CN202821348U - Electrode cover for breast imaging - Google Patents
Electrode cover for breast imaging Download PDFInfo
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- CN202821348U CN202821348U CN 201220407914 CN201220407914U CN202821348U CN 202821348 U CN202821348 U CN 202821348U CN 201220407914 CN201220407914 CN 201220407914 CN 201220407914 U CN201220407914 U CN 201220407914U CN 202821348 U CN202821348 U CN 202821348U
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- electrode
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- sidewall
- hood
- imaging
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- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The utility model provides an electrode cover for breast imaging and relates to a signal acquisition device in impedance imaging equipment. The cover is an approximate hollow round table with the upper bottom surface lost, and comprises a lower bottom surface (1) and a side wall (2), wherein the side wall (2) is formed by insulating materials, electrodes (3) are arranged on the inner surface of the side wall (2) and connected with one end of a lead wire (4), and the other end of the lead wire (4) leads an electrode breast cover out. Preferably, the shape of the inner surface of the side wall (2) is a curve matched with the outer surface of a breast to be tested, therefore the electrodes (3) arranged on the inner surface of the side wall (2) contact fully with the outer surface of the breast to be tested, the inner surface matches with the outer surface of a tested object, and therefore the detection sensitivity of a three-dimensional target can be improved effectively; through the mode that the detection electrodes are fixed on the side wall of a container, the positions of the electrodes can be positioned accurately, and refactoring imaging model errors can be reduced; and simultaneously, the cover is convenient to use, and the detection efficiency can be improved.
Description
Technical field
This utility model relates to the signal collecting device in a kind of electrical impedance imaging equipment, relates to specifically a kind of electrode hood of the breast imaging based on the bio-impedance principle.
Background technology
Because pathological tissues and the electrical impedance characteristics of normal biological tissue have obvious difference, utilize the medical imaging technology of bio-impedance principle, such as: electrical impedance tomography (Electrical Impedance Tomography, EIT), electrical impedance spectral technology (Electrical Impedance Spectroscopy, EIS), can effectively detect and locate the diseased region of organism.The medical imaging technology that utilizes the bio-impedance principle is by the organism surface electrodes and inject the low frequency/small Power electric current, survey the distribution of impedance of organism inside by the voltage difference between detecting electrode, impedance operator difference due to different biological tissues, utilize such technology to be detected it, can be structurally with function on the physiological property of each biological tissue of reflection.With nuclear medicine technology such as CT, MRI, compare, such technology have harmless harmless, cost is low, volume is little, particularly to advantages such as early stage cancer sensitivities.
Medical imaging technology based on the bio-impedance principle particularly has tempting prospect in breast carcinoma examination field at large-scale breast imaging.Standard method for the breast carcinoma inspection is In Mammography (Mammography) at present, the method is comparatively painful for many women when detecting, and this imaging system testing cost is high, mammary gland tissue is existed to CRE, the False Rate of this system is higher in addition, the bio-impedance imaging technique is not only effectively the supplementing of In Mammography (by conjunction with the two for the breast carcinoma examination, can effectively reduce misdiagnosis rate), and this technology as breast imaging equipment independently particularly breast carcinoma examination equipment also there are a lot of advantages that at present corresponding main flow equipment does not possess.
EIT and EIS technology are through the development of decades, all obtained abundant achievement in research on hardware and algorithm, EIT or EIS technology need to be detected three-dimensional electrical impedance characteristics for breast imaging, therefore the accuracy of measuring system and the high efficiency of imaging algorithm are all had higher requirement.In the situation that other conditions are constant, the imaging resolution of EIT or EIS technology roughly becomes positive correlation with the quantity of exploring electrode, therefore need to use a large amount of exploring electrodes for breast imaging, electrode will evenly be put according to certain arrangement mode the quality of guarantee imaging, different experimenters' electrode is put and will be met unified pattern, if therefore electrode directly is placed in measured's body surface by the operator, be difficult to guarantee the uniformity of electrode arrangement and different experimenters' concordance, image quality is had to negative effect, and all need to expend a large amount of time discharge electrodes before test at every turn.Thus, convenient electrode containers and a scientific and effective configuration of electrodes used, be absolutely necessary for the whole EIT for breast imaging or EIS system.
The utility model content
The purpose of this utility model is to design a kind of electrode hood for breast imaging, distributing position, the arrangement mode of electrode are fixed, measured's breast is placed in electrode hood and fully contacts with electrode, by the electrode injection electric current and detect special electrodes between voltage difference obtain data for impedance imaging, this electrode hood guarantees the uniformity of electrode arrangement and different experimenters' concordance, improve image quality, the convenient use, improve detection efficiency.
