Electroencephalogram electrode
An EEG and electrode technology, applied in the field of EEG electrodes, can solve problems such as high requirements
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Embodiment 1
[0027] Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings described in the specification, illustrations may be appropriately simplified in order to make the drawings easier to read, or the proportions and positions of parts of components may be different from those of actual specifications.
[0028] figure 1 It is a perspective view of the electroencephalogram electrode 1 of the first embodiment. figure 1 The shown +Y direction substantially coincides with the direction in which the electrode is in contact with the subject's scalp (hereinafter, this direction is referred to as an approximate contact direction).
[0029] The EEG electrode 1 has: a connection part 8 protruding in the -Y direction; a bottom 3 on which the electrode metal 2 and the connection part 8 are placed; a plurality of barb parts 4 from the bottom 3 on elongated in the +Y direction (approximate contact direction with respect to the subject);...
Embodiment 2
[0054] The EEG electrode 1 of Example 2 is characterized in that the ring-shaped wall 5 can be folded when pressed. Regarding the electroencephalogram electrode 1 of the present embodiment, points different from Embodiment 1 will be described below.
[0055] Figure 7A and 7B It is a perspective view showing the appearance of the electroencephalogram electrode 1 of this embodiment. like Figure 7A As shown, the annular wall 5 has a stepped shape (a shape including a plurality of steps). When the EEG electrode 1 is to be attached to the subject's head, the operator presses (presses) the electrode from the -Y direction to the +Y direction. A part of the step constituting the annular wall 5 is deformed by this pressing, thereby being folded. Figure 7B The folded shape is shown.
[0056] exist Figure 7B In the example of , the annular wall 5 is folded such that the uppermost step portion of the annular wall 5 is accommodated in the next upper step. When folding is perfor...
Embodiment 3
[0066] The EEG electrode 1 of Example 3 is characterized in that the annular wall 5 is made of sponge. Regarding the electroencephalogram electrode 1 of the present embodiment, points different from Embodiment 1 will be described below.
[0067] Figure 9 It is a perspective view showing the appearance of the electroencephalogram electrode 1 of this embodiment. The annular wall 5 is composed of a hollow columnar sponge having, for example, a thickness of about 5 mm (thickness from −X direction to +X direction) and a height of about 10 mm (height from −Y direction to +Y direction). In the embodiment, six barb members 4 are provided. In an embodiment, the barb member 4 elongates from the bottom 3 towards the +Y direction and at the same time towards the outside (in the direction approaching the annular wall 5 ). That is, the barb member 4 expands while forming an angle, and approaches the annular wall 5 as it moves in the +Y direction.
[0068] The barb member 4 may be made ...
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