described above.

The shape of the produced stretchable electrode and wiring parts was a band shape with a length of 12 cm and a width of 1.6 cm, and one end had an elliptical shape with a long side of 4.4 cm and a short side of 3.8 cm.

In the fabricated stretchable electrode and wiring parts, the electrode part, the insulating part, and the device connection part are arranged in this order in the longitudinal direction from the elliptical side. The electrode part has a laminated structure of first insulating layer/second conductive layer/first conductive layer, and the elliptical first conductive layer is exposed. The insulating section has a laminated structure of first insulating layer/second conductive layer/first conductive layer/second insulating layer. The device connection portion has a laminated structure of first insulating layer/second conductive layer/first conductive layer, and the first conductive layer having a length of 2 cm and a width of 1.6 cm is exposed.

Next, the elastic electrode and two wiring parts are pasted on the inside of the clothing, that is, at a predetermined position on the side where the electrode surface contacts the skin of the test animal, to provide the electrodes shown in FIGS. 1 and 2. Clothes were made. The number of electrodes provided on the back body was two, the total area of the electrode surfaces of the two electrodes was 22 cm ² , and the dry average film thickness of the electrodes was 340 μm.

In clothing 1, the position of the left electrode in the length direction x is the position e shown in FIG. 4, and the position of the right electrode in the length direction x is lower than the position of the left electrode in the length direction x, as shown in FIG. Position a is on the neck side with respect to the length direction x; position b is the same as the position of the left electrode in the length direction x; position b is closer to the buttocks in the length direction x than the position of the left electrode in the length direction x. c. The distance between electrode a and electrode b was 2.5 cm, and the distance between electrode b and electrode c was 2.5 cm.

For Clothing 1, the RR interval in daily life was measured using an electronic unit WHS-1 (manufactured by Union Tool Co., Ltd.).

The dog wearing Clothing 1 was a small dog, the specific breed was Jack Russell Terrier, and the weight was 5 kg. The heart position of the dog wearing Clothing 1 was 3 to 8 cm from the dog's forelimbs in the length direction x. In clothing 1, position a where the right electrode is placed is 6.5 to 7.5 cm from the dog's forelimbs in the length direction x, position e where the left electrode is placed, and position a where the right electrode is placed. Position b is located 9 to 10 cm from the dog's forelimbs in the length direction x, and position c, where the right electrode is located, is 11.5 to 12.5 cm from the dog's forelimbs in the length direction x. there were. The distance from the dog's forelimb to the electrode was defined as the distance from the front of the dog's forelimb to the center of the electrode.

In Figure 4, the results of measurements with the left electrode placed at position e and the right electrode placed at position a are shown as ea, and the results obtained by placing the left electrode at position e and the right electrode at position b are shown as ea. The measured results are shown as eb, and the results measured with the left electrode placed at position e and the right electrode placed at position c are shown as ec. The vertical axis shows the RR interval (nm), and the horizontal axis shows the measurement time (the same applies hereinafter).

As is clear from Fig. 4, when the right electrode and the left electrode were placed at the same position in the length direction x (e-b), the maximum value on the vertical axis was 2700; When the electrodes are placed at different positions in the length direction x (ea), the maximum value on the vertical axis is 2800, indicating that the electrocardiogram signal intensity can be greater in ea.

(Clothing 2)
The form of clothing 2 was as shown in FIGS. 1 and 2, except that the positions where the right electrode and left electrode contacted the dog's body were changed. FIG. 5 shows a schematic diagram showing the positions where the right electrode and the left electrode contact the dog's body when the dog wears the clothing 2, and the electrocardiogram results measured when the dog wears the clothing 2. .

In clothing 2, the position of the right electrode in the length direction x is position b shown in FIG. 5, and the position of the left electrode in the length direction x is lower than the position of the right electrode in the length direction x, as shown in FIG. A position d that is on the neck side with respect to the dress length direction x, a position e that is the same as the position of the right electrode in the dress length direction It was set as f. The distance between electrode d and electrode e was 2.5 cm, and the distance between electrode e and electrode f was 2.5 cm.

For Clothing 2, the RR interval in daily life was measured using an electronic unit WHS-1 (manufactured by Union Tools).

The dog wearing Clothing 2 was a small dog, the specific breed was a dachshund, and the weight was 5 kg. The heart position of the dog wearing Clothing 2 was 3 to 8 cm from the dog's forelimbs in the length direction x. In clothing 2, position d where the left electrode is placed is 6.5 to 7.5 cm from the dog's forelimbs in the length direction x, position e where the left electrode is placed, and position e where the right electrode is placed. Position b is located 9 to 10 cm from the dog's forelimbs in the length direction x, and position f, where the left electrode is located, is 11.5 to 12.5 cm from the dog's forelimbs in the length direction x. there were.

In Figure 5, the results of measurements with the left electrode placed at position d and the right electrode placed at position b are shown as d-b, and the results obtained by placing the left electrode at position e and the right electrode at position b are shown as d-b. The measured results are shown as eb, and the results measured with the left electrode placed at position f and the right electrode placed at position b are shown as fb.

As is clear from Fig. 5, when the right electrode and the left electrode were placed at the same position in the length direction x (e-b), the maximum value on the vertical axis was 2400; When the electrodes are placed at different positions in the length direction x (db), the maximum value on the vertical axis is 2800, indicating that the electrocardiogram signal intensity can be greater in db.

(Clothing 3)
The form of the clothing 3 was as shown in FIGS. 1 and 2, except that the positions where the right electrode and the left electrode contacted the dog's body were changed. FIG. 6 shows a schematic diagram showing the positions where the right electrode and the left electrode contact the dog's body when the clothing 3 is worn on the dog, and the electrocardiogram results measured when the dog wears the clothing 3. .

The right electrode and left electrode were formed using the following procedure. Note that the conditions for forming the electrodes are the same for clothing 4 described below.

The conductive paste used to form the stretchable conductive sheet was the same as the conductive paste used in Clothing 1, and the adhesive stretchable conductor sheet was manufactured under the same conditions as Clothing 1.

[Mold cutting and adhesion to fabric]
The obtained stretchable conductive sheet was set in a die cutting machine, and die-cutted from the polyurethane hot melt film separate sheet side using a Thomson blade. The form of the die-cut stretchable conductor sheet was a band with a length of 13.8 cm and a width of 1.2 cm, and one end had an elliptical shape with a long side of 4.2 cm and a short side of 3.4 cm. The long sides of the elliptical shape are in the longitudinal direction of the strip, and the short sides of the ellipse are in the width direction of the strip. The penetration depth of the Thomson blade was set to the polyurethane hot melt film, the second conductive layer, and the first conductive layer, leaving the release PET film unpunched.

Next, from the die-cut stretchable conductive sheet, the portion other than the band-shaped part having an oval shape at one end was peeled off and removed. Next, the separate sheet of polyurethane hot melt film was peeled off. On the surface from which the separate sheet was peeled off (i.e., the surface of the polyurethane hot melt film), there was a strip with a length of 14 cm and a width of 1.6 cm, with one end exhibiting an oval shape with a long side of 4.4 cm and a short side of 3.8 cm. A second polyurethane hot melt film was laminated using a hot press machine under conditions of a pressure of 0.5 kgf/cm ² , a temperature of 130° C., and a pressing time of 20 seconds. Here, the polyurethane hot melt film and the second polyurethane hot melt film correspond to the first insulating layer described above.

Next, the release PET film was peeled off, and a third polyurethane hot melt film was laminated so as to cover part of the surface of the first conductive layer. The shape of the third polyurethane hot melt film was a strip with a length of 10 to 12 cm and a width of 1.6 cm. The third polyurethane hot melt film was laminated from a portion 2 cm away from the non-elliptical end to produce a stretchable electrode and wiring parts. The composition of the third polyurethane hot melt film is the same as the composition of the second polyurethane hot melt film used to form the first insulating layer. Here, the third polyurethane hot melt film corresponds to the second insulating layer described above.

The shape of the produced stretchable electrode and wiring parts was a band shape with a length of 18.4 cm and a width of 1.6 cm, and one end had an elliptical shape with a long side of 4.4 cm and a short side of 3.8 cm.

In the fabricated stretchable electrode and wiring parts, the electrode part, the insulating part, and the device connection part are arranged in this order in the longitudinal direction from the elliptical side. The electrode part has a laminated structure of first insulating layer/second conductive layer/first conductive layer, and the elliptical first conductive layer is exposed. The insulating section has a laminated structure of first insulating layer/second conductive layer/first conductive layer/second insulating layer. The device connection portion has a laminated structure of first insulating layer/second conductive layer/first conductive layer, and the first conductive layer having a length of 2 cm and a width of 1.6 cm is exposed.

Next, the elastic electrode and two wiring parts are pasted on the inside of the clothing, that is, at a predetermined position on the side where the electrode surface contacts the skin of the test animal, to provide the electrodes shown in FIGS. 1 and 2. Clothes were made. The number of electrodes provided on the back body was two, the total area of the electrode surfaces of the two electrodes was 22 cm ² , and the dry average film thickness of the electrodes was 90 μm.

In clothing 3, the position of the left electrode in the length direction x is the position d shown in FIG. 6, and the position of the right electrode in the length direction x is the same as the position of the left electrode in the length direction x, as shown in FIG. Position a is the position, position b is on the buttock side of the left electrode in the length direction x, and position c is the position. The distance between electrode a and electrode b was 4 cm, and the distance between electrode b and electrode c was 4 cm.

For Clothing 3, the RR interval in daily life was measured using an electronic unit WHS-1 (manufactured by Union Tools).

