CN102894967B - Negative pressure hole medical body surface electrode in electrode attached plate - Google Patents
Negative pressure hole medical body surface electrode in electrode attached plate Download PDFInfo
- Publication number
- CN102894967B CN102894967B CN201210416703.3A CN201210416703A CN102894967B CN 102894967 B CN102894967 B CN 102894967B CN 201210416703 A CN201210416703 A CN 201210416703A CN 102894967 B CN102894967 B CN 102894967B
- Authority
- CN
- China
- Prior art keywords
- electrode
- contact surface
- negative pressure
- attached plate
- pressure hole
- 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.)
- Active
Links
Abstract
The present invention relates to<b>negative pressure hole medical body surface electrode in electrode attached plate</b>, including electrode contact head 300, electrode attached plate 305, electrode contact surface 301, negative pressure hole 304, attached plate contact surface 311; Electrode contact head 300 is round sheet, the one side of electrode contact head 300 is electrode contact surface 301, and electrode contact head 300 is fixed in electrode attached plate 305, and attached plate contact surface 311 is positioned at outside electrode contact surface 301, attached plate negative pressure hole 304 is distributed on attached plate contact surface 311<b>potentiometry reduction of area is little, is conducive to being accurately positioned and reduce measurement error and artifact.</b>
Description
Technical field
The present invention relates to negative pressure hole medical body surface electrode in electrode attached plate, in particular relate to the electrode that a kind of skin adopting negative pressure to make tested tissue contacts with electrode contact surface, be distributed in the external electrode in the electrode attached plate that electrode contact surface is peripheral more particularly to a kind of negative pressure hole.
Background technology: more in some electrode data, positioning accuracy request is higher and detects in the application of specific tiny area body surface electromotive force, such as in EIT and EIS imaging device, in order to ensure the precision of imaging, it is accomplished by substantial amounts of electrode, and the measurement and positioning required precision of electrode is significantly high.
Electrode be put on skin measure body surface electromotive force time, if skin is under pressure, be stretched the obvious deformation of generation, will change the CHARGE DISTRIBUTION of electrode-skin interface, cause that the body surface electromotive force of detection changes, make measurement heavily disturbed, increase measurement error and artifact.
It is frequently necessary to external electrode is fixed to detection position in organism surface potentiometry process, conventional fixed form includes two kinds, and one is to adopt binding agent that electrode sticks in position to be measured, and another is to utilize negative pressure by electrode adsorption in detection position. former type electrode unfit for, and although latter type electrode is suitable for reusing, but this negative pressure is inhaled ball electrode and is adopted bowl structure, namely electrode contact head 300 is in bowl-shape, negative pressure hole 304 opening of electrode is in the electrode negative pressure cavity 308 of electrode contact head 300 bowl structure, and by electrode negative tube 303 and Xi Qiu 306 UNICOM, electrode-skin interface includes electrode contact surface 301 and negative pressure contact surface 307, electrode contact surface 301 is the bowl-shape edge of electrode, in circular, annulus mid portion is negative pressure contact surface 307, when using this electrode detection, electrode potential detection faces includes whole electrode-skin interface, although the cross section of negative pressure hole 304 is only small, but the adsorption effect of electrode is subject to inhaling the restriction of bowl size, have to by expanding the diameter raising adsorption effect inhaling bowl, in order to reach good adsorption effect, inhale the negative pressure contact surface 307 of electrode tip negative pressure cavity 308 correspondence inhaled in bowl of ball electrode more than electrode contact surface 301, because negative pressure contact surface 307 is positioned at electrode contact surface 301 central authorities, although electrode contact surface 301 is less than middle negative pressure contact surface 307, but because negative pressure contact surface is positioned at the central authorities of electrode contact surface 301, therefore inhale ball electrode detection to signal be inhale the average body surface electric potential signal in the circle that bowl edge and contact skin are formed, significantly increase potentiometry face, this electrode is unfavorable for being accurately positioned detection position.
When above-mentioned electrode is placed on skin to measure body surface electromotive force, negative pressure contact surface is relatively big, causes that the skin histology in a big way is stretched and deforms upon, and the body surface electromotive force caused because stretching the skin deformation caused on a large scale changes the interference increased measurement; Electrode contact surface must bear bigger pressure could form sealing, the pressure suffered by skin contacted with electrode contact surface is bigger, the pressure deformation that skin causes because of compression face is also just big to the interference of measurement, meanwhile, electrode-skin interface is not easily accurately positioned by the impact inhaling bowl edge place area.
Technical scheme
Electrode adopt negative pressure mode be placed on skin measure body surface electromotive force time, in order to reduce measured signal experienced interference and conveniently be accurately positioned, the invention provides negative pressure hole medical body surface electrode in electrode attached plate, negative pressure hole is distributed in the attached plate around electrode contact surface, negative pressure contact surface is positioned at electrode contact surface periphery, when applying this electrode detection, potentiometry face diminishes, reduce tensile deformation and the pressure deformation of the skin in potentiometry face, be conducive to being accurately positioned and reduce measurement error and artifact.
Negative pressure hole medical body surface electrode in electrode attached plate, described electrode includes electrode contact head, electrode attached plate, electrode contact surface, negative pressure hole, attached plate contact surface; One side surface of electrode contact head is electrode contact surface, and electrode contact head is fixed in electrode attached plate, and attached plate contact surface is positioned at outside electrode contact surface, and negative pressure hole is distributed on attached plate contact surface.
Above-mentioned negative pressure hole medical body surface electrode in electrode attached plate, described electrode contact surface and attached plate contact surface in the same plane or electrode contact surface protrude attached plate contact surface.
Above-mentioned negative pressure hole medical body surface electrode in electrode attached plate, described electrode includes negative tube, and negative pressure hole passes electrode attached plate and negative tube UNICOM.
Above-mentioned negative pressure hole medical body surface electrode in electrode attached plate, the described electrode contact head a certain position except electrode contact surface is fixedly connected with electrode leader connector.
Above-mentioned negative pressure hole medical body surface electrode in electrode attached plate, described electrode attached plate is insulant.
Above-mentioned negative pressure hole medical body surface electrode in electrode attached plate, described electrode contact head is round sheet.
Above-mentioned negative pressure hole medical body surface electrode in electrode attached plate, described electrode contact surface is an outwardly sphere.
Beneficial effect: the present invention is by coordinating with negative pressure device, can realize reusing, the negative pressure in space, electrode contact surface place depends on the pressure difference that the air taken away from this space is formed, owing to electrode adsorption intensity is only relevant to the negative pressure that negative pressure device produces, and it is unrelated with the concrete size of electrode, negative pressure hole is positioned at the attached plate contact surface that electrode contact surface is peripheral, electrode contact surface does not just increase because of the existence of negative pressure contact surface, more much smaller than circular, because not having negative pressure hole, electrode contact surface to be equal to potentiometry face in electrode contact surface; The suction ball electrode of relative background technology, same electrode contact surface, the signal area that potentiometry face and electrode detect diminishes, thus being accurately positioned and signal measurement test point can be realized;
Negative pressure hole is at electrode contact surface circumferential openings, it is in same plane because of electrode contact surface and attached plate contact surface or electrode contact surface protrudes attached plate contact surface, negative pressure makes skin contact with attached plate contact surface, electrode contact surface effectively contacts with the skin of measured position simultaneously, and the skin that during use, electrode contact surface is corresponding does not have tensile deformation; On potentiometry face, skin pressure experienced is obviously reduced, and the ratio that skin deformation area accounts for electrode detection face area is little; Thus the signal change that tensile deformation causes reduces, the signal change that pressure deformation causes reduces, and measured signal experienced interference also just diminishes; The present invention is conducive to being accurately positioned and reduce measurement error and artifact.
