CN103300855A - Electrode fixing and positioning device for breast electrical impedance tomography - Google Patents
Electrode fixing and positioning device for breast electrical impedance tomography Download PDFInfo
- Publication number
- CN103300855A CN103300855A CN2013102559523A CN201310255952A CN103300855A CN 103300855 A CN103300855 A CN 103300855A CN 2013102559523 A CN2013102559523 A CN 2013102559523A CN 201310255952 A CN201310255952 A CN 201310255952A CN 103300855 A CN103300855 A CN 103300855A
- Authority
- CN
- China
- Prior art keywords
- electrode
- mobile jib
- electrical impedance
- lifter plate
- base plate
- 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.)
- Granted
Links
Images
Landscapes
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Abstract
The invention relates to signal acquisition equipment for breast electrical impedance tomography equipment, in particular to a device fir for positioning a plurality of electrodes on the surface of a to-be-tested target breast around the same plane at equal intervals. The device comprises master rods 2, pull rods 7, a lifting plate 10 and a bottom plate 13, wherein the lifting plate 10 is provided with radial master rod moving grooves 18; the master rods 2 penetrate through the radial master rod moving grooves 18; one end of each master rod 2 is rotationally connected with the bottom plate 13; the other end of each master rod 2 is connected with each electrode 1; and the two ends of the pull rods 7 are rotationally connected with the master rods 2 and the lifting plate 10. The time is not required to be consumed for discharging the electrode before each test, the electrodes are tightly close to a breast tissue placed in a test space with the change of a distance between the lifting plate and the bottom plate, the electrodes 2 are driven to contract and extend in the same plane by adjusting the distance between the lifting plate and the bottom plate, so that the uniform contact between each detection electrode and the breast tissue is ensured, a model error of reconstruction tomography is reduced, and the detection effect is improved.
Description
Technical field
The present invention relates to the signal collecting device in a kind of Breast electrical impedance imaging device, relate to specifically a kind of device of measured target breast surface that a plurality of electrodes uniformly-spaced are positioned at the same plane circumference.
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.
Because the electrical impedance galactophore imaging technique is a plurality of electrodes to be put to the quality of guarantee imaging according to certain arrangement mode, the electrode of different test targets is put and will be met unified pattern, if therefore electrode directly is placed in the measured target surface by the operator, be difficult to guarantee the concordance of electrode arrangement and preplanned pattern consistent and uniform and different test targets, image quality is had to negative effect, and all need to expend a large amount of time discharge electrodes before each test.
Because of test target various, often occur that the test skin of breast can not fully contact with some electrode, even space occurs and cause some electrode not contact with the skin of test breast, some electrodes and contact skin are bad, cause some electrode in electrod-array that the corresponding real signal of telecommunication can not be provided, certainly will affect imaging effect and the diagnostic result of electrical impedance galactophore imaging system.
Each electrode should meet the algorithm of imaging system rear end, the requirement that image is processed with the intensity contacted of tested skin of breast, and the contact strength of electrode and skin affects conductivity, the conductivity between each electrode and skin directly affects again imaging effect and the diagnostic result of system.
Summary of the invention
For the electrode stationary positioned device of Breast electrical impedance imaging, the distributing position of electrode, arrangement mode are fixed, guarantee electrode arrangement and preplanned pattern unanimously, the uniformity of electrode arrangement and the concordance of different test targets; There is the device that makes electrod-array shrink, expand on this device, facilitate test target to be positioned in this device to test space and with electrode and fully contact, make each electrode and the intensity scalable contacted of testing skin of breast, improve image quality, the convenient use, improve and detect effect and efficiency.
Electrode stationary positioned device for the Breast electrical impedance imaging, comprise mobile jib, pull bar, lifter plate and base plate; Lifter plate has radially loose slot of mobile jib, and mobile jib passes radially loose slot of mobile jib; One end of mobile jib is hinged on base plate, and the other end of mobile jib is connected with electrode; The two ends of pull bar are rotated hinged with mobile jib, lifter plate respectively.
onthe stationary positioned of the electrode for the Breast electrical impedance imaging device of stating, described mobile jib is more than three or three, mobile jib and base plate rotate hinged, and the junction point of mobile jib and base plate is circumference and is equally distributed on base plate, and the junction point of pull bar and lifter plate is circumference and is equally distributed on lifter plate.
onthe stationary positioned of the electrode for the Breast electrical impedance imaging device of stating, described lifter plate is parallel with base plate.
onthe stationary positioned of the electrode for the Breast electrical impedance imaging device of stating, described device comprises electrode fixed leg, electrode, mobile jib is connected with electrode by the electrode fixed leg.
onthe stationary positioned of the electrode for the Breast electrical impedance imaging device of stating, described mobile jib radially loose slot is rectangular hole, circumference is equally distributed on lifter plate.
onthe stationary positioned of the electrode for the Breast electrical impedance imaging device of stating, described device comprises screw mandrel, screw mandrel holder, the screw mandrel holder is fixed in lifter plate, one end of screw mandrel coordinates with the screw mandrel holder, screw mandrel forms screw rod transmission structure through base plate, the other end of screw mandrel has tumbler, and tumbler is fixed on base plate.
onthe stationary positioned of the electrode for the Breast electrical impedance imaging device of stating, described device comprises vertical sliding axle, lifter plate and/or base plate and vertical sliding axle are slidably connected.
onthe stationary positioned of the electrode for the Breast electrical impedance imaging device of stating, comprise upper plate, and the middle part of upper plate is for passing and movable disappearance part for mobile jib, and upper plate is fixedly connected with vertical sliding axle.
onthe stationary positioned of the electrode for the Breast electrical impedance imaging device of stating, described tumbler is for connecting lead screw motor.
onthe stationary positioned of the electrode for the Breast electrical impedance imaging device of stating, have the slide-and-guide cover on the lifter plate that described and vertical sliding axle is slidably connected and/or base plate, and the slide-and-guide cover is enclosed within on vertical sliding axle.
[0016] beneficial effect: electrode is fixed on the mobile jib upper end or is connected with mobile jib by passing through the electrode fixed leg, the fixing also circumference of electrode is equally spaced at grade, distributing position, the arrangement mode of electrode are fixed, and have guaranteed that electrode arrangement and preplanned pattern are consistent, the uniformity of electrode arrangement and different experimenters' concordance; Do not need the discharge electrode that expends time in before each test, variation along with spacing between lifter plate and base plate, electrode and the breast tissue of putting into the test space are tightly reclined, by regulating spacing between lifter plate and base plate, thereby guarantee the uniformity that each detecting electrode contacts with breast tissue, reduce to reconstitute the model error of picture, improve and detect effect.，
Mobile jib of the present invention is loose slot radially, refers to that it is the center of circle that the center that supplies mobile jib to pass and take the place lifter plate is arranged on lifter plate, and the circle that mobile jib is circular arc through the lifter plate position is done slotted eye or the disappearance part of radial motion.
The accompanying drawing explanation
Accompanying drawing 1 is embodiment 1 schematic diagram
Accompanying drawing 2 is embodiment 1 lifter plate 10 schematic diagrams
Accompanying drawing 3 is embodiment 2 lifter plate 10 schematic diagrams
Accompanying drawing 4 is embodiment 3 schematic diagrams
Accompanying drawing 7 is the described a kind of mobile jib structural representations of embodiment 6
1-electrode, 2-mobile jib, 3-external screw thread straight pin A, 4-upper plate, 5-electrode fixed leg, 6-external screw thread straight pin B, 7-pull bar, 8-pull bar holder 9-vertical sliding axle 10-lifter plate 11-slide-and-guide cover 12-fixing head 13-base plate 14-straight pin 15-perforation lead screw motor 16-screw mandrel 17-screw mandrel holder, 18-mobile jib is loose slot radially, 19-pull bar fixing hole, 20-electrode or electrode fixed leg connecting hole, 21-straight pin installing hole.
The specific embodiment
Embodiment 1: for the electrode stationary positioned device of Breast electrical impedance imaging, described device comprises mobile jib 2, pull bar 7, lifter plate 10 and base plate 13; Lifter plate 10 has radially loose slot 18 of mobile jib, and mobile jib 2 passes radially loose slot 18 of mobile jib; One end of mobile jib 2 is rotationally connected with on base plate 13, and the other end of mobile jib 2 is connected with electrode 1; The two ends of pull bar 7 are rotationally connected with mobile jib 2, lifter plate 10 respectively.
