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Wearable bioelectric signal acquisition helmet

A bioelectrical signal and helmet collection technology, applied in medical science, sensors, diagnostic recording/measurement, etc., can solve the problems of unstable contact, unstable impedance, irregular contour, etc., to ensure stable contact, significant effect, and signal Record reliable results

Pending Publication Date: 2018-09-25
WUHAN GREENTEK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The elastic support structure mainly represents the electrode cap made of elastic fabric. The main advantage is that it is elastic and fits well with the skin. The same electrode cap can meet the wearing requirements of multiple subjects with different head shapes. The disadvantage is that the force on the electrode cannot be guaranteed. Uniform, unstable contact with skin, unstable impedance
The main representative of the rigid support structure is a headband or helmet made of hard plastic or hard silicone. The main advantage is that it is easy to wear and take out, but it has the following disadvantages: (1) Because it is not elastic, it cannot meet multiple different head shapes (2) Due to the irregular contour of the human head, the rigid support structure itself does not fit well with the skin, so the electrode and the skin are also prone to poor contact, and the number of electrodes is more obvious; ( 3) This rigid support structure is limited to 3-5 conductive electrodes, which is far from meeting the needs of medical, psychological cognition and other applications

Method used

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  • Wearable bioelectric signal acquisition helmet
  • Wearable bioelectric signal acquisition helmet
  • Wearable bioelectric signal acquisition helmet

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1: is a basic embodiment of the present invention. Such as Figure 1-4 , a wearable bioelectrical signal collection helmet, including a peripheral fixing ring 1, a rigid fixing component 2 and an adjustable strap 3; the rigid fixing component 2 is provided with a number of electrode mounting holes 2.1, and the The outer side of the electrode mounting hole 2.1 is provided with a strip clamping groove 2.2; the outer peripheral fixing ring clamping groove 1.1 is connected with the strip clamping groove 2.2 on the periphery of the electrode fixing hole through an adjustable headband 3; the electrode 4 is fixed on the electrode Inside the mounting hole 2.1. Compared with the elastic support structure or rigid support structure in the prior art, the bioelectric signal acquisition helmet adopts a modular design, and is formed by splicing adjustable straps, rigid fixing components, and peripheral fixing rings, thereby forming a partially rigid, partially flexible, a...

Embodiment 2

[0031] Embodiment 2: is the further embodiment of the present invention. Such as figure 2 As shown, the outer peripheral fixing ring 1 is also provided with a tightness adjusting device 5 . Two ends of the outer peripheral fixed ring are provided with gear parts 1.2, and the tightness adjustment device 5 is a knob, which clamps two gear parts 1.2, and adjusts the overlap degree of the gear parts through the knob to realize tightness adjustment. The advantage is that the collection device can be suitable for different subjects, increase the fit between the collection device and the skin, and maintain stable contact between the electrodes and the skin. When the elastic adjustment device is replaced by an adjustable strap, it belongs to an equivalent embodiment, because the adjustable strap can also play the role of adjusting the tightness of the outer peripheral fixing ring.

Embodiment 3

[0032] Embodiment 3: is the further embodiment of the present invention. Such as image 3 As shown, the wearable bioelectric signal collection helmet has at least two rigid fixing components 2 . The rigid fixing component 2 is connected to another rigid fixing component 2 through an adjustable strap 3, so that multiple rigid fixing components are spliced ​​together. The strap slots 2.2 on the outside of different electrode installations 2.1 of the same rigid fixing assembly can also be connected by an adjustable headband 3. The rigid fixing component 2 is in the shape of a longitudinal or horizontal headband, or is criss-crossed into a network structure, and the electrode mounting holes 2.1 are distributed in these rigid fixing parts according to the international 10-20 positioning system. These longitudinal strip-shaped, horizontal strip-shaped, and network-shaped rigid fixing components can be spliced ​​in series through adjustable strips to form a collection helmet with a...

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PUM

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Abstract

The invention discloses a wearable bioelectric signal acquisition helmet which comprises a peripheral fixing ring, a rigid fixing assembly and an adjustable strip, wherein the rigid fixing assembly isprovided with a plurality of electrode mounting holes; strip clamping grooves are arranged outside the electrode mounting holes; peripheral fixing ring clamping grooves are connected with the strip clamping grooves in the peripheries of electrode fixing holes by the adjustable strip; electrodes are fixed in the electrode mounting holes; and the peripheral fixing ring is further provided with a tightness adjusting device. The wearable bioelectric signal acquisition helmet adopts modular design, is formed by splicing the rigid fixing assembly with the adjustable strip, and is provided with a tightness adjusting knob, so as to adapt to electroencephalogram records of different tested head circumferences while maintaining stable contact of the electrodes and the to-be-tested skin and reliablesignal records.

Description

technical field [0001] The invention relates to a wearable bioelectric signal collection helmet, which belongs to the technical field of bioelectric signal detection and transmission, and is particularly suitable for brain electric signal recording. Background technique [0002] Common bioelectric signals mainly include ECG, EEG, EMG, etc. These body surface bioelectric signals can usually be recorded by electrodes, amplified by appropriate bioelectric amplifiers, and recorded as ECG, EEG, EMG, etc. Electroencephalogram (EEG) is a common bioelectrical signal. It uses the neural potential characteristics of brain activity to measure changes in brain electrical signals to obtain brain function information. Its advantage is high temporal resolution. EEG can be mainly divided into two types: invasive EEG and non-invasive EEG. Although invasive EEG has high spatial resolution, it is difficult to be practical due to damage to the subjects. Therefore, non-invasive EEG is currentl...

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 李明哲杨德涛段晏文
Owner WUHAN GREENTEK
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