The dog wearing Clothing 3 was a medium-sized dog, the specific breed was Shiba Inu, and the weight was 9 kg. The heart position of the dog wearing Clothing 3 was 3 to 13 cm from the dog's forelimbs in the length direction x. In clothing 3, position d where the left electrode is placed, position a where the right electrode is placed is 8 to 12 cm from the dog's forelimbs in the length direction x, and position b where the right electrode is placed is The position c, where the right electrode was placed, was 16 to 20 cm from the dog's forelimbs in the length direction x.

In Figure 6, the results obtained by placing the left electrode at position d and the right electrode at position a are shown as d-a, and when the left electrode is placed at position d and the right electrode is placed at position b, the results are shown as d-a. The measured results are shown as db, and the results measured with the left electrode placed at position d and the right electrode placed at position c are shown as dc.

As is clear from FIG. 6, when the right electrode and the left electrode were placed at the same position in the length direction x (da), the maximum value on the vertical axis was 2300, whereas the right electrode and the left electrode When the electrodes are arranged at different positions in the length direction x (db), the maximum value on the vertical axis is 2700, indicating that the electrocardiogram signal intensity can be greater in db.

Furthermore, even if the right electrode is placed at position c, which is further toward the buttocks than position b (dc), the right electrode and left electrode may be placed at different positions in the length direction x. Therefore, the maximum value on the vertical axis is 2400, indicating that the electrocardiogram signal strength can be made slightly larger than da.

(Clothing 4)
The form of the clothing 4 was as shown in FIGS. 1 and 2, except that the positions where the right and left electrodes contacted the dog's body were changed. FIG. 7 shows a schematic diagram showing the positions where the right electrode and the left electrode come into contact with the dog's body when the clothing 4 is worn on the dog, and the electrocardiogram results measured when the dog wears the clothing 4. .

The placement positions of the right electrode and the left electrode in clothing 4 were the same as in clothing 1, and in clothing 4, the distance between electrode a and electrode b was 4 cm, and the distance between electrode b and electrode c was 4 cm.

For Clothing 4, the RR interval in daily life was measured using an electronic unit WHS-1 (manufactured by Union Tools).

The dog wearing Clothing 4 was a medium-sized dog, the specific breed was a mongrel, and the dog weighed 10 kg. The heart position of the dog wearing Clothing 4 was 3 to 13 cm from the dog's forelimbs in the length direction x. In clothing 4, position a where the right electrode is placed is 8 to 12 cm from the dog's forelimbs in the length direction x, position e where the left electrode is placed, and position b where the right electrode is placed. The position c, where the right electrode was placed, was 16 to 20 cm from the dog's forelimbs in the length direction x.

In Fig. 7, the results of measurement with the left electrode placed at position e and the right electrode placed at position a are shown as ea, and the results obtained by placing the left electrode at position e and the right electrode at position b are shown as ea. The measured results are shown as eb, and the results measured with the left electrode placed at position e and the right electrode placed at position c are shown as ec.

As is clear from Fig. 7, when the right electrode and the left electrode are placed at the same position in the length direction x (e-b), the maximum value on the vertical axis is 2300, whereas the right electrode and the left electrode When the electrodes are arranged at different positions in the length direction x (ea), the maximum value on the vertical axis is 2400, indicating that the electrocardiogram signal intensity can be greater in ea.

1 Clothing for four-limbed animals 11 Right electrode 11a Center of gravity position on the electrode surface of the right electrode 12 Left electrode 12a Center of gravity position on the electrode surface of the left electrode 13 Wiring 14 Connector 21 Right body 22 Left body 31 Tightening member 31a End 32b End 41 Front part Around 41a, 41b First connecting member 41c, 41d Third connecting member 42 Back body 51a, 51b Second connecting member 51c, 51d Fourth connecting member 81 Opening A Quadruped x Length direction y Width direction z Straight line 11b and straight line 12b distance of

Claims (7)

A four-legged animal garment comprising a right electrode and a left electrode in contact with the body,
The clothing is
The right electrode is arranged on the right body,
The left electrode is arranged on the left body,
The right electrode and the left electrode are arranged at different positions in the length direction of clothing for four-legged animals. The clothing for four-legged animals according to claim 1, wherein the left electrode is arranged closer to the neck than the right electrode in the length direction. The clothing for a four-legged animal according to claim 1 or 2, wherein the left electrode is arranged within a range of 25 cm from the forelimb of the four-legged animal in the length direction. 4. The clothing for a four-legged animal according to claim 1, wherein a tightening member that tightens the torso of the four-legged animal is disposed on the outside when the clothing is worn by the four-legged animal. The clothing is
a front body covering the abdomen of the quadruped animal;
and a back body that covers the back of the quadruped animal,
The clothing for a four-legged animal according to any one of claims 1 to 4, wherein the front body and the back body are connected via a connecting member. The clothing for four-legged animals according to claim 5, wherein a first connecting member is disposed on the neck side of the front body in the length direction, and/or a second connecting member is arranged on the neck side of the back body in the length direction. The clothing for a four-legged animal according to any one of claims 1 to 6, wherein the right electrode or the left electrode is arranged closer to the neck than the heart of the four-legged animal in the length direction.

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