A kind of electrode hood for breast imaging, be characterised in that: the hollow round table shape that described electrode hood is the upper bottom surface disappearance, comprise bottom surface and sidewall, sidewall consists of insulant, be arranged with electrode on side wall inner surfaces, one end of electrode and lead-foot-line links, the other end extraction electrode cover of lead-foot-line.
above-mentioneda kind of electrode hood for breast imaging, described sidewall inwall be shaped as the curved surface suitable with tested breast outer surface so that the electrode of arranging on side wall inner surfaces fully contacts with tested breast outer surface.
above-mentioneda kind of electrode hood for breast imaging, described approximate round platform upper bottom surface radius is r
1, going to the bottom at radius is r
2, be highly h, 50mm≤round platform upper base radius r
1≤ 400mm, 0≤bottom surface radius r
2≤ 100mm is highly 50mm≤h≤400mm.
above-mentioneda kind of electrode hood for breast imaging, the electrode of arranging on described side wall inner surfaces is by the triangle multi-layered electrode that is staggered.
above-mentioneda kind of electrode hood for breast imaging, the described lead-foot-line linked with electrode is by the sidewall cabling of hollow.
above-mentioneda kind of electrode hood for breast imaging, the other end of the lead-foot-line that described electrode links penetrates interior and distributes therebetween, concentrates on concentrated the drawing in somewhere of sidewall and/or bottom surface.
above-mentioneda kind of electrode hood for breast imaging, described bottom surface is outwardly spherical.
Beneficial effect: exploring electrode is staggered on the container side wall inner surface, and the adaptation of inner surface and testee's breast outer surface, can effectively improve the detection sensitivity to objective, improves the reconstruction quality of EIT image; Exploring electrode is fixed on container side wall, and distributing position, the arrangement mode of electrode are fixed, and has guaranteed the uniformity of electrode arrangement and different experimenters' concordance, be conducive to accurate localizing electrode position, reduce to reconstitute the model error of picture, the convenient use, improve detection efficiency simultaneously.
The accompanying drawing explanation:
Fig. 1 is electrode hood approximate shapes geometric representation;
Fig. 2 is the electrode hood transverse cross-sectional view;
Fig. 3 is electrode hood structure longitudinal sectional drawing;
Fig. 4 is the configuration of electrodes schematic diagram: electrode 3 is staggered by triangle, electrode layer spacing d, and value can be determined by a certain percentage according to the size of electrode hood;
Fig. 5 is a kind of electrode hood structure longitudinal sectional drawing, and bottom surface is spheric, and sidewall has certain radian;
Wherein, 1-bottom surface, 2-sidewall, 3-electrode, 4-lead-foot-line, r
1-round platform upper base radius, r
2-bottom surface radius, the h-height,
d-every layer of electrode spacing.
The specific embodiment
embodiment 1:a kind of electrode hood for breast imaging, approximate round table-like for the hollow of upper bottom surface disappearance, comprise bottom surface 1 and sidewall 2, sidewall 2 consists of insulant, be arranged with electrode 3 on sidewall 2 inner surfacies, electrode 3 links with an end of lead-foot-line 4, the other end extraction electrode cover of lead-foot-line 4.
At the hollow round table of the disappearance of the upper bottom surface described in embodiment 1, middle cavity is partly for holding the breast of tested object, thereby the outer surface of breast contacts with electrode 3.
embodiment 2: the present embodiment is substantially the same manner as Example 1, and difference isdescribed sidewall 2 inner surfacies be shaped as the curved surface suitable with tested breast outer surface so that the electrode 3 of arranging on sidewall 2 inner surfacies fully contacts with tested breast outer surface.
embodiment 3: the present embodiment basic structure is with the statement of embodiment 1 or embodiment 2,described round platform upper bottom surface radius is r
1=64mm, going to the bottom at radius is r
2=10mm is highly h=98mm.
embodiment 4: the present embodiment basic structure is with embodiment 3, the electrode 3 of arranging on described sidewall 2 inwalls is by the triangle 6 layers of electrode that are staggered, every layer of electrode spacing
d=16mm, the 1st, 2 layers of 16 electrode that is staggered wherein, every layer of 8 electrode; 3rd, 4 layers of 32 electrode that is staggered, every layer of 16 electrode; 5th, 6 layers of 64 electrode that is staggered, every layer of 32 electrode; Whole electrode containers is arranged 112 electrodes altogether.
In embodiment 4, described electrode layer spacing d, value can be according to the size (r of electrode hood
1, r
2, h) determine by a certain percentage.
embodiment 5: basic structure is with above-mentioned arbitrary embodiment,the other end of the lead-foot-line 4 that described electrode 3 links penetrates inner the distribution therebetween of sidewall 2 of hollow, concentrates on concentrated the drawing in somewhere of sidewall 2 and/or bottom surface 1.Like this, do not affect the attractive in appearance of whole electrode hood, it is also convenient to use.
above-mentioneda kind of electrode hood for breast imaging, the preferred spherical shape of described bottom surface 1.
above-mentioneda kind of electrode hood for breast imaging, the insulant such as the preferred PVC of described insulant, rubber, silica gel.
above-mentioneda kind of electrode hood for breast imaging, described electrode pin line 4, enter data acquisition and the exciting unit of EIT or EIS system after the extraction electrode cover.
Above-mentioned
in arbitrary embodiment,the parameter of the approximate round platform of described electrode hood can change in following value model: 50mm≤round platform upper base radius r
1≤ 400mm, 0≤bottom surface radius r
2≤ 100mm, be highly 50mm≤h≤400mm, parameter (r
1, r
2, h) different electrode hoods forms the electrode hood of a series of different sizes, to meet the needs of different tested objects.
Electrode described in the utility model belongs to external electrode, has the function of detecting electrode and exciting electrode.
The hollow round table shape that electrode hood described in the utility model is upper bottom surface disappearance, perhaps be expressed as bell hood-shaped more appropriate, but understand and formulation for convenient, and the statement of its shape finally is chosen as: the hollow round table of upper bottom surface disappearance, such as:
embodiment 2described a kind of electrode hood for breast imaging: its sidewall 2 and/or go to the bottom and 1 can be curved surface, particularly near 1 the part sidewall 2 of going to the bottom, often curve inwardly, just can make to be arranged near the electrode 3 on 1 the sidewall 2 of going to the bottom and fully contact with the measurand body surface; Go to the bottom 1 while being preferably outwardly sphere, can hold better the breast of tested object; Work as r
2=0 o'clock, round platform became circular cone.
in embodiment 2the longitudinal profile line of described curved surface can be crooked, the horizontal section of curved surface can be the circle be similar to, even local area also has protrusion or recessed, the shape of sidewall 2 inner surfacies could be suitable with tested breast outer surface better like this, so that the electrode 3 of arranging on sidewall 2 inner surfacies fully contacts with tested breast outer surface.
This electrode hood in use, at first according to the situation of tested object, is selected the electrode hood with the adaptation of from the electrode hood of a series of different sizes, and the electrode 3 of arranging on sidewall 2 inner surfacies is fully contacted with tested breast outer surface.
Claims (7)
1. the electrode hood for breast imaging, be characterised in that: the hollow round table that described electrode hood is the upper bottom surface disappearance, comprise bottom surface (1) and sidewall (2), sidewall (2) consists of insulant, be arranged with electrode (3) on sidewall (2) inner surface, electrode (3) links with an end of lead-foot-line (4), the other end extraction electrode cover of lead-foot-line (4).
2.
according to claim 1a kind of electrode hood for breast imaging is characterised in that: described sidewall (2) inner surface be shaped as the curved surface suitable with testee's breast outer surface so that the electrode (3) of arranging on sidewall (2) inner surface fully contacts with tested breast outer surface.
3.
according to claim 1 and 2a kind of electrode hood for breast imaging is characterised in that: 50mm≤round platform upper base radius r
1≤ 400mm, 0≤bottom surface radius r
2≤ 100mm is highly 50mm≤h≤400mm.
4.
according to claim 3a kind of electrode hood for breast imaging is characterised in that: the electrode (3) of arranging on described sidewall (2) inner surface is by the triangle multi-layered electrode that is staggered
.
5.
according to claim 3a kind of electrode hood for breast imaging is characterised in that: the described lead-foot-line (4) linked with electrode (3) is by the inner cabling of sidewall (2) of hollow.
6.
according to claim 3a kind of electrode hood for breast imaging is characterised in that: the other end of the lead-foot-line (4) that described electrode (3) links penetrates the inner also distribution of sidewall (2) therebetween, concentrates on concentrated the drawing in somewhere of sidewall (2) and/or bottom surface (1).
7.
according to claim 3a kind of electrode hood for breast imaging is characterised in that: bottom surface (1) is outwardly spherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220407914 CN202821348U (en) | 2012-08-17 | 2012-08-17 | Electrode cover for breast imaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220407914 CN202821348U (en) | 2012-08-17 | 2012-08-17 | Electrode cover for breast imaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202821348U true CN202821348U (en) | 2013-03-27 |
Family
ID=47933168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220407914 Expired - Lifetime CN202821348U (en) | 2012-08-17 | 2012-08-17 | Electrode cover for breast imaging |
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| Country | Link |
|---|---|
| CN (1) | CN202821348U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764120A (en) * | 2012-08-17 | 2012-11-07 | 思澜科技（成都）有限公司 | Electrode cover for mammography |
| CN103284720A (en) * | 2013-06-25 | 2013-09-11 | 思澜科技（成都）有限公司 | Electrode fixing and locating device for breast impedance imaging |
| CN105212927A (en) * | 2015-07-23 | 2016-01-06 | 杭州电子科技大学 | For the Intelligent corsage of the early stage risk supervision assessment of breast carcinoma |
-
2012
- 2012-08-17 CN CN 201220407914 patent/CN202821348U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764120A (en) * | 2012-08-17 | 2012-11-07 | 思澜科技（成都）有限公司 | Electrode cover for mammography |
| CN103284720A (en) * | 2013-06-25 | 2013-09-11 | 思澜科技（成都）有限公司 | Electrode fixing and locating device for breast impedance imaging |
| CN103284720B (en) * | 2013-06-25 | 2017-12-05 | 思澜科技（成都）有限公司 | A kind of electrode stationary positioned device for Breast electrical impedance imaging |
| CN105212927A (en) * | 2015-07-23 | 2016-01-06 | 杭州电子科技大学 | For the Intelligent corsage of the early stage risk supervision assessment of breast carcinoma |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |