CN220938067U - Support for positioning electroencephalogram cap - Google Patents
Support for positioning electroencephalogram cap Download PDFInfo
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- CN220938067U CN220938067U CN202321468772.9U CN202321468772U CN220938067U CN 220938067 U CN220938067 U CN 220938067U CN 202321468772 U CN202321468772 U CN 202321468772U CN 220938067 U CN220938067 U CN 220938067U
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- 210000003128 head Anatomy 0.000 claims abstract description 35
- 210000003625 skull Anatomy 0.000 claims abstract description 30
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 7
- 210000002454 frontal bone Anatomy 0.000 claims abstract description 4
- 210000000537 nasal bone Anatomy 0.000 claims abstract description 4
- 210000000216 zygoma Anatomy 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 claims abstract description 3
- 229920003023 plastic Polymers 0.000 claims abstract description 3
- 210000002474 sphenoid bone Anatomy 0.000 claims abstract description 3
- 210000003582 temporal bone Anatomy 0.000 claims abstract description 3
- 230000002123 temporal effect Effects 0.000 claims description 42
- 210000001061 forehead Anatomy 0.000 claims description 12
- 238000004070 electrodeposition Methods 0.000 claims description 5
- 210000004761 scalp Anatomy 0.000 claims description 4
- 210000004709 eyebrow Anatomy 0.000 claims description 2
- 210000000624 ear auricle Anatomy 0.000 claims 2
- 210000000103 occipital bone Anatomy 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 210000004556 brain Anatomy 0.000 description 10
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 238000007639 printing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000005013 brain tissue Anatomy 0.000 description 1
- 210000003710 cerebral cortex Anatomy 0.000 description 1
- 238000003759 clinical diagnosis Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 210000002569 neuron Anatomy 0.000 description 1
- 210000001331 nose Anatomy 0.000 description 1
- 210000003455 parietal bone Anatomy 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 210000004873 upper jaw Anatomy 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The utility model relates to the field of electroencephalogram monitoring, in particular to a bracket for positioning an electroencephalogram cap, which comprises a 3D printed head model, wherein the head model comprises an artificial upper skull and an artificial lower skull, the artificial upper skull comprises an artificial frontal bone, a top bone and a occipital bone, the artificial lower skull comprises an artificial lacrimal bone, a nasal bone, a cheekbone, an upper jawbone, a lower jawbone, a temporal bone and a sphenoid bone, the artificial upper skull and the artificial lower skull are integrally formed, two opposite sides of the artificial lower skull are provided with hangers, the head model is provided with a first connecting wire and a second connecting wire, the first connecting wire baseline is a connecting wire between a nasal root and an external occipital tuberosity, the second connecting wire is a connecting wire between the bottoms of the two hangers, and the head model is made of plastic. The utility model can improve the accuracy of electrode positioning and obtain accurate electroencephalogram signals.
Description
Technical Field
The utility model relates to the field of electroencephalogram monitoring, in particular to a bracket for positioning an electroencephalogram cap.
Background
The brain electrical signal is the overall effect of the electrical activity of a large number of brain nerve cells in a highly coherent state on the cerebral cortex, and the brain electrical signal is collected by using electrodes arranged on the scalp and amplified by brain electrical detection equipment and recorded on special paper, so that a graph and a curve with a certain waveform, amplitude, frequency and phase, namely an electroencephalogram can be obtained. When the pathology or the function of brain tissue is changed, the brain electrical signal is correspondingly changed, thereby providing basis for brain research, physiological nerve research, clinical diagnosis and rehabilitation therapy.
When the electroencephalogram signal is collected, an electroencephalogram cap with a plurality of electrodes is sleeved on the head of a person to be detected for detection, and the accuracy of the electroencephalogram signal can be affected by the positions of the electrodes.
When the electroencephalogram cap is produced at present, the electroencephalogram cap is sleeved in a corresponding bracket to position an electrode, the conventional bracket is mainly based on a wooden head die used for a clothing model, the size of an electroencephalogram test area of the head die is manually measured, then the position of the electrode is determined on the wooden head die according to a 10-20 electroencephalogram positioning rule, and the electrode is arranged on the electroencephalogram cap.
