CN108652617A - Bioelectrode, bioelectrode unit and bioelectrode packet - Google Patents

Abstract

To provide a bioelectrode etc. which has a function of securing a correct position and is inconspicuous when placed. A biological electrode for biological information measurement includes: an electrode main body; a placement part, which allows the electrode main body to be placed on a living body; and a covering part, which is attached to the electrode main body or the placement part and is removed before biological information measurement. In addition, first information capable of identifying the placement position of the bioelectrode is attached to the covering portion.

Description

Bioelectrodes, Bioelectrode Units and Bioelectrode Packages

technical field

The present invention relates to bioelectrodes and the like for measuring biological information, and more particularly, to bioelectrodes and the like that ensure the function of being able to be placed at a correct position and are inconspicuous when placed.

Background technique

Conventionally, in electrocardiogram measurement and the like, bioelectrodes that are placed on the skin of a subject to obtain biometric information are used. Usually, in electrocardiogram measurement, a plurality of (for example, 5) bioelectrodes need to be respectively placed on the determined positions of the subject according to the examination content.

Regarding the placement position of the bioelectrode, the following Patent Document 1 proposes to show the placement position on the main body of the bioelectrode ( FIGS. 1 and 2 ). In addition, the following Patent Document 2 shows that a mark defining a placement position is marked on an electrode.

prior art literature

patent documents

Patent Document 1: Japanese Patent Application Laid-Open No. 4-35640

Patent Document 2: Specification of US Patent Application Publication No. 2003/3153840

Contents of the invention

The problem that the present invention intends to solve

However, in the case of 24-hour measurement using a Holter electrocardiograph, etc., since the subject has to carry out daily life with the bioelectrode placed, the display of the placement position as described above becomes conspicuous and difficult to install. Problems like bad sex. For the subject, it is preferable to make the placed bioelectrodes as inconspicuous as possible. In particular, since there are few clothes worn in summer, it is not desirable that the characters and signs indicating the placement position be too conspicuous.

Therefore, a main object of the present invention is to provide a bioelectrode or the like capable of ensuring a function of being placed at a correct position and being placed inconspicuously.

solutions to problems

In order to achieve the above object, a biological electrode for measuring biological information according to one aspect of the present invention includes: an electrode body; a placement part, which allows the electrode body to be placed on a living body; and a covering part, attached to the electrode body or the electrode body. The mounting part is removed before biological information measurement, and first information for identifying the mounting position of the bio-electrode is attached to the covering part.

Using this side surface, first information capable of identifying the placement position of the bioelectrode is attached to the covering portion, and the wearer can use this information to reliably place the bioelectrode. In addition, since the covering part is removed before the measurement of biological information, the display of the first information disappears during the measurement, and the appearance of the biological electrode can be made inconspicuous, and the mountability of the subject can be improved.

Further objects and features of the present invention can be understood from the embodiments of the invention described below.

Description of drawings

FIG. 1 is a schematic perspective view of an embodiment example of a bioelectrode, a bioelectrode unit, and a bioelectrode pack to which the present invention is applied.

FIG. 2 is a plan view showing an example of the bioelectrode 1 .

FIG. 3 is a cross-sectional view showing an example of the bioelectrode 1 .

FIG. 4 is an exploded view showing an outline of an example of the bioelectrode 1 .

FIG. 5 is a diagram showing an example of the placement position explanatory diagram 41 .

FIG. 6 is a diagram exemplifying how the cover film 12 is peeled off.

FIG. 7 is a diagram showing an example of information displayed on the cover film 12 and the label 15 .

Description of tags

1: Bioelectrode

2: Wire

3: Connector terminal

4: storage bag

10: Peel off film

11: Place the tape

12: Cover film

13: Place glue

14: Electrode components

15: label

16: double-sided tape

41: Illustration of placement position

10: Bioelectrode unit

200: Bioelectrode package

X: 1st information

Y: 2nd information

Z: 3rd information

Detailed ways

Hereinafter, embodiments of the present invention will be described with reference to the drawings. However, this embodiment example does not limit the technical scope of the present invention. In addition, in the figure, the same code|symbol or reference sign is attached|subjected to the same or similar element, and it demonstrates.

FIG. 1 is a schematic perspective view of an embodiment example of a bioelectrode, a bioelectrode unit, and a bioelectrode pack to which the present invention is applied. The covering film 12 (covering part) that is removed after the bioelectrode 1 according to the present invention shown in FIG. Z), realize the function of ensuring that it can be placed in the correct position and the bioelectrode is unobtrusive when placed.

The bioelectrode 1 is an electrode for measuring biological information, and in the present embodiment, it is an electrode placed on the chest of a subject for use in measuring a dynamic electrocardiogram. As shown in FIG. 1 , in this embodiment example, a case where measurement is performed using five bioelectrodes 1 is assumed as an example. Each of the five bioelectrodes 1 can be separated from each other at the position indicated by the dotted line A in FIG. 1, and placed at a predetermined position of the subject after being separated.

After each bio-electrode 1 is placed on the subject, it detects the electrocardiogram signal of the subject, and these electrocardiogram signals are sent through each wire 2 connected to each bio-electrode at one end. As shown in FIG. 1 , the other ends of the five wires 2 are respectively connected to connector terminals 3 . The connector terminal 3 is a portion connected to a not-shown recording device, and the electrocardiogram signal transmitted by each lead wire 2 is transmitted to the recording device via the connector terminal 3 and stored (recorded) in the recording device.

When measuring an electrocardiogram, five bioelectrodes 1 , five lead wires 2 and connector terminals 3 are required for one subject, and these are collectively referred to as a bioelectrode unit 100 here.

Before use, the bioelectrode unit 100 is stored in the storage bag 4 shown in FIG. It is referred to herein as a bioelectrode pack 200 . In addition, this bioelectrode pack 200 is treated as one product. In addition, the placement position explanatory drawing 41 is shown (described) on the surface of the storage bag 4 . The content of Fig. 41 will be explained for the placement position described later.

Next, the structure of the bioelectrode 1 will be described. FIG. 2 is a plan view showing an example of the bioelectrode 1 . FIG. 3 is a cross-sectional view showing an example of the bioelectrode 1 . In addition, FIG. 4 is an exploded view showing the outline of an example of the bioelectrode 1 . In addition, FIG. 2 is a view of the bioelectrode 1 viewed from the surface opposite to the surface placed on the subject. In addition, FIG. 3 is a cross-sectional view cut along a plane perpendicular to the paper surface of FIG. 2 passing through the center point of the bioelectrode 1 in FIG. 2 and extending in the vertical direction. In addition, in FIGS. 3 and 4 , the lower side is the side that comes into contact with the subject during placement. Hereinafter, the direction toward the subject's side when the bioelectrode 1 is placed on the subject is referred to as "downward", and the opposite direction is referred to as "upward". Therefore, the surface facing "downward" of each part is called "lower surface", and the surface facing "upward" is called "upper surface".

Hereinafter, a single bioelectrode 1 will be described based on FIGS. 2-4 , but five bioelectrodes 1 have the same structure and configuration.

As shown in FIGS. 2-4 , the bioelectrode 1 includes a peeling film 10 , a placement tape 11 , a cover film 12 , a placement gel 13 , an electrode element 14 and a label 15 . The release film 10 (covering portion) is a resin film that is removed when the bioelectrode 1 is placed on the subject, and is provided at the bottom. As shown in FIG. 3 , the release film 10 contacts and covers the lower surfaces of the placement tape 11 and the placement gel 13 until it is placed on the subject to prevent them from drying. The release film 10 also prevents the adhesive placement tape 11 from wrinkling and sticking in place.

The placement tape 11 (placement portion) is a tape for fixing (pasting) the bioelectrode 1 to the subject's body (skin) when the bioelectrode 1 is placed, and has a hollow circular shape as shown in FIG. 4 . The lower surface of the adhesive tape 11 is adhesive, and is directly pasted on the subject's skin after the release film 10 is removed.

The cover film 12 is a film covering the upper surface of the bioelectrode 1 , more specifically, the upper surface of the mounting tape 11 , and has a hollow circular shape as shown in FIGS. 2 and 4 . The cover film 12 is pasted on the upper side of the placement tape 11 until the bioelectrode 1 is placed on the subject, as shown in Figures 2 and 3, and is removed before the measurement after the bioelectrode 1 is placed on the subject. down (peel off). Therefore, when measuring the electrocardiogram, the cover film 12 is removed.

In addition, as shown in FIG. 2 , predetermined information (X, Z in FIG. 2 ) is displayed (attached) on the cover film 12 . The predetermined information is information enabling the installer of the bioelectrode 1 to recognize the placement position of the bioelectrode 1 , and its specific content will be described later.

In addition, the cover film 12 may have a reinforcing effect of the mounting tape 11, preventing the mounting tape 11 from being wrinkled or the like until it is mounted on the bioelectrode 1 . In addition, the cover film 12 is pasted around the entire circumference of the adhesive tape 11 in this embodiment example, but the shape of the cover film 12, the pasting position and the pasting range on the upper surface of the tape 11 are not limited thereto, and it may also be partially covered. Place the shape of the tape 11.

The placement gel 13 (placement part) is a part that contacts the subject's skin when the bioelectrode 1 is placed, and transmits the electromotive force generated by the subject's heart to the electrode element 14 . Therefore, the mounting gel 13 is made of conductive and adhesive glue, and is disposed between the upper surface of the release film 10 and the lower surface of the electrode element 14 as shown in FIGS. 3 and 4 . When the bioelectrode 1 is placed on the subject, since the release film 10 is removed, the lower surface of the placement gel 13 is close to (contacting) the subject's skin, and the upper surface of the placement gel 13 is in contact with the electrode element 14. contact with the lower surface.

The electrode element 14 detects the electromotive force transmitted from the placement gel 13 as an electrocardiogram signal, and transmits the electrocardiogram signal to the above-mentioned recording device via the lead wire 2 . As shown in FIGS. 3 and 4 , the electrode element 14 is located on the upper surface of the gel 13 and includes disc-shaped materials.

The label 15 (label portion) is a covering seal of the electrode element 14 covering the upper surface of the electrode element 14 . The label 15 has a substantially circular shape as shown in FIGS. 2 and 4 , and is attached to the upper surface of the electrode element 14 . In addition, as shown in FIG. 2 , predetermined information (Y in FIG. 2 ) is displayed (attached) on the label 15 . The content of this predetermined information Y will be described later.

As shown in FIG. 3 , the double-sided adhesive tape 16 is a hollow adhesive tape that is pasted on the upper surface of the mounting tape 11 and the lower surface of the electrode element 14 .

The bioelectrode 1 according to the present embodiment having the structure described above is characterized in that predetermined information X, Z is written on the cover film 12; As for the expression method, the specific content thereof will be described below.

First, the placement positions of the five bioelectrodes 1 included in the bioelectrode unit 100 will be described. FIG. 5 is a diagram showing an example of the placement position explanatory diagram 41 . When measuring an electrocardiogram, a bipolar electrode method of leading a potential difference between two electrodes is known as a lead method for observing the electrical activity of the heart. In the bipolar electrode method, there are NASA lead, CC5 lead, CM5 lead, etc. according to its characteristics, and in each of these leads, two bioelectrodes 1 are used as bipolar (two-channel). And, the placement positions of the two bioelectrodes 1 that serve as these bipolar (two-channel) are determined in advance for each lead.

In (A), (B) and (C) of FIG. 5 , the placement positions of five bio-electrodes 1 are respectively shown for the three measurement methods frequently used in the dynamic electrocardiogram measurement. Fig. 5(A) is the case of using the measurement method of NASA lead and CM5 lead, Fig. 5(B) is the case of using the measurement method of CC5 lead and CM5 lead, and Fig. 5(C) It is a case using the measurement method of the NASA lead and the CC5 lead and the CM5 lead.

In Fig. 5, "NASA" indicated by D indicates the lead method, "orange" indicated by F indicates the placement position of the bioelectrode 1 and the color for identifying the placement position, and E indicated below it indicates the lead method. The indications such as "CH2+" indicate the channel name.

As an example, in (A) of Figure 5, as the CM5 lead, 2 bioelectrodes 1 are respectively used as channel "CH1-" and channel "CH1+"; as the NASA lead, 2 bioelectrodes 1 are respectively used as Used as channel "CH2-" and channel "CH2+", the remaining one bioelectrode 1 is used as "N" (neutral electrode). The same is true in (B) and (C) of FIG. 5 .

In addition, in FIG. 5 , the portion indicated by C represents the chest of the subject. 41 shows (recorded) the storage bag 4 shown in FIG. 1 .

