Bioelectrical signal sensor and acquisition device

A bioelectrical signal and acquisition device technology, which is applied in the field of EEG measurement, can solve the problems that the electrode body is not easy, the pressure between the electrode body and the human skin cannot be adjusted, etc., and achieve the effect of convenient and quick replacement, lower impedance, and prolong service life

Active Publication Date: 2015-06-10
SUZHOU GREENTEK
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Problems solved by technology

[0009] In order to overcome the technical problems in the prior art that the pressure between the electrode body and human skin cannot be adjusted, and the electrode body is not easy to install and disassemble with the support body, the present invention provides a bioelectrical signal sensor and acquisition device

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  • Bioelectrical signal sensor and acquisition device
  • Bioelectrical signal sensor and acquisition device

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Embodiment Construction

[0054] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0055] refer to figure 1 and figure 2 As shown, the embodiment of the present invention provides a bioelectrical signal sensor, including an electrode body 1, the electrode body 1 includes a column head and an electrode arranged in the electrode body 1, and the conductive solution contained in the electrode body 1 penetrates out through the column head , the bioelectrical signal sensor also includes: a fixing ring, which is formed by clamping two parts of the tightening part 2 and the lower race 3; the electrode body 1 is inserted into the fixing ring and fixed with the tightening part 2 and / or the lower race 3 , the outer surface of the housing 10 of the electrode body 1 is provided with an adjustment track, and the inner wall of the fixing ring ...

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Abstract

The invention relates to a bio-electricity signal sensor. The bio-electricity signal sensor comprises an electrode, an electrolyte, a cavity capable of holding the electrolyte, and a porous column, wherein one end of the cavity is a sealed end, and the other end of the cavity is connected with an electrolyte entering end, and another end of the porous column is a working end in contact with a living body; at least a part of electrode is located in the electrolyte, the electrode is a conductor, and the cavity is either a conductor or an insulator. The bio-electricity signal sensor provided by the invention has the main advantages of being simple in structure, reliable to contact, precise to locate, low and stable in electrode-skin impedance, low in noise measurement, low in artifact and convenient and comfortable to use, and is capable of recycling for a long time, thereby being applicable to relevant applications of bioelectricity recording, measuring and stimulation, and particularly applicable to electroencephalogram measurement.

Description

technical field [0001] The invention relates to a bioelectrical signal sensor and acquisition device, which belongs to the technical field of bioelectricity and is widely used in bioelectricity recording, measurement and stimulation, including high-density bioelectricity measurement, medical equipment, mobile equipment, family health care, psychological cognition , games, brain-computer interface, rehabilitation training, etc., especially suitable for EEG measurement. Background technique [0002] With the development of science and technology, electroencephalogram measurement (EEG) has been widely used in the monitoring and diagnosis of various neurological diseases, and rehabilitation equipment for EEG feedback. EEG measurement is also an important experimental method in cognitive psychology research. In order to obtain accurate weak EEG signals, good contact between the sensor and the scalp is required, and the impedance is low and stable. Bioelectric signal sensor is a...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/0478A61B5/04
CPCA61B5/6803A61B5/24A61B5/291A61B2562/168A61B2562/0217A61B2562/0215A61B5/263
Inventor 樊安生
Owner SUZHOU GREENTEK
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