However, due to the fact that the toughness of wood is poor, the difference between the head shape of the wooden head mould and that of a normal person is large, errors exist in manual measurement, the positioning accuracy of electrodes is poor, and accurate electroencephalogram signals are difficult to obtain.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides the bracket for positioning the electroencephalogram cap, which can improve the positioning accuracy of the electrode and obtain accurate electroencephalogram signals.
The utility model aims to provide a support for positioning an electroencephalogram cap, which comprises a 3D printed head model and is characterized in that the head model comprises an artificial upper skull and an artificial lower skull, the artificial upper skull comprises an artificial frontal bone, a top bone and a occipital bone, the artificial lower skull comprises an artificial lacrimal bone, a nasal bone, a cheekbone, an upper jawbone, a lower jawbone, a temporal bone and a sphenoid bone, the artificial upper skull and the artificial lower skull are integrally formed, hangers are arranged on two opposite sides of the artificial lower skull, a first connecting wire and a second connecting wire are arranged on the head model, a base line of the first connecting wire is a connecting wire between a nasion and an external occipital tuberosity, and the second connecting wire is a connecting wire between the bottoms of the two hangers.
Further, the electrodes on the positioning support are 8-guide, 16-guide, 64-guide, 128-guide or 256-guide.
Further, the electrode on the positioning bracket is 32 leads, the intersection point of the first connecting wire and the second connecting wire on the scalp surface is the position of a central midline electrode, 10% of the forehead extending from the intersection point along the first connecting wire is a forehead midline electrode FPz, and 20% of the forehead extending from the forehead midline electrode FPz along the first connecting wire 4 is an electrode position, which is a forehead midline electrode Fz, a central midline electrode Cz, a top midline electrode Pz and a occipital midline electrode Oz in sequence.
Further, the left anterior auricular concave position is a left medial temporal electrode T3 position, the right anterior auricular concave position is a right medial temporal electrode T4 position, a midpoint of a line between the left medial temporal electrode T3 and the central midline electrode Cz is a left central electrode C3 position, and a midpoint of a line between the right medial temporal electrode T4 and the central midline electrode Cz is a right central electrode C4 position.
Further, the eyebrow arch is the position of a left frontal electrode FP1, a position of a left anterior temporal electrode F7 is 2-3cm below a midpoint of a connection line between the left frontal electrode FP1 and a left middle temporal electrode T3, an intersection point of a connection line between the left anterior temporal electrode F7 and the frontal middle line Fz and a connection line between the left frontal electrode FP1 and the left middle electrode C3 is the position of the left frontal electrode F3, a symmetry point of the left anterior temporal electrode F7 with the first connection line as a symmetry axis is a right anterior temporal electrode F8, and a symmetry point of the left frontal electrode F3 with the first connection line 4 as a symmetry axis is a right frontal electrode F4;
Further, the position of 10% of the length of the first connecting wire at the outer tuberosity of the head is the position of a midline electrode Oz, the midline electrode Oz is the position of a left occipital electrode O1 and the position of a right occipital electrode O2, and the midline electrode Oz is the position of the midline, which moves left and right on the head circumference, by 10% of the length of the first connecting wire 4; the midpoint of the connection between the left medial temporal electrode T3 and the left occipital electrode O1 is the position of the left posterior temporal electrode T5,
Further, the intersection point of the connection line between the left posterior temporal electrode T5 and the top midline electrode Pz and the connection line between the left occipital electrode O1 and the left central electrode C3 is the position of the left top electrode P3, the symmetry point of the left posterior temporal electrode T5 with the first connection line 4 as the symmetry axis is the right posterior temporal electrode T6, and the symmetry point of the left top electrode P3 with the first connection line 4 as the symmetry axis is the right top electrode P4.
Advantageous effects
When the brain wave detector is used, the electrode cap without the electrode can be sleeved on the head model according to the detection requirement, the position where the electrode needs to be installed is marked on the electrode cap according to the standard electrode position, then the opening is carried out, and the electrode is installed, and because the head model 1 is prepared through 3d printing, the head model is more similar to the head model of a normal person, the head model has larger head shape difference, the accuracy is higher, the electrode positioning precision is higher, and the accurate brain wave signal can be obtained.
Drawings
FIG. 1 is a schematic structural view of a stent for electroencephalogram cap positioning;
FIG. 2 is a schematic view of a structure of a 64-lead corresponding bracket;
Fig. 3 is a top view of fig. 2.
Wherein, 1-head model, 2-emulation upper skull, 3-emulation lower skull, 4-first connecting wire, 5-second connecting wire, 6-hangers.
Detailed Description
The structure of the present utility model will be described in further detail with reference to specific examples. It is to be understood that the following examples are illustrative only and are not to be construed as limiting the scope of the utility model. All techniques implemented based on the above description of the utility model are intended to be included within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
The utility model provides a support for electroencephalogram cap location, including adopting the head model 1 of 3D printing preparation, head model 1 includes emulation upper skull 2 and emulation lower skull 3, emulation upper skull 2 includes emulation frontal bone, parietal bone, occipital bone, emulation lower skull 3 includes emulation dacryocyst, nasal bone, cheekbone, upper jaw bone, lower jaw bone, temporal bone, sphenoid bone enclose the synthesis, emulation upper skull 2 and emulation lower skull 3 integrated into one piece, emulation lower skull 3 opposite sides is provided with hangers 4, hangers 4 can be couple or ear structure, head model 1 adopts plastics to make, in this embodiment, hangers 6 set up to the ear structure.
The head model 1 is provided with a first connecting wire 4 and a second connecting wire 5, wherein the base line of the first connecting wire 4 is a connecting wire between the root of a nose and the tuberosity outside the pillow, and the second connecting wire 5 is a connecting wire between the bottoms of the two hangers 4.
The number and the positions of the electrodes can be set according to actual needs, for example, the electrodes are 8-guide, 16-guide, 64-guide, 128-guide and 256-guide, the specific positions are determined according to a 10-20 electroencephalogram positioning rule, and the embodiment is illustrated by taking 32-guide as an example.
Referring to fig. 2 (fig. 2-3 show 64 leads, with 64 leads including all positions of 32 leads), the intersection of the first and second connecting lines 4 and 5 at the scalp surface is the position of the central midline electrode (Cz overlap), 10% of the forehead extending from the intersection along the first connecting line 4 is the frontal midline electrode FPz, 20% of the forehead or occipital extending from the frontal midline electrode FPz along the first connecting line 4 is one electrode position, in this order, the frontal midline electrode Fz, the central midline electrode Cz, the top midline electrode Pz and the occipital midline electrode Oz.
The left auricular anterior concave position is the position of a left middle temporal electrode T3, the right auricular anterior concave position is the position of a right middle temporal electrode T4, the midpoint of the connecting line between the left middle temporal electrode T3 and the central midline electrode Cz is the position of a left central electrode C3, and the midpoint of the connecting line between the right middle temporal electrode T4 and the central midline electrode Cz is the position of a right central electrode C4.
The brow arch is the position of a left frontal electrode FP1, a position of a left anterior temporal electrode F7 is vertically 2-3cm below the midpoint of a connecting line between the left frontal electrode FP1 and a left middle temporal electrode T3, an intersection point of a connecting line of the left anterior temporal electrode F7 and the frontal middle line electrode Fz and a connecting line of the left frontal electrode FP1 and a left middle electrode C3 is the position of the left frontal electrode F3, a symmetrical point of the left anterior temporal electrode F7 taking the first connecting line 4 as a symmetrical axis is a right anterior temporal electrode F8, and a symmetrical point of the left frontal electrode F3 taking the first connecting line 4 as a symmetrical axis is a right frontal electrode F4.
The position of 10% of the length of the first connecting wire 4 is the position of the neutral wire electrode Oz, the neutral wire electrode Oz is the position of the left occipital electrode O1 and the position of the right occipital electrode O2 when the neutral wire moves left and right on the head circumference by 10% of the length of the first connecting wire 4; the midpoint of the connection between the left medial temporal electrode T3 and the left occipital electrode O1 is the position of the left posterior temporal electrode T5,
The intersection point of the connection line between the left posterior temporal electrode T5 and the top midline electrode Pz and the connection line between the left occipital electrode O1 and the left central electrode C3 is the position of the left top electrode P3, the symmetry point of the left posterior temporal electrode T5 with the first connection line 4 as the symmetry axis is the right posterior temporal electrode T6, and the symmetry point of the left top electrode P3 with the first connection line 4 as the symmetry axis is the right top electrode P4.
When the brain wave detector is used, the electrode cap without the electrode can be sleeved on the head model 1 according to the detection requirement, the position where the electrode needs to be installed is marked on the electrode cap according to the standard electrode position, then the electrode is perforated and installed, and the head model 1 is prepared by 3d printing, so that the head model is more similar to the head model of a normal person, the accuracy is higher, the electrode positioning accuracy is higher, and accurate brain wave signals can be obtained.
The foregoing description of the specific embodiments of the present utility model has been presented by way of example. The scope of the utility model is not limited to the exemplary embodiments described above. Any modification, equivalent replacement, improvement, etc. made by those skilled in the art within the spirit and principle of the present utility model should be included in the scope of protection of the claims of the present utility model.
Claims (5)
1. The head model comprises a simulated upper skull and a simulated lower skull, wherein the simulated upper skull comprises a simulated frontal bone, a top bone and a pillow bone, the simulated lower skull comprises a simulated lacrimal bone, a nasal bone, a cheekbone, an upper jawbone, a lower jawbone, a temporal bone and a sphenoid bone, the simulated upper skull and the simulated lower skull are integrally formed, two opposite sides of the simulated lower skull are provided with hanging lugs, the head model is provided with a first connecting wire and a second connecting wire, the first connecting wire baseline is a connecting wire between a nasal root and an external occipital tuberosity, the second connecting line is a connecting line between the bottoms of the two lugs, the head model is made of plastic, the electrodes on the positioning support are 32 leads, the intersection point of the first connecting line and the second connecting line on the surface of the scalp is the position of a central midline electrode, 10% of forehead extending from the intersection point along the first connecting line is a forehead electrode midline electrode FPz, 20% of forehead extending from the forehead electrode midline electrode FPz along the first connecting line is an electrode position, and the forehead electrode midline electrode Fz, the central midline electrode Cz, a top midline electrode Pz and a occipital electrode midline electrode Oz are sequentially arranged.
2. The support for positioning an electroencephalogram cap according to claim 1, wherein the left earlobe position is a left medial temporal electrode T3 position, the right earlobe is a right medial temporal electrode T4 position, a midpoint of a line between the left medial temporal electrode T3 and a central midline electrode Cz is a left central electrode C3 position, and a midpoint of a line between the right medial temporal electrode T4 and the central midline electrode Cz is a right central electrode C4 position.
3. The support for positioning an electroencephalogram cap according to claim 2, wherein the eyebrow arch is the position of a left frontal electrode FP1, 2-3cm below the midpoint of the connection between the left frontal electrode FP1 and a left medial temporal electrode T3 is the position of a left anterior temporal electrode F7, the intersection point of the connection between the left anterior temporal electrode F7 and the frontal medial electrode Fz and the connection between the left frontal electrode FP1 and the left central electrode C3 is the position of a left frontal electrode F3, the symmetry point of the left anterior temporal electrode F7 with the first connection line as the symmetry axis is a right anterior temporal electrode F8, and the symmetry point of the left frontal electrode F3 with the first connection line 4 as the symmetry axis is a right frontal electrode F4.
4. A support for positioning an electroencephalogram cap according to claim 3, wherein the outer occipital tuberosity of the head is a position where 10% of the first connection line length is a midline electrode Oz, the midline electrode Oz being a position where the midline moves left and right on the head circumference by 10% of the first connection line length is a left occipital electrode O1 position and a right occipital electrode O2 position; the midpoint of the connection line between the left middle temporal electrode T3 and the left occipital electrode O1 is the position of the left rear temporal electrode T5.
5. The support for positioning an electroencephalogram cap according to claim 4, wherein a line intersection of a line between the left posterior temporal electrode T5 and the top midline electrode Pz and a line between the left occipital electrode O1 and the left central electrode C3 is a position of the left top electrode P3, a symmetry point of the left posterior temporal electrode T5 with the first line as a symmetry axis is the right posterior temporal electrode T6, and a symmetry point of the left top electrode P3 with the first line as a symmetry axis is the right top electrode P4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321468772.9U CN220938067U (en) | 2023-06-09 | 2023-06-09 | Support for positioning electroencephalogram cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321468772.9U CN220938067U (en) | 2023-06-09 | 2023-06-09 | Support for positioning electroencephalogram cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220938067U true CN220938067U (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321468772.9U Active CN220938067U (en) | 2023-06-09 | 2023-06-09 | Support for positioning electroencephalogram cap |
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| Country | Link |
|---|---|
| CN (1) | CN220938067U (en) |
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- 2023-06-09 CN CN202321468772.9U patent/CN220938067U/en active Active
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