CN209048138U - Composite array sensor device is imaged in flexible wearable ERT-ECT bimodal - Google Patents
Composite array sensor device is imaged in flexible wearable ERT-ECT bimodal Download PDFInfo
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- CN209048138U CN209048138U CN201820690029.0U CN201820690029U CN209048138U CN 209048138 U CN209048138 U CN 209048138U CN 201820690029 U CN201820690029 U CN 201820690029U CN 209048138 U CN209048138 U CN 209048138U
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Abstract
The utility model relates to a kind of flexible wearable ERT-ECT bimodals, and composite array sensor device is imaged, and belong to medical instruments field.Divide three-decker: ERT electrode layer, ECT electrode layer and electro-magnetic screen layer.All electrodes are all that manufactured flexible electrode, flexible electrode can be arbitrarily bent with silk ribbon on flexible filaments band by P-FCB technology print, and perfection adapts to human body surface profile.Can be different according to the size of human body different parts when measurement, using the active length of thread gluing adjustment sensor, complete the detection at multiple positions.It can detecte the information of multiple histology sections such as human body multiple positions such as chest, waist, leg, head, carry out medical imaging.Advantage is: structure novel, device is simple, cheap, and fusion ERT imaging and ECT imaging technique can measure in tissue electrical information of the same time to same section, realize the inversion imaging of inside of human body information.It is practical.
Description
Technical field
The utility model relates to medical instruments fields, are related to a kind of flexible wearable ERT-ECT bimodal imaging compound matrices
Sensor device.It can be measured in tissue electrical information of the same time to same section, realize inside of human body letter
The inversion imaging of breath.
Background technique
Present Medical Imaging Technology mainly has the methods of B ultrasound, CT, nuclear magnetic resonance method (MRI), however B ultrasound is not suitable for lung, disappears
Change road and bone detection, CT detection x-ray radiation is big, and MRI involves great expense, and imaging is complicated.As people are to health shape
Condition is paid attention to further, and above several image technologies are unable to satisfy the demand of people's daily life.
Process tomographic imaging (Process Tomography, abbreviation PT) technology is that the one kind risen in recent decades is directed to
In two phase flow/multiphase flow measuring technique, using the sensor array of design, obtained in the form of non-contact or non-intruding corresponding
Data, and then obtain corresponding information of flow.And electricity tomography is at low cost, device is simple, radiationless, safe
Feature, obtains the attention of countries in the world scholar, and research achievement is a lot of.Wherein, electrical resistance tomography (ERT, Electrical
Resistance Tomography) and capacitance chromatography imaging (ECT, Electrical Capacitance Tomography) be
By the more extensive direction of research, such as industrial process imaging and biological impedance in electricity tomography.ERT, ECT difference
The resistivity of field domain, dielectric constant are studied, and human body is conductive, and radiationless characteristic makes them safely by ERT, ECT
It holds out broad prospects in medical imaging field.
P-FCB(planar-fashionable circuit board) it is a kind of emerging circuit board technology, it is application
On common fabric, generated for wearable electronic.P-FCB performance completely can ratio upper traditional PCB technology, and
And can neatly change shape, it is more suitable for the profile of human body surface.
The existing electricity imaging device for human testing is mostly the ERT detection device based on measured resistivity, inspection
Survey method is single, and most of in the presence of human body different cross section size regio defect is not adapted to, measuring point is single, and passes in placement
Electrode cannot be maintained at same level section when sensor is popped one's head in.
Summary of the invention
The purpose of this utility model is to provide a kind of flexible wearable ERT-ECT bimodals, and composite array sensor is imaged
Device solves the above problem of the existing technology.ERT, ECT detection may be implemented simultaneously to same human body in the utility model
Histology section is detected.The electrode of the utility model is imprinted on flexible filaments band using P-FCB technology and is made, and can be arbitrarily bent,
It can complete to detect with coating surface skin；The utility model can be used as the community even routine use of family, can alleviate the difficulty of getting medical service
The problem of, expand the daily use of medical imaging device.The utility model divides three-decker: ERT electrode layer, ECT electrode layer and
Electro-magnetic screen layer.All electrodes of the utility model are all by P-FCB(planar-fashionable circuit
Board) technology print on flexible filaments band and manufactured flexible electrode, flexible electrode can be arbitrarily bent with silk ribbon, perfection is suitable
Answer human body surface profile.Can be different according to the size of human body different parts when measurement, utilize the work of thread gluing adjustment sensor
Length completes the detection at multiple positions.The utility model can detecte multiple groups of human body multiple positions such as chest, waist, leg, head etc.
The information in section is knitted, medical imaging is carried out.Flexible ERT, ECT flexible electrode is different from traditional metal electrode, structure novel, dress
Simple, cheap, fusion ERT imaging and ECT imaging technique are set, it can be in the same time to the tissue electricity in same section
Information measures, and realizes the inversion imaging of inside of human body information.
The above-mentioned purpose of the utility model is achieved through the following technical solutions:
Composite array sensor device is imaged in flexible wearable ERT-ECT bimodal, by the three layers of silk ribbon group mutually bonded
At three layers of silk ribbon is respectively electro-magnetic screen layer 1, ECT electrode layer 2 and ERT electrode layer 3；The ECT electrode layer 2 and ERT electricity
The end of pole layer 3 is respectively equipped with a multipath conversion chip 5, and by electrode connecting line 8 respectively with ECT electrode 7, ERT electrode 4
Connection, ECT electrode 7, ERT electrode 4 are separately positioned on ECT electrode layer 2, on ERT electrode layer 3, and flexible radial direction bucking electrode 11 is set
It sets on ECT electrode layer 2, between two ECT electrodes 7；The output end of the multipath conversion chip 5 passes through conducting wire 6 and external resistance
Analysis resistant instrument, computer are connected.
The ECT electrode 7, ERT electrode 4 are respectively by P-FCB technology print in ECT electrode layer 2, ERT electrode layer 3
On, the ECT electrode layer 2 is with ERT electrode layer 3 in bonding, it is to be ensured that the center phase in the center of circle of ERT electrode 4 and ECT electrode 7
It closes, print shield electrode 10 on the electro-magnetic screen layer 1.
The number of poles of the ECT electrode 7,4 electrod-array of ERT electrode is 64, is chosen by multipath conversion chip 5
The number of working electrode can choose 8,16,32 or 64.
The ERT electrode 4 is circle, and ECT electrode 7 is rectangle.
The multipath conversion chip 5 is equipped with switch selecting circuit, voltage, capacitance measurement circuit.
The utility model has the beneficial effects that:
1, structure novel, device is simple, cheap, and fusion ERT imaging and ECT imaging technique are realized to tissue
The electrical parameter measurement of same time, same section.
2, ERT, ECT electrode using P-FCB technology print on flexible filaments band can realize sensor with arbitrary deformation
It is bonded human body surface skin, and traditional metal electrode is unable to arbitrary deformation.
3, equipment manufacturing cost is cheap, easy to operate, and can be used as community sanitary, to carry out daily detection and family daily
It uses.
4, the same time of available tissue, same position electrical parameter information, thus realize ERT technology,
Complementation of the ECT technology in terms of human testing.It is practical.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The illustrative example and its explanation of the utility model do not constitute the improper limit to the utility model for explaining the utility model
It is fixed.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the ERT electrode layer schematic diagram of the utility model；
Fig. 3 is the ECT electrode layer schematic diagram of the utility model；
Fig. 4 is the ERT/ECT electrode layer back circuit diagram of the utility model；
Fig. 5 is the enlarged section in the portion A of Fig. 1.
In figure: 1, electro-magnetic screen layer；2, ECT electrode layer；3, ERT electrode layer；4, ERT electrode；5, multipath conversion chip；6,
Conducting wire；7, ECT electrode；8, electrode connecting line；9, via hole；10, bucking electrode；11, flexible radial bucking electrode.
Specific embodiment
The detailed content and its specific embodiment of the utility model are further illustrated with reference to the accompanying drawing.
Referring to figs. 1 to 5, the flexible wearable ERT-ECT bimodal imaging composite array sensing of the utility model
Device device, respectively ERT electrode layer, ECT electrode layer and electro-magnetic screen layer.The ECT electrode layer is placed between ECT electrode
Flexible radial direction bucking electrode 11.Two silk ribbons are bonded by ERT electrode 4, the corresponding mode of ECT electrode 7, on Article 3 silk ribbon
It is printed with bucking electrode 10, the shielded layer as entire sensor.(flexible radial direction bucking electrode 11 be placed on two ECT electrodes 7 it
Between, as the influence between two ECT electrodes 7 of shielding；Bucking electrode 10, which is equivalent to, puts metal one by one except two layers internal
Pipe.Shielding case as whole device) there is a multipath conversion chip in ERT and ECT electrode layer end, it is connected as between electrode
Line summarizes, and the output end connection impedance analyzer and computer of chip complete the selection and parameter measurement of working electrode.It is described
Sensor device ERT and ECT electrod-array can measure the electrical parameter in tissue same time, same section.Behaviour
Required silk ribbon length can voluntarily be adjusted according to the size of detection site by making personnel, selected the quantity of working electrode, opened up
The detection range for having opened up this technology, reduce position limitation, may be implemented leg, arm, trunk, head, neck it is comprehensive
Detection provides a new thinking for the imaging of medicine electricity.Device described in the utility model, structure novel is cheap, wears
It wears comfortably, is suitble to community and use, facilitates real-time monitoring inside of human body function, for promoting social medical services guarantee also to have
Significance.
It is made of the three layers of silk ribbon mutually bonded, three layers of silk ribbon is respectively electro-magnetic screen layer 1,2 and of ECT electrode layer
ERT electrode layer 3；The end of the ECT electrode layer 2 and ERT electrode layer 3 is respectively equipped with a multipath conversion chip 5 as electrode
Between connecting line summarize, and respectively connect with ECT electrode 7, ERT electrode 4 by electrode connecting line 8, under control of the computer
Working electrode is selected, control excitation measurement pattern by external impedance analyzer measurement parameter and returns to computer.ECT electrode
7, ERT electrode 4 is separately positioned on ECT electrode layer 2, on ERT electrode layer 3, and flexible radial direction bucking electrode 11 is arranged in ECT electrode layer
On 2, between two ECT electrodes 7；The output end of the multipath conversion chip 5 passes through conducting wire 6 and external impedance analyzer, calculating
Machine is connected, and chooses working electrode by test program and carries out electrical parameter measurement.It can be according to human body when work
Size adjusts the active length of sensor with thread gluing.ERT electrode layer 3 is bonded with measurement human body surface when work.
The ECT electrode 7, ERT electrode 4 pass through P-FCB(planar-fashionable circuit respectively
Board) technology even print distinguishes traditional metal electrode on ECT electrode layer 2, ERT electrode layer 3, and electrode is appointed with silk ribbon
Meaning bending, is adapted to the profile of human body surface, realizes perfect fitting.The ECT electrode layer 2 and ERT electrode layer 3 is bonding
When, it is to be ensured that the center of circle of ERT electrode 4 and the center of ECT electrode 7 are harmonious, in this manner it is achieved that ERT electrod-array and ECT electrode
Detection of the array to human body tested tissue same time, same section.ERT electrode layer 3 is bonded with human body surface when work.It is described
Print shield electrode 10 on electro-magnetic screen layer 1.
The number of poles of the ECT electrode 7,4 electrod-array of ERT electrode is 64, can utilize calculating according to demand
Machine chooses the number of working electrode by multipath conversion chip 5, can choose 8,16,32 or 64 etc..
The ERT electrode 4 is circle, and ECT electrode 7 is rectangle.
The multipath conversion chip 5 is equipped with switch selecting circuit, voltage, capacitance measurement circuit.
Referring to shown in Fig. 1 to 4, ERT electrode 4 and 7 electrode of ECT are respectively printed at flexible filaments band using P-FCB technology
On, it is made into flexible electrode, i.e. ERT electrode layer 3, ECT electrode layer 2, flexible radial direction bucking electrode 11 is printed on ECT electrode layer 2,
Between two ECT, 7 electrode；Traditional metal electrode is distinguished, flexible electrode can be arbitrarily bent with silk ribbon, adapt to human body surface
Profile.As shown in figure 5, ERT electrode layer 3 and ECT electrode layer 2 are in bonding, it is to be ensured that the center of circle of ERT electrode 4 and ECT electrode 7
Center is harmonious, in this manner it is achieved that ERT electrod-array and ECT electrod-array are to human body tested tissue same time, same section
Detection.ERT electrode layer 3 is bonded with human body surface when work.
By taking ERT electrode layer 3 as an example, ERT electrod-array is printed on the one side of silk ribbon, and back up has electrode connecting line 8, often
The connecting line of a ERT electrode 4 passes through via hole 9 to the back side, is eventually connected to multipath conversion chip 5, on multipath conversion chip
Control switch may be implemented working electrode selection, excitation.
ERT, ECT electrode on present apparatus silk ribbon is 64 respectively, and detection position is different, and effective detection length of silk ribbon is not
Together, active length can be chosen with thread gluing.Such as leg and chest can select the working electrode of different numbers, the detection of chest
32 electrodes can be selected, when measuring leg, the effective active length of silk ribbon is relatively short, can choose 8 electrodes.Meanwhile it is different
When location detection, the number of poles of silk ribbon is not necessarily normal 8,12,32,64, can control multipath conversion chip 5 and chooses needs
Working electrode is motivated, and after the measurement of external impedance analyzer, is passed computer back and is carried out inversion imaging.
The flexible ERT electrode 4 is circle；The flexible ECT electrode 7 is rectangle.The radial screen of the flexibility
Covering electrode 11 is to reduce the interference effect between each ECT electrode 7.The bucking electrode 10 is size and silk ribbon size phase
Closely, in order to shield entire sensor.
The utility model is adapted to the tissue electrology characteristic detection of human leg, trunk, brain, arm.Wherein, ERT electricity
Pole 4, ECT electrode 7 the technical data such as size, can be adjusted correspondingly as needed.
ERT electrod-array measurement be human body resistivity information, and ECT electrod-array measurement be human body dielectric it is normal
Number distributed intelligence.When measurement, under the control of multipath conversion chip 5, motivated respectively using switching circuit, since chip is cut
It is rapid to change circuit, it is believed that the tangible DATA REASONING carried out simultaneously.
The foregoing is merely the preferred embodiments of the utility model, are not intended to limit the utility model, for ability
For the technical staff in domain, various modifications and changes may be made to the present invention.It is all to made by the utility model it is any modification,
Equivalent replacement, improvement etc., should be included within the scope of protection of this utility model.
Claims (5)
1. composite array sensor device is imaged in a kind of flexible wearable ERT-ECT bimodal, it is characterised in that: by mutually bonding
Three layers of silk ribbon composition, three layers of silk ribbon is respectively electro-magnetic screen layer (1), ECT electrode layer (2) and ERT electrode layer (3)；Institute
The end for stating ECT electrode layer (2) and ERT electrode layer (3) is respectively equipped with a multipath conversion chip (5), and is connected by electrode
Line (8) is connect with ECT electrode (7), ERT electrode (4) respectively, and ECT electrode (7), ERT electrode (4) are separately positioned on ECT electrode layer
(2), on ERT electrode layer (3), flexible radial direction bucking electrode (11) is arranged on ECT electrode layer (2), between two ECT electrodes (7)；
The output end of the multipath conversion chip (5) is connected by conducting wire (6) with external impedance analyzer, computer.
2. composite array sensor device, feature is imaged in flexible wearable ERT-ECT bimodal according to claim 1
Be: the ECT electrode (7), ERT electrode (4) are respectively by P-FCB technology print in ECT electrode layer (2), ERT electrode layer
(3) on, the ECT electrode layer (2) and ERT electrode layer (3) are in bonding, it is to be ensured that the center of circle of ERT electrode (4) and ECT electrode
(7) center is harmonious, print shield electrode (10) on the electro-magnetic screen layer (1).
3. composite array sensor device, feature is imaged in flexible wearable ERT-ECT bimodal according to claim 1
Be: the number of poles of the ECT electrode (7), ERT electrode (4) electrod-array is 64, is passed through multipath conversion chip (5)
The number for choosing working electrode, can choose 8,16,32 or 64.
4. composite array sensor device, feature is imaged in flexible wearable ERT-ECT bimodal according to claim 1
Be: the ERT electrode (4) is circle, and ECT electrode (7) is rectangle.
5. composite array sensor device, feature is imaged in flexible wearable ERT-ECT bimodal according to claim 1
Be: the multipath conversion chip (5) is equipped with switch selecting circuit, voltage, capacitance measurement circuit.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108577836A (en) * | 2018-05-10 | 2018-09-28 | 吉林大学 | Flexible wearable ERT-ECT bimodals are imaged composite array sensor device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108577836A (en) * | 2018-05-10 | 2018-09-28 | 吉林大学 | Flexible wearable ERT-ECT bimodals are imaged composite array sensor device |
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