CN206007240U - A kind of external membrane of heart electrocardio imaging system - Google Patents
A kind of external membrane of heart electrocardio imaging system Download PDFInfo
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- CN206007240U CN206007240U CN201620191297.9U CN201620191297U CN206007240U CN 206007240 U CN206007240 U CN 206007240U CN 201620191297 U CN201620191297 U CN 201620191297U CN 206007240 U CN206007240 U CN 206007240U
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Abstract
The utility model proposes a kind of external membrane of heart electrocardio imaging system.The external membrane of heart electrocardio imaging system includes：Scanning imagery instrument, for obtaining the structured data of the thoracic cavity structure of monitored person；Multiple electrodes, for obtaining the electrocardiogram (ECG) data of the body surface of monitored person；Collection storage card, is connected with the plurality of electrode, stores the electrocardiogram (ECG) data；PC, the PC receive the structured data that the scanning imagery instrument is obtained, according to the image that the structured data rebuilds the thoracic cavity structure；The PC carries out data exchange with the collection storage card, carries out inverse operation to the electrocardiogram (ECG) data and obtains external membrane of heart data；By finite element method by the external membrane of heart data characterization on the image of the thoracic cavity structure, to form electrocardio Dynamic Graph.A kind of external membrane of heart electrocardio imaging system that the utility model is provided, can rebuild the image of the thoracic cavity structure of monitored person, and by external membrane of heart data characterization on the image of thoracic cavity structure, to form electrocardio Dynamic Graph.
Description
Technical field
The utility model is related to medical instruments and equipment and medical science functional imaging technology, more particularly to a kind of external membrane of heart electrocardio into
Image space method and its imaging system.
Background technology
The whole world there are about 17,500,000 people every year and die from heart disease and complication according to statistics, account for the 30% of whole death tolls；
In addition the survivor at least 20,000,000 having a heart attack with apoplexy every year, but wherein majority have very high recurrence and dead wind
Danger.Modal to cause heart to stop suddenly the reason for beating be exactly arrhythmia cordis (such as room is quivered, room dynamic overruns), and it makes heart
Bounce lose synchronism and be easily caused sudden death.In view of in recent years cardiopathic occurred frequently, setting up effectively detection prevention system has
Urgent realistic meaning.
Traditional ECG detecting, from single lead, synchronous three leads, six leads to standard 12 lead etc., they are all the hearts
Projection of the dirty electrical activity in body surface low resolution, there is provided the overall reflection of cardiac electrical activity.By checking shaking for electrocardiographic wave
Relative position between width and sequential and each electrode, doctor can be inferred that the related electrical activity letter occurred in heart
Breath.It is that a kind of inverse problem process (determines heart work(according to body surface potential information to the analysis of twelve-lead electrocardiogram information
Can), and be completed based on experience to a great extent, heart disease is mainly studied by the pattern match to known disease information
Disease.This kind of mode can not accomplish accurately to predict in the particular location and pathological condition for heart change, thus a lot of hearts
Inner case can only could find in surgical procedure.Therefore, a kind of efficient, noninvasive, can preoperative anticipation lesion locations and
The technology of pathology situation has important realistic meaning in clinic, for the successful surgery probability of cardiac have great
Effect.A kind of further, since heart change is occurred under casualism, accordingly, it would be desirable to long-time full information of being capable of
Digital data recording system, just can guarantee that the heart state for allowing doctor comprehensively to understand patient.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of external membrane of heart electrocardio imaging system, including scanning imagery
Instrument, multiple electrodes, collection storage card and PC device.The electrocardiosignal of collection can be characterized in by the external membrane of heart electrocardio imaging system
On the image of the thoracic cavity structure of monitored person, electrocardio Dynamic Graph is formed.The electrocardio Dynamic Graph shows the electrocardio letter of monitored person
Change number on the external membrane of heart.
For solving above-mentioned technical problem, the utility model provides a kind of external membrane of heart electrocardio and is imaged imaging system, including：
Scanning imagery instrument, for obtaining the structured data of the thoracic cavity structure of monitored person；
Multiple electrodes, for obtaining the electrocardiogram (ECG) data of the body surface of monitored person；
Collection storage card, is connected with the plurality of electrode, stores the electrocardiogram (ECG) data；
PC, the PC receive the structured data that the scanning imagery instrument is obtained, according to the structured data
Rebuild the image of the thoracic cavity structure；The PC carries out data exchange with the collection storage card, and the electrocardiogram (ECG) data is entered
Row inverse operation obtains external membrane of heart data；By finite element method by the external membrane of heart data characterization in the thoracic cavity structure
On image, to form electrocardio Dynamic Graph.
