CN105455808A - Electrode and measurement system for measuring human body surface electrical characteristics - Google Patents
Electrode and measurement system for measuring human body surface electrical characteristics Download PDFInfo
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- CN105455808A CN105455808A CN201410321638.5A CN201410321638A CN105455808A CN 105455808 A CN105455808 A CN 105455808A CN 201410321638 A CN201410321638 A CN 201410321638A CN 105455808 A CN105455808 A CN 105455808A
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Abstract
The invention provides an electrode and measurement system for measuring human body surface electrical characteristics. The electrode comprises at least two excitation loading electrodes and at least two signal acquisition electrodes. The excitation loading electrodes and the signal acquisition electrodes are separated from each other. By means of the mode that the excitation loading electrodes and the signal acquisition electrodes are independently arranged, the excitation loading electrodes and the signal acquisition electrodes are insulated from each other, and therefore contact resistance and the polarization effect between the electrode and human body surfaces can be effectively eliminated, and measurement accuracy of human body surface electrical characteristics is improved.
Description
Technical field
The present invention relates to electrode technology field, being specifically related to a kind of electrode for measuring body surface electrical characteristics and measuring system.
Background technology
Medical research shows, by observing body surface electrical characteristics and monitor, can obtain the electrical characteristics of body surface, and then can know human internal organs and immune information.Existing medical skill generally adopts electrode to contact with body surface and obtains body surface electrical characteristics, and good electrode, for measurement body surface electric signals, judges that human health status serves crucial effect.
In the measurement electrode of existing measurement body surface electrical characteristics, it is generally the form adopting bipolar electrode.For to human body on-load voltage electrode and to obtain the electrode of the signal of telecommunication from body surface be generally same, cause the interference of acquired signal larger, utilize this electrode to collect body surface signal and often comprise the contact resistance being difficult to remove, produce polarity effect, measure the resultant error obtained very large.
Summary of the invention
The embodiment of the present invention provides a kind of electrode for measuring body surface electrical characteristics and measuring system, can the electrical characteristics of Measurement accuracy body surface.
According to the first aspect of the application, a kind of electrode for measuring body surface electrical characteristics being provided, comprising: at least two excitations load electrode, for loading the alternating current of constant amplitude to body surface; And at least two electrode signal acquisitions, for gathering the potential difference signal of described body surface; Described excitation loads electrode and described electrode signal acquisition is separated from each other.
Optionally, described excitation loading electrode and described electrode signal acquisition are positioned in same level.
Optionally, described electrode signal acquisition loads between electrode in described excitation.
Optionally, described excitation loading electrode and described electrode signal acquisition are made on flexible printed board.
Optionally, described flexible printed board is the three-decker of vertical arrangement: comprise two-layer layers of copper and one deck polyimide layer, and described polyimide layer is positioned at the centre of described two-layer layers of copper.
Optionally, described electrode is copper post, and top layer is circular arc.
Optionally, described copper post quantity is two-layer.
According to the second aspect of the application, a kind of measuring system for measuring body surface electrical characteristics being provided, comprising: for measuring electrode, the excitation load-on module and signal detection module of body surface characteristic described at least more than one; Described excitation load-on module loads Electrode connection by described flexible connector and described excitation, for loading the alternating current of electrode to body surface loading constant amplitude by described excitation; Described signal detection module is connected with described electrode signal acquisition by described flexible connector, for being gathered the potential difference signal of body surface by described electrode signal acquisition.
Optionally, also comprise: encourage with described the flexible connector loading electrode and described electrode signal acquisition and be connected by metal wire, described flexible connector adopts flexible printed board to make.