Next, the procedure for placing the bioelectrode 1 on the subject will be described. Usually, an installer other than the inspected person performs installation. First, the installer separates one bioelectrode 1 to be placed from the other bioelectrodes 1 . Next, the installer peels off a large portion of the release film 10 . As shown in FIG. 2 , the peeling film 10 has a cut at the position of the line indicated by B, and divides it into an upper part and a lower part. The large portion of the release film 10 refers to its lower portion in FIG. 2 .

After that, the installer identifies the placement position using the information X, Z, etc. shown on the cover film 12, and pastes the bioelectrode on the placement position of the subject. Next, the installer peels off a small portion of the remaining release film 10 (the upper part of the release film 10 in FIG. 2 ).

Then, the installer finally peels off the cover film 12 . FIG. 6 is a diagram exemplifying how the cover film 12 is peeled off. The cover film 12 has one cut in the radial direction of the circle, as shown by G in FIG. 6 , and the installer peels off the cover film 12 sequentially in the direction of the arrow H in FIG. Thus, the information X, Z displayed thereon are removed together with the cover film 12 .

Next, the information displayed (written) on the cover film 12 and the label 15 will be described. FIG. 7 is a diagram showing an example of information displayed on the cover film 12 and the label 15 . In (A)-(E) of FIG. 7 , information displayed on the five bioelectrodes 1 included in the bioelectrode unit 100 is shown respectively. In addition, in the example shown in FIG. 7, five bioelectrodes 1 on which the information shown in (A)-(E) are described are provided as one set.

As shown in FIGS. 2 and 7 , predetermined information X (hereinafter referred to as first information) is displayed (described) on the cover film 12 . The first information is information that can identify the placement position of the bioelectrode 1 (subject), for example, includes the lead name (the name of the lead method), the channel name or the color (not the name of the color but the color) assigned to the placement position. itself) at least 1 piece of information.

In addition, the first information is displayed (written) on the cover film 12 at a position corresponding to (corresponding to) the placement position of the subject. Specifically, when the upper surface (hollow circle) of the cover film 12 is used as the subject's placement area (chest, C in FIG. information.

In the example shown in FIG. 7 , in the case of (A) in FIG. 7 , in order to use the bioelectrode 1 as a neutral electrode N, at the lower left position corresponding to its placement position, the channel name “N” The characters are displayed together with a black filled area (first information Xa in FIG. 7 ) previously assigned to the placement position. The lower left position roughly corresponds to the placement position of the neutral electrode N when the subject is viewed from the front, as shown in FIG. 5(A) to FIG. 5(C).

In addition, in the case of (B) of FIG. 7 , in such a manner that the bioelectrode 1 is used as the channel CH2- of the NASA lead or the CC5 lead, the characters of the lead names "NASA" and "CC5" are displayed respectively. At the upper left and lower left positions corresponding to the placement positions, orange filled areas previously allocated to these placement positions are simultaneously displayed (first information Xb1 and Xb2 in FIG. 7 ). In other words, it is shown that when the bioelectrode 1 is used for the NASA lead, it is placed in the upper left position ((A) of FIG. 5 ), and when the bioelectrode 1 is used for the CC5 lead The case is placed at the lower left position (Fig. 5(B) and Fig. 5(C)).

Next, the first information (the first information Xc1, Xc2, Xd, and Xe in FIG. 7) is similarly displayed for the cases of (C)-(E) in FIG. 7 . In this way, in the example shown in FIG. 7 , since the placement positions of the five bioelectrodes 1 are different, the content of the first information attached to each bioelectrode 1 is different from each other.

In addition, as shown in (B) and (C) of FIG. 7, one bioelectrode 1 can display a plurality of first information corresponding to a plurality of lead methods for one bioelectrode 1. And different lead methods are used for the electrodes.

Next, as shown in FIGS. 2 and 7 , predetermined information Y (hereinafter, referred to as second information) is displayed (described) on the label 15 . The second information is information capable of identifying the placement position of the bioelectrode 1 (subject), for example, the channel name of the bioelectrode 1 . In the example shown in FIG. 2, the case where the bioelectrode 1 is used as the channel "CH2-" is shown.

The surface (upper surface) of the label 15 serving as the background of the second information is painted in a color close to the color of the subject's skin. For example skin color.

In addition, the second information is displayed in a range narrower than the display range of the first information, and is displayed in characters smaller than the characters used in the first information.

In addition, in the display of the second information, an inconspicuous color (for example, a color with low saturation) is used compared with the color used in the display of the first information.

In addition, the second information is displayed on the lower portion of the label 15 (the lower portion of the label 15 in FIGS. 2 and 7 , in other words, the lower end) in a state where the subject is placed and the subject is standing. For example, it is preferable that the vertical direction in this state is displayed within the range of the lower third of the label 15 .

In addition, as shown in (C) of FIG. 7 etc., the second information can also display a plurality of second information corresponding to a plurality of lead methods on one bioelectrode 1 .

In the example shown in FIG. 7 , in the case of (A), in such a way that the bioelectrode 1 is used as the neutral electrode N, the text of the channel name "N" uses the skin color as the background, and in the label 15 The lower part is displayed with characters smaller than the characters of the first information (second information Ya in FIG. 7 ).

Next, in the case of (B)-(E) of FIG. 7 , the second information (the second information Yb, Yc, Yd, and Ye of FIG. 7 ) is equally displayed.

In addition, as shown in FIGS. 2 and 7 , predetermined information Z (hereinafter referred to as third information) is displayed (described) on the cover film 12 . The 3rd information is the information that can identify the installation position of this bioelectrode 1 (subject), specifically, the 3rd information uses the symbol (F in FIG. etc.) to represent the corresponding signs. In addition, the third information is displayed in the same position as the first information in the cover film 12 . That is, the third information is also displayed at the place corresponding to the placement position of the bioelectrode 1 .

In the example shown in FIG. 2 and FIG. 7, the third information is displayed near the first information using the same symbol as that used in the placement position description diagram 41.

As shown in Fig. 2 and Fig. 7, as an example, the third information uses the color assigned to the placement position of the bioelectrode 1 (the color contained in the above-mentioned first information) as the background, and can include a name indicating the color. The text of the circular logo to express.

In the case of (A) in FIG. 7 , a mark (Za in FIG. 7 ) in which the character “black” is written in a black circle is displayed next to the first information (Xa in FIG. 7 ). Next, in the case of (B)-(E) of FIG. 7 , the third information (third information Zb, Zc, Zd, and Ze of FIG. 7 ) is equally displayed.

In addition, the third information may not be displayed. Similarly, although it is preferable to display the second information, it may not be displayed.

In addition, the above-mentioned colors used for the first information and the third information may be assigned to each bioelectrode 1 , and five colors different from each other are assigned to each bioelectrode 1 . Therefore, this color is the color for identifying the placement position and the bio-electrode 1 .

In addition, one set (five) of bioelectrodes 1 shown in FIG. 7 displays the first information, the second information, and the third information, and can be used in any of the three measurement methods described based on FIG. 5 .

In addition, in the above-mentioned embodiment, the bioelectrode unit 100 includes five bioelectrodes 1, but the number of bioelectrodes 1 included in the bioelectrode unit 100 is not limited thereto, and of course it can be determined according to the number of lead methods used in measurement, etc. change.

In addition, in the above-mentioned embodiment, although the first information and the third information are displayed on the cover film 12, the first information and the third information may also be displayed on different parts, that is, when the bioelectrode 1 is placed, it may be attached to the bioelectrode. 1. Parts that are removed after placement, for example showing the release film 10 .

In addition, as another example, a seal attached to the upper surface of the label 15 and peeled off before measurement may be included, and the first information and the third information are marked on the seal. In addition, in a bioelectrode in which the electrode element 14 itself has the same function as the label 15 but does not have the label 15 , the same seal may be pasted on the upper surface of the electrode element 14 .

When marking the first information and the third information on parts other than the cover film 12, the display content and display method of these information may be the same as those in the above-mentioned embodiment.

In addition, in the above-mentioned embodiment and its modifications, the electrode element 14 and the label 15 or the electrode element 14 correspond to the "electrode body" described in the technical solution, and the placement tape 11 and the placement gel 13 correspond to the "electrode body" described in the technical solution. The "placement part", the release film 10, the cover film 12 or the seal marked with the first information and the third information correspond to the "cover part" described in the technical solution.

As described above, in the bioelectrode 1, the bioelectrode unit 100, and the bioelectrode pack 200 according to the present embodiment, since the information (first information) capable of identifying the placement position of the bioelectrode 1 is displayed when measuring the electrocardiogram Removed covering film 12, therefore, the installer can reliably (accurately) place it according to the information, and can make the information display disappear during the measurement and make the bioelectrode 1 inconspicuous, so the placement property of the subject can be improved .

In addition, at least one of the lead name, the channel name, and the color identifying the placement position/bioelectrode 1 is included as the first information, so that the wearer can easily judge (recognize) the placement position.

In addition, since the first information is displayed at a position corresponding to the placement position of the cover film 12, the installer can more easily judge (recognize) the placement position.

In addition, since a plurality of information corresponding to a plurality of lead methods can be included in the first information, the same bioelectrode unit 100 can be used in a plurality of measurement methods, and the product types of the bioelectrode pack 200 can be suppressed to a minimum. Therefore, it is possible to reduce costs in terms of manufacturing and management.

In addition, since the second information that can identify the placement position of the bioelectrode 1 is displayed on the label 15 that is not removed after placement, the placement position of the bioelectrode 1 can be confirmed immediately before or during measurement.

In addition, since the second information is displayed on the lower part of the bioelectrode 1 when the subject is placed in the state, the display of the second information is easily hidden by clothing when the subject is placed on the upper part of the chest, so that the bioelectrode can be 1 inconspicuous.

In addition, since the second information is displayed smaller than the first information, the bioelectrode 1 can also be made inconspicuous from this point of view.

Furthermore, by making the label 15 a color close to the skin and making the second information a color with low saturation, the bioelectrode 1 can be made less conspicuous.

In addition, since the third information that can identify the placement position of the bioelectrode 1 is displayed on the cover film 12 with the same mark as that shown in Fig. 41 for explaining the placement position of the storage bag 4, a plurality of pieces of information can be displayed on the placement position, and it can be compared with The bioelectrode 1 is reliably placed regardless of the skill of the installer.

In addition, in this embodiment example, a case where the bioelectrode 1 is used for electrocardiogram measurement is described, but the present invention can also be applied to a bioelectrode used for other measurement in which the subject places the bioelectrode and performs measurement.

The protection scope of the present invention is not limited to the above-mentioned embodiments, but includes the inventions described in the technical solution and their equivalents.

Claims (12)

1. A bioelectrode is a bioelectrode for biological information measurement, It is characterized in that, The bioelectrodes include: Electrode body; a mounting part that mounts the electrode main body in a living body; and the covering part, which is attached to the electrode main body or the placement part, is removed before biological information measurement, First information capable of identifying the placement position of the bioelectrode is attached to the covering portion. 2. The bioelectrode as claimed in claim 1, characterized in that, The placement part includes an adhesive tape, The cover part includes a cover film attached to a surface of the adhesive tape opposite to a surface facing the living body, and the first information is attached to the cover film. 3. The bioelectrode as claimed in claim 1 or 2, characterized in that, The first information includes at least one of a channel name, a lead name, or a color identifying the placement position. 4. The bioelectrode according to any one of claims 1 to 3, characterized in that, The first information is attached at a position corresponding to the placement position. 5. The bioelectrode according to any one of claims 1 to 4, characterized in that, The first information includes a plurality of pieces of information corresponding to a plurality of lead methods. 6. The bioelectrode according to any one of claims 1 to 5, characterized in that, further, The electrode main body has a label portion on a surface opposite to a surface facing the living body, Second information capable of identifying the placement position of the bioelectrode is attached to the label portion. 7. The bioelectrode as claimed in claim 6, characterized in that, The second information is attached to an end of the label. 8. The bioelectrode as claimed in claim 6 or 7, characterized in that, The second information is attached to a range narrower than that of the first information. 9. The bioelectrode according to any one of claims 1 to 8, characterized in that, Attached to the covering portion is third information, which is information capable of identifying the placement position of the bioelectrode corresponding to the mark indicating the bag containing the bioelectrode. 10. A bioelectrode unit, characterized in that, comprising: The first bioelectrode is the bioelectrode according to any one of claims 1 to 9; The second bioelectrode is the bioelectrode according to any one of claims 1 to 9; A first wire, one end of which has been connected to the first bioelectrode; a second lead wire, one end of which is connected to said second bioelectrode; and The connector terminal is connected to the other end of the first lead wire and the other end of the second lead wire. 11. The bioelectrode unit according to claim 10, wherein, The first information attached to the first bioelectrode is different from the first information attached to the second bioelectrode. 12. A bioelectrode pack, characterized in that, comprising: The bioelectrode unit of claim 10 or 11; and The storage bag accommodates the bioelectrode unit.