Electromagnetic shielding cap for electroencephalogram detection
By designing an electromagnetic shielding cap for EEG detection, using a flexible electromagnetic shielding layer to cover the electrode mounting layer, the impact of external electromagnetic interference on the quality of EEG signal is solved, and high-quality EEG signal is achieved Accuracy of collection and detection results.
Patent Information
- Application Number
- CN202420712029.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-08
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-04-08
AI Technical Summary
When performing EEG detection, external electromagnetic interference will affect the signal quality. The existing electromagnetic shielding chamber is cumbersome and expensive, limiting the scope of EEG acquisition.
An electromagnetic shielding cap for electroencephalopathy is designed, including a cap-shaped electrode mounting layer, a flexible electromagnetic shielding layer and a fixed layer. The flexible electromagnetic shielding layer covers the electrode mounting layer above the electrode mounting layer to shield external electromagnetic interference.
Effectively block external electromagnetic interference, improve the quality of EEG signals acquisition, ensure the accuracy of detection results, and reduce equipment costs and use complexity.
Smart Images
Figure CN222444140U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of medical equipment, in particular to an electromagnetic shielding cap used for electroencephalogram detection. Background Art
[0002] In conventional EEG testing, it is very important to electromagnetically shield external interference signals, so extremely weak EEG signals can only be collected in an electromagnetically shielded environment. Because when collecting EEG signals, electromagnetic interference in the external environment may affect the quality of the signal and cause data distortion. By collecting data in an electromagnetic shielding room, this interference can be effectively reduced, thereby improving the quality of EEG signal collection. However, the construction process of the electromagnetic shielding room is cumbersome and costly, and it also limits the method of EEG collection to a very small range.
[0003] Therefore, it is necessary to design a new electromagnetic shielding cap for EEG detection. Utility Model Content
[0004] In view of the defects in the prior art, the utility model provides an electromagnetic shielding cap for electroencephalogram detection.
[0005] The technical solution adopted by the utility model is: an electromagnetic shielding cap for electroencephalogram detection, comprising a cap-shaped electrode mounting layer and a fixing layer fixedly connected to the electrode mounting layer, a flexible electromagnetic shielding layer is arranged between the electrode mounting layer and the fixing layer; a plurality of electrode mounting holes for mounting detection electrodes are arranged on the electrode mounting layer, and a fixing pull ring for fixing the electrode wire of the detection electrode is arranged on the electrode mounting layer.
[0006] In order to better realize the utility model, the electrode mounting layer, the flexible electromagnetic shielding layer and the fixing layer are stacked and fixed to form a cap body, and an elastic band for fixing the chin is connected to the cheek position of the cap body and matched with a corresponding elastic buckle.
[0007] In order to better implement the utility model, ear holes corresponding to the positions of the ears are arranged on both sides of the electrode mounting layer, the flexible electromagnetic shielding layer and the fixing layer.
[0008] In order to better implement the utility model, a protective sheet extending toward the neck is provided at the lower part of the electrode installation layer.
[0009] In order to better realize the utility model, the electrode installation layer and the fixing layer are both made of flexible fabrics.
[0010] In order to better realize the utility model, the flexible electromagnetic shielding layer is made of flexible metal woven fabric with electromagnetic shielding effect.
[0011] The beneficial effects of the utility model are as follows: the electromagnetic shielding cap for EEG detection of the utility model, through the cooperation of the electrode mounting layer, the fixing layer, the flexible electromagnetic shielding layer, the electrode mounting hole and the fixing pull ring, etc., when in use, the electrode mounting layer is worn on the patient's head, and the flexible electromagnetic shielding layer is electromagnetically shielded and covered above the electrode mounting layer, shielding external electromagnetic interference, thereby improving the collection quality of EEG signals. Since a fixing layer for reinforcement is provided, the electrodes on the electrode mounting layer can be stably fixed, preventing electrode displacement and shielding failure, thereby ensuring the accuracy of EEG detection results. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.
[0013] Figure 1 This is a schematic structural diagram of an electromagnetic shielding cap for EEG detection of the utility model;
[0014] In the attached drawings, 1 is an electrode mounting layer, 2 is a flexible electromagnetic shielding layer, 3 is a fixing layer, 4 is an electrode mounting hole, 5 is an ear hole, 6 is an elastic band, 7 is an elastic buckle, 8 is a protective sheet, and 9 is a fixing pull ring. DETAILED DESCRIPTION
[0015] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.
[0016] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by technicians in the field of this utility model.
[0017] Example:
[0018] like Figure 1As shown, the electromagnetic shielding cap for EEG detection of the utility model comprises a cap-shaped electrode mounting layer 1 and a fixing layer 3 fixedly connected to the electrode mounting layer 1, and a flexible electromagnetic shielding layer 2 is arranged between the electrode mounting layer 1 and the fixing layer 3; a plurality of electrode mounting holes 4 for mounting detection electrodes are arranged on the electrode mounting layer 1, and a fixing pull ring 9 for fixing the electrode wire of the detection electrode is arranged on the electrode mounting layer 1. The electromagnetic shielding cap for EEG detection of the utility model, through the cooperation of the electrode mounting layer 1, the fixing layer 3, the flexible electromagnetic shielding layer 2, the electrode mounting holes 4 and the fixing pull ring 9, when in use, the electrode mounting layer 1 is worn on the patient's head, and the flexible electromagnetic shielding layer 2 is electromagnetically shielded and covered above the electrode mounting layer 1, shielding external electromagnetic interference, thereby improving the acquisition quality of EEG signals. Since the fixing layer 3 for reinforcement is arranged, the electrodes on the electrode mounting layer 1 can be stably fixed, preventing electrode displacement and shielding failure, and ensuring the accuracy of EEG detection results.
[0019] Preferably, the electrode mounting layer 1, the flexible electromagnetic shielding layer 2 and the fixing layer 3 are stacked and fixed to form a cap body, and an elastic band 6 for fixing the chin is connected to the cheek position of the cap body and matched with a corresponding elastic buckle 7. After such a design, the elastic buckle 7 can be adjusted to adapt to different head shapes according to different needs to ensure a high fit between the cap body and the head. In addition, the elastic band 6 can improve the wearing comfort.
[0020] Preferably, ear holes 5 corresponding to the ear positions are provided on both sides of the electrode mounting layer 1, the flexible electromagnetic shielding layer 2 and the fixing layer 3. With this design, the patient's ears can be freely extended out of the ear holes 5, thereby improving wearing comfort.
[0021] Preferably, a protective sheet 8 extending toward the neck is provided at the lower part of the electrode installation layer 1. After such a design, the protective sheet 8 can protect the neck and prevent the detection circuit, equipment, etc. from contacting the neck.
[0022] Preferably, the electrode mounting layer 1 and the fixing layer 3 are both made of flexible fabrics.
[0023] Preferably, the flexible electromagnetic shielding layer 2 is made of a flexible metal woven fabric having an electromagnetic shielding effect. It should be noted that, according to the actual shielding requirements, multiple flexible electromagnetic shielding layers 2 can be stacked and fixed as an integral shielding layer.
[0024] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.
Claims
1. An electromagnetic shielding cap for electroencephalogram detection, characterized in that: The invention comprises a cap-shaped electrode mounting layer (1) and a fixing layer (3) fixedly connected to the electrode mounting layer (1), wherein a flexible electromagnetic shielding layer (2) is arranged between the electrode mounting layer (1) and the fixing layer (3); a plurality of electrode mounting holes (4) for mounting detection electrodes are arranged on the electrode mounting layer (1), and a fixing pull ring (9) for fixing an electrode wire of the detection electrode is arranged on the electrode mounting layer (1).
2. The electromagnetic shielding cap for EEG detection according to claim 1, characterized in that: The electrode mounting layer (1), the flexible electromagnetic shielding layer (2) and the fixing layer (3) are stacked and fixed to form a cap body, and an elastic band (6) for fixing the chin is connected to the cheek position of the cap body and matched with a corresponding elastic buckle (7).
3. The electromagnetic shielding cap for EEG detection according to claim 2, characterized in that: Ear holes (5) corresponding to the positions of the ears are arranged on both sides of the electrode mounting layer (1), the flexible electromagnetic shielding layer (2) and the fixing layer (3).
4. The electromagnetic shielding cap for EEG detection according to claim 3, characterized in that: A protective sheet (8) extending toward the neck is arranged at the lower part of the electrode mounting layer (1).
5. The electromagnetic shielding cap for EEG detection according to claim 4, characterized in that: The electrode mounting layer (1) and the fixing layer (3) are both made of flexible fabric.
6. The electromagnetic shielding cap for EEG detection according to claim 5, characterized in that: The flexible electromagnetic shielding layer (2) is made of flexible metal woven fabric having an electromagnetic shielding effect.