Negative pressure hole of the present invention refers to the micro-through-hole on opening attached plate contact surface around electrode contact surface, the air in space, electrode contact surface place under depression generator effect, can be siphoned away and by the skin adsorption of tested tissue to electrode contact surface by these through holes.
Negative pressure contact surface of the present invention refers to that electrode is in use state, the region of more hypobaric air and contact skin in negative pressure cavity in electrode, the namely region of negative pressure and contact skin, inhale in background technology electrode tip in ball electrode be exactly negative pressure contact surface 307 to the skin surface position corresponding to negative pressure cavity 308, the skin surface position corresponding to the negative pressure hole described in the technology of the present invention is exactly negative pressure contact surface; Described electrode contact surface refers to the conductive surface of electrode on electrode/electrolyte junction face; Or refer to that there is conductive characteristic, with the contact portion that human contact can carry out signal extraction; Described potentiometry face refers to the potential region that electrode detects..
Accompanying drawing explanation
Fig. 1: inhale ball electrode Longitudinal cross section schematic: a kind of negative voltage electrode of the prior art, in figure, dotted line show negative pressure contact surface 307;
Fig. 2: the electrode contact surface front elevational schematic of electrode: have electrode attached plate around electrode contact surface, electrode attached plate has negative pressure hole;
The Section A-A schematic diagram of Fig. 3: Fig. 2;
Fig. 4: install the electrode hood perspective view of electrode;
Fig. 5: install the electrode hood cross sectional representation of electrode: the inwall of surrounding them is electrode attached plate
300-electrode contact head, 301-electrode contact surface; 302-pigtail splice, 303-negative tube, 304-negative pressure hole, 305-electrode attached plate, 306-negative pressure inhales ball, 307-negative pressure contact surface, 308-electrode tip negative pressure cavity, 311-attached plate contact surface, 901-outer wall, 902-mezzanine space, 903-inwall, 904-electrode, 905-negative pressure input port.
Detailed description of the invention
Embodiment 1:
Negative pressure hole medical body surface electrode in electrode attached plate, including electrode contact head 300, electrode attached plate 305, electrode contact surface 301, negative pressure hole 304, attached plate contact surface 311; Electrode contact head 300 is round sheet, the one side of electrode contact head 300 is electrode contact surface 301, electrode contact head 300 is fixed in electrode attached plate 305, attached plate contact surface 311 is positioned at outside electrode contact surface 301, and negative pressure hole 304 is distributed on attached plate contact surface 311 and arrives opposite side through electrode attached plate 305.
In embodiment 1, electrode contact surface 301 is with attached plate contact surface 311 place at grade.
In embodiment 1: if making electrode contact surface 301 protrude attached plate contact surface 311, contacting of electrode contact surface 301 and tested skin it is more beneficial for.
In embodiment 1, described negative pressure hole 304 is through electrode contact head 300 directly and pump-line UNICOM.
Electrode contact surface 301 described in embodiment 1 can be outwardly sphere; Its shape also may select other shapes, as square, but circular best; The laminated structure of electrode contact head 300 replaces with spherical or other shapes also dependent on the requirement using environment.
Electrode wires is connected with electrode contact head 300 by pigtail splice 302, it is possible to be welded on any position of the electrode contact head 300 of pigtail splice 302 side.
Electrode described in embodiment 1, in electrode attached plate 305, the negative pressure hole 304 of distribution just can make electrode contact surface 301 surrounding form negative pressure, and the skin of absorption tested tissue is attached on electrode contact surface.
The air in the space, electrodes contact surface 301 place described in embodiment 1 is taken away from the negative pressure hole 304 in electrode attached plate, electrode attached plate 305 and negative pressure hole institute in the contact surface of tested tissue just to skin surface formation negative pressure contact surface, negative pressure contact surface is positioned at electrode contact surface periphery, and negative pressure contact surface does not affect the size in potentiometry face.
Embodiment 2:
This enforcement basic scheme implements 1 together, and difference is in that: described electrode includes negative tube 303, and negative tube 303 is fixed in electrode attached plate 305, and negative pressure hole 304 passes electrode attached plate 305 and negative tube 303 UNICOM. When using electrode amount, there is dress UNICOM with air extractor and negative pressure in negative tube 303.
Embodiment 3: the electrode contact head 300 of electrode makes spheroidal, its one side is electrode contact surface 301, and electrode contact surface 301 is sphere, the leaded joint 302 of fixed connection on the back side of electrode contact surface 301, above-mentioned electrode is fixed in the insulation cup that can produce negative pressure, opposite side at electrode contact head 300, the namely inner surface fixed connection of electrode contact surface 301 one side behind and the negative pressure cover of electrode, electrode contact surface 301 protrudes the inner surface of insulation cup, the cover wall fixing negative pressure cover here is exactly electrode attached plate, negative tube UNICOM outside having negative pressure hole with negative pressure cover on the inner surface of negative pressure cover, under suction function, pressure within tested tissue is more than the air pressure in space, electrode contact surface 301 place, tested tissue expands and makes its skin contact with electrode contact surface 301. negative pressure contact surface is positioned at the periphery of electrode contact surface, negative pressure contact surface does not affect the size in potentiometry face, signal area is no longer the skin within the cylindrical of annulus, but it is consistent with the shape of electrode contact surface 301, the size in potentiometry face is equal to the size of electrode contact surface 301, an equal amount of electrode contact surface, electric potential signal region diminishes, and is conducive to signal framing.
In embodiment 3, it is spherical that the electrode contact head 300 of electrode can make semicircle, and electrode contact surface 301 is sphere, and electrode contact head 300 opposite side can make plane, conveniently pastes on electrode attached 305 i.e. cover wall.
If electrode attached plate is not insulant, at least insulating barrier should be had to stop them mutually to conduct electricity in the contact portion of electrode contact head 300 with electrode attached plate 305.
If the electrode described in embodiment 3 is installed on the inwall of negative pressure cover, electrode contact surface and negative pressure cover wall not in one plane time, electrode attached plate 305 can reduce the tensile deformation of tested skin.
Embodiment 3: the present embodiment basic scheme is with embodiment 2, and difference is in that: electrode attached plate 305 is also for conductive material. When described in embodiment 3, electrode attached plate 305 is conductive material, electrode attached plate 305 and electrode contact surface 301 can conduct electricity, now electrode detection face is: the contact surface of electrode attached plate 305 and electrode contact surface 301 and skin, in electrode attached plate 305, the cross section of the negative pressure hole of distribution is negative pressure contact surface, negative pressure contact surface is much smaller than electrode contact surface, potentiometry face does not significantly increase because of the existence of negative pressure contact surface, separately because the diameter of negative pressure hole is only small, skin by negative-pressure adsorption is formed and supports by electrode attached plate 305, and the deformation that skin causes because of stretching is just little.
Embodiment 4: this example is the concrete application example of the present invention. electrode inspector for EIT breast imaging, it is hollow sandwich 902 between diagram electrode negative pressure cover outer wall 901 and inwall 903, negative pressure is input in hollow sandwich 902 by negative pressure input port 905 by outside negative pressure device, diagram electrode is electrode 904 of the present invention, electrode 904 is arranged on electrode hood inwall 903, negative pressure in electrode hood hollow sandwich 902 is delivered to measured target and space by the negative pressure hole 304 on electrode 904, realize the absorption to measured target, make the electrode contact surface 301 of electrode 904 closely against on measured target simultaneously, thus realizing effective pickup of signal.
In embodiment 5:
Originally in the basic scheme of embodiment with embodiment 4, difference is in that: inwall 903 is exactly the electrode attached plate 305 described in embodiment 1-3, and inwall 903 is exactly the inner surface described in embodiment 1-3 is exactly attached plate contact surface 311.
