JPWO2018220729A1 - Bioelectrode connector - Google Patents

Abstract

Provided is a connector for a biomedical electrode for electrically connecting a large number of biomedical electrodes attached to clothes to a module with a light operating force. A large number of living body electrodes attached to a garment body made of cloth, a conductive outer element electrically connecting the module fixed to the module support to the living body electrode of the slide fastener, and a conductive inner element electrically connecting to the module And slide the slider to occlude. A large number of living body electrodes and the module are electrically connected with a small operation force to slide the slider, and the module is supported by the clothing main body.

Description

  The present invention relates to a connector for a living body electrode for electrically connecting a plurality of living body electrodes to a module for inputting and outputting an electric signal between the living body electrode and the living body electrode, and more particularly, to a plurality of living body electrodes attached to clothing cloth. The present invention relates to a connector for a living body electrode for electrically connecting a living body electrode to a module.

  In a muscle training apparatus that trains by applying an electrical stimulation signal to muscles to expand and contract muscles for the purpose of increasing muscle strength and diet, a plurality of biological electrodes are closely attached to the body surface of the muscle to be trained, and through each biological electrode He trains muscles by applying electrical stimulation signals to muscles inside the body surface to forcibly expand and contract. In addition, in a muscle evaluation device that obtains the muscle composition and muscle activity state, and in a motion detection device that is used in a game machine that detects the movement of a limb from the expansion and contraction state of a voluntary muscle of a limb, the muscle expands and contracts. The muscle composition, the degree of fatigue, and the state of expansion and contraction are detected from the myoelectric signals of the muscle action potentials appearing on a plurality of living body electrodes brought into close contact with the body surface of the subject.

  In order to ensure that these multiple biomedical electrodes are accurately adhered to the muscle body surface position even for ordinary users without specialized knowledge, the back surface that adheres to the body surface of clothing made of fabric A plurality of living body electrodes are attached to predetermined positions, and if clothes are worn, the plurality of living body electrodes are naturally brought into close contact with appropriate positions on the muscle body surface.

  On the other hand, in either case of applying an electrical stimulation signal to a muscle or detecting a myoelectric signal of a muscle action potential generated in the muscle, a circuit element or an individual biological electrode that outputs an electrical stimulation signal to each biological electrode is used. It is necessary to electrically connect the circuit elements that input the muscle action potential appearing in the above to each living body electrode, and a module incorporating these circuit elements, a power supply, an input / output circuit element with the outside, etc. It is attached to.

  However, when washing clothes equipped with multiple biological electrodes, charging the built-in battery of the module, or training at home, only the module that recorded the myoelectric signals of the trained muscles was stored in another place. When carrying the device to the muscle evaluation device for evaluation, it is necessary to make only the module detachable from the clothing, and a connector for the biomedical electrode that connects and disconnects the electrical connection with each biomedical electrode when the module is attached or detached. Is provided.

  A conventional connector 100 for a biomedical electrode described in Patent Document 1 includes a module and a plurality of biomedical electrodes 104 attached to a plurality of clothes 101 using a pair of conductive surface fasteners 102 and 103 which are in contact with and separated from each other. The electrical connection with 105 is connected and separated. Hereinafter, the connecting device 100 will be described with reference to FIGS. 7A and 7B. The back surface side where the six living body electrodes 104 are in close contact with the body surface of the T-shirt type clothing 101, and the muscle body It is installed at a position where it can detect myoelectric signals on the surface.

  Further, a pocket P for accommodating a module 105 which is a recorder for recording a myoelectric signal is formed in the clothing 101, and a cloth of the clothing 101 is provided on an inner bottom surface of the pocket P as shown in FIG. The three living body side conductive surface fasteners 102 electrically connected to the three living body electrodes 104 via conductive paths formed by sewing conductive fibers into the living body are exposed. On the other hand, when the module 105 is housed in the pocket P, the module-side conductive surface fastener 103 serving as an input terminal of the module 105 is provided at each position on the bottom surface facing the three living body-side conductive surface fasteners 102. Is formed. Therefore, when the module 105 is accommodated in the pocket P of the garment 101, the pair of conductive surface fasteners 102 and 103 facing each other in the pocket P are in close contact and electrically connected to each other, and the plurality of living body electrodes 104 and the module 105 are connected. When the module 105 is electrically connected and the module 105 is pulled out from the pocket P, the pair of conductive surface fasteners 102 and 103 that are in close contact with each other is separated, and the module 105 can be separated from the clothing 101.

  In the above-described connecting device 100 for a living body electrode, the contact resistance between the pair of conductive surface fasteners 102 and 103 is high, and the SN ratio when a small myoelectric signal appearing on the living body electrode 104 is input to the module 105 is reduced. It is low and cannot accurately detect muscle composition, degree of fatigue, and expansion / contraction state from myoelectric signals. Also, when the number of living body electrodes 104 attached to the clothing 101 increases, it becomes difficult to attach all the living body-side conductive surface fasteners 102 to the limited attachment space of the clothing 101, and furthermore, all the paired conductive surfaces It takes time to make the fasteners 102 and 103 adhere closely.

  As a connector for easily electrically connecting a large number of biological electrodes attached to a cloth cloth to a module, the inventor of the present application examined a biological electrode connector 110 having a structure shown in FIG. The connecting device 110 is a module 113 for inputting a myoelectric signal from 25 living body electrodes 112 attached at appropriate positions on the back surface of a supporter 111 formed in a cylindrical shape from a fabric made of stretchable fibers and in close contact with the body surface. Is to be electrically connected to On the surface of the supporter 111, a square-shaped module holder 114 that fits around the periphery of the module 113 is fixed, and on the inner bottom surface of the square, 25 living body-side connections electrically connected to the 25 living body electrodes 112, respectively. The electrodes 115 are exposed insulated from each other. Since the module holder 114 is fixed to the supporter 111 that can be washed with water, the living body side connection electrode 115 is formed of a conductive rubber that does not corrode even when touched by water drops.

  A module-side connection electrode (not shown), which is paired with each living-side connection electrode 115 and electrically connected to each other, is provided at a portion on the bottom surface of the module 113 facing each of the 25 living-body connection electrodes 115 of the module holder 114. I'm coming. Further, on the side surface of the module 113, an engagement protrusion 113a that engages with the engagement recess 114a of the module holder 114 when the module 113 is accommodated in the square-shaped module holder 114 protrudes. The module 113 is retained.

  According to the connecting device 110, when the module 113 is accommodated in the module holder 114, the 25 living body-side connection electrodes 115 and the 25 module-side connection electrodes opposed to each other come into abutting contact with each other to form a pair of living body-side connection electrodes. The 25 living body electrodes 112 can be collectively electrically connected to the module 113 via the electrode 115 and the module-side connection electrode. Conversely, if the engagement between the engagement recess 114a of the module holder 114 and the engagement protrusion 113a of the module 113 is released and the module 113 is removed from the module holder 114, the module 113 can be removed from the supporter 111 to which the biological electrode 112 is attached. Can be separated.

  Patent Literature 2 discloses a connector 120 using a slide fastener as a connector capable of easily electrically connecting a large number of living body electrodes attached to a cloth cloth to a module. As shown in FIG. 9, the connecting device 120 includes a plurality of first elements 122 fixed at predetermined intervals along a longitudinal direction of one of the strip-shaped insulating cloths 121A and a pair of the other strip-shaped insulating cloths 121B. A number of second elements 123 fixed at predetermined intervals along the longitudinal direction, and a slider 124 that connects the opposing first element 122 and second element 123 to connect the insulating cloth 121A and the insulating cloth 121B. The slide fastener 126 is provided.

  The first element 122 and the second element 123 of the slide fastener 126 are connected to each other between the first elements 122 adjacent in the longitudinal direction and the second adjacent elements in the longitudinal direction in a state where all the opposing elements 122 are engaged with each other. In order to prevent a short circuit between the elements 123, the first element 122 and a part of the second element 123 are insulated first and second elements 122a and 123a, and the rest are conductive first and second elements 122b and 123b. It has become. A conductive terminal 124 is integrally fixed to each of the conductive first element 122b and the second element 123b, and a lead wire 125 having a terminal fixed to the conductive terminal 124 is electrically connected.

  According to the connecting device 120, for example, the clothing cloth is sewn to the insulating cloth 121A, the cloth supporting the module is sewn to the insulating cloth 121B, and the lead wire 125 connected to the plurality of first elements 122b is sewn. The slider 124 is slid by connecting the other side of each of the lead wires 125 connected to the plurality of second elements 123b to the corresponding input terminal of the module, respectively, to the plurality of living body electrodes attached to the clothing cloth, respectively. Then, the module is attached to the garment only by causing the first element 122 and the second element 123 to bite, and at the same time, a large number of biological electrodes are attached to the module through the conductive first and second elements 122b and 123b. Can be electrically connected to

Japanese Patent No. 3711236 JP-A-5-335045

  The conventional living body electrode connector 100 needs to include a pair of conductive surface fasteners 102 and 103 corresponding to the number of living body electrodes 104 connected to the module 105. It is not possible to attach all the conductive surface fasteners 102 and 103 to the clothing 101 having a limited attachment space such as the inside of the pocket P.

  Also, the clothing 101 expands and contracts, and the pitch between the living body-side conductive fasteners 102 exposed on the fabric of the clothing 101 shifts from the pitch of the module-side conductive fasteners 103 attached to the module 105 side, and the paired conductive There is a case where the sexual surface fasteners 102 and 103 do not face each other, and the living body electrode 104 is not electrically connected to the module 105.

  Furthermore, since the module 105 having a built-in power supply has a certain weight, the module 105 cannot be firmly attached to the garment 101 only by bringing the conductive surface fasteners 102 and 103 into close contact, and a load is applied to the muscle. During exercise, the module 105 may swing with respect to the clothing 101 and fall off from the clothing 101.

  In addition, the connector 110 examined by the present inventor is configured such that the living body electrode 112 is connected to the module 113 by a connector structure in which the living body side connection electrode 115 exposed on the module holder 114 is brought into contact with the module side connection electrode facing the bottom surface of the module 113. Since the electrical connection is made, a large number of living body electrodes 112 can be collectively connected to the module 113 simply by fitting and connecting the module 113 to the module holder 11. However, the living body side connection electrode 115 and the living body side connection electrode 115 are connected with low contact resistance. Since a predetermined contact pressure is required to electrically connect the electrodes 115, an extremely large operating force is required to connect a large number of module-side connection electrodes to the opposed living body-side connection electrodes 115 at the same time.

  In particular, in the connection device 110, since the living body side connection electrode 115 is formed of conductive rubber which does not corrode even when touched by water droplets, a contact pressure of 500 g is required per living body side connection electrode 115 of one pole of conductive rubber, and the contact pressure of 25 poles is required. For electrical connection between the living body side connection electrode 115 and the module side connection electrode, the module 113 must be fitted to the module holder 114 with a force of 12.5 kg, which is not practical.

  In addition, since the module 113 is merely attached to the square-shaped module holder 114 by engaging the engagement protrusion 113a with the engagement recess 114a of the module holder 114, the module 113 may rattle during the exercise of applying a load to the muscles, 113 may fall off.

  Furthermore, since the module 113 is fixed to the surface of the supporter 111 and attached to the module holder 114, the module 113 may protrude to the surface side of the supporter 111 and may be caught by a surrounding object during exercise.

  According to the conventional connector 120, a large number of living body electrodes can be electrically connected to the module with a small operation force using the slide fastener 125. However, when the elements 122 are fixed to a stretchable fabric such as the supporter 111, they are adjacent to each other. The spacing between the elements 122 may be extended, disengaging the opposing elements 123, causing the module to come off, or the biomedical electrodes to no longer be electrically connected to the module.

  Further, when connecting a large number of living body electrodes, it is necessary to attach at least the same number or more of the first element 122 or the second element 123 along the sliding direction of the slider 124. Since the pitch between the two elements 123 is 1 mm or less, and it is extremely difficult to electrically connect the individual elements 122 and 123 to the lead wire 125 for connecting to a biological electrode or module, it has not been put to practical use.

  The present invention has been made in view of such conventional problems, and provides a connector for a biological electrode that electrically connects a large number of biological electrodes attached to clothes to a module with a small operating force. The purpose is to:

  Another object of the present invention is to provide a connector for a living body electrode that supports a module attached to clothing without rattling or falling off.

In order to achieve the above object, the connector for a biomedical electrode according to claim 1 includes a clothing main body made of a cloth having a plurality of biomedical electrodes attached to a back surface in close contact with a body surface, and a plurality of biomedical electrodes. A module support for inputting and / or outputting an electrical signal between the module, a module support secured to the module and having an inner annular band surrounding the module, and a garment body along an outer edge of the inner band. A plurality of inner elements fixed to the inner annular bandage along the occlusal line of the joint between the inner annular bandage and the outer annular bandage; A slide fastener comprising a number of outer elements fixed to an annular bandage, and a slider for engaging each pair of inner and outer elements facing each other at an occlusal line to connect the inner and outer annular bandages. Equipped with a door,
The inner element and the outer element of each set that mesh with each other for each living body electrode are a conductive inner element and a conductive outer element, respectively, formed of a conductive material, and each of the inner and outer elements is formed through an outer conductive path formed on the clothing body. The conductive outer element electrically connected to the living body electrode and the conductive inner element electrically connected to the module via the inner conductive path formed in the module support portion are engaged, and each living body electrode is electrically connected to the module. It is characterized by the following.

  When the slider is slid along the occlusal line of the joint between the inner annular garment and the outer annular garment, the inner element and the outer element facing each other are sequentially engaged with each other, and the inner annular garment of the module support portion and the inner annular garment. Is connected to an outer annular band formed along the edge of the outer garment body, and the module is supported by the garment body connected to the module support.

  Among all the inner and outer elements, the conductive inner element and the conductive outer element facing each other corresponding to each living body electrode are engaged with each other. With a small operating force to slide along, a number of biological electrodes are each electrically connected to the module.

  The module is electrically connected to a conductive inner element secured to an inner annular band surrounding the module via an inner conductive path formed in the module support.

  The connector for a biological electrode according to claim 2 is characterized in that the clothing main body is a supporter formed in a cylindrical shape from a fabric made of stretchable fibers, excluding the outer annular band.

  When a supporter whose cylindrical inner diameter is slightly shorter than the outer diameter of the body to be mounted is worn on the body, the fabric of the supporter expands, and the plurality of biological electrodes naturally adhere to predetermined positions on the muscle body surface.

  Also, the inner annular bandage surrounding the module of the module support is pulled outward by the outer annular bandage formed along the edge of the extending supporter, and the module is urged toward the body surface. It is fixed to the module support in this state.

  According to a third aspect of the invention, there is provided a connector for a living body electrode, wherein the outer conductive path is formed by sewing conductive fibers in a band shape on a cloth of the clothing main body, and the back side thereof is covered with the insulating fibers.

  Even when the outer conductive path is formed by sewing conductive fibers in a strip shape, the resistance value between the living body electrode and the conductive outer element can be set to several Ω or less, the SN ratio is high, and minute Can be accurately detected.

  Since the outer conductive path is formed by sewn the conductive fibers on the cloth of the clothing main body in a band shape, the outer conductive path can be formed together with the formation of the clothing main body, and the back side is covered with the insulating fiber, so that it does not contact the body surface.

  Further, since the outer conductive path can be formed without protruding from the back surface without arranging a lead wire or the like on the back surface side of the clothing portion, there is no unevenness on the back surface in close contact with the body surface of the clothing portion.

  Since the belt-shaped outer conductive paths can be formed on the cloth of the clothing main body at a narrow pitch, it can be easily connected to the outer elements of the narrow pitch.

  According to a fourth aspect of the present invention, there is provided a connector for a living body electrode, wherein the living body electrode is formed continuously with the outer conductive path by sewing conductive fibers.

  When forming the clothing main body, a plurality of living body electrodes and an outer conductive path connected to each living body electrode can be formed together.

  In addition, the living body electrode can be attached without unevenness on the back surface of the clothing portion that is in close contact with the body surface.

  The connector for a biomedical electrode according to claim 5, wherein a pitch between adjacent inner elements along an occlusal line at a position where the inner element and the outer element are initially occluded by the slider is along an occlusal line at another position. Unlike the pitch between adjacent inner elements, the plurality of outer elements are fixed along the occlusal line at a pitch corresponding to the pitch between all adjacent inner elements along the occlusal line. .

  Since the plurality of outer elements are fixed at a pitch corresponding to the pitch between all the inner elements adjacent to each other along the occlusal line, a set of inner elements is provided at a position where the inner element and the outer element are first engaged by the slider. If the outer element and the outer element face each other, the remaining set of the inner element and the outer element in the other positions where the slider is slid are engaged.

  On the other hand, if the inner element and the outer element face each other due to a pitch shift at a position where the inner element and the outer element are initially engaged by the slider, the slider is slid along the occlusal line at another position where the slider is slid. Since the pitch between the inner elements adjacent to each other is different, it does not face any of the outer elements, and the slider cannot be slid and engaged.

  According to a sixth aspect of the present invention, there is provided the connecting device for a living body electrode, wherein the surfaces of the inner annular bandage and the outer annular bandage are covered with a waterproof cover integrally formed with the module supporting portion and / or the clothing main body. .

  Since the surfaces of the inner and outer annular belts where the conductive inner element and the outer conductive element are exposed are covered with a waterproof cover, the conductive inner element and the conductive outer element may be exposed to user sweat or water droplets. There is no.

  According to a seventh aspect of the present invention, there is provided the connector for a biological electrode, wherein the inner conductive path is not electrically connected to the inner element fixed to at least one side along the occlusal line.

  The inner element fixed to at least one side along the occlusal line may be a slider that stagnates at a standby position before the inner element and the outer element are occluded or at a terminal position where all sets of the inner element and the outer element are occluded. Even if sweat or water drops stagnate due to capillary action between the slider and the inner element that are on the back side and stagnate at the standby position or the end position, insulation failure between the inner element and other conductors occurs. Since the inner conductive path is not electrically connected, there is no erroneous connection with the module.

  The connecting device for a biomedical electrode according to claim 8 is characterized in that the slider is formed of an insulating material.

  Since the slider is formed of an insulating material, there is no short circuit between the inner elements adjacent along the occlusal line or between the outer elements adjacent along the occlusal line via the slider.

  The connector for a biomedical electrode according to claim 9, wherein the conductive inner element and the conductive outer element are molded of a conductive resin, and are sandwiched between at least a pair of conductive inner elements adjacent to each other along the occlusal line. The outer element to be engaged and engaged and the inner element to be engaged and engaged between at least a pair of conductive outer elements adjacent to each other along the occlusal line are formed of an insulating resin.

  All the inner and outer elements can be molded by two moldings using the molding resin as an insulating resin and a conductive resin.

  An outer element sandwiched and engaged between a pair of conductive inner elements adjacent along the occlusal line, and an inner element sandwiched and engaged between a pair of conductive outer elements adjacent along the occlusal line are Since each is molded with an insulating resin, no short circuit occurs through the mating element on the mating side.

  According to the first aspect of the present invention, the module is formed by a slide fastener that connects the inner annular band around the module and the outer annular band formed on the clothing main body along the outer edge of the inner annular band. Since the module is attached to the clothing main body, the module can be attached to the clothing main body without play, and there is no danger of dropping from the clothing main body.

  Even a child or a weak elderly person can reliably connect a large number of living body electrodes to the module with a light operating force for sliding the slider.

  Also, since the inner conductive path electrically connected to the living body electrode can be drawn out from the periphery of the module, the input / output terminals of the module to be connected to the inner conductive path can be connected to the mounting position of the battery or other circuit components mounted on the module. There is no interference and no obstacle to mounting these circuit components.

  According to the second aspect of the present invention, all the biomedical electrodes can be naturally brought into close contact with the predetermined position on the body surface only by making the cylindrical inner diameter of the supporter slightly shorter than the outer diameter of the body to be worn.

Also, just make the cylindrical inner diameter of the supporter slightly shorter than the outer diameter of the body to be worn,
Effect Since the cloth of the clothing body expands and contracts, the module can be securely attached to the supporter without rattling between the body surface.

  According to the invention of claim 3, the outer conductive path can be formed together with the formation of the clothing main body.

  Further, the outer conductive path can be formed without causing irregularities on the back surface of the clothing portion that is in close contact with the body surface.

  Further, since the strip-shaped outer conductive paths can be formed at a narrow pitch along the occlusal line, the outer conductive paths can be easily electrically connected to the conductive outer elements fixed to the outer annular band at a narrow pitch.

  According to the fourth aspect of the present invention, when forming the clothing main body, a plurality of living body electrodes and an outer conductive path connected to each living body electrode can be formed together.

  Further, the living body electrode can be attached without causing irregularities on the back surface of the clothing portion that is in close contact with the body surface.

  According to the invention of claim 5, even if the inner element engages with the other set of outer elements due to the pitch shift at the position where the first element is to be engaged, the inner element and the outer element do not face each other due to a different pitch thereafter, and the slider is moved. Because there is no sliding, the different sets of inner and outer elements do not accidentally bite, and the biomedical electrodes do not misconnect to the input / output terminals of different modules.

According to the invention of claim 6, a large number of the conductive inner elements and the conductive outer elements are waterproofed by being covered with the waterproof cover, so that the conductive inner elements and the conductive outer elements do not corrode, and Insulation failure between conductive elements other than the conductive inner element and the conductive outer element that engage with each other can be prevented.
Does not occur.

  According to the invention of claim 7, even if sweat or water drops stay between the slider and the inner element at the position where the slider stagnates and insulation failure occurs in the inner element, erroneous connection with the module can be prevented.

  According to the invention of claim 8, even if the slider is damaged or the pitch is shifted and different sets of the conductive inner element and the conductive outer element approach each other, the conductive inner element and the conductive outer element are connected via the slider. No misconnection.

  According to the ninth aspect, all the inner elements and the outer elements can be formed by two moldings.

  Further, the adjacent conductive inner element or conductive outer element is not short-circuited by the opposing element sandwiched therebetween, so that the electrical connection to the module can be reliably made for each living body electrode.

BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows the connector 1 of the electrode for living bodies which concerns on one Embodiment of this invention. It is a perspective view showing the state where module support sheet 20 to which module 3 was fixed was separated from supporter 10. FIG. 2 is a partially enlarged view showing a configuration of a slide fastener 30. It is a principal part enlarged view which shows the state which the inner element 32 and the outer element 31 of every facing group occlude. FIG. 5 is a sectional view taken along line AA of FIG. 4. FIG. 3 is a block diagram of a muscle condition analyzing apparatus 50 using the connecting device 1 for a living body electrode. 1A is a plan view of a garment 101, and FIG. 1B is an explanatory view showing conductive surface fasteners 102 and 103 that are tightly connected in a pocket P and connected. . FIG. 3 is a perspective view showing a connector 110 for a biological electrode studied by the inventor. It is explanatory drawing of the connection tool 120 using the conventional slide fastener 125.

  A connecting device (hereinafter simply referred to as a connecting device) 1 for a living body electrode according to an embodiment of the present invention analyzes a composition and an activity state of a muscle from a myoelectric signal generated in a muscle when a voluntary muscle of a limb expands and contracts. A supporter 10 that is used as an input unit of the muscle condition analysis device 50 illustrated in FIG. 6 and that is a clothing main body that covers the body surface of the muscle, a large number of biological electrodes 2 that are exposed on the back surface in contact with the body surface of the supporter 10, A module 3 for storing a myoelectric signal appearing on the living body electrode 2 in the storage unit 53; and a module 3 which can be detachably attached to the supporter 10, and each of the living body electrodes 2 is attached while the module 3 is mounted on the supporter 10. A slide fastener 30 for electrically connecting the module 3 is provided.

  By using the connecting device 1 configured as described above for the muscle condition analysis device 50, for example, muscle training is performed at home, and a myoelectric signal generated from the muscle during training is stored in the storage unit 53 of the module 3. Then, at a later date, only the module 3 storing the myoelectric signal in the storage unit 53 is brought to a place such as a training center where the muscle condition analyzer 50 is provided, and the analysis result is checked on the display device 51 and advice on the training effect is provided. Can receive.

  Hereinafter, the configuration of each part of the connecting device 1 will be described with reference to FIGS. 1 to 6, with the side in contact with the body surface as the back side and the side opposite to the body surface as the front side. As shown in FIG. 1, the supporter 10 is entirely formed of elastic fiber fabric in a cylindrical shape except for an outer annular bandage 11 around the module support sheet 20. The inner diameter of the cylinder is slightly shorter than the inner diameter of the body surface of the arm where the muscles of the forearm are located, so that when the supporter 10 is attached to the arm where the muscles of the forearm are located, the supporter 10 extends to the body surface of the muscles of the forearm. The whole back surface of the is adhered.

  The supporter 10 includes 24 biological electrodes 2 corresponding to 24 poles corresponding to 12 channels, each of which has two channels, and one biological electrode 2 corresponding to a reference electrode. Are attached to different positions on the back surface that are in close contact with the body surface, respectively. Therefore, the bioelectrodes 2 are brought into close contact with the body surface at a predetermined contact pressure by the supporters 10 which are worn around the arms and stretched. In this embodiment, each living body electrode 2 is formed on the back surface of the supporter 10 by sewing a conductive fiber fabric from the back surface of the insulating stretchable fiber fabric constituting the supporter 10. .

  The position where each living body electrode 2 is attached to the back of the supporter 10 is set to a position where the myoelectric signal generated by the forearm muscle appears most when the supporter 10 is brought into close contact with the body surface of the forearm muscle, Thus, even if a general user who does not know the position of the muscles of the forearm, each biological electrode 2 can effectively and effectively use the muscles of the forearm simply by attaching the supporter 10 to a predetermined position around the arm. Close contact with the position on the body surface where the electric signal is detected.

  As shown in FIG. 2, a long hole 13 is formed in the supporter 10 along a contour of the module support sheet 20 at a position where the supporter 10 is connected to the module support sheet 20 serving as a module support portion. An outer annular bandage 11 is formed on the outer side along the outer side. The outer annular bandage 11 includes a plurality of outer elements 31 (described later) constituting the slide fastener 30 along an occlusal line L (here, a contour line of the long hole 13) at a joint with the inner annular bandage 21 described later. The outer annular bandage 11 is formed of a non-stretchable fiber cloth so as to be fixed at a pitch Po which will be described later, and so that the pitch between the outer elements 31 does not fluctuate. The end 11a of the outer annular bandage 11 near the occlusal line L is a cylindrical rib so that the end 11a of the outer annular bandage 11 does not come off from each outer element 31 as described later.

  Outer elements 31 corresponding to each of the 25 living body electrodes 2 among the many outer elements 31 are conductive outer elements 31a, and the supporter 10 includes each living body electrode 2 and its living body electrode 2a. The outer conductive path 12 for electrically connecting the conductive outer element 31a corresponding to the above is formed. The outer conductive path 12 may employ various connection means such as a lead wire as long as it electrically connects each of the biological electrodes 2 and the corresponding conductive outer element 31a. As shown in FIGS. 1 and 3, the supporter 10 is formed of a conductive fiber strip-shaped cloth in order to sew the supporter 10 together with the living body electrode 2.

  The conductive fiber fabric constituting the outer conductive path 12 is sewn to the fabric on the back side of the supporter 10 from the living body electrode 2 to the end 11a of the outer annular bandage 11 in the form of an elongated strip. Is covered with an insulating sheet, an insulating fiber cloth 14 or the like so as not to contact with.

  The module 3 including the microcontroller 52, the storage unit 53, the wireless communication unit 54, and a battery (not shown) serving as a driving power source for these components shown in FIG. By sewing the periphery of the module cover 25 made of a cloth covering the flat side of the module 3 to the sheet 20, the module is sandwiched between the module support sheet 20 and the module cover 25 and fixed without rattling.

  As shown in FIG. 2, the contour of the module supporting sheet 20 is substantially equal to the contour of the end 11 a of the outer annular belt 11 to be connected. The joint between the outer annular bandage 11 and the end portion 11 a becomes the occlusal line L connected by the slide fastener 30. The inner annular bandage 11 is fixed so that the pitch Pi between adjacent inner elements 32 of a number of inner elements 32 fixed to the inner annular bandage 11 at a predetermined pitch Pi along the occlusal line L does not fluctuate. When the module supporting sheet 20 is formed of elastic fiber fabric and the module supporting sheet 20 is formed of elastic fiber fabric, at least the inner annular zonal band 11 is formed of non-elastic fiber fabric. In addition, the entire circumferential end of the inner annular bandage 21 is also a cylindrical rib for firmly fixing each inner element 32 without getting out.

  As shown in FIG. 3, in order to input a myoelectric signal appearing on each of the 25 living body electrodes 2 to each input terminal of the microcontroller 52, a microcontroller 52 is provided on the bottom surface of the module 3 facing the module support sheet 20. 25 input terminals (not shown) connected to the respective input terminals are exposed.

  Of the many inner elements 32, the inner elements 32 corresponding to the 25 input terminals of the module 3 are conductive inner elements 32a, and the module support sheet 20 includes the 25 input terminals of the module 3. An inner conductive path 22 is formed which electrically connects to the respective conductive inner element 32a. The inner conductive path 22 may employ various connection means such as a lead wire as long as it electrically connects each input terminal of the module 3 and the corresponding conductive inner element 32a. And from the position facing each input terminal of the module 3 to the end reaching the occlusal line L of the inner annular cloth band 22, is sewn in the form of an elongated band on the plane of the module support sheet 20. .

  The slide fastener 30 that makes the module 3 detachable from the supporter 10 includes a plurality of inner elements 32 that are insulated and fixed to the inner annular bandage 21 along the occlusal line L, and an outer annular cloth along the occlusal line L. A number of outer elements 31 insulated and fixed to the band 11; a slider 33 which slides along the occlusal line L to engage or release the inner element 32 and the outer element 31 facing each other at the occlusal line L; Consists of

  All the outer elements 31 are formed in the same shape in the shape of a vertically long plate made of conductive metal. As shown in FIG. 4, the distal end located on the occlusal line L is one side along the occlusal line L (upper side in the figure). A keyhole-shaped slit 310 for accommodating the end 11a of the outer annular bandage 11 is recessed at the base end side of the outer annular bandage 11 which is curved in a spherical crown shape and is connected to the outer annular bandage 11, as shown in FIG. Have been. After each outer element 31 inserts the end 11a of the cylindrical rib of the outer annular bandage 11 to the inside of the slit 310, the outer annular bandage 11 sandwiched by the slits 310 is crimped from above and below to form an outer annular band. It is fixed to the end 11a of the cloth strip 11.

  When the outer element 31 is the conductive outer element 31a, the slit 310 is inserted with the cloth of the conductive fiber constituting the outer conductive path 12 which is sewn to the end 11a of the outer annular cloth belt 11. The conductive outer element 31a is crimped from above and below by the conductive outer element 31a. The conductive outer element 31a is fixed to the outer annular bandage 11 and is electrically connected to the outer conductive path 12.

  Further, out of the large number of outer elements 31, the outer element 31 other than the conductive outer element 31a becomes an insulating outer element 31b (indicated by oblique lines in FIGS. 3 and 4) which is entirely coated with an insulating coating. It is fixed to the end portion 11a of the outer annular bandage 11 where the passage 12 is not formed.

  All the inner elements 32 are formed of a conductive metal in a vertically long plate shape which is symmetrical to the outer element 31 with respect to the occlusal line L. That is, similarly to the outer element 31, the distal end side located on the occlusal line L is curved in a spherical shape along the occlusal line L in the same direction as the outer element 31, and the proximal end side to which the inner annular bandage 21 is connected. A keyhole-shaped slit for accommodating the end of the cylindrical rib of the inner annular bandage 21 is formed in the inside, and the inner annular bandage 21 sandwiched by the slits 310 is crimped from above and below to form the inner annular bandage. 21 is fixed to the end.

  When the inner element 32 is a conductive outer element 32a, similarly, the inner conductive path 22 inserted into the slit is swaged from above and below, and the conductive inner element 32a is fixed to the inner annular cloth band 21 and the inner conductive path 22 is fixed. Electrical connection to road 22.

  Also, the inner elements 32 other than the conductive inner element 32a are insulated inner elements 32b (indicated by oblique lines in FIGS. 3 and 4) which are entirely covered with the insulating coating, and the inner conductive paths 22 are not formed. It is fixed to the end of the inner annular bandage 21.

  The pitch Pi between the adjacent inner elements 32 along the occlusal line L of a number of the inner elements 32 fixed to the inner annular bandage 21 excludes a pitch Pi ′ between the adjacent inner elements 32 on the base end described later. The width of the outer element 31 along the occlusal line L and the width of the inner element 2 symmetrical to the outer element 31 with respect to the occlusal line L, the inner element 32 Along with every other interval.

  Further, the pitch Pi 'between any pair of the inner elements 32 adjacent to each other along the occlusal line L on the base end side is a length that is not an integral multiple of the pitch Pi between the other inner elements 32.

  On the other hand, the large number of outer elements 31 fixed to the outer annular bandage 11 are fixed at the pitch Pi ′ on the proximal end side such that all the outer elements 31 engage with all the inner elements 32 facing each other at the occlusal line L. The pitch of the outer element 31 facing the pair of inner elements 32 is a pitch Po ′ equal to the pitch Pi ′, and the pitch between the outer elements 32 adjacent along the other occlusal line L is the pitch Pi between the inner elements. It is fixed along the occlusal line L at the same pitch Po.

  Therefore, except for a part of the base end side, each of the inner elements 32 and each of the outer elements 31 are sandwiched between a pair of outer elements 31 and 31 or a pair of inner elements 32 and 32 facing each other at the occlusal line L. 3 and 4, the inner element 32 is sandwiched between the pair of conductive outer elements 31a, 31a, and the outer element 32 is sandwiched between the pair of conductive inner elements 32a, 32a. The element 31 is an insulating inner element 32b and an insulating outer element 31b, respectively, in order to prevent a short circuit between these conductive elements.

  As shown in FIG. 3, when any one of the biological electrodes 2 (indicated by 2a in FIG. 3) is connected to a specific input terminal (indicated by 3a in FIG. 3) of the module 3, the biological electrode 2a And a conductive inner element 32a connected via the inner conductive path 22 corresponding to the input terminal 3a of the module 3 to a biological electrode. 2a, and are fixed at positions facing each other along the occlusal line L of the outer annular bandage 11 and the inner annular bandage 21, respectively.

  The slider 33 moves between the base position shown in FIG. 2 along the occlusal line L (the position closer to the lower left side of the slot 13 in FIG. 2) and the end position shown in FIG. 1 (the position closer to the lower left side of the slot 13). The inner element 32 and the outer element facing each other at the occlusal line L by sliding the slider 33 counterclockwise in the drawing from the base end position to the end position along the occlusal line L. 31 bites. Further, by sliding the slider 33 along the occlusal line L from the end position to the base position in the clockwise direction in the drawing, the occlusion between the occluded inner element 32 and the occluded outer element 31 is released.

  Since the plurality of inner elements 32 and outer elements 31 are inserted into the slider 33, the slider 33 is formed of an insulating resin so that the inner element 32 and the outer element 31 are not short-circuited via the slider 33. Is done.

  Of the many inner elements 32 and many outer elements 31 fixed along the occlusal line L, the innermost element 32 and the outermost element 31 on the most proximal side respectively face each other in the slider 33 at the proximal position, and Bite. Therefore, when the module 3 is removed from the supporter 10, this base end position is the standby position of the slider 33.

  After inserting the proximal end of the inner annular bandage 21 from the side of the slider 33 at the standby position, and causing the innermost set of the inner element 32 and the outer element 31 to engage with each other, the slider 33 is moved to the occlusal line L. When sliding in the counterclockwise direction in the figure along the occlusal line L, the inner element 32 and the outer element 31 of each set facing each other at the occlusal line L face each other and sequentially bite. All sets of the conductive outer element 31a and the conductive inner element 32a corresponding to the living body electrode 2a are engaged and electrically connected to the respective input terminals of the module 3. When the slider 33 is slid to the end position, all pairs of the inner element 32 and the outer element 31 that face each other are engaged, and the inner annular band 21 of the module support sheet 20 and the outer annular band 11 of the supporter 10 are connected.

  On the other hand, in a state where the inner element 32 is erroneously engaged with the outer element 31 of a different set on the base end side, the pitch Pi ′ between the inner elements 32 in the sliding direction of the subsequent slider 33 is different from that of the other inner elements 32. Since the length is not an integral multiple of the pitch Pi, the outer element 31 fixed at the pitch Po equal to the pitch Pi is not opposed to the outer element 31 fixed at the pitch Po, so that the slider 33 cannot be slid. Therefore, the set of the conductive outer element 31a and the conductive inner element 32a that bite in correspondence with the living body electrode 2a does not accidentally bite and connect to the different conductive inner element 32 or the conductive outer element 31. Erroneous connection can be prevented.

  Further, in the present embodiment, all the inner elements 32 and the outer elements 31 covered by the sliders 33 at the base end position and the end position are defined as an insulating inner element 32b and an insulating outer element 31b, and these elements 31b, The inner conductive path 22 and the outer conductive path 12 are not connected to 32b. As a result, even if sweat or water droplets adhere to the slider 33 that stagnates at the base position and the end position for a long time and the insulating inner element 32b or the insulating outer element 31b due to the capillary action, the biological electrode 2a And the input terminal of the module 3 is not electrically connected, so that there is no erroneous connection or short circuit.

  Hereinafter, the connecting device 1 configured as described above is subjected to muscle training at home, and a myoelectric signal generated from the muscle during the training is stored in the storage unit 53 of the module 3 and is moved to a place where the muscle condition analyzing apparatus 50 is located. A description will be given of an example in which the apparatus is used as a part of the muscle state analyzing apparatus 50 for bringing in and checking the analysis result on the display device 51.

  Before performing the muscle training at home, if the module 3 is not attached to the supporter 10, insert the proximal end of the inner annular bandage 21 from the side of the slider 33 at the proximal end position shown in FIG. 2. Then, a pair of the inner element 32 and the outer element 31 closest to the most proximal side are occluded, and then, the slider 33 is slid along the occlusal line L in the counterclockwise direction in the figure to the end position in FIG. The inner element 32 and the outer element 31 are engaged with each other.

  During the sliding operation of the slider 33, the twenty-five living body electrodes 2 are sequentially connected to the corresponding input terminals of the module 3, so that even if there are a large number of living body electrodes 2 electrically connected to the module 3, light operation is possible. All the electrodes for living body 2 can be electrically connected by force.

  In addition, since the supporter 10 and the module support sheet 20 to which the module 3 is fixed are connected at the same time as the electrical connection of each living body electrode 2, the module 3 is attached to the front side of the supporter 10. The attachment of the module 3 using the slide fastener 30 may be performed before or after the supporter 10 is attached to the body surface of the arm where the muscle of the forearm is located.

  When the module 3 is attached to the supporter 10, the module 3 is covered and supported by the module support sheet 20 made of fabric and the module cover 25, and thus constitutes the module 3 such as a printed wiring board on which circuit components are mounted. The hard part to be mounted is not exposed to the body surface or outside as it is, and can be mounted on the body surface without giving a sense of discomfort, and the engagement protrusion 113a and the engagement recess 114a are engaged like the connection tool 110. Since there is no engaging structure for holding the module, a part protruding from the module 3 during movement does not get caught around. Furthermore, since the module 3 is supported only by the fabric, the weight is not increased, and even if the module 3 is accidentally dropped from the arm during exercise, the fabric absorbs the impact and the module 3 is not damaged.

  In addition, since the module supporting sheet 20 to which the module 3 is fixed is connected to the supporter 10 which is attached to the body surface of the arm and extends substantially all around, the module supporting sheet 20 is pulled in the peripheral direction, and the module 3 is attached to the body surface. Energize in the direction to make close contact. As a result, the module 3 follows the change in the body surface without shaking even if the arm is exercised during the muscle training.

  The myoelectric signal generated from the muscle of the forearm during the muscle training is input to each of the input terminals of the microcontroller 52 as twelve-electrode myoelectric signals to the 24 living body electrodes 2 that are in close contact with the body surface, and is stored in the storage unit 53. It is memorized.

  After the completion of the muscle training at home, when bringing only the module 3 to another place where the muscle condition analyzing apparatus 50 such as a training center is located, the slider 33 at the end position is moved clockwise along the occlusal line L. The module supporting sheet 20 for fixing the module 3 is separated from the supporter 10 by sliding to the base position to release the occlusion of all the outer elements 31 and the inner elements 32 that have been occluded.

  When confirming the effect of the muscle training, it is stored in the storage unit 53 via the wireless communication unit 54 of the module 3 separated and brought near the muscle state analysis device 50 via the wireless communication unit 56 of the muscle state analysis device 50. The twelve-pole myoelectric signal thus output is output to the myoelectric condition detecting section 55. The muscle state detection unit 55 analyzes the composition and activity state of the muscles of the forearm during the muscle training from the input twelve-pole myoelectric signal, and displays the analysis result on the display device 51. From the analysis result displayed on the device 51, the effect of the muscle training can be confirmed and advice can be received.

  In the above-described embodiment, the outer element 31 and the inner element 32 are formed of a conductive metal material. However, the outer element 31 and the inner element 32 may be molded with a synthetic resin. In this case, the conductive element is a conductive resin, and the insulating element is a Alternatively, outsert molding may be performed on the clothing main body 10 and the module support portion 20 in two separate molding steps with insulating resin. Alternatively, the element may be formed of an insulating synthetic resin, and a conductor may be attached to the surface of the element to be conductive by plating or the like.

  Further, in the above-described embodiment, the elongated hole 13 is formed in the supporter 10 which is the clothing main body, but the outer annular cloth is formed on the surface of the clothing main body along the edge of the inner annular cloth band 21 without opening the hole 13. The belt 11 may be formed.

  The surfaces of the inner annular bandage 21 and the outer annular bandage 11 from which the inner element 32 and the outer element 31 are exposed are covered with a waterproof cover attached to the module supporting portion 20 or the garment main body 10, and the inner element 32 and the outer element 31 are covered. Water droplets may be prevented from adhering.

  Furthermore, if a reinforcing structure is added so that the pitch Pi between the inner elements 32 and the pitch Po between the outer elements 31 do not change, the outer annular bandage 11 and the inner annular bandage 21 need not necessarily be formed of non-stretchable fabric. Instead, the supporter 10 or the module support sheet 20 made of a fabric of stretchable fiber may be extended to the occlusal line L to form the outer annular bandage 11 or the inner annular bandage 21.

  Furthermore, the connector for a living body electrode according to the present invention can be used for training a muscle by outputting a muscle stimulation signal from the module 3 side to the living body electrode 2 adhered to the body surface.

  INDUSTRIAL APPLICABILITY The present invention is suitable for a connector for a living body electrode that allows a module for inputting and outputting an electric signal to and from the living body electrode to be detachably attached to a clothing main body to which a plurality of living body electrodes are attached.

DESCRIPTION OF SYMBOLS 1 Connector for living body electrode 2 Electrode for living body 3 Module 10 Clothing main body (supporter)
11 outer annular bandage 12 outer conductive path 20 module support (module support sheet)
21 inner annular bandage 22 inner conductive path 30 slide fastener 31 outer element 31a conductive outer element 31b insulating outer element 32 inner element 32a conductive inner element 32b insulating inner element 33 slider

Claims (9)

A clothing main body made of a cloth having a plurality of living body electrodes attached to the back surface in close contact with the body surface,
A module for inputting and / or outputting an electrical signal between the plurality of biological electrodes;
A module support secured to the module and having an inner annular band surrounding the module;
An outer annular bandage formed on the clothing body along an outer edge of the inner annular bandage,
A number of inner elements fixed to the inner annular band along the occlusal line of the joint between the inner annular band and the outer annular band, and fixed to the outer annular band along the occlusal line A large number of outer elements, comprising a slide fastener consisting of a slider that engages the inner element and the outer element of each set facing each other at the occlusal line and connects the inner annular bandage and the outer annular bandage,
A conductive inner element and a conductive outer element, each of which is formed by a conductive material, with the inner element and the outer element of each set engaging with each of the living body electrodes,
The conductive outer element electrically connected to each of the living body electrodes via an outer conductive path formed in the clothing main body; and the conductive element electrically connected to the module via an inner conductive path formed in a module supporting portion. A connector for a biomedical electrode, wherein said biomedical electrode is electrically connected to said module by engaging the sexual inner element.   The connecting device for a living body electrode according to claim 1, wherein the clothing main body is a supporter formed in a cylindrical shape from a cloth made of stretchable fibers except for the outer annular cloth band.   3. The outer conductive path according to claim 1, wherein the outer conductive path is formed by sewing conductive fibers in a band shape on the cloth of the clothing main body, and the back surface thereof is covered with insulating fibers. The connector for a biological electrode according to the above.   The connecting device for a biomedical electrode according to claim 3, wherein the biomedical electrode is formed continuously with the outer conductive path by sewing conductive fibers.   The pitch between the adjacent inner elements along the occlusal line at the position where the inner element and the outer element are first occlused by the slider is between the inner elements adjacent along the occlusal line at other positions. 2. The device according to claim 1, wherein the plurality of outer elements are fixed along the occlusal line at a pitch different from a pitch, the pitch corresponding to a pitch between all the inner elements adjacent to the occlusal line. Or the connection tool of the living body electrode according to any one of claims 2 to 4.   3. The surface of the inner annular bandage and the outer annular bandage is covered with a waterproof cover integrally formed with the module supporting portion and / or the clothing main body. 2. The connector for a biological electrode according to claim 1.   3. The living body according to claim 1, wherein the inner conductive path is not electrically connected to the inner element fixed to at least one side along the occlusal line. 4. Electrode connection tool.   The connecting device for a living body electrode according to claim 1, wherein the slider is formed of an insulating material. The conductive inner element and the conductive outer element are molded with a conductive resin,
An outer element sandwiched between at least a pair of the conductive inner elements adjacent to each other along the occlusal line, and an outer element sandwiched between at least a pair of the conductive outer elements adjacent to the occlusal line; 3. The connecting device for a living body electrode according to claim 1, wherein the occlusal inner element is formed of an insulating resin.

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