阅读说明：本技术 颅外脑电传感检测佩戴装置及方法 (Extracranial electroencephalogram sensing detection wearing device and method ) 是由 孙建辉 邢湘杰 樊芸婕 于 2019-12-09 设计创作，主要内容包括：本发明公开了颅外脑电传感检测佩戴装置及方法,多条经度边带、多条维度边带及用于维度边带拉紧的位于待测者耳朵位置的两个固定圆盘；所述多条经度边带分别固定在位于额头位置的非弹性条经度边带固定条带上,多条纬度边带分别固定在已经初步固定的经度边带上；传感器检测位点固定在经度边带或者维度边带上,传感器位置根据需要检测的感兴趣的脑电的功能区位置,进行基于经度边带或维度边带的粗粒度调整,以及基于经度边带与维度边带上面细孔的细粒度的微小调节。本公开单个传感器点可以在脑区的前后(经度),左右(纬度),2个维度进行位置粗细度调整。(The invention discloses an extracranial electroencephalogram sensing detection wearing device and a method thereof, wherein a plurality of longitude side bands, a plurality of latitude side bands and two fixed discs which are used for tensioning the latitude side bands and are positioned at the positions of ears of a person to be tested; the plurality of longitude side bands are respectively fixed on non-elastic longitude side band fixing bands positioned at the forehead position, and the plurality of latitude side bands are respectively fixed on longitude side bands which are preliminarily fixed; the detection site of the sensor is fixed on the longitude side band or the latitude side band, the position of the sensor is adjusted based on the coarse granularity of the longitude side band or the latitude side band and based on the fine granularity fine adjustment of the fine holes on the longitude side band and the latitude side band according to the position of the functional area of the brain electricity of interest to be detected. The single sensor point can be used for adjusting the position thickness in front and back (longitude), left and right (latitude) and 2 dimensionalities of the brain area.)

1. An extracranial electroencephalogram sensing detection wearing device, characterized by comprising:

the device comprises a plurality of longitude side bands, a plurality of latitude side bands and two fixed discs which are used for tightening the latitude side bands and are positioned at the ears of a person to be tested;

the plurality of longitude side bands are respectively fixed on non-elastic longitude side band fixing bands positioned at the forehead position, and the plurality of latitude side bands are respectively fixed on longitude side bands which are preliminarily fixed;

the detection site of the sensor is fixed on the longitude side band or the latitude side band, the position of the sensor is adjusted based on the coarse granularity of the longitude side band or the latitude side band and based on the fine granularity fine adjustment of the fine holes on the longitude side band and the latitude side band according to the position of the functional area of the brain electricity of interest to be detected.

2. The extracranial electroencephalogram sensing wearable device as recited in claim 1, wherein the peripheral band of the fixed disk includes a fixed hole, and the apertures of the fine holes for fixing the side bands are all uniform.

3. The extracranial electroencephalogram sensing wearable device according to claim 1, wherein a plurality of fixing holes are provided in each of the longitudinal side band and the latitudinal side band, the longitudinal side band being movable up and down with respect to the latitudinal side band when fixed, and the latitudinal side band being movable left and right with respect to the longitudinal side band when fixed.

4. The extracranial electroencephalogram sensing wearable device as recited in claim 1, wherein the longitudinal side band is fixed by aligning the uniform-sized fine holes of the longitudinal side band and the forehead fixing side band and then fixing the band by inserting a fixing nut into the fine holes.

5. The extra-cranial electroencephalogram sensing wearable device according to claim 4, wherein when the latitudinal strip is fixed, the latitudinal strip and the latitudinal strip are fixed by inserting the latitudinal strip and the latitudinal strip through a fixing nut aligned with a uniform-aperture-size pore on the latitudinal strip and the longitudinal strip, which are already preliminarily fixed.

6. The extracranial electroencephalogram sensing detection wearing apparatus as recited in claim 1, wherein fixing side bands are fixedly connected to both ends of the sensor detection site, respectively, and the milled holes in the side bands of the sensor are aligned with the fine holes of the same specification on the side bands to be fixed by fixing nuts and then fixed.

7. The extracranial electroencephalography sensing wearable device as recited in claim 7, wherein the sensor detection site is fixed to either the longitudinal side band or the latitudinal side band;

or the sensor is below the longitude or latitude sideband.

8. The extracranial electroencephalogram sensing wearable device as recited in claim 4, wherein the middle of the fixing nut is of a metal structure, and the inner wall of the uniform-sized pore is of a metal surface, so that after the fixing nut is fixed with the uniform-sized pore, the weak EEG signals detected by the sensing position are led out to the signal subsequent processing device along the side bands through the embedded metal wires connected with the pore on the side bands, and the site electrical signals at different detection positions are led out to the signal subsequent processing device.