In embodiment 5, the electrode contact surface 301 of the electrode 904 installed does not have negative pressure hole, the inwall 903 around electrode 904 offers negative pressure hole 304, now, inwall 903 is equivalent to the electrode attached plate of insulation, it is also possible to realize the purpose to measured target absorption.
Negative pressure hole 304 also can not pass through negative tube 303, and directly and hollow sandwich 902 UNICOM.
In the above-described embodiments, described electrode attached plate preferred insulative material, insulant may select insulant that is nonconducting under the upper insulant, particularly normal temperature and pressure generally acknowledged of electrician and that can keep its shape: such as insulating rubber slab, micarex, plastic plate etc.
Embodiment 5: the present embodiment basic scheme is with implementing 1,2, or 3, difference is in that: multiple electrode contact heads 300 are fixed in same electrode attached plate 305, the shape of electrode attached plate 305 inner surface can change according to the shape of measurand outer surface, and the mutual alignment relation between each electrode contact head 300 can need according to detection and fix respectively on electrode attached plate contact surface.
In above-described embodiment, described attached plate contact surface is generally plane consecutive with electrode contact surface, environment used by electrode, the shape of attached plate contact surface 311 can have certain change, and the cup inwall 903 in embodiment 4 is exactly the electrode attached plate that attached plate contact surface has certain bending.
Claims (6)
1. negative pressure hole medical body surface electrode in electrode attached plate, it is characterised by: described electrode includes electrode contact head (300), electrode attached plate (305), electrode contact surface (301), negative pressure hole (304), attached plate contact surface (311); One side surface of electrode contact head (300) is electrode contact surface (301), electrode contact head (300) is fixed in electrode attached plate (305), described electrode contact surface (301) and attached plate contact surface (311) in the same plane or electrode contact surface (301) protrude attached plate contact surface (311), and attached plate contact surface (311) is positioned at electrode contact surface (301) periphery, negative pressure hole (304) is distributed on attached plate contact surface (311).
2. the negative pressure hole according to claim 1 medical body surface electrode in electrode attached plate, being characterised by: described electrode includes negative tube (303), negative pressure hole (304) passes electrode attached plate (305) and negative tube (303) UNICOM.
3. the negative pressure hole according to claim 2 medical body surface electrode in electrode attached plate, is characterised by: the described electrode contact head (300) a certain position except electrode contact surface (301) is fixedly connected with electrode leader connector (302).
4. the negative pressure hole according to claim 2 medical body surface electrode in electrode attached plate, is characterised by: described electrode attached plate (305) is insulant.
5. the negative pressure hole according to claim 4 medical body surface electrode in electrode attached plate, is characterised by: described electrode contact head (300) is round sheet.
6. the negative pressure hole according to claim 4 medical body surface electrode in electrode attached plate, is characterised by: described electrode contact surface (301) is an outwardly sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210416703.3A CN102894967B (en) | 2012-10-28 | 2012-10-28 | Negative pressure hole medical body surface electrode in electrode attached plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210416703.3A CN102894967B (en) | 2012-10-28 | 2012-10-28 | Negative pressure hole medical body surface electrode in electrode attached plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102894967A CN102894967A (en) | 2013-01-30 |
| CN102894967B true CN102894967B (en) | 2016-06-15 |
Family
ID=47567673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210416703.3A Active CN102894967B (en) | 2012-10-28 | 2012-10-28 | Negative pressure hole medical body surface electrode in electrode attached plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102894967B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108742593A (en) * | 2018-06-22 | 2018-11-06 | 广东脉搏医疗科技有限公司 | Cardioelectric monitor wearable device and cardioelectric monitor system |
| CN108523880A (en) * | 2018-06-22 | 2018-09-14 | 广东脉搏医疗科技有限公司 | Electrocardioelectrode, cardioelectric monitor wearable device and cardioelectric monitor system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4646747A (en) * | 1983-10-28 | 1987-03-03 | Astra-Tech Aktiebolag | Electrode for electrocardiographic examinations |
| CN201320169Y (en) * | 2008-12-22 | 2009-10-07 | 常州市第一人民医院 | Electrocardiogram chest lead electrode |
| CN201542632U (en) * | 2009-11-04 | 2010-08-11 | 常州市第一人民医院 | Electrocardiogram chest lead electrode |
| CN201987552U (en) * | 2011-03-03 | 2011-09-28 | 王惠新 | Adsorption electrode for electrocardiogram machine |
| CN202821332U (en) * | 2012-10-28 | 2013-03-27 | 思澜科技（成都）有限公司 | Medical body surface electrode of negative pressure hole on electrode attaching plate |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9402339D0 (en) * | 1994-07-01 | 1994-07-01 | Humanteknik Ab | Transition element for a biomedical electrode |
-
2012
- 2012-10-28 CN CN201210416703.3A patent/CN102894967B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4646747A (en) * | 1983-10-28 | 1987-03-03 | Astra-Tech Aktiebolag | Electrode for electrocardiographic examinations |
| CN201320169Y (en) * | 2008-12-22 | 2009-10-07 | 常州市第一人民医院 | Electrocardiogram chest lead electrode |
| CN201542632U (en) * | 2009-11-04 | 2010-08-11 | 常州市第一人民医院 | Electrocardiogram chest lead electrode |
| CN201987552U (en) * | 2011-03-03 | 2011-09-28 | 王惠新 | Adsorption electrode for electrocardiogram machine |
| CN202821332U (en) * | 2012-10-28 | 2013-03-27 | 思澜科技（成都）有限公司 | Medical body surface electrode of negative pressure hole on electrode attaching plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102894967A (en) | 2013-01-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106597301B (en) | High current plane contact electric installation | |
| US10980465B2 (en) | Sensor assembly | |
| CN102894967B (en) | Negative pressure hole medical body surface electrode in electrode attached plate | |
| CA2640969A1 (en) | Blood sensor and blood test apparatus having the same | |
| CN103431848B (en) | A kind of Portable passive sensor | |
| CN108387171B (en) | Flexible probe for detecting roughness based on capacitance method and roughness algorithm thereof | |
| WO2015039373A1 (en) | Portable sensor assembly | |
| CN102961128B (en) | A kind of medical body surface electrode | |
| RU2013118237A (en) | DEVICE AND METHOD OF IMPROVED MEASUREMENTS BY MEASUREMENT AND MEASURING DEVICE | |
| CN106361299B (en) | Triple-film cardiovascular detection sensor | |
| CN102894976B (en) | Circular array electrode for brain electrical impedance tomography | |
| CN205729338U (en) | Sensor attachment and sensor cluster | |
| CN102940494B (en) | blood oxygen measuring instrument capable of measuring body temperature | |
| CN202821332U (en) | Medical body surface electrode of negative pressure hole on electrode attaching plate | |
| TW201408256A (en) | A sensor electrode for measuring bio-medical signals and its fabricating method thereof | |
| CN206729891U (en) | A kind of dynamic glucose instrument system and its sensor | |
| CN202960495U (en) | Medical body surface electrode | |
| CN114795428B (en) | Capacitive force feedback puncture needle and capacitive force feedback puncture device | |
| CN106404843B (en) | Four-point automatic adjusument non-destructive control probe based on electrical measurement | |
| CN204072090U (en) | Concentric circular needle electrode | |
| CN200994775Y (en) | Biological impedance measuring electrode | |
| CN205643421U (en) | Auxiliary device of test terminal | |
| CN103784133B (en) | A kind of disposable medical electrode sheet | |
| CN208808456U (en) | A kind of collaterals of human data intelligence acquisition instrument | |
| WO2020144893A1 (en) | On-body attachment member |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |