CN203789925U - Horizontally-arranged biological impedance measuring probe - Google Patents
Horizontally-arranged biological impedance measuring probe Download PDFInfo
- Publication number
- CN203789925U CN203789925U CN201420166908.5U CN201420166908U CN203789925U CN 203789925 U CN203789925 U CN 203789925U CN 201420166908 U CN201420166908 U CN 201420166908U CN 203789925 U CN203789925 U CN 203789925U
- Authority
- CN
- China
- Prior art keywords
- electrode
- impedance measuring
- measuring probe
- area
- horizontally
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The utility model relates to the field of impedance measuring devices, and particularly discloses a horizontally-arranged biological impedance measuring probe. The horizontally-arranged biological impedance measuring probe comprises a substrate, and a first electrode, a second electrode, a third electrode and a fourth electrode which are embedded into the substrate, wherein the first electrode and the fourth electrode have the same area; the second electrode and the third electrode have the same area; the area of the second electrode is not larger than that of the first electrode; the first electrode and the second electrode are in axially-symmetrical arrangement with the third electrode and the fourth electrode. According to the technical scheme, influence of contact resistance between the electrodes and a measured organism and polarization between the electrodes and measured biological tissue electrolyte on measurement accuracy is reduced, consistency of surface contact with a biological tissue is ensured, and the stability of measurement performance can be improved; the horizontally-arranged biological impedance measuring probe has the characteristics of simple structure, convenience in operation and wide application range.
Description
Technical field
This utility model relates to impedance bioelectrical measurement device field, especially relates to a kind of transversely arranged biological impedance probe.
Background technology
Biological impedance is the detection technique of a kind of electrical characteristics of utilizing biological tissue and organ and Changing Pattern extraction thereof and Human Physiology, pathological condition relevant information, has the features such as noinvasive, harmless, cheap, simple to operate and function information be abundant.When carrying out biological tissue's impedance bioelectrical measurement, owing to having larger contact impedance and the impact of the polarization between electrode and tested biological tissue electrolyte on certainty of measurement between electrode and tested organism, in order to reduce this contact impedance and the impact of polarization on certainty of measurement, generally use four electrode method to measure.And typical four-probe measurement system comprises two pairs of electrodes, the AC signal of pair of exciting is introduced tested biological tissue, and another is got involved between two exciting electrodes measurement electrode, detects the response of biological tissue to be measured.For example: generally adopt rectangle or columniform measuring box, but because needs were cut into cuboid or cylinder by tested biological tissue before measuring, operating process is complicated, measurement effect is not accurate enough.Through research, show, in measurement electrode, between the distribution mode of electrode, shape and structure and electrode, spacing all has impact to measuring biological tissue.
Utility model content
The deficiency existing for above-mentioned prior art, the purpose of this utility model is to provide a kind of contact impedance and the transversely arranged bio-electrical impedance measuring probe of electrode polarization on certainty of measurement impact of reducing.
To achieve these goals, the technical scheme that this utility model adopts is as follows:
A kind of transversely arranged bio-electrical impedance measuring probe, comprise substrate and be embedded in the first electrode, the second electrode, third electrode and the 4th electrode on described substrate, the first electrode and the 4th electrode area equate, the second electrode is equal with third electrode area, and the area of the second electrode is not more than the area of the first electrode, wherein the first electrode and the second electrode and third electrode and the 4th electrode distribute axisymmetricly.
Preferably, between the first electrode and the second electrode, between spacing and third electrode and the 4th electrode, spacing equates.
Preferably, the first electrode and the 4th electrode are exciting electrode, and the second electrode and third electrode are measurement electrode.
Preferably, the first electrode, the second electrode, third electrode and the 4th electrode is shaped as semilune.
Preferably, the first electrode, the second electrode, third electrode and the 4th electrode is shaped as circle.
Preferably, the first electrode, the second electrode, third electrode and the 4th electrode be shaped as square.
Preferably, the surface of described four electrodes flushes with described substrate surface.
Adopt after said structure, the advantage that compared to the prior art this utility model had is: use four-probe measurement method, in order to reduce contact impedance and the impact of the polarization between electrode and tested biological tissue electrolyte on certainty of measurement between electrode and tested biology, the area that four electrodes are set to measurement electrode is not more than the area of exciting electrode and distributes axisymmetricly; In addition, described four electrodes are coaxial isoplanar, even flush with substrate, can not only guarantee the concordance that contacts with biological tissue face, also can improve the stability of measurement performance.And this utility model also has feature simple in structure, easy to operate and applied widely.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further illustrated:
Fig. 1 is the structural representation of probe described in embodiment mono-described in the utility model.
Fig. 2 is the structural representation of probe described in embodiment bis-described in the utility model.
Fig. 3 is the structural representation of probe described in embodiment tri-described in the utility model.
Fig. 4 is the structural representation of probe described in embodiment tetra-described in the utility model.
Reference numeral:
10-substrate, 20-the first electrode, 30-the second electrode, 40-third electrode, 50-the 4th electrode.
The specific embodiment
The following stated is only preferred embodiment of the present utility model, does not therefore limit protection domain of the present utility model.
Embodiment mono-:
As shown in Figure 1, embodiment mono-described in the utility model provides a kind of transversely arranged bio-electrical impedance measuring probe, comprises substrate 10 and is embedded in the first electrode 20, the second electrode 30, third electrode 40 and the 4th electrode 50 on described substrate 10.In the present embodiment, the first electrode 20, the second electrode 30, third electrode 40 and the 4th electrode 50 is shaped as semilune.In order to reduce contact impedance and the impact of the polarization between electrode and tested biological tissue electrolyte on certainty of measurement between electrode and tested biology, the first electrode 20 and the 4th electrode 50 areas equate, the second electrode 30 is equal with third electrode 40 areas, and the area of the second electrode 30 is not more than the area of the first electrode 20, wherein the first electrode 20 and the second electrode 30 distribute axisymmetricly with third electrode 40 and the 4th electrode 50.
In the present embodiment, the first electrode 20 and 30 spacing of the second electrode equate with third electrode 40 and 50 spacing of the 4th electrode.The first electrode 20 and the 4th electrode 50 are exciting electrode, and the second electrode 30 and third electrode 40 are measurement electrode.Because the area of the Area Ratio measurement electrode of exciting electrode is large, the swept area of the electric field forming when exciting electrode energising is just large, and the signal that therefore measurement electrode less than exciting electrode area gathers in the electric field radiation region of exciting electrode more accurately and stable.The surface of described four electrodes flushes with described substrate surface, with the concordance that guarantees to contact with biological tissue face, also can improve the stability of measurement performance.
Embodiment bis-:
As shown in Figure 2, embodiment bis-described in the utility model provides a kind of transversely arranged bio-electrical impedance measuring probe, and this probe and above-described embodiment one difference are: being shaped as of the first electrode 20, the second electrode 30, third electrode 40 and the 4th electrode 50 is square.Simultaneously, the first electrode 20 and the 4th electrode 50 areas equate, the second electrode 30 is equal with third electrode 40 areas, and the area of the second electrode 30 is not more than the area of the first electrode 20, wherein the first electrode 20 and the second electrode 30 distribute axisymmetricly with third electrode 40 and the 4th electrode 50.In addition, other structures, with identical described in embodiment mono-, do not repeat them here.
Embodiment tri-:
As shown in Figure 3, embodiment tri-described in the utility model provides a kind of transversely arranged bio-electrical impedance measuring probe, this probe and above-described embodiment one difference are: the first electrode 20 and the 4th electrode 50 be shaped as circle, being shaped as of the second electrode 30 and third electrode is square.Simultaneously, the first electrode 20 and the 4th electrode 50 areas equate, the second electrode 30 is equal with third electrode 40 areas, and the area of the second electrode 30 is not more than the area of the first electrode 20, wherein the first electrode 20 and the second electrode 30 distribute axisymmetricly with third electrode 40 and the 4th electrode 50.In addition, other structures, with identical described in embodiment mono-, do not repeat them here.
Embodiment tetra-:
As shown in Figure 4, embodiment tetra-described in the utility model provides a kind of transversely arranged bio-electrical impedance measuring probe, this probe and above-described embodiment one difference are: being shaped as of the first electrode 20 and the 4th electrode 50 is square, the second electrode 30 and third electrode be shaped as circle.Simultaneously, the first electrode 20 and the 4th electrode 50 areas equate, the second electrode 30 is equal with third electrode 40 areas, and the area of the second electrode 30 is not more than the area of the first electrode 20, wherein the first electrode 20 and the second electrode 30 distribute axisymmetricly with third electrode 40 and the 4th electrode 50.In addition, other structures, with identical described in embodiment mono-, do not repeat them here.
Upper content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, for example: exciting electrode and measurement electrode can also be circle or other shape and structures, and this description should not be construed as restriction of the present utility model.
Claims (7)
1. a transversely arranged bio-electrical impedance measuring probe, comprise substrate and be embedded in the first electrode, the second electrode, third electrode and the 4th electrode on described substrate, it is characterized in that, the first electrode and the 4th electrode area equate, the second electrode is equal with third electrode area, and the area of the second electrode is not more than the area of the first electrode, wherein the first electrode and the second electrode and third electrode and the 4th electrode distribute axisymmetricly.
2. bio-electrical impedance measuring probe according to claim 1, is characterized in that, between the first electrode and the second electrode, between spacing and third electrode and the 4th electrode, spacing equates.
3. bio-electrical impedance measuring probe according to claim 1, is characterized in that, the first electrode and the 4th electrode are exciting electrode, and the second electrode and third electrode are measurement electrode.
4. bio-electrical impedance measuring probe according to claim 1, is characterized in that, the first electrode, the second electrode, third electrode and the 4th electrode be shaped as semilune.
5. bio-electrical impedance measuring probe according to claim 1, is characterized in that, the first electrode, the second electrode, third electrode and the 4th electrode be shaped as circle.
6. bio-electrical impedance measuring probe according to claim 1, is characterized in that, being shaped as of the first electrode, the second electrode, third electrode and the 4th electrode is square.
7. bio-electrical impedance measuring probe according to claim 1, is characterized in that, the surface of described four electrodes flushes with described substrate surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420166908.5U CN203789925U (en) | 2014-04-08 | 2014-04-08 | Horizontally-arranged biological impedance measuring probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420166908.5U CN203789925U (en) | 2014-04-08 | 2014-04-08 | Horizontally-arranged biological impedance measuring probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203789925U true CN203789925U (en) | 2014-08-27 |
Family
ID=51372207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420166908.5U Expired - Lifetime CN203789925U (en) | 2014-04-08 | 2014-04-08 | Horizontally-arranged biological impedance measuring probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203789925U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107185850A (en) * | 2017-06-06 | 2017-09-22 | 浙江大学 | A kind of Vigor of Zea mays L. Seeds detection means based on high light spectrum image-forming and electrical impedance |
| WO2017219239A1 (en) * | 2016-06-21 | 2017-12-28 | 悦享趋势科技（北京）有限责任公司 | Detector for detecting state of physiological tissue, and detection method thereof |
| CN108042134A (en) * | 2018-01-12 | 2018-05-18 | 思澜科技（成都）有限公司 | A kind of probe and system for bio-electrical impedance test |
| CN112294286A (en) * | 2020-11-19 | 2021-02-02 | 西安电子科技大学 | A device for measuring human abdominal impedance |
| CN113543709A (en) * | 2019-03-06 | 2021-10-22 | 通用电气精准医疗有限责任公司 | Method and system for obtaining a patient's electrocardiogram signal via a non-adherent direct contact electrode device |
-
2014
- 2014-04-08 CN CN201420166908.5U patent/CN203789925U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017219239A1 (en) * | 2016-06-21 | 2017-12-28 | 悦享趋势科技（北京）有限责任公司 | Detector for detecting state of physiological tissue, and detection method thereof |
| CN107185850A (en) * | 2017-06-06 | 2017-09-22 | 浙江大学 | A kind of Vigor of Zea mays L. Seeds detection means based on high light spectrum image-forming and electrical impedance |
| CN108042134A (en) * | 2018-01-12 | 2018-05-18 | 思澜科技（成都）有限公司 | A kind of probe and system for bio-electrical impedance test |
| CN113543709A (en) * | 2019-03-06 | 2021-10-22 | 通用电气精准医疗有限责任公司 | Method and system for obtaining a patient's electrocardiogram signal via a non-adherent direct contact electrode device |
| CN112294286A (en) * | 2020-11-19 | 2021-02-02 | 西安电子科技大学 | A device for measuring human abdominal impedance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203789925U (en) | Horizontally-arranged biological impedance measuring probe | |
| CN103743787B (en) | A kind of triaxial test soil sample water content distribution test device | |
| CN203789926U (en) | Annular array type biological impedance measuring probe | |
| IL179295A (en) | Method and device for determining a parameter of living tissue | |
| EP2741064A3 (en) | Capacitive Tactile Sensor | |
| Zhang et al. | The effects of surfactant template concentration on the supercapacitive behaviors of hierarchically porous carbons | |
| EP3495932A3 (en) | Coordinate indicating apparatus and coordinate measurement apparatus for measuring input position of coordinate indicating apparatus | |
| RU2016134240A (en) | Electrode Testing Device | |
| CN104634832A (en) | CMOS MEMS capacitance-type humidity sensor and preparation method thereof | |
| EP2461240A3 (en) | Detecting sensor, indicator position detecting device, and method for manufacturing detecting sensor | |
| EP1936365A3 (en) | Set with ion-selective fixed contact electrodes | |
| CN104407021A (en) | Soil moisture content measuring device | |
| CN102679954A (en) | Five-electrode four-direction electronic level meter of nanometer conducting liquid switch | |
| CN204072091U (en) | A kind of probe for measuring bio-impedance | |
| CN106970268A (en) | Single-phase overhead transmission line of electricity phase voltage method for self-calibrating based on shunt capacitance | |
| WO2003020125A3 (en) | Device and method for detecting bioelectric signals from electrophysiologically active regions in spheroids | |
| CN104095631A (en) | Biological impedance measurement probe based on four-electrode model | |
| CN205015307U (en) | Soil moisture sensor and flowerpot for flowerpot | |
| CN204203155U (en) | High-tension apparatus region dust humidity detection system | |
| CN203893916U (en) | Fuel level sensor with movable parallel pole plate and fixed parallel pole plate | |
| Baeuscher et al. | Simulation and electrical characterization of a novel 2D-printed incontinence sensor with conductive polymer PEDOT: PSS for medical applications | |
| CN206515426U (en) | Material dielectric parameter testing electrode device | |
| CN202442987U (en) | Water content detector for meat foods | |
| CN209003987U (en) | Bioelectricity acquisition device | |
| CN202404058U (en) | Contact-type fresh meat moisture content detecting sensor probe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |
|
| CX01 | Expiry of patent term |