9. The wearing method for extracranial brain electrical sensing detection is characterized by comprising the following steps:

preliminary fixation of the longitude sideband: after aligning the fine holes with the uniform specification of the longitude side band and the forehead fixing side band, inserting the fixing screw cap into the fine holes for fixing;

fixing a plurality of latitude side bands on the preliminarily fixed longitude bands: aligning the fine holes with uniform aperture specifications on the latitude side band and the longitude side band through a fixing nut, and inserting the longitude side band and the latitude side band for fixing;

a plurality of dimension side bands which are connected to the fixed disc at the position of the ear for fixing the dimension side bands: after the fine holes on the dimensional side band are aligned with the fine holes of the disc, the fixing nut is fixed, and the tightening degree of connection can be adjusted;

and fixing the longitude sideband and the latitude sideband, and then fixing the detection position of the sensor to detect the sensing signal of the detection position of the brain area.

10. The extracranial electroencephalographic sensing detection wearing method according to claim 9, wherein the fixed sensor detects the site location: the method comprises the steps of aligning a certain sensor detection site with a fine hole of the same specification on a side band through a fixing nut, fixing the sensor on a longitude side band, or a latitude side band, or enabling the sensor to be located below the longitude side band or the latitude side band, and performing coarse grain adjustment based on the longitude side band or the latitude side band and fine grain fine adjustment based on the longitude side band and the fine grain fine hole on the latitude side band according to the position of an interested electroencephalogram function area needing to be detected.

Technical Field

The invention belongs to the field of electroencephalogram detection, and particularly relates to an extracranial electroencephalogram sensing detection wearing device and method.

Background

The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

With the development of an extracranial electroencephalogram wearable system, flexible detection of electroencephalogram EEG signals needs to be performed by utilizing fewer electroencephalogram sensors to detect sites aiming at different head shapes of different testers and different electroencephalogram areas.

However, the conventional extracranial electroencephalogram EEG detection device has certain problems, which are mainly reflected in that: (1) the position of the sensor site of the detection device is fixed, so that the position adjustment of the sensor detection site in different directions cannot be realized; (2) for an interested electroencephalogram region, a more flexible and targeted sensor layout solution is needed; (3) as the shapes of the skull of different testers are different and the sizes of the skull are different, the pressing degree of the sensor attached to the skull can be adaptively adjusted.

The invention discloses an electroencephalogram detection head ring of 'Shenzhen Xinhui science and technology Limited' company with the patent application number of '201820551941.8', and provides an electroencephalogram detection head ring which comprises a head ring main body and a central processing unit, wherein a wearing space is concavely arranged on the head ring main body, an electroencephalogram electrode attached to a brain is further arranged on one side of the wearing space of the head ring main body, an elastic component is arranged between the electroencephalogram electrode and the head ring main body, and the electroencephalogram electrode is electrically connected with the central processing unit. But the method also has certain defects and does not have the capability of adjusting the position thickness of the sensing detection site.

The invention patent application 'brain electrical detection device based on wearable device' of 'Wuhan wisdom general science and technology limited company' with patent application number of '201820534752. X' discloses brain electrical detection device based on wearable device, includes: an electrode cap on which a plurality of fixing rings are provided; the electrode, it is a plurality of, the electrode includes electrode slice and lantern ring, the electrode slice is fixed in the lantern ring inboard, still be connected with lead wire one end on the electrode slice, the other end and the analytical equipment electricity of lead wire are connected, and is a plurality of the lantern ring is detachable respectively and is fixed in a plurality of fixed rings, but it also has certain not enough, does not possess the nimble regulating power of this patent sensing detection point.

The invention patent application 'based on a dual-channel electroencephalogram detection method and device' of Shenzhen Shang HongZhi science and technology Limited company with the patent application number of '201810128335. X' can carry out dual-channel detection on electroencephalogram EEG, but does not have the capability of accurately adjusting the sensing detection site of the patent.

The invention discloses a high-precision weak electroencephalogram detection digital-analog hybrid control chip, which is invented by Vision technology Limited in fine weather, Fushan city, with the patent application number of '201711348213.4', can be used for accurately amplifying electroencephalogram EEG and digitally detecting the EEG, but does not have the capability of adjusting the position of a sensing detection position.

In summary, in the prior art, an effective solution is still lacking for the problems of complex circuit implementation, low interference immunity, low reusability, high hardware cost, and the like.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the extracranial electroencephalogram sensing detection wearing device, which can be used for repositioning sensor sites according to the position of a brain functional area to be detected and the specific shape of the skull of a detector by using less sensor layout so as to accurately and flexibly detect different electroencephalogram information of interest.

In order to achieve the above object, one or more embodiments of the present invention provide the following technical solutions:

an extracranial electroencephalographic sensing wearable device, comprising:

the device comprises a plurality of longitude side bands, a plurality of latitude side bands and two fixed discs which are used for tightening the latitude side bands and are positioned at the ears of a person to be tested;

the plurality of longitude side bands are respectively fixed on non-elastic longitude side band fixing bands positioned at the forehead position, and the plurality of latitude side bands are respectively fixed on longitude side bands which are preliminarily fixed;

the detection site of the sensor is fixed on the longitude side band or the latitude side band, the position of the sensor is adjusted based on the coarse granularity of the longitude side band or the latitude side band and based on the fine granularity fine adjustment of the fine holes on the longitude side band and the latitude side band according to the position of the functional area of the brain electricity of interest to be detected.

According to a further technical scheme, the peripheral band of the fixed disc comprises fixed holes, and the calibers of the fine holes for fixing the side bands are all the same.

According to the further technical scheme, a plurality of fixing fine holes are respectively formed in the longitude side band and the latitude side band, the longitude side band can move up and down relative to the latitude side band when being fixed, and the latitude side band can move left and right relative to the longitude side band when being fixed.

According to the technical scheme, when the longitude side band is fixed, after the longitude side band is aligned with the uniform specification fine holes of the forehead fixing side band, the fixing screw cap is inserted into the fine holes to fix the forehead fixing side band.

According to the further technical scheme, when the latitude side band is fixed, the longitude side band and the latitude side band are inserted and fixed on the longitude band which is preliminarily fixed through aligning fine holes with uniform aperture specifications on the latitude side band and the longitude side band through the fixing nut.

According to the technical scheme, two ends of the detection site of the sensor are respectively and fixedly connected with fixing side bands, and a milled hole in the side band of the sensor is aligned with a fine hole of the same specification on the side band of the position to be fixed through a fixing nut and then fixed.

According to the further technical scheme, the detection site of the sensor is fixed on a longitude sideband or a latitude sideband;

or the sensor is below the longitude or latitude sideband.

According to the technical scheme, the middle of the fixing nut is of a metal structure, the inner walls of the fine holes of the unified specification are metal surfaces, and therefore after the fixing nut is fixed with the fine holes of the unified specification, weak EEG signals detected at the sensing positions are led out to a signal subsequent processing device along the side bands through the embedded metal wires of the fine holes connected to the side bands and the site electric signals located at different detection positions.

An extracranial electroencephalogram sensing detection wearing method, comprising:

preliminary fixation of the longitude sideband: after aligning the fine holes with the uniform specification of the longitude side band and the forehead fixing side band, inserting the fixing screw cap into the fine holes for fixing;

fixing a plurality of latitude side bands on the preliminarily fixed longitude bands: aligning the fine holes with uniform aperture specifications on the latitude side band and the longitude side band through a fixing nut, and inserting the longitude side band and the latitude side band for fixing;

a plurality of dimension side bands which are connected to the fixed disc at the position of the ear for fixing the dimension side bands: after the fine holes on the dimensional side band are aligned with the fine holes of the disc, the fixing nut is fixed, and the tightening degree of connection can be adjusted;

and fixing the longitude sideband and the latitude sideband, and then fixing the detection position of the sensor to detect the sensing signal of the detection position of the brain area.

Fixing the position of a sensor detection site: the method comprises the steps of aligning a certain sensor detection site with a fine hole of the same specification on a side band through a fixing nut, fixing the sensor on a longitude side band, or a latitude side band, or enabling the sensor to be located below the longitude side band or the latitude side band, and performing coarse grain adjustment based on the longitude side band or the latitude side band and fine grain fine adjustment based on the longitude side band and the fine grain fine hole on the latitude side band according to the position of an interested electroencephalogram function area needing to be detected.

The above one or more technical solutions have the following beneficial effects:

the method can draw the position information of the longitude and latitude brain map outside the skull by using the three-dimensional imaging system.

The single sensor point can be used for adjusting the position thickness in front and back (longitude), left and right (latitude) and 2 dimensionalities of the brain area.

The EEG electroencephalogram detection system can detect signals of different brain functional areas by using less sensing point layouts.

The position of a specific sensor point is corrected and finely adjusted by carrying out feedback through signal analysis of a specific brain function region.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic diagram of a human Extracranial Electroencephalographic (EEG) sensing detection system in accordance with an embodiment of the present disclosure;

FIG. 2 is an overall view of a forehead fixing strap at a skull location according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of a forehead securing strap according to an embodiment of the present disclosure;

FIG. 4 is a schematic diagram of a sensor node structure according to an embodiment of the present disclosure;

FIG. 5 is a schematic diagram of a fixed sensor node on a latitudinal/longitudinal sideband in accordance with an exemplary embodiment of the present disclosure;

FIG. 6 is a schematic diagram illustrating adjustment of longitude and latitude bands in the longitude/latitude directions according to an embodiment of the present disclosure;

FIG. 7 illustrates a fixed orientation of a sensor in a longitudinal, latitudinal band in accordance with an exemplary embodiment of the present disclosure; FIG. 8 is a top plan view of a fixed disk with dimensional bands at the edges of the ears according to an embodiment of the disclosure, with the degree of compression of the bands being adjustable;

fig. 9 is a cross-sectional view of a fixed disk with dimensional bands at the edges of the ear, with the band compression being adjustable, according to an embodiment of the disclosure.

Detailed Description

It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The embodiments and features of the embodiments of the present invention may be combined with each other without conflict.