According to one embodiment of the present utility model, the scanning imagery instrument is CT, MRI, ultrasonic scanning image instrument
In one kind.
According to one embodiment of the present utility model, also include wireless router, the collection storage card is by the nothing
Line router carries out data exchange with the PC.
According to one embodiment of the present utility model, also include monitoring electrode, the monitoring electrode and the collection storage
Card connection.
According to one embodiment of the present utility model, the structured data includes heart, lung, bone, the position letter of skin
Breath.
A kind of external membrane of heart electrocardio imaging system that the utility model is provided, obtains monitored person's by scanning imagery instrument
The structured data of thoracic cavity structure, the image that thoracic cavity structure is rebuild by PC, and by attaching the multiple electrodes of monitored person's body surface
Collection electrocardiogram (ECG) data, carries out inverse operation and obtains external membrane of heart data, then pass through finite element method by the external membrane of heart to electrocardiogram (ECG) data
Data characterization on the image of thoracic cavity structure, to form electrocardio Dynamic Graph.
Description of the drawings
It is the utility model to be further understood from for providing including accompanying drawing, they are included and constitute of the application
Point, accompanying drawing shows embodiment of the present utility model, and plays a part of to explain the utility model principle together with this specification.
In accompanying drawing：
The flow chart that Fig. 1 illustrates a kind of the be suitable for external membrane of heart electrocardio imaging method of the utility model.
Fig. 2 illustrates the structural representation of one embodiment of the present utility model.
Fig. 3 illustrates the structural representation of another embodiment of the present utility model.
Specific embodiment
Now with detailed reference to Description of Drawings embodiment of the present utility model.In the case of any possible, all attached
To mark to represent same or analogous part in figure using identical.Although additionally, the term used in the utility model
It is to select from public term, but some terms mentioned in the utility model specification is probably applicant
Come selection, the explanation in the relevant portion of description herein of its detailed meanings by his or her judgement.In addition, it is desirable to not only
Pass through used actual terms, and the meaning for being also to be contained by each term is understanding the utility model.
The flow chart that Fig. 1 illustrates a kind of external membrane of heart electrocardio imaging method that the utility model is adopted.As illustrated, a kind of heart
Adventitia electrocardio imaging method comprises the steps：
Step 101, obtains the structured data of the thoracic cavity structure of monitored person by scanning imagery instrument.Scanning imagery instrument
Can be treatment for radiation-caused disease instrument of the hospital for patient image scanning, including the scanning imagery instrument such as CT, MRI, ultrasound, that is, own
Meet the instrument of digital imaging and communications in medicine.Scanning imagery instrument can utilize sample of high-resolution image technology, collection
The thoracic cavity structure of monitored person, including the data of true heart.General physical appearance EGC testing Distribution Principle is based on, by multiple electrodes with a left side
Outwards it is distributed centered on maximum point on the upside of chest, and xiphoid-process position minimum point, center is intensive, outside sparse, and ensure the right side
Chest and the distribution of electrodes of back.
Step 102, gathers electrocardiogram (ECG) data by the multiple electrodes for attaching monitored person's body surface.
Step 103, according to the image that structured data rebuilds thoracic cavity structure.Scanning imagery instrument utilizes DICOM (Digital
Imaging and Communications in Medicine, digital imaging and communications in medicine data) data, based on VTK,
(Visualization Toolkit), ITK (Insight Segmentation and Registration Toolkit) are soft
Part system is rebuilding the image of the thoracic cavity structure for reducing monitored person.
Step 104, carries out inverse operation to electrocardiogram (ECG) data and obtains external membrane of heart data.The electrocardiogram (ECG) data include electrocardiosignal with many
The collection position of individual electrode, electrocardiosignal is mutually corresponding with collection position, external membrane of heart data are obtained using electrocardio inverse operation.
Step 105, by finite element method by external membrane of heart data characterization on the image of thoracic cavity structure, with formed
Electrocardio Dynamic Graph.Electrocardio Dynamic Graph can be stored in system, browse access for doctor when needed, to facilitate observation monitored
Heart electrocardio-activity and cardiac physiology of the person within a period of time, there is provided diagnosis basis.
It is preferred that structured data in a step 101 includes the positional information of heart, lung, bone, skin etc..
