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Electrode cap

An electrode cap and electrode technology, applied in the field of electrode caps, can solve problems such as poor experimental results and poor versatility of electrode caps, and achieve the effects of shortening preparation time, reducing experimental costs, and reducing signal drift

Pending Publication Date: 2022-06-24
CIXI INST OF BIOMEDICAL ENG NINGBO INST OF MATERIALS TECH & ENG CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of electrode cap can only achieve better results for bare skin, but for skin covered with hair, the experimental effect is not good, and this kind of electrode cap has poor versatility

Method used

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Embodiment Construction

[0022] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and do not limit the protection scope of the present invention.

[0023] It should be noted that when a component is referred to as being "mounted on" another component, it can be directly on the other component or there may also be an intervening component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a co-existing centered component. When a component is said to be "fixed" to another component, it may be directly fixed to the other component or there may also be an intervening component. The terms "vertical", "horizontal", "left", "right" ...

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Abstract

The invention relates to an electrode cap. The electrode cap comprises a cap body and a plurality of electrodes arranged on the cap body, and each electrode comprises a body which is provided with an inner cavity and an opening communicated with the inner cavity; the needle head is arranged in the inner cavity in a penetrating mode and extends out of the inner cavity, the needle head can move relative to the body, and the needle head is provided with an inner hole and an inlet communicated with the inner hole. According to the electrode cap provided by the embodiment of the invention, the preparation process can be simplified, and meanwhile, a good electroencephalogram signal acquisition effect can be achieved.

Description

technical field [0001] The present invention relates to the technical field of brain-computer interface, in particular to an electrode cap. Background technique [0002] Brain-Computer Interface (BCI) is a special human-computer interaction technology, which is characterized by the use of EEG signals as the information carrier to realize signal transmission and information exchange between the human brain and external devices. Electrode caps are commonly used devices for EEG signal acquisition. At present, electrode caps can be mainly divided into two categories: one is the electrode cap using wet electrodes. These electrode caps typically use a paste-like conductive paste to achieve low-impedance contact between the electrode and the scalp collection point. The disadvantage of this electrode cap is that the preparation process of each experiment is complicated and time-consuming, the experiment cost is high, the possibility of signal crosstalk is high, and the experimenta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/293A61B5/262A61B5/263
Inventor 王辉左国坤徐佳琳施长城
Owner CIXI INST OF BIOMEDICAL ENG NINGBO INST OF MATERIALS TECH & ENG CHINESE ACAD OF SCI
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