Above-mentioned mobile jib 2 is more than three or three, and mobile jib 2 is rotationally connected with base plate 13, and the junction point of mobile jib 2 and base plate 13 is circumference and is equally distributed on base plate 13, and the junction point of pull bar 7 and lifter plate 10 is circumference and is equally distributed on lifter plate 10; The described axis that is rotationally connected the round platform that mobile jib 2 is surrounded along each mobile jib 2 moves radially.
The algorithm that in said apparatus, the quantity of electrode 1 is used because of computer requires differently and different to acquired signal quantity, is generally 16 electrodes 1; The top that is generally a mobile jib 2 connects an electrode 1, and the quantity of mobile jib 2 is generally 16.
Said apparatus can comprise electrode fixed leg 5, and mobile jib 2 is connected with electrode 1 by electrode fixed leg 5; Electrode fixed leg 5 one ends are connected with mobile jib 2, and the other end is connected with one or more electrodes 1.
Be generally that a mobile jib 2 is corresponding with a pull bar 7 in said apparatus, but also can be fixed on the both sides at mobile jib 2 same positions by 2, two pull bars 7 of two pull bars, 7 mobile jibs of common support, two pull bars 7 are separately fixed at two points on lifter plate 10.
In said apparatus, the electrode tip of electrode 1 is positioned on the circumference of same circle.
While using said apparatus, first measured target is placed in the circular test space that electrode 1 surrounds, give again 10 1 thrusts that make progress of lifter plate, lifter plate 10 just promotes mobile jib 2 closures by pull bar 7, the measured target surface that the electrode 1 be connected with the termination of mobile jib 2 surrounds to electrode 1 is mobile, behind electrode 1 contact measured target surface, stop promoting lifter plate 10 fixing lifter plate 10, signals collecting finishes, promote lifter plate 10 to base plate 13 motions, lifter plate 10 pulls mobile jib 2 expansions by pull bar 7, 1 motion of band moving electrode, electrode 1 separates with the measured target surface.
Embodiment 2: the present embodiment basic structure is with embodiment 1, and difference is: the mobile jib on lifter plate 10 radially loose slot 18 is greater than the rectangle slotted eye of every mobile jib 2 width for width, and mobile jib radially loose slot 18 circumference is equally distributed on lifter plate 10; The mobile jib radially quantity of loose slot 18 is consistent with the quantity of mobile jib 2, mobile jib 2 be passed in mobile jib on lifter plate 10 radially loose slot 18 on lifter plate 10, around the center of circle of the mobile jib circle that radially loose slot surrounds, (this center of circle is positioned on the axis of the round platform that each mobile jib 2 surrounds) radially distributes; Mobile jib is the radially range of activity of the length decision mobile jib 2 of loose slot 18 radially, mobile jib radially loose slot 18 width determines the non-radially range of activity of mobile jibs 2 (the mobile jib radially width of loose slot 18 preferably can be clamped mobile jib 2 in its two long limits, but mobile jib 2 again can be radially radially movable in loose slot 18 at mobile jib, be mobile jib 2 in the radially interior slip of loose slot 18 of mobile jib, can effectively prevent that like this non-of electrode 1 from radially wobbling).
