Biological signal monitoring wear
A biological signal monitoring wear includes: a plurality of electrodes; an electrically connecting unit configured to electrically connect a biological signal measurement instrument to the electrodes; and a wear main body to which the electrically connecting unit is detachably attached. The electrically connecting unit includes: a sheet electrical insulator having flexibility; a plurality of electrode connectors formed on a first surface of both surfaces of the electrical insulator, the electrode connectors configured to connect the respective electrodes; an instrument connector formed on a second surface of both surfaces of the electrical insulator, the instrument connector configured to detachably connect the biological signal measurement instrument; and an electrical conductor formed in the electrical insulator, the electrical conductor configured to electrically connect the electrode connectors to the instrument connector.
1. A biological signal monitoring garment comprising:
a plurality of electrodes configured to contact skin of a subject;
a garment main body configured to be worn by the subject, the garment main body including:
a front body torso portion;
a back body torso portion provided with a band-shaped elastic body; and
a fabric backing sheet having a non-elastic structure, the fabric backing sheet being provided in the front body torso portion, and
a sheet electrical insulator having flexibility, the electrical insulator being configured to be detachably attached to the front body torso portion to interpose the fabric backing sheet between the electrical insulator and the front body torso portion, wherein
the electrical insulator has a back surface and a front surface, the back surface facing the skin of the subject and the front surface being away from the skin when the garment main body is worn by the subject,
a plurality of electrode connectors to which the plurality of electrodes are connected to input a biological signal of the subject are arranged in the back surface of the electrical insulator,
an instrument connector configured to output the biological signal that is input to the plurality of electrode connectors is arranged in the front surface of the electrical insulator, and
an electrical conductor configured to electrically connect the plurality of electrode connectors to the instrument connector is arranged in the electrical insulator.
2. The biological signal monitoring garment according to claim 1 , further comprising a fabric member covering the back surface of the electrical insulator other than the electrode connectors.
3. The biological signal monitoring garment according to claim 1 , wherein the electrodes comprise an electrically conductive fiber structural body.
4. The biological signal monitoring garment according to claim 3 , wherein the electrodes each are composed of a nanofiber having a fiber diameter of 10 nm or more to 5000 nm or less.
5. The biological signal monitoring garment according to claim 1 , wherein the electrodes each comprise an electrically conductive sheet having an adhesion strength of 200 g/20 mm or less, the adhesion strength being measured with a 90-degree peel-off method in accordance with JIS-Z0237.
6. The biological signal monitoring garment according to claim 1 , wherein
the front body torso portion includes first side tabs at both ends of the front body torso portion, the first side tabs including a first joint portion,
the back body torso portion includes second side tabs at both ends of the back body torso portion, the second side tabs including a second joint portion to which the first joint portion is detachably connected, and
the front body torso portion and the back body torso portion are annularly connected to each other when the first joint portion is connected to the second joint portion.
7. The biological signal monitoring garment according to claim 6 , wherein
the back body torso portion is stretchable and a hollow band,
the elastic body is incorporated into the back body torso portion in a longitudinal direction of the back body torso portion, and
the elastic body is arranged between the second side tabs.
8. The biological signal monitoring garment according to claim 7 , wherein the fabric backing sheet includes an instrument connector hole corresponding to the instrument connector.
9. The biological signal monitoring garment according to claim 1 , wherein
the back body torso portion is integrated with the elastic body,
the elastic body includes hooks at both ends of the elastic body,
the front body torso portion has a bag-shaped structure having an opening, the bag-shaped structure storing the electrical insulator through the opening,
the front body torso portion includes a loop tape including a plurality of loops to which the hooks are detachably attached, and
the plurality of loops are equally spaced in a longitudinal direction of the front body torso portion.
10. The biological signal monitoring garment according to claim 9 , wherein
the front body torso portion includes a belt loop, and
the elastic body is connected to the front body torso portion when the elastic body passes through the belt loop and the hooks are hanged to the plurality of loops.
11. The biological signal monitoring garment according to claim 9 , wherein the fabric backing sheet is attached to an inner surface of the front body torso portion.
12. The biological signal monitoring garment according to claim 9 , wherein the front body torso portion include:
a plurality of electrode holes corresponding to the plurality of electrodes; and
an instrument connector hole corresponding to the instrument connector.
13. The biological signal monitoring garment according to claim 12 , wherein
the belt loop is a pair of belt loops at both ends of the front body torso portion,
the loop tape is a pair of loop tapes that are arranged between the pair of belt loops, and
the instrument connector hole is arranged between the pair of loop tapes.