WO2023013249A1

WO2023013249A1 - Biological information measurement clothing

Info

Publication number: WO2023013249A1
Application number: PCT/JP2022/023710
Authority: WO
Inventors: 翔太森本; 雄一郎表
Original assignee: 東洋紡株式会社; 東洋紡Ｓｔｃ株式会社
Priority date: 2021-08-04
Filing date: 2022-06-14
Publication date: 2023-02-09
Also published as: JPWO2023013249A1

Abstract

The present invention provides clothing that is capable of accurately measuring, as biological information, both electrical signals from a body and the respiratory state thereof.　This biological information measurement clothing includes a front cloth, an electrocardiographic measurement electrode that is provided to the skin-side surface of the front cloth, and a stretchable sensor that is provided to the surface of the front cloth on the reverse side from the skin-side surface. In the length direction of the front cloth, the position of the lowest point of the stretchable sensor is higher than the position of the highest point of the electrocardiographic measurement electrode.

Description

Clothes for biological information measurement

The present invention relates to clothing that can measure biometric information, especially human biometric information.

In recent years, wearable biological information measuring devices (sensing wear) have been attracting attention in the fields of health monitoring, medical care, nursing care, and rehabilitation. A wearable biological information measuring device is a biological information measuring device attached to, for example, a belt, strap, or clothing. It is a device that can easily measure biological information such as electricity. As a biological information measuring device, for example, one is known in which electrodes for electrocardiographic measurement are formed in contact with the wearer's skin.

In the case of a clothing-type wearable biological information measurement device, for example, electrodes are provided on a body fabric made of woven or knitted fabric, and by wearing this clothing in daily life, various situations can occur. Electrical signals from the body can be measured, and biological information can be easily measured based on the data of the obtained electrical signals.

Various types of clothing-type wearable biological information measurement devices have been known so far. We proposed a sensing wear with flexible electrodes with high

JP 2017-29692 A

　The mainstream of biological information was to measure electrical signals from the body, but in recent years, it is required to measure the wearer's respiratory status in addition to electrical signals from the body. Among respiratory conditions, for example, an increase in respiratory rate is said to be a sign of sudden changes and an important physical finding for early detection of complications.

The present invention was made with a focus on the circumstances described above, and its purpose is to provide clothing that can accurately measure both electrical signals from the body and respiratory conditions as biological information.

The present invention is as follows.
[1] A garment for measuring biological information, comprising a front body fabric, electrocardiographic measurement electrodes arranged on the skin-side surface of the front body fabric, and a surface opposite to the skin-side surface of the front body fabric. and a stretchable sensor arranged on the side surface, and the lowest point position of the stretchable sensor in the length direction of the front body fabric is higher than the highest point position of the electrocardiographic measurement electrode. , above.
[2] The garment for measuring biological information according to [1], wherein the center position in the longitudinal direction of the stretchable sensor is located on the left armhole side of the center position of the body width of the front body fabric.
[3] The garment for measuring biological information according to [1] or [2], wherein the stretch sensor is arranged such that the longitudinal direction of the stretch sensor and the width direction of the front body fabric are parallel.
[4] The garment for measuring biological information according to any one of [1] to [3], wherein the stretch sensor is detachable from the front body fabric.
[5] The stretch sensor is arranged in a region between 7 cm above and 9 cm below a line connecting the armpit positions of the left and right armholes of the clothing, and the electrocardiographic electrodes are , The garment for measuring biological information according to any one of [1] to [4], which is arranged in a region below a position 5 cm below a line connecting armpit positions in the left and right armholes of the garment. .
[6] The distance y between the lowest point position of the stretchable sensor and the highest point position of the electrocardiographic measurement electrode and the width z of the stretchable sensor in the lateral direction satisfy the following formula (1): The clothing for biological information measurement according to any one of [1] to [5], which is satisfactory.
y≦3×z (1)
[7] The maximum width of the electrocardiographic measurement electrode in the width direction of the front body fabric is 30 to 80% of the body width of the front body fabric. Clothing for biological information measurement.
[8] The elastic sensor is arranged on a belt-shaped fabric, the longitudinal direction of the elastic sensor and the longitudinal direction of the belt-shaped fabric are parallel, and the belt-shaped fabric is detachable from the front body fabric [1] ] to [7], the garment for measuring biological information.
[9] The garment for measuring biological information according to [8], wherein the strip-shaped fabric is annular, and the front body fabric has a holder that holds the annular strip-shaped fabric to the front body fabric.
[10] The garment for measuring biological information according to any one of [1] to [9], wherein the elastic sensor is an elastic capacitor.

In the biological information measurement clothing according to the present invention, the electrocardiographic electrodes measure electrical signals from the wearer's body, and the elasticity sensor measures the wearer's respiratory condition. By strictly defining the positions of the electrocardiographic measurement electrodes and the elastic sensor with respect to the clothing, both the electrical signals from the wearer's body and the wearer's respiratory state can be accurately measured.

FIG. 1 is a plan view showing a first embodiment of a biological information measuring garment according to the present invention. FIG. 1(a) is a plan view showing the front surface of the front body of the garment. 1(b) is a plan view of the garment shown in FIG. 1(a) turned inside out to show the surface of the front body on the skin side. FIG. 2 is a plan view showing a second embodiment of the biological information measurement clothing according to the present invention. FIG. 3 is a plan view showing a third embodiment of the biological information measurement clothing according to the present invention.

A garment for measuring biological information according to the present invention includes a front body fabric, electrocardiographic measurement electrodes arranged on the surface of the front body fabric facing the skin, and a side opposite to the skin side of the front body fabric. and a stretchable sensor disposed on the surface of the The lowest point of the stretchable sensor is higher than the highest point of the electrode for electrocardiogram measurement in the length direction of the front body fabric. This makes it possible to accurately measure both electrical signals from the body and respiratory conditions. That is, by arranging the electrocardiographic electrodes so as to avoid the pituitary region while reducing the influence of myoelectricity from the pectoral muscles, it is possible to accurately measure electrical signals from the body. By arranging the elastic sensor on the upper side, it is possible to accurately capture the change in the chest circumference due to the wearer's breathing, and to accurately measure the wearer's respiratory condition.

The front body fabric is the fabric that makes up the front body of the garment. Knitted fabrics, woven fabrics, non-woven fabrics, etc. may be mentioned as the fabric for the front body, and these may be used alone or in combination of two or more. Of these, knitted fabrics are preferred. Knitted fabrics are highly elastic and therefore comfortable to wear. Knitted fabrics include weft knitted fabrics and warp knitted fabrics. The weft knitted fabric includes a circular knitted fabric. Weft knitted fabrics (circular knitted fabrics) include, for example, jersey knitting (flat knitting), bare jersey knitting, welted jersey knitting, milling knitting (rubber knitting), pearl knitting, single bag knitting, smooth knitting, tuck knitting, float knitting, and single knitting. Examples include hem knitting, lace knitting, and additional hair knitting. Examples of warp knitted fabrics include single denby knitting, open denby knitting, single atlas knitting, double cord knitting, half knitting, half base knitting, satin knitting, single tricot knitting, double tricot knitting, half tricot knitting, single Russell knitting, Examples include double Russell knitting and jacquard knitting. Examples of woven fabrics include woven fabrics formed by plain weave, twill weave, satin weave, and the like. Moreover, the woven fabric is not limited to a single woven fabric, and may be a multiple woven fabric such as a double woven fabric or a triple woven fabric. The front body fabric may be formed in a mesh shape.

The fiber material that makes up the front body fabric is not particularly limited, and includes natural fibers and chemical fibers. Examples of natural fibers include cotton, wool, hemp, and the like. Chemical fibers include, for example, nylon, acrylic, polyester, and polyurethane. Each of these may be used alone, or may be blended at any ratio.

The garment of the present invention has a front body and a back body, and the fabric constituting the back body (hereinafter sometimes referred to as back body fabric) may be a knitted fabric, a woven fabric, a non-woven fabric, etc., like the front body fabric. can be used. The type of back body fabric may be the same as or different from the front body fabric. Being the same makes it more comfortable to wear. Moreover, by making them different, for example, the stretchability, hygroscopicity, breathability, etc. of the front body fabric and the back body fabric can be changed, resulting in better wearing comfort. The back body fabric may be formed in a mesh shape.

The fiber material that makes up the back body fabric is not particularly limited, and includes natural fibers and chemical fibers. The fibrous material forming the back body fabric may be the same as or different from the fibrous material forming the front body fabric.

Electrocardiographic electrodes are arranged on the skin-side surface of the front body fabric. When the electrode surfaces of the electrodes come into direct contact with the wearer's skin, electrical signals from the wearer's body can be measured, and biological information can be measured. As biological information, information such as electrocardiogram, heart rate, pulse rate, blood pressure, body temperature, myoelectricity, perspiration, etc., can be obtained by calculating and processing electrical signals obtained by the electrodes in the electronic unit. Among these, the one in which electrocardiographic information is recorded as a waveform is called an electrocardiogram. An electrocardiogram is generally recorded as a waveform in which time is plotted on the horizontal axis and potential difference is plotted on the vertical axis. A waveform appearing on an electrocardiogram for each heartbeat is mainly composed of five typical waves, namely, P wave, Q wave, R wave, S wave, and T wave, and U wave also exists. Also, the beginning of the Q wave to the end of the S wave is sometimes called the QRS wave. Among these waves, it is preferable to provide electrodes capable of detecting R waves. The R wave indicates the excitation of both the left and right ventricles and is the wave with the largest potential difference. Heart rate can also be measured by providing an electrode capable of detecting R waves. That is, the time from the peak of the R wave to the peak of the next R wave is generally called the RR interval (seconds), and the heart rate per minute can be calculated based on the following formula. In this specification, the R wave also includes the QRS wave unless otherwise specified.
Heart rate (beats/min) = 60/RR interval

As the electrocardiographic measurement electrode, a known electrode can be used, and it is preferable that it has elasticity. By having stretchability, it can follow the wearer's movement and improve the measurement accuracy. The number of electrocardiographic measurement electrodes is at least two, and may be three or more. Although the upper limit of the number of electrodes is not particularly limited, it is, for example, 15 or less.

It is preferable to extend the electrocardiogram electrodes in the width direction of the fabric of the front body. The electrocardiogram measurement electrodes may also be arranged in the body length direction of the front body fabric. In this case, it is preferable that the electrocardiogram measurement electrodes are arranged in the body width direction downward. This makes it easier for the electrodes to come into close contact with the wearer's skin, improving the measurement accuracy of electrical signals from the body.

A stretch sensor is placed on the side of the front body fabric that faces the skin and on the opposite side. As a result, the wearer's breathing condition can be measured as the wearer's biological information. The respiratory state of the wearer is, for example, the respiratory rate and the respiratory depth, and the stability of the wearer's breathing and the like can be measured based on the respiratory rate and the respiratory depth per unit time.

The stretchable sensor is not particularly limited as long as it is a sensor that can measure changes in the chest circumference based on the wearer's breathing due to stretching, and the stretching of the stretchable sensor can measure the wearer's breathing condition. Stretchable sensors include, for example, those provided with stretchable capacitors. A stretchable capacitor is an element whose capacitance changes due to expansion and contraction, and the respiratory state of the wearer can be measured using the change in the capacitance. The stretchable sensor preferably has at least a capacitor element whose capacitance changes with stretching and a skin contact electrode. The capacitor element whose capacitance changes due to expansion and contraction is a capacitor-type element having at least a structure in which at least a first stretchable conductor layer, an stretchable dielectric layer, and a second stretchable conductor layer are laminated in this order. is preferred. The skin contact surface of the skin contact electrode is preferably an elastic conductor layer. Details of the stretchable sensor can be referred to, for example, Japanese Patent Application Laid-Open No. 2019-072048.

In the garment of the present invention, the elastic sensor and the electrocardiographic electrodes are arranged such that the lowest point of the elastic sensor is above the highest point of the electrocardiographic electrode in the length direction of the fabric of the front body. It is The lowest position of the stretch sensor means the lowest position in the length direction of the fabric of the front body for the stretch sensor arranged on the garment. When a plurality of elasticity sensors are arranged, it means the lowest point position of the elasticity sensor arranged at the highest position with respect to the length direction of the fabric of the front body. The position of the highest point of the electrocardiographic measurement electrode means the highest position of the electrocardiographic electrode arranged on the clothing in the length direction of the fabric of the front body. In the case where a plurality of electrocardiographic electrodes are arranged, it means the highest point of the electrocardiographic electrodes arranged at the lowest position in the length direction of the fabric of the front body. As a result, both the electrical signal from the wearer's body and the respiratory state can be accurately measured.

It is preferable that the distance y between the lowest point position of the stretchable sensor and the highest point position of the electrocardiographic measurement electrode and the width z of the stretchable sensor in the lateral direction satisfy the relationship of the following formula (1). . The distance y is a straight line that passes through the lowest point of the elastic sensor and is drawn parallel to the width of the garment, and a straight line that passes through the highest point of the electrocardiogram electrode and is drawn parallel to the width of the garment. means the shortest distance between The width z in the lateral direction of the stretchable sensor means the width of a portion parallel to the body width direction in the long portion of the stretchable sensor.
y≦3×z (1)

By making the length of the distance y equal to three times the length of the width z or shorter than three times the length of the width z, Since both can be arranged near the wearer's chest, for example, both the electrical signal from the wearer's body and the respiratory state can be measured with high accuracy. The distance y between the lowest point position of the stretchable sensor and the highest point position of the electrocardiographic measurement electrode, and the width z of the stretchable sensor in the lateral direction preferably satisfy the relationship of the following formula (2). Preferably, it is more preferable to satisfy the relationship of the following formula (3).
y≦2×z (2)
y≦1.5×z (3)

It is preferable that the stretch sensor is arranged in an area between 7 cm above and 9 cm below the line connecting the armpit positions of the left and right armholes of the garment. Since this area is close to the ribcage, which fluctuates during breathing, the wearer's respiratory condition can be accurately measured by arranging the elastic sensor in this area. It is more preferable that the elastic sensor is arranged below the line connecting the armpit positions of the left and right armholes of the garment at a position lower than 5 cm above the line, and further preferably below a position at a position 3 cm above the line. . It is more preferable to arrange the stretch sensor above the line connecting the armpit positions of the left and right armholes of the garment at a position higher than 7 cm below, and more preferably above a position at 5 cm below. .

It is preferable that the electrocardiographic measurement electrodes are arranged in a region below a position 5 cm below the line connecting the armpit positions of the left and right armholes of the garment. By arranging the electrocardiographic electrodes in this area, it is possible to avoid placing the electrocardiographic electrodes on the pit and pectoral muscles, so noise entering from the pit and pectoral muscles can be reduced, and the wearer's It can accurately measure electrical signals from the body. It is more preferable that the electrodes for electrocardiogram measurement are arranged in a region below the position 7 cm below the line connecting the armpit positions of the left and right armholes of the clothing, and below the position 9 cm below the line. It is more preferable to arrange it in a region. The electrodes for electrocardiogram measurement are preferably arranged above the line connecting the armpit positions of the left and right armholes of the clothing at a position higher than 15 cm below, more preferably above a position at 13 cm below. preferable.

The maximum width of the electrocardiographic measurement electrodes in the width direction of the front body fabric is preferably 30 to 80% of the width of the front body fabric. Since the maximum width of the electrocardiographic measurement electrodes is 30% or more of the width of the front body fabric, electrical signals from the wearer's body can be stably measured even when the wearer moves. The maximum width of the electrocardiographic measurement electrodes is more preferably 40% or more, more preferably 50% or more, of the width of the front body fabric. Although the upper limit of the maximum width of the electrocardiographic measurement electrodes is not particularly limited, the measurement accuracy hardly changes even if the electrodes are arranged over the entire width of the front body fabric, and providing the electrodes over a wide range increases the cost. . Therefore, the maximum width of the electrocardiographic measurement electrodes is preferably 80% or less, more preferably 70% or less, and still more preferably 60% or less of the width of the front body fabric. The maximum width of the electrocardiographic electrode means the length connecting one end and the other end of the electrocardiographic electrode.

The elasticity sensor may be arranged so that the longitudinal direction of the elasticity sensor and the width direction of the front body fabric intersect, or the longitudinal direction of the elasticity sensor and the width direction of the front body fabric are orthogonal. However, it is preferable that the longitudinal direction of the elastic sensor and the width direction of the front body material are parallel to each other. This makes it easier for the elastic sensor to detect changes in the chest circumference according to the wearer's breathing, so that the wearer's breathing condition can be measured with high accuracy. The longitudinal direction of the elastic sensor and the width direction of the front body fabric are preferably parallel, but they may be substantially parallel. It may be -10° to +10°.

The stretch sensor may be arranged so that the center position of the stretch sensor in the longitudinal direction is the same as the center position of the width of the front body fabric, or the center position of the width of the front body fabric. Although it may exist on the armhole side, it is preferable to exist on the left armhole side rather than the central position of the body width of the front body material. As a result, the stretchable sensor is arranged at a position closer to the heart, so that the wearer's respiratory condition can be measured with high accuracy.

The length of the stretchable sensor in the longitudinal direction means the shortest distance connecting one end and the other end of the stretchable sensor, and the central position in the longitudinal direction of the stretchable sensor means the distance between one end and the other end of the stretchable sensor. It is the position where the length connecting the ends is half.

The elastic sensor may be fixed to the front body fabric, but it is preferable that it is detachable from the front body fabric. This allows the stretch sensor to be removed when washing the clothes, thus preventing damage to the stretch sensor. In addition, when the clothing is damaged and cannot be worn, or when the electrocardiographic electrodes arranged on the clothing are damaged, the elastic sensor can be attached to another clothing and used.

It is preferable to use an engaging member to make the elastic sensor detachable from the front body fabric. Examples of engaging members include hook-and-loop fasteners [eg, Velcro (registered trademark), Free Velcro (registered trademark), Velcro (registered trademark), etc.], self-adhering tapes, buttons, hooks, magnets, and the like. mentioned. Among these, hook-and-loop fasteners or self-adhesive tapes are preferred.

The engaging member may be arranged over the entire surface of the stretchable sensor, or may be arranged on a part (for example, end) of the stretchable sensor.

The elastic sensor may be placed on the belt-shaped fabric. When the elastic sensor is arranged on the belt-like fabric, for example, the longitudinal direction of the elastic sensor and the longitudinal direction of the belt-like fabric are preferably parallel. Since the expansion and contraction of the belt-like fabric and the expansion and contraction of the stretchable sensor are thereby synchronized, the measurement accuracy of biometric information can be improved. The longitudinal direction of the elastic sensor and the longitudinal direction of the belt-shaped fabric are preferably parallel, but they may be substantially parallel. ° to +10°.

When the stretch sensor is placed on the belt-shaped fabric, the strip-shaped fabric on which the stretch sensor is placed may be fixed to the front body fabric, but the strip-shaped fabric on which the stretch sensor is placed must be detachable from the front body fabric. is preferred. As a result, the belt-shaped fabric can be removed when washing the clothes, so damage to the elastic sensor can be prevented. In addition, when the clothing is damaged and cannot be worn, or when the electrocardiographic electrodes attached to the clothing are damaged, the belt-shaped fabric on which the elastic sensor is attached can be used by attaching it to another clothing.

It is preferable to use an engaging member in order to detach the belt-shaped fabric with the stretchable sensor from the front body fabric. Examples of engaging members include hook-and-loop fasteners [eg, Velcro (registered trademark), Free Velcro (registered trademark), Velcro (registered trademark), etc.], self-adhering tapes, buttons, hooks, magnets, and the like. mentioned. Among these, hook-and-loop fasteners or self-adhesive tapes are preferred. The engaging member may be arranged over the entire surface of the belt-shaped cloth, or may be arranged on a part of the belt-shaped cloth.

When the elastic sensor is arranged on the belt-shaped fabric, the elastic sensor may be fixed to the belt-shaped fabric, or it may be detachable from the belt-shaped fabric. As a result, the stretchable sensor can be prevented from being damaged because it can be removed when washing the belt-shaped fabric. In addition, if the belt-shaped fabric is damaged and cannot be used, the elastic sensor can be attached to another belt-shaped fabric and used.

It is preferable to use an engaging member to make the elastic sensor detachable from the belt-shaped fabric. Examples of engaging members include hook-and-loop fasteners [eg, Velcro (registered trademark), Free Velcro (registered trademark), Velcro (registered trademark), etc.], self-adhering tapes, buttons, hooks, magnets, and the like. mentioned. Among these, hook-and-loop fasteners or self-adhesive tapes are preferred. The engaging member may be arranged over the entire surface of the stretchable sensor, or may be arranged on a part (for example, an end) of the stretchable sensor.

The length of the belt-shaped fabric on which the stretch sensor is placed is not particularly limited, and may be the same as the length of the stretch sensor or longer than the length of the stretch sensor.

The form of the belt-shaped fabric on which the elastic sensors are arranged may be long, but it is preferably circular. The annular shape allows the belt-shaped fabric to be arranged over the entire chest circumference of the wearer, making it easier to fix the belt-shaped fabric at a predetermined position.

When arranging the stretchable sensor on the annular belt-shaped fabric, it is preferable that the front body fabric of the garment has a holder for holding the belt-shaped fabric.

For example, a belt loop can be used as a holder. The belt loops are fixed to the front body fabric at upper and lower positions in the body length direction of the front body fabric, and are not fixed to the front body fabric at left and right positions. An opening is formed by the front body material and a belt loop fixed to the front body material, and the belt-like material can be fixed at a predetermined position by passing the belt-like material through this opening.

The belt loops can be sewn and fixed to the front body fabric, or they can be fixed without sewing. By fixing by non-sewing, the sewing thread does not penetrate the front body fabric, so that the degree of freedom in layout design of the electrocardiographic measurement electrodes, wiring, etc. arranged on the skin-side surface of the front body fabric is increased. The belt loops can be fixed without sewing, for example, with an adhesive, a hot-melt agent, or the like.

The number of holders provided around the chest circumference of the garment is not particularly limited as long as it is one or more, and may be two or more, or may be three or more. Although the upper limit of the number of holders is not particularly limited, it may be, for example, 10 or less, 8 or less, or 6 or less.

When the belt-shaped fabric on which the elastic sensor is arranged is ring-shaped, it is preferable to provide the belt-shaped fabric with a length adjusting means. By adjusting the length of the belt-like fabric, the belt-like fabric can be brought into close contact according to the wearer's chest circumference, and the belt-like fabric can be prevented from slipping even when the wearer moves, increasing the accuracy of measuring biological information of the body. be able to.

Examples of length adjusting means include hook-and-loop fasteners [e.g., magic tape (registered trademark), free magic tape (registered trademark), Velcro (registered trademark), etc.], self-adhering tapes, buttons, hooks, magnets, Buckles, koki (rucksack cans, adjusters), etc. can be used. These may be used alone or in combination of two or more. Among these, hook-and-loop fasteners or self-adhesive tapes are preferred.

The number of length adjusting means arranged on the belt-shaped fabric is not particularly limited, and may be one or two or more. A plurality of length adjusting means may be provided on the belt-like fabric, and a length adjusting auxiliary belt may be arranged between the length adjusting means. As a result, even if the wearer has a large chest circumference, it is possible to use the belt-like fabric with the stretch sensor by adding the length adjustment auxiliary belt.

As for the band-shaped fabric, knitted fabric, woven fabric, non-woven fabric, etc. can be mentioned, as with the front body fabric. The belt-like fabric may be formed in a mesh shape.

The fiber material that makes up the belt-shaped fabric is not particularly limited, and includes natural fibers and chemical fibers. Examples of natural fibers include cotton, wool, hemp, and the like. Chemical fibers include, for example, nylon, acrylic, polyester, and polyurethane. Each of these may be used alone, or may be blended at any ratio. The fibrous material composing the band-shaped fabric may be the same as or different from the fibrous material composing the front body fabric and/or the fibrous material composing the back body fabric. By using a fiber material that is more elastic than the fiber material that constitutes the front body fabric and the fiber material that constitutes the back body fabric as the fiber material that constitutes the belt-shaped fabric, the measurement accuracy of biometric information can be further improved. can.

The width of the belt-shaped fabric is not particularly limited, but if the width is too narrow, the belt-shaped fabric may dig into the body and cause discomfort to the wearer. The width of the belt-like fabric is, for example, preferably 2 cm or more, more preferably 3 cm or more, and even more preferably 4 cm or more. The upper limit of the width of the belt-like fabric is not particularly limited, either.

In the front body fabric, a stretch sensor different from the above stretch sensor (hereinafter referred to as an auxiliary stretch sensor) is placed below the highest point position of the electrocardiographic measurement electrode in the length direction of the front body fabric. ) may be placed.

As the auxiliary stretchable sensor, the same stretchable sensor as described above can be used, and there is no particular limitation as long as it is a sensor that can measure the wearer's respiratory state by stretching, for example, a sensor that includes a stretchable capacitor. mentioned.

It is preferable that the area where the auxiliary elastic sensor is arranged and the area where the electrocardiographic electrodes are arranged do not overlap.

The auxiliary stretch sensor is arranged, for example, on the side of the garment (that is, the connection position between the front body fabric and the back body fabric) so that the longitudinal direction of the auxiliary stretch sensor and the length direction of the front body fabric are parallel. is preferred.

The longitudinal direction of the auxiliary stretch sensor and the length direction of the front body fabric are preferably parallel, but they may be substantially parallel. may be -10° to +10°. Further, an auxiliary stretch sensor may be arranged so that the longitudinal direction of the auxiliary stretch sensor and the width direction of the front body fabric are parallel to each other. The longitudinal direction of the auxiliary stretch sensor and the width direction of the front body fabric are preferably parallel, but they may be substantially parallel. may be -10° to +10°.

The form of the clothing of the present invention is not particularly limited. ), nightwear, etc. Among these, T-shirts, tank tops, sports underwear, underwear, and underwear are preferred, and T-shirts and underwear are preferred. When the garment has sleeves, it may have short sleeves, half sleeves, three-quarter sleeves, long sleeves, or the like, and the shape of the sleeves may be raglan sleeves.

Next, an embodiment of the biological information measurement clothing according to the present invention will be described with reference to the drawings. The present invention is not limited by the drawings, and it is of course possible to make modifications within the scope of the above and later descriptions, all of which are included in the technical scope of the present invention. . Also, the dimensions of various members in the drawings may differ from the actual dimensions. For convenience of explanation, there are cases in which the reference numerals of members and the like are omitted in each drawing, the configuration is shown in a simplified or schematic form, or a part of the configuration is omitted. Moreover, in each figure, the same reference numerals are given to the same configurations, and the same description will not be repeated.

FIG. 1 shows a first embodiment of the clothing for measuring biological information according to the present invention, showing a tank top on which electrodes 4 for electrocardiographic measurement and elastic sensors 2 are arranged. FIG. 1(a) is a plan view showing the front surface of the front body of the garment, and FIG. 1(b) shows the surface of the front body on the skin side (that is, the skin side of the front body) by turning the garment shown in FIG. 1(a) inside out. , back surface of the front body fabric). As shown in FIG. 1(a), a stretch sensor 2 is arranged on the front body fabric 1 of the garment on the side opposite to the skin side of the front body fabric 1, and FIG. 1(b). 2, electrodes 4 for electrocardiogram measurement are arranged on the surface of the front body fabric 1 on the skin side. In FIG. 1B, the electrocardiographic measurement electrodes 4 are provided with two electrodes extending in the width direction of the front body fabric 1 and one electrode extending in the length direction of the front body fabric 1. One end of each electrode is connected to the skin contact 4b. The skin pad 4b is a cushion material, and between the skin pad 4b and the front body fabric 1, wires connected to each electrode are arranged. ) is connected to the connecting member 4a shown in FIG. Straight line A shown in FIG. 1(a) indicates a straight line drawn parallel to the width direction of the garment passing through the lowest point position of the elasticity sensor, and straight line B shown in FIG. A straight line drawn parallel to the width direction of the garment passing through the highest points of the electrodes for electrocardiogram measurement is shown. Let the shortest distance between the straight lines A and B be the distance y between the lowest point position of the elastic sensor and the highest point position of the electrode for electrocardiogram measurement. z shown in FIG. 1(a) indicates the width of the elastic sensor 2 in the lateral direction.

At the end of the elastic sensor 2, a connecting member 2a is provided for a transmitter (not shown) that transmits data detected by the elastic sensor 2 to a receiver. A clasp, for example, can be used as the connection member 2a. The elastic sensor 2 and the transmitter can be electrically connected via the clasp. The clasp may be, for example, a metal snap hook, preferably a stainless steel snap hook. The transmitter and receiver may be connected by wire, but are preferably connected wirelessly.

Engaging members (not shown) are arranged on the back surfaces of the one end 2b and the other end 2c of the stretchable sensor, and the engaging members are opposite to the surface of the front body fabric 1 on the skin side. The elastic sensor 2 can be detachably attached to the surface of the front body fabric 1 opposite to the skin side by engaging with the engaging member 3b and the engaging member 3c provided on the side surface. It is In addition, in FIG. 1, the example which arranged the hook-and-loop fastener as the engaging

members

3b and 3c was shown.

A connection member 4a with a transmitter (not shown) for transmitting data detected by the electrocardiographic electrodes 4 to a receiver is provided on the surface of the front body fabric 1 opposite to the skin side. ing. A clasp, for example, can be used as the connection member 4a. The lead wires of the electrocardiographic measurement electrodes 4 and the transmitter can be electrically connected via the clasp. The clasp may be, for example, a metal snap hook, preferably a stainless steel snap hook. The transmitter and receiver may be connected by wire, but are preferably connected wirelessly.

A receiver for receiving data detected by the elastic sensor 2 and a receiver for receiving data detected by the electrocardiographic electrodes 4 may be prepared separately, but they should be combined into one receiver. is preferred.

FIG. 2 shows a second embodiment of the biological information measurement clothing according to the present invention, and shows a men's bra in which electrocardiographic measurement electrodes 4 and elasticity sensors 2 are arranged. FIG. 2 is a plan view of the garment viewed from the front body side. Electrocardiographic measurement electrodes 4 are arranged on the skin-side surface of the front body fabric 1 of the clothing shown in FIG. Two downwardly extending electrodes are provided. A skin pad 4b (not shown) is arranged on the skin-side surface of the front body fabric 1, as shown in FIG. 1(b). A stretch sensor 2 is arranged on the front body fabric 1 of the garment on the side opposite to the skin side face of the front body fabric 1.例文帳に追加Engaging members (not shown) are arranged on the back surfaces of the one end 2b and the other end 2c of the stretchable sensor, and the engaging members are opposite to the surface of the front body fabric 1 on the skin side. The elastic sensor 2 can be detachably attached to the surface of the front body fabric 1 opposite to the skin side by engaging with the engaging member 3b and the engaging member 3c provided on the side surface. It is In addition, in FIG. 2, the example which arranged the hook-and-loop fastener as the engaging

members

3b and 3c was shown.

FIG. 3 shows a third embodiment of the garment for measuring biological information according to the present invention, showing a tank top on which electrodes 4 for electrocardiographic measurement and elastic sensors 2 are arranged. FIG. 3 is a plan view of the garment viewed from the front body side, and in FIG. That is, an engaging member (not shown) is arranged on the back surface of each of the one end 2b and the other end 2c of the stretchable sensor, and the engaging member is attached to the front surface of the annular band-shaped fabric 11. The elastic sensor 2 is configured to be detachable from the front surface of the annular belt-shaped fabric 11 by engaging with the engaging member 3b (not shown) and the engaging member 3c provided in the .

An engaging member (not shown) is arranged on the back surface of one end 11a of the annular belt-shaped cloth 11, and the engagement member and the front surface of the other end of the annular belt-shaped cloth 11 are connected to each other. Annular band-shaped fabric 11 is arranged around the wearer's ribcage by engaging with the arranged engaging members 3d. In addition, in FIG. 3, the example which arranged the hook-and-loop fastener as the engaging

members

3c and 3d was shown.

The front body fabric 1 is provided with a holder 12 that holds an annular band-shaped fabric 11 to the front body fabric 1 . The holders 12 shown in FIG. 3 are belt loops and are fixed to the front body fabric 1 at upper and lower positions in the body length direction of the front body fabric 1 . As shown in FIG. 3, the annular belt-shaped fabric 11 is passed through the opening formed by the front body fabric 1 and the belt loops fixed to the front body fabric 1, so that it is attached to the front body fabric 1. retained.

This application claims the benefit of priority based on Japanese Patent Application No. 2021-128597 filed on August 4, 2021. The entire contents of the above Japanese Patent Application No. 2021-128597 are incorporated herein by reference.

1 front body fabric 2 stretchable sensor 2a connecting member 2b one end of stretchable sensor 2c other end of

stretchable sensor

3b, 3c, 3d engaging member 4 electrode for electrocardiogram measurement

4a connecting member

4b skin contact 11 annular band-shaped cloth 11a One end of the annular belt-shaped fabric 12 Holder A Straight line passing through the lowest point position of the elastic sensor B Straight line passing through the highest point position of the electrode for electrocardiography

Claims

A garment for measuring biological information,
front body fabric,
Electrocardiographic measurement electrodes arranged on the skin-side surface of the front body fabric;
a stretch sensor arranged on the surface opposite to the skin side surface of the front body fabric,
The garment for measuring biological information, wherein the lowest point position of the elastic sensor is higher than the highest point position of the electrode for electrocardiographic measurement in the length direction of the front body fabric.
The garment for measuring biological information according to claim 1, wherein the center position of the stretchability sensor in the longitudinal direction exists on the left armhole side of the center position of the body width of the front body fabric.
The garment for measuring biological information according to claim 1, wherein the stretch sensor is arranged so that the longitudinal direction of the stretch sensor and the width direction of the front body fabric are parallel.
The garment for measuring biological information according to claim 1, wherein the stretch sensor is detachable from the front body fabric.
The stretch sensor is arranged in a region from 7 cm above to 9 cm below a line connecting the armpit positions of the left and right armholes of the clothing,
2. The garment for measuring biological information according to claim 1, wherein the electrodes for electrocardiogram measurement are arranged in a region below a position 5 cm below a line connecting armpit positions of left and right armholes of the garment. .
a distance y between the lowest point position of the elastic sensor and the highest point position of the electrocardiographic measurement electrode;
2. The garment for measuring biological information according to claim 1, wherein the width z of the elastic sensor in the lateral direction satisfies the relationship of the following formula (1).
y≦3×z (1)
The garment for measuring biological information according to claim 1, wherein the maximum width of the electrocardiographic measurement electrodes in the width direction of the front body fabric is 30 to 80% of the body width of the front body fabric.
The elastic sensor is arranged on a belt-shaped fabric,
The longitudinal direction of the elastic sensor and the longitudinal direction of the band-shaped fabric are parallel,
2. The garment for measuring biological information according to claim 1, wherein said belt-shaped fabric is detachable from said front body fabric.
The garment for measuring biological information according to claim 8, wherein the strip-shaped fabric is annular, and the front body fabric has a holder that holds the annular strip-shaped fabric to the front body fabric.
2. The garment for measuring biological information according to claim 1, wherein said stretchable sensor is a stretchable capacitor.