Embodiment 1 or the described scheme of embodiment 2, require lifter plate 10 and base plate 13 to be parallel to each other, each rotating connecting part is had relatively high expectations, once gap appears in connecting portion, will make lifter plate 10 produce swinging is the transverse movement of lifter plate 10, lifter plate 10 is not parallel to each other mutually with base plate 13, not only affect electrode 1 positioning precision, also likely fall the service life of this device rotating connecting part, for overcoming this shortcoming, must the motion mode of lifter plate 10 and base plate 13 be limited, prevent that the relative motion of horizontal direction from appearring in lifter plate 10 in upper and lower relative motion with base plate 13, can adopt vertical sliding axle and lifter plate 10 and/or base plate 13 to be slidably connected:
Embodiment 3: the present embodiment basic structure is with embodiment 1 or embodiment 2, difference is: described device comprises vertical sliding axle 9, vertical sliding axle 9 is perpendicular to base plate 13 and be fixedly connected with, and slide-and-guide cover 11 is arranged on lifter plate 10, and slide-and-guide cover 11 is enclosed within on vertical sliding axle 9.The skew of horizontal direction does not appear in the space that the existence of vertical sliding axle 9 can make the electrode 1 on mobile jib 2 surround, just along with the expansion of the distance between lifter plate 10 and base plate 13 is dwindled or enlarges to equal proportion with dwindling, electrode is accurately located, while using this device, only need make lifter plate 10 slide and get final product on vertical sliding axle 9;
In order to make, the space that in the described device of the present embodiment, mobile jib 2 surrounds is more stable, electrode is more accurately located, and described device also comprises upper plate 4, and the middle part of upper plate 4 is for passing and movable disappearance part for mobile jib 2, and the other end of vertical sliding axle 9 is fixedly connected with upper plate 4; Lifter plate 10 just can only slide on vertical sliding axle 9, and vertical sliding axle 9 is difficult for swinging while sliding up and down;
The described vertical sliding axle 9 of the present embodiment is generally two or more, preferably first selects three---because 3 determine a plane; Select conveniently alternative point of contact on base plate, lifter plate, upper plate of four vertical sliding axles, general junction point is distributed on four corresponding limits of four plates or four angles, four vertical sliding axles 9 are fixedly connected with the difference on base plate 13, more respectively through the slide-and-guide cover on lifter plate 10.Due to the existence of slide-and-guide cover 11, two vertical sliding axles 9 also can make lifter plate 10 and base plate 13 keeping parallelisms, and not in water direction relative motion, but the service life of two vertical sliding axles is shorter than the service life of vertical sliding axle more than three or three.
Embodiment 4: the present embodiment basic structure is with above-mentioned arbitrary embodiment, described device comprises screw mandrel 16, screw mandrel holder 17, screw mandrel holder 17 is fixed in lifter plate 10, one end of screw mandrel 16 coordinates with screw mandrel holder 17, screw mandrel 16 is through base plate 13, screw-internal thread fit on the external screw thread of screw mandrel 16 and base plate 13, the other end of screw mandrel 16 is tumbler; Tumbler is fixed on base plate 13 lower surfaces.
In the described device of the present embodiment, pull bar 7 adopts external screw thread straight pin A3 to be rotationally connected with mobile jib 2; Pull bar 7 adopts external screw thread straight pin B6 to be rotationally connected with lifter plate 10; Mobile jib 2 adopts straight pin 14 to be rotationally connected with base plate 13.
The described tumbler of the present embodiment is lead screw motor 15, and lead screw motor 15 is fixed on base plate 13 lower surfaces.
In above-described embodiment, mobile jib and base plate, pull bar and mobile jib, lifter plate be rotationally connected or rotate hinged available hinge arrangement as the realizations such as rotating shaft, bearing pin, hinge each with regard to being rotatably assorted between parts, lifter plate moves up and down (or the relative vertical motion between lifter plate and base plate) can pass through lead screw motor, screw mandrel, the method control such as manual.
Embodiment 5: the present embodiment basic structure is with embodiment 3, and difference is: lifter plate 10 is fixedly connected with vertical sliding axle 9, and slide-and-guide cover 11 is positioned on base plate 13, and slide-and-guide cover 11 is enclosed within on vertical sliding axle 9.
In embodiment 3 and embodiment 5, slide-and-guide cover 11 is fixed on the plate (lifter plate 10 or base plate 13) at place, and slide-and-guide cover 11 is coaxial with vertical sliding axle, slide-and-guide cover 11 closely cooperates with vertical sliding axle 9, both can make lifter plate 10 or base plate 13 easy on and off slide, simultaneously vertical sliding axle 9 can effectively prevent again lifter plate 10, base plate 13 teeters, guarantee the concordance of each root mobile jib 2 with moving electrode 1 closure, expansion, thereby improve the accuracy of electrode 1 location
.
Embodiment 6: a kind of mobile jib 2, and the electrode on mobile jib 2 tops or electrode or electrode fixed leg connecting hole 20 and mobile jib be activity direction consistent (electrode 1 be arranged on mobile jib 2 after, the center of circle of the circle that the conductive head of electrode 1 surrounds towards electrode 1) radially; The pull bar fixing hole 19 of mobile jib 2 is for hinged with pull bar 7 one ends rotations, and the straight pin installing hole 21 of mobile jib 2 is for rotating hinged with base plate 13.
Claims (10)
1. for the electrode stationary positioned device of Breast electrical impedance imaging, be characterised in that: described device comprises mobile jib (2), pull bar (7), lifter plate (10) and base plate (13); Lifter plate (10) has radially loose slot (18) of mobile jib, and mobile jib (2) passes radially loose slot (18) of mobile jib; One end of mobile jib (2) and base plate (13) are rotationally connected, and the other end of mobile jib (2) is connected with electrode (1); The two ends of pull bar (7) are rotationally connected with mobile jib (2), lifter plate (10) respectively.
2. the stationary positioned of the electrode for Breast electrical impedance imaging device according to claim 1, be characterised in that: described mobile jib (2) is more than three or three, the junction point of mobile jib (2) and base plate (13) is circumference and is equally distributed on base plate (13) above, and the junction point of pull bar (7) and lifter plate (10) is circumference and is equally distributed on lifter plate (10).
3. the stationary positioned of the electrode for Breast electrical impedance imaging device according to claim 1, be characterised in that: described lifter plate (10) is parallel with base plate (13).
4. the stationary positioned of the electrode for Breast electrical impedance imaging device according to claim 1, be characterised in that: described device comprises electrode fixed leg (5), mobile jib (2) is connected with electrode (1) by electrode fixed leg (5).
5. the stationary positioned of the electrode for Breast electrical impedance imaging device according to claim 1 is characterised in that: described mobile jib radially loose slot circle is rectangular hole, and circumference is equally distributed on lifter plate (10).
6. the stationary positioned of the electrode for Breast electrical impedance imaging device according to claim 1, be characterised in that: described device comprises screw mandrel (16), screw mandrel holder (17), screw mandrel holder (17) is fixed in lifter plate (10), one end of screw mandrel (16) coordinates with screw mandrel holder (17), screw mandrel (16) forms screw rod transmission structure through base plate (13), the other end of screw mandrel (16) has tumbler, and tumbler is fixed on base plate (13).
7. according to the described stationary positioned of the electrode for the Breast electrical impedance imaging of the arbitrary claim of claim 1-6 device, be characterised in that: described device comprises vertical sliding axle (9), and lifter plate (10) and/or base plate (13) are connected with vertical sliding axle (9).
8. the stationary positioned of the electrode for Breast electrical impedance imaging device according to claim 7, be characterised in that: comprise upper plate (4), the middle part of upper plate (4) is for passing and movable disappearance part for mobile jib (2), and upper plate (4) is fixedly connected with vertical sliding axle (9).
9. the stationary positioned of the electrode for Breast electrical impedance imaging device according to claim 8 is characterised in that: described tumbler is for connecting lead screw motor (15).
10. the stationary positioned of the electrode for Breast electrical impedance imaging device according to claim 7, be characterised in that: on the lifter plate (10) be slidably connected with vertical sliding axle (9) and/or base plate (13), slide-and-guide cover (11) is arranged, slide-and-guide cover (11) is enclosed within on vertical sliding axle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310255952.3A CN103300855B (en) | 2013-06-25 | 2013-06-25 | Electrode stationary positioned device for Breast electrical impedance imaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310255952.3A CN103300855B (en) | 2013-06-25 | 2013-06-25 | Electrode stationary positioned device for Breast electrical impedance imaging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103300855A true CN103300855A (en) | 2013-09-18 |
| CN103300855B CN103300855B (en) | 2018-03-20 |
Family
ID=49126890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310255952.3A Active CN103300855B (en) | 2013-06-25 | 2013-06-25 | Electrode stationary positioned device for Breast electrical impedance imaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103300855B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6122544A (en) * | 1998-05-01 | 2000-09-19 | Organ; Leslie William | Electrical impedance method and apparatus for detecting and diagnosing diseases |
| CN1592596A (en) * | 2000-12-28 | 2005-03-09 | Z－技术加拿大公司 | Electrical impedance method and apparatus for detecting and diagnosing diseases |
| CN101340847A (en) * | 2005-12-20 | 2009-01-07 | Dixtal生物制药工业贸易有限公司 | Electrode assembly for electrical impedance tomography |
| WO2011049854A1 (en) * | 2009-10-21 | 2011-04-28 | Epi-Sci, Llc | Skin surface electrodes |
| CN102106731A (en) * | 2011-02-22 | 2011-06-29 | 中国医学科学院生物医学工程研究所 | Electrical impedance tomography measuring method |
| CN102973269A (en) * | 2012-12-24 | 2013-03-20 | 重庆大学 | Device and method for measuring crossed plane electrical impedance tomography |
| CN203314961U (en) * | 2013-06-25 | 2013-12-04 | 思澜科技（成都）有限公司 | Electrode fixing and positioning device for electrical impedance breast imaging |
-
2013
- 2013-06-25 CN CN201310255952.3A patent/CN103300855B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6122544A (en) * | 1998-05-01 | 2000-09-19 | Organ; Leslie William | Electrical impedance method and apparatus for detecting and diagnosing diseases |
| CN1592596A (en) * | 2000-12-28 | 2005-03-09 | Z－技术加拿大公司 | Electrical impedance method and apparatus for detecting and diagnosing diseases |
| CN101340847A (en) * | 2005-12-20 | 2009-01-07 | Dixtal生物制药工业贸易有限公司 | Electrode assembly for electrical impedance tomography |
| WO2011049854A1 (en) * | 2009-10-21 | 2011-04-28 | Epi-Sci, Llc | Skin surface electrodes |
| CN102106731A (en) * | 2011-02-22 | 2011-06-29 | 中国医学科学院生物医学工程研究所 | Electrical impedance tomography measuring method |
| CN102973269A (en) * | 2012-12-24 | 2013-03-20 | 重庆大学 | Device and method for measuring crossed plane electrical impedance tomography |
| CN203314961U (en) * | 2013-06-25 | 2013-12-04 | 思澜科技（成都）有限公司 | Electrode fixing and positioning device for electrical impedance breast imaging |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103300855B (en) | 2018-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203314961U (en) | Electrode fixing and positioning device for electrical impedance breast imaging | |
| Woo et al. | Magnetic resonance electrical impedance tomography (MREIT) for high-resolution conductivity imaging | |
| CN102445574B (en) | Annular arrangement type multi-needle biological tissue dielectric spectrum characteristic measuring probe and method | |
| CN101822541B (en) | Resonant magnetic induction bioelectrical impedance tomography method and equipment adopted by same | |
| WO1998052464A1 (en) | Electromagnetical imaging and therapeutic (emit) systems | |
| US20120086452A1 (en) | Rf coil and magnetic resonance imaging apparatus | |
| Wetterling et al. | A double-tuned 1H/23Na dual resonator system for tissue sodium concentration measurements in the rat brain via Na-MRI | |
| CN104039220A (en) | Electro-cardiograph Sensor Mat | |
| Campisi et al. | Breast cancer detection using high-density flexible electrode arrays and electrical impedance tomography | |
| CN105411587A (en) | Thorax contour data acquisition method for human thorax electrical impedance tomography | |
| CN103300855A (en) | Electrode fixing and positioning device for breast electrical impedance tomography | |
| CN103284720B (en) | A kind of electrode stationary positioned device for Breast electrical impedance imaging | |
| Vít et al. | A broad tuneable birdcage coil for mouse 1H/19F MR applications | |
| CN104352238A (en) | Method of collecting electrical resistance chromatographic chromatographic data of thoracic cavity of human body | |
| CN204890037U (en) | Image device that pop one's head in more | |
| CN203280383U (en) | Electrode fixing and positioning device used for breast electrical impedance imaging | |
| Holst et al. | Left ventricular volume measurements with free breathing respiratory self-gated 3-dimensional golden angle radial whole-heart cine imaging–Feasibility and reproducibility | |
| CN103284723B (en) | High-field magnetic resonance scanning safety testing body model system, high-field magnetic resonance scanning safety testing method and magnetic resonance system | |
| Serša et al. | Current density imaging sequence for monitoring current distribution during delivery of electric pulses in irreversible electroporation | |
| WO2021077546A1 (en) | Magnetic induction imaging method and system | |
| CN104434096A (en) | Human thorax resistance chromatography sensor | |
| US20200163578A1 (en) | System for measuring the electrical impedance in human tissues | |
| CN106618568B (en) | Rapid EIS (electronic impedance spectroscopy) mixing measuring device applied to breast cancer detection | |
| CN105769193B (en) | Electrode device for measuring scalp and skull impedance in animal experiments | |
| CN209847158U (en) | Electrical impedance imaging apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |