JPH10179530A - Disposable electrode and manufacture thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number of parts of a disposable electrode for the storage thereof and allow the disposable electrode to be easily handled. SOLUTION: A conductive and pressure sensitive adhesive gel layer 6 is formed on rectangular released paper 1 to the required shape, and an electrode 5 is held on the gel layer 6. Also, the gel layer 6 and the electrode 5 are covered with a tape 7 having a pressure sensitive adhesive and, then, the tape 7 is bonded to the released paper 1. During the storage of the electrode 5, both ends 1a and 1b of the released piper 1 are folded inside so as to conceal the tape 7, the electrode 5 and the pressure sensitive adhesive gel layer 6. Also, both sides of both ends 1a and 1b are heat sealed to a released paper body 1c.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disposable electrode for detecting a biological signal and a method for manufacturing the same, and more particularly, to a disposable electrode which can be easily stored in a simple packaging form and a method for manufacturing the same.

[0002]

2. Description of the Related Art FIGS. 7 to 9 show an example of a conventional disposable electrode and its packaging method. In FIG. 7, a release paper 1 holding a disposable electrode (hereinafter, simply referred to as an electrode) is formed in a band shape, and cut lines 2 are provided at regular intervals in a width direction. And a release paper 1 partitioned by a cut line 2
The electrodes are respectively held. The strip-shaped release paper 1 is housed in a vertically long packaging bag 3, and an entrance 4 of the packaging bag 3 is hermetically sealed.

FIGS. 8 and 9 show the structure of the electrode 5 held on the release paper 1 separated through the cutout line 2. FIG. Release paper 1
A tape 7 with an adhesive is provided thereon via a conductive adhesive gel layer 6.
Is glued. The adhesive tape 7 is composed of a lower layer 7a and an upper layer 7b, and the central portion is laminated. The base 5a of the electrode 5 is held on the release paper 1 via the adhesive gel layer 6, and the tip 5b protrudes outward from between the lower layer 7a and the upper layer 7b of the adhesive tape 7.

When the above-mentioned electrode 5 is used, the release paper 1 is peeled off from the adhesive gel layer 6, and a tape 7 with an adhesive is attached to the surface of the skin of the subject via the adhesive gel layer 6. In this state, the base end 5a of the electrode 5 is also in contact with the skin surface via the adhesive gel layer 6. By connecting the tip 5b of the electrode 5 to a measuring instrument via a lead wire (not shown), a biological signal can be detected.

[0005]

However, according to the conventional electrode configured as described above, in order to package the release paper 1 holding the electrode 5, the packaging bag 3 as a separate member is required.
And the number of parts increases. Also, when the electrode is used, the release paper 1 is pulled out of the packaging bag 3,
Must be separated along the line, and the handling is troublesome. Further, after the packaging bag 3 is opened, the release paper 1 holding the electrodes 5 remaining in the packaging bag 3 comes into contact with air.
There was a problem that the adhesive gel layer 6 easily dried. Another disadvantage is that a separate member such as a fixing tape is required in order to fix the lead wire to the skin when the electrode is used and to prevent wobble.

[0006] The present invention has been made in view of such circumstances, and an object of the present invention is to provide a disposable electrode capable of reducing the number of parts and facilitating handling, and a method of manufacturing the same.

[0007]

In order to achieve the above object, a disposable electrode according to claim 1 comprises a release paper cut into a rectangular shape and a conductive adhesive gel formed in a predetermined shape on the release paper. A layer, an electrode held on the adhesive gel layer, and a tape with an adhesive that is adhered on the release paper and covers the adhesive gel layer and the electrode, and folds both ends in the longitudinal direction of the release paper, It is characterized in that both sides in the transverse direction are sealed and the adhesive gel layer, the electrode and the tape with adhesive are hermetically packaged.

[0008] The disposable electrode according to claim 2 is for fixing a lead wire connected to the electrode to a living body when detecting a biological signal using the electrode in parallel with the tape with the adhesive on the release paper. Characterized in that another adhesive tape is mounted.

The method of manufacturing a disposable electrode according to claim 3, wherein a first step of forming a conductive adhesive gel layer having a predetermined shape at regular intervals on a surface of a strip-shaped release paper; A second step of folding one end in the width direction inward along the longitudinal direction, and bonding one end of each of the electrodes onto the adhesive gel layer, and connecting the other end of each of the electrodes to the folded one end of the release paper. And a fourth step of covering the adhesive gel layer and the electrode with an adhesive tape, and adhering the adhesive tape on the release paper, and a width of the release paper. A fifth step of folding the other end of the direction inward along the longitudinal direction and covering the adhesive tape and the electrode, and the release paper having both ends in the width direction folded inward in the longitudinal direction. Between the adhesive tapes glued at intervals And having a sixth step of sealing in the width direction of the release paper body, and a seventh step of cutting and separating the release paper along the sealing portion.

In the disposable electrode according to the first aspect and the manufacturing method according to the third aspect, the adhesive gel layer, the electrode and the tape with the adhesive are hermetically covered with a release paper during storage.
The packaging bag conventionally required can be eliminated. Further, since the electrodes are separated one by one and held tightly by a release paper, the adhesive gel layer does not dry during storage. Further, at the time of use, the electrode can be peeled off from the release paper with one touch, so that the handling becomes easy.

In the disposable electrode according to the second aspect, since a tape with an adhesive for fixing the lead wire during use is mounted on the release paper, another member such as a tape for fixing the lead wire is prepared. No need.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the disposable electrode of the present invention will be described below with reference to the drawings. In these drawings, portions corresponding to those of the conventional example shown in FIG. 8 are denoted by the same reference numerals, and description thereof will be omitted as appropriate.

FIGS. 1 and 2 show the configuration of an embodiment of the present invention. In FIG. 1, a substantially rectangular conductive adhesive gel layer 6 is formed at the center of the surface of the release paper 1 cut into a substantially rectangular shape. At the center in the width direction of the adhesive gel layer 6, one end of an electrode 5 in which a conductive material is applied to one surface of a strip-shaped sheet by a method such as vapor deposition is held in parallel with the longitudinal direction of the adhesive gel layer 6. On the surface of the release paper 1, an adhesive tape 7 covering the adhesive gel layer 6 and the electrode 5 is adhered. The width of the pressure-sensitive adhesive tape 7 is wider than the width of the pressure-sensitive adhesive gel layer 6, and one end of the pressure-sensitive adhesive gel layer 6 and the electrode 5 protrudes outside one side in the width direction of the pressure-sensitive adhesive tape 7.

FIG. 2 shows a state in which the electrodes 5 are wrapped with the release paper 1. The right end of the release paper 1 shown in FIG.
The inside is folded along. One end 1a of the folded release paper 1 covers the portion of the adhesive gel layer 6 protruding from the adhesive tape 7, and the portion of the electrode 5 protruding from the adhesive tape 7 is placed on one end 1a of the release paper 1. It is placed. The one end 1b on the left side of the release paper 1 shown in FIG.
And an adhesive gel layer 6 and an electrode 5 projecting outward from one side of the adhesive tape 7. Further, the folded both ends 1a and 1b of the release paper 1 are sealed along the sealing lines 13 on both sides in the width direction of the release paper 1 shown in FIG. Is done.

When the disposable electrode packaged as described above is used, the folded both ends 1a and 1b of the release paper 1 are used.
From the main body 1c, and the tape 7 with the adhesive and the electrode 5
Is removed from the release paper 1 together with the adhesive gel layer 6 and taken out. Next, as shown in FIG. 3, the adhesive tape 7 and the electrode 5 are attached to the surface of the subject's living body 14 via the adhesive gel layer 6, and the electrode 5 protruding from the adhesive tape 7 is clipped with the clip 15. Pinch. Then, the biological signal is sent to a measuring device (not shown) via a lead wire 16 connected to the clip 15.

According to the present embodiment, the adhesive gel layer 6, the electrode 5, and the adhesive tape 7 are hermetically covered with the release paper 1 at the time of storage. Can be reduced. In addition, since the disposable electrodes are individually sealed and held by the release paper 1, the adhesive gel layer 6 does not dry during storage. Further, at the time of use, the electrode can be peeled off from the release paper 1 with one touch, and handling becomes easy. Moreover, as shown in FIG. 3, the clip 15 can be fixed by adhering the clip 15 to the surface of the living body 14 through the adhesive gel layer 6, and noise is generated by the swing of the clip 15 during measurement. Can be prevented.

FIGS. 4 and 5 show the structure of another embodiment of the present invention. In the present embodiment, as shown in FIG. 4, one end on the left side of the adhesive tape 7 in the figure is extended and elongated, and between the portion 7a and the extended portion 7b shown in the first embodiment. Perforations 17 were provided in the width direction. In this case, the length of the release paper body 1c and the folded one end 1b on the left side is increased, and the release paper 1 is used to make the tapes 7a, 7
b, so that the electrode 5 and the adhesive gel layer 6 can be covered.

In the above embodiment, after the adhesive tape 7 and the electrode 5 are peeled off from the release paper 1 together with the adhesive tape layer 6 and taken out, the adhesive tape 7 is separated into two parts 7a, 7b by perforations 17. Then, a rectangular tape 7b with an adhesive as shown in FIG. 5 is taken out. Then, when the disposable electrode is mounted on the skin surface of the living body 14 as shown in FIG. 3, the lead wire 16 is fixed to the living body 14 by the tape 7b with an adhesive.

According to the present embodiment, the conventional lead 16
In order to prevent the generation of noise due to wobble, a separate member such as a tape for fixing the lead wire 16 to the living body 14 was prepared, but there was no need for this, and there was an adhesive placed on the release paper 1. Lead wire 1 using a portion 7b of tape 7
6 can be fixed.

In the above embodiment, the adhesive tape 7
Is described in which the perforations 17 are provided to separate the tape 7 into 7a and 7b.
a and 7b may be separated and adhered in close proximity to the release paper.

Next, a method for manufacturing a disposable electrode according to the present invention will be described with reference to FIG. In the first step,
As shown in (a), a conductive gel is poured into the surface of the strip-shaped release paper 1 using a mold, and a substantially rectangular conductive adhesive gel layer 6 is formed at regular intervals. Next, in the second step, one end 1a in the width direction of the release paper 1 is folded inward along the folding line 11 formed in the longitudinal direction, as shown in FIG. Next, in a third step, one end of the electrode 5 on the left side in the figure is adhered to the adhesive gel layer 6 as shown in FIG. 1
a.

Next, in a fourth step, as shown in (d), the left side of the adhesive gel layer 6 and the electrode 5 in the figure are respectively covered with an adhesive tape 7 coated with an adhesive on one entire surface. The adhesive tape 7 is adhered onto the release paper 1 via an adhesive. Next, in the fifth step, the other end 1b in the width direction of the release paper 1 is folded inward along the fold line 12 formed in the longitudinal direction as shown in FIG. 7 and the electrode 5. Next, in a sixth step, as shown in (f), both ends 1a and 1b in the width direction are formed.
Is sealed to the release paper main body 1c in the width direction by a method such as heat sealing between the adhesive tapes 7 adhered at regular intervals in the longitudinal direction. In the step (1), the separation is performed along the sealing line 13 at the center in the width direction of the sealing portion 18 of the release paper 1. Thus, disposable electrodes wrapped one by one with the release paper 1 are obtained.

[0023]

As described above, according to the disposable electrode according to the first aspect and the method for producing the same according to the third aspect, the adhesive gel layer, the electrode and the adhesive tape which is an adhesive tape at the time of storage. Since the tape is hermetically covered with the release paper, the packaging bag conventionally required is not required, and the number of members can be reduced. In addition, since the disposable electrodes are sealed and held one by one with release paper, the adhesive gel layer does not dry during storage. Further, at the time of use, the electrode can be peeled off from the release paper with one touch, so that the handling becomes easy.

According to the disposable electrode of the second aspect,
Since a tape with an adhesive for fixing the lead wire connected to the electrode to the living body at the time of use is placed on the release paper, there is no need to prepare a separate member such as a tape for fixing the lead wire.

[Brief description of the drawings]

FIG. 1 is a developed plan view showing a configuration of an embodiment of a disposable electrode according to the present invention.

FIG. 2 is a sectional view showing a state where both ends of the release paper of FIG. 1 are folded.

FIG. 3 is a sectional view showing a use state of the electrode of FIG. 1;

FIG. 4 is a sectional view showing the configuration of another embodiment of the disposable electrode of the present invention.

FIG. 5 is a plan view showing another tape with an adhesive in FIG. 4;

FIG. 6 is an explanatory view showing one example of a method for manufacturing a disposable electrode of the present invention.

FIG. 7 is a plan view showing an example of a packaging state of a conventional disposable electrode.

FIG. 8 is a plan view showing a configuration of one disposable electrode separated from FIG. 7;

FIG. 9 is a sectional view of FIG. 8;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Release paper 5 Electrode 6,22 Conductive adhesive gel layer 7,21 Tape with adhesive 14 Living body 16 Lead wire

Claims (3)

[Claims] 1. A release paper cut into a rectangular shape, a conductive adhesive gel layer formed in a predetermined shape on the release paper, an electrode held on the adhesive gel layer, and an adhesive on the release paper And a tape with an adhesive covering the adhesive gel layer and the electrode, wherein both ends in the longitudinal direction of the release paper are folded and both sides in the transverse direction are sealed, and the adhesive gel layer, the electrode and the adhesive are provided. A disposable electrode, characterized in that the tape with the adhesive is hermetically packaged. 2. A separate adhesive for fixing a lead wire connected to the electrode to a living body when detecting a biological signal using the electrode, in parallel with the tape with the adhesive on the release paper. 2. A tape mounted thereon, wherein the tape is mounted.
The disposable electrode as described. 3. A first method in which a conductive adhesive gel layer having a predetermined shape is formed at regular intervals on the surface of a strip-shaped release paper.
And a second step of folding one end in the width direction of the release paper inward along the longitudinal direction; and bonding one end of each of the electrodes onto the adhesive gel layer, and peeling off the other end of each of the electrodes. A third step of placing on the folded one end of the paper; and a fourth step of covering the adhesive gel layer and the electrode with an adhesive tape, respectively, and adhering the adhesive tape on the release paper. Fifth, the other end in the width direction of the release paper is folded inward along the longitudinal direction to cover the tape with adhesive and the electrode.
And sealing the release paper, whose both ends in the width direction are folded inward, to the release paper main body in the width direction between the adhesive tapes adhered at regular intervals in the longitudinal direction. And a seventh step of cutting and separating the release paper along the sealing portion. A method for manufacturing a disposable electrode, comprising: