EEG acquisition support

An electroencephalogram and electrode holder technology, applied in medical science, sensors, diagnostic recording/measurement, etc., can solve problems such as the inability to guarantee the contact stability between the brain electrodes and the scalp, and achieve reduced motion artifacts, stable overall structure, and simple production. Effect

Active Publication Date: 2018-02-16
BEIJING MECHANICAL EQUIP INST
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above analysis, the present invention aims to provide an EEG acquisition bracket, which solves the problem that the EEG acquisition bracket in the prior art cannot guarantee the stability of the contact between the brain electrodes and the scalp during the EEG acquisition process

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Embodiment 1

[0033] Based on the analysis of the topological structure of the outer contour of the head, this embodiment obtains the alignment and compression requirements of the brain electrodes for the unstructured topographic features of the head, and provides an EEG acquisition bracket using elastic rope circumferential envelope preloading ,Such as Figure 1 to Figure 4 As shown, it includes a pretension cover for accommodating the test site of the EEG test object, a top electrode seat 1 positioned on the top of the pretension cover, and a circumferential electrode seat 2 positioned at the periphery of the pretension cover; the pretension cover includes the first An elastic preload ring 3 and a plurality of cantilever rods 4, the plurality of cantilever rods 4 are arranged along the longitudinal direction of the preload cover, and a plurality of cantilever rods 4 are connected in series through the first elastic preload ring 3; one end of the cantilever rod 4 is connected to the top ele...

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Abstract

The invention relates to an EEG acquisition support, and belongs to the technical field of dry-type EEG acquisition systems, which can solve the problem that the conventional EEG acquisition supportscannot ensure the stability of contact between EEG electrodes and a scalp in the prior art. The EEG acquisition support includes a pre-tensioning cover for holding a test part of an EEG test object, atop electrode base positioned on the top of the pre-tensioning cover, and circumferential electrode bases positioned on the periphery of the pre-tensioning cover; the pre-tensioning cover includes afirst elastic pre-tensioning ring and a plurality of suspension arms; the plurality of suspension arms are arranged in the radial direction of the pre-tensioning cover; the plurality of suspension rods are connected in series through the first elastic pre-tensioning ring; and one ends of the suspension rods are connected to an outer edge of the top electrode base, and the other ends of the suspension rods are connected to the circumferential electrode bases. The EEG acquisition support can be used for EEG acquisition.

Description

technical field [0001] The invention relates to a dry-type EEG acquisition system, in particular to an EEG acquisition bracket. Background technique [0002] The EEG acquisition device is an EEG acquisition device that uses brain electrodes installed on an EEG acquisition bracket to contact the scalp to collect EEG signals. Among them, the EEG acquisition bracket is used to provide a mechanical environment in which the brain electrodes are in stable contact with the scalp. Because there are easy motion artifacts between the brain electrodes and the scalp, and the impedance of the brain electrode interface is easy to fluctuate, the signal-to-noise ratio of the EEG signal is very low, which affects the accuracy of the EEG signal, and the stability of the mechanical environment is to ensure the accuracy of the EEG signal. Foundation. [0003] In the prior art, the EEG acquisition bracket generally adopts a fully rigid structure or a flexible material as the main body of the b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/0476A61B5/0478
CPCA61B5/6803A61B5/291A61B5/369
Inventor 崔翔张利剑贾正伟陈远方
Owner BEIJING MECHANICAL EQUIP INST
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