Optionally, also comprise: high input impedance voltage amplifier, described high input impedance voltage amplifier is connected with described signal detection module.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
Electrode and measuring system for measuring body surface electrical characteristics that the application provides, comprise at least two excitations and load electrode and at least two electrode signal acquisitions, and excitation loads electrode and electrode signal acquisition is separated from each other, this mode that excitation loading electrode and electrode signal acquisition are independently arranged, excitation loading electrode and electrode signal acquisition is made to be insulate each other, therefore effectively can remove contact resistance and the polarity effect of electrode and body surface, promote the accuracy of measurement to body surface electrical characteristics.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the electrode structure schematic diagram according to the embodiment of the present invention one;
Fig. 2 is the structural representation of the measuring system flexible connector for measuring body surface electrical characteristics of the present invention;
Fig. 3 is the another kind of structural representation of the electrode according to the embodiment of the present invention one;
Fig. 4 is the structural representation of the detection system according to the embodiment of the present invention two.
Detailed description of the invention
Embodiment one:
According to one embodiment of the present invention, with reference to figure 1, a kind of electrode 100 for measuring body surface electrical characteristics being provided, can comprising:
At least two excitations load electrode 1, for loading the alternating current of constant amplitude to body surface; And at least two electrode signal acquisitions 2, for gathering the potential difference signal of described body surface.
Excitation loads electrode 1 and is separated from each other 2 with electrode signal acquisition.
The electrode for measuring body surface electrical characteristics that the embodiment of the present application provides, comprise at least two excitations and load electrode and at least two electrode signal acquisitions, and excitation loads electrode and electrode signal acquisition is separated from each other, this mode that excitation loading electrode and electrode signal acquisition are independently arranged, excitation loading electrode and electrode signal acquisition is made to be insulate each other, therefore effectively can remove contact resistance and the polarity effect of electrode and body surface, promote the accuracy of measurement to body surface electrical characteristics.
A kind of optional embodiment, electrode signal acquisition 2 loads between electrode 1 in excitation.
A kind of optional embodiment, excitation loads electrode 1 and electrode signal acquisition 2 is positioned in same level.
A kind of optional embodiment, excitation loads electrode 1 and electrode signal acquisition 2 is made on flexible printed board 3.
Load electrode 1 for two electrode signal acquisitions 2 and two excitations to be below introduced, it is worthy of note, it will be apparent to those skilled in the art clear, the present embodiment is not make restriction to the quantity of excitation loading electrode 1 and electrode signal acquisition 2.
As shown in Figure 1, two electrode signal acquisitions 2 and two excitations load electrode 1 horizontal arrangement on flexible printed board 3, and two electrode signal acquisitions 2 are positioned at by middle position, and two excitations load the outside that electrode 1 is positioned at two electrode signal acquisitions 2.Under a kind of feasible technique realizes, can two electrode signal acquisitions 2 be arranged on flexible printed board 3 in the mode at a distance of 5cm, two excitations load electrode 1 be separately positioned on two electrode signal acquisitions 2 to 1cm place, outside.It is the flexible material of insulation between two electrode signal acquisitions 2 and two four dry electrodes encouraging loading electrode 1 to form, therefore, can by establishing the stretching or compression of working as, realize the adjustment of spacing between electrodes, such as, the spacing of two electrode signal acquisitions 2 can be adjusted to and be less than 5cm, make electrode integral be made into less volume, be applicable to the measurement of the electrical characteristics of the body surface (as fritter skin) of zonule.The present embodiment is by the embodiment of electrode fabrication in flexible printed board 3, and electrode is more fitted body surface, and can tackle different application scenarios, the scope of application is wider.
A kind of preferred embodiment, flexible printed board 3 is the three-decker of vertical arrangement, comprises the centre that two-layer layers of copper 30 and one deck polyimides (PI, Polyimide) 31, PI layer 31 are positioned at two-layer layers of copper 30.
See also Fig. 2, a kind of optional embodiment, excitation loads electrode 1 and electrode signal acquisition 2 is connected on a flexible connector 4 by metal wire 5, and flexible connector 4 adopts flexible printed board (FPC) to make.(FPC) as a kind of special electronic interconnect technology, there is the features such as light, thin, short, little, flexible structure compared with general rigid printed board, except can except static buckling, can also dynamic bending, curling and folding etc., can realize and the miniaturization of subsequent conditioning circuit coupling part and motility.Flexible connector 4 can be connected with excitation load-on module and signal detection module.
Refer to Fig. 3, a kind of preferred embodiment, what the embodiment of the present application provided is copper post 40 for measuring the electrode of body surface electrical characteristics, and top layer is circular arc.A kind of preferred embodiment, the quantity of copper post 40 is two-layer.
A kind of attainable technique, the electrode of the present embodiment is two-layer by electroplating the copper post obtained, and the diameter range of lower floor's copper post 40 can be 100-200um, and height is 40-50um, and the diameter of upper copper post 40 can be 50-100um, and height is 20-30um.It is worthy of note, in the attainable embodiment of another kind, electrode also can manufacture one deck copper post 40 that top layer is circular arc, and the present embodiment is not construed as limiting this.
What needs further illustrated is, the top layer of electrode is circular arc, and formed by copper production, measure body surface electrical characteristics time, electrode can be made to penetrate into the horny layer of body surface (skin), make measure time and body surface more fit, and the electrode of the application is when thrusting skin, painless, not hemorrhage, safe and effective.Because electrode and body surface are fitted, therefore, it is possible to effectively eliminate contact resistance and the polarity effect of electrode and body surface further.
Embodiment two:
According to a kind of embodiment of the application, be provided for the measuring system measuring body surface electrical characteristics, with reference to figure 3, this system can comprise: any one described in embodiment one is for measuring electrode 100, the excitation load-on module 101 and signal detection module 102 of body surface characteristic.
Excitation load-on module 101 loads electrode 1 with the excitation of electrode 100 and is connected, for being loaded the alternating current of electrode 1 to body surface loading constant amplitude by excitation.
Signal detection module 102 is connected with the electrode signal acquisition 2 of electrode 100, for being gathered the potential difference signal of body surface by electrode signal acquisition 2.
See also Fig. 2, preferably, also comprising for the measuring system measuring body surface electrical characteristics of the present embodiment: load with excitation the flexible connector 4 that electrode 1 and electrode signal acquisition 2 be connected by metal wire 5, flexible connector 4 adopts flexible printed board to make.The effect of flexible connector 4 refers to the introduction of embodiment one, and the present embodiment no longer repeats.
The application's system also comprises: high input impedance voltage amplifier 103, and high input impedance voltage amplifier 103 is connected with signal detection module 102.
Be separated from each other with electrode signal acquisition 2 owing at least encouraging loading electrode 1, electrode signal acquisition 2 is in the more uniform centre position of electric current distribution, when adopting the voltage amplifier 103 of high input impedance, excitation loads electrode 1 and is effectively eliminated with the impact of contact resistance on measurement result of tested human body body surface organization, and the polarity effect simultaneously between electrode and biological tissue's electrolyte is also negligible.So the measuring system of the application is applicable to the biological impedance of wider frequency range.
The foregoing is only preferred embodiment of the present invention, should be appreciated that these embodiments only in order to explain the present invention, be not intended to limit the present invention.For one of ordinary skill in the art, according to thought of the present invention, can change above-mentioned detailed description of the invention.
Claims (10)
1. for measuring an electrode for body surface electrical characteristics, it is characterized in that, comprising:
At least two excitations load electrode, for loading the alternating current of constant amplitude to body surface; And at least two electrode signal acquisitions, for gathering the potential difference signal of described body surface;
Described excitation loads electrode and described electrode signal acquisition is separated from each other.
2. as claimed in claim 1 for measuring the electrode of body surface electrical characteristics, it is characterized in that, described excitation loads electrode and described electrode signal acquisition is positioned in same level.
3. as claimed in claim 2 for measuring the electrode of body surface electrical characteristics, it is characterized in that, described electrode signal acquisition loads between electrode in described excitation.
4. as the electrode for measuring body surface electrical characteristics in claim 1-3 as described in any one, it is characterized in that, described excitation loads electrode and described electrode signal acquisition is made on flexible printed board.
5. as claimed in claim 4 for measuring the electrode of body surface electrical characteristics, it is characterized in that, described flexible printed board is the three-decker of vertical arrangement: comprise two-layer layers of copper and one deck polyimide layer, and described polyimide layer is positioned at the centre of described two-layer layers of copper.
6. as the electrode for measuring body surface electrical characteristics in claim 1-3 as described in any one, it is characterized in that, described electrode is copper post, and top layer is circular arc.
7. as the electrode for measuring body surface electrical characteristics in claim 1-3 as described in any one, it is characterized in that, described copper post quantity is two-layer.
8. for measuring a measuring system for body surface electrical characteristics, it is characterized in that, comprising: at least one as in claim 1-7 as described in any one for measuring electrode, the excitation load-on module and signal detection module of body surface characteristic;
Described excitation load-on module loads Electrode connection by described flexible connector and described excitation, for loading the alternating current of electrode to body surface loading constant amplitude by described excitation;
Described signal detection module is connected with described electrode signal acquisition by described flexible connector, for being gathered the potential difference signal of body surface by described electrode signal acquisition.
9. as claimed in claim 8 for measuring the electrode of body surface electrical characteristics, it is characterized in that, also comprise: encourage with described the flexible connector loading electrode and described electrode signal acquisition and be connected by metal wire, described flexible connector adopts flexible printed board to make.
10. as claimed in claim 8 for measuring the measuring system of body surface electrical characteristics, it is characterized in that, also comprise: high input impedance voltage amplifier, described high input impedance voltage amplifier is connected with described signal detection module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410321638.5A CN105455808A (en) | 2014-07-07 | 2014-07-07 | Electrode and measurement system for measuring human body surface electrical characteristics |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410321638.5A CN105455808A (en) | 2014-07-07 | 2014-07-07 | Electrode and measurement system for measuring human body surface electrical characteristics |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1489447A (en) * | 2000-11-29 | 2004-04-14 | ��ʽ���簢�й���9 | Method and device for measuring body composition |
| CN1679442A (en) * | 2004-04-05 | 2005-10-12 | 株式会社百利达 | Body fat measurement apparatus |
| WO2007075410A2 (en) * | 2005-12-16 | 2007-07-05 | Bayer Healthcare Llc | In-vivo non-invasive bioelectric impedance analysis of glucose-mediated changes in tissue |
| CN101547634A (en) * | 2006-12-01 | 2009-09-30 | 欧姆龙健康医疗株式会社 | Sphygmometric electrode unit, and sphygmometer |
| CN101827554A (en) * | 2007-09-07 | 2010-09-08 | 英戈·弗洛尔 | Medical measuring device for bioelectrical impedance measurement |
| CN102028462A (en) * | 2009-10-01 | 2011-04-27 | 塞卡股份公司 | Bioimpedance measuring device |
-
2014
- 2014-07-07 CN CN201410321638.5A patent/CN105455808A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1489447A (en) * | 2000-11-29 | 2004-04-14 | ��ʽ���簢�й���9 | Method and device for measuring body composition |
| CN1679442A (en) * | 2004-04-05 | 2005-10-12 | 株式会社百利达 | Body fat measurement apparatus |
| WO2007075410A2 (en) * | 2005-12-16 | 2007-07-05 | Bayer Healthcare Llc | In-vivo non-invasive bioelectric impedance analysis of glucose-mediated changes in tissue |
| CN101547634A (en) * | 2006-12-01 | 2009-09-30 | 欧姆龙健康医疗株式会社 | Sphygmometric electrode unit, and sphygmometer |
| CN101827554A (en) * | 2007-09-07 | 2010-09-08 | 英戈·弗洛尔 | Medical measuring device for bioelectrical impedance measurement |
| CN102028462A (en) * | 2009-10-01 | 2011-04-27 | 塞卡股份公司 | Bioimpedance measuring device |
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Application publication date: 20160406 |