It is preferred that multiple electrodes collection electrocardiogram (ECG) data can be gathered by one or more of mode in a step 102：
A) timing acquiring, one set time of interval start multiple electrodes collection electrocardiogram (ECG) data.Can be according to the feelings of monitored person
Condition and set the collection period of electrocardiogram (ECG) data.For example, the data that each hour gather all electrodes are given tacit consent to, record length can be with
For 10 seconds, and record 1～2 second before pushing away.
B) automatic data collection, using a monitoring electrode monitoring electrocardiosignal, when finding that electrocardiosignal is abnormal, starts multiple electricity
Pole gathers electrocardiogram (ECG) data.For example, when finding that electrocardiosignal is abnormal, record length is 10 seconds, and it is different to review electrocardiosignal generation
1～2 second before often, to record the state before event occurs, for analyzing event occurrence cause.
C) actively gather, monitored person starts multiple electrodes collection electrocardiogram (ECG) data.For example, arrange in imaging system and wake up
Button, when monitored person occurs that physiology is not in good time, presses the wake-up button by electrode acquisition system is started and records the current heart
Electric data, length can be 10 seconds, and 1～2 second reviewed before wake-up button is pressed, and record the state before event occurs, use
In analysis event occurrence cause.
For ensureing the accuracy of the electrocardiogram (ECG) data mapping of body surface, while obtaining structured data in a step 101, the heart is gathered
Electric data, in conjunction with the distributing position of multiple electrodes, it is ensured that the accuracy that data acquiring location is demarcated.
For ensureing the synchronism of the electrocardiogram (ECG) data mapping of body surface, in a step 102 multiple electrodes synchronous acquisition electrocardiogram (ECG) data.
More preferably, it is ensured that the error of multiple electrodes synchronous acquisition is within 250 microseconds.
It is preferred that in step 105 using the change for obtaining multiple electrodes position through thorax impedance measuring method, to revise
Electrocardio Dynamic Graph.Respiration motion compensation is mainly used in, using the metering system through thorax impedance, is surveyed using special driving frequency
Amount, causes impedance variations because breathing and moving the change of caused chest volume, so as to calculate the change in location of electrode, base
Modifying factor electrode position is utilized an algorithm in this corresponding relation to change and the data error of caused electrocardio Dynamic Graph.
Fig. 2 illustrates the structural representation of one embodiment of the present utility model.As illustrated, a kind of external membrane of heart electrocardio imaging
System 200 includes scanning imagery instrument 210, the multiple electrodes 220 for being attached to monitored person's body surface, collection storage card 230 and PC
Machine 240.Wherein, scanning imagery instrument 210 is connected with PC 240, and the scanning imagery instrument 210 is used for obtaining monitored person's
The structured data of thoracic cavity structure, and structured data can be sent to PC 240.
The multiple electrodes 220 for being attached to monitored person's body surface are connected with collection storage card 230, and electrode 220 gathers monitored
The electrocardiogram (ECG) data of person and by the electrocardiogram (ECG) data be sent to collection storage card 230 store.
Collection storage card 230 carries out data exchange with PC 240, the electrocardiogram (ECG) data of storage can be sent to PC 240.
Image of the PC 240 according to the thoracic cavity structure for receiving the monitored person of structured data reconstruction.Application electrocardio inverse operation
Theory, calculates the electrocardiosignal that electrocardiogram (ECG) data obtains heart adventitia, and by finite element theory, electrocardiosignal is characterized in and is supervised
On the image of the thoracic cavity structure of survey person.Change by electrocardiosignal on the external membrane of heart, can be characterized using the change of color
The change of electrical potential activity.
It is preferred that scanning imagery instrument can be CT, MRI, the one kind in ultrasonic scanning image instrument.Such scanning imagery
Instrument is using DICOM (Digital Imaging and Communications in Medicine, Digital imaging in medicine and logical
Letter data) data, based on VTK, (Visualization Toolkit), ITK (Insight Segmentation and
Registration Toolkit) software systems rebuild the image of the thoracic cavity structure for reducing monitored person by PC.
Fig. 3 illustrates the structural representation of another embodiment of the present utility model.As illustrated, a kind of external membrane of heart electrocardio into
As system 200 can also include wireless router 250.Collection storage card 230 is carried out with PC 240 by wireless router 250
Data exchange.More preferably, the wireless router can be using Bluetooth communication protocol come transmission data.Collection storage card 230 will storage
Electrocardiogram (ECG) data be sent in PC 240 by wireless router 250, carry out follow-up data operation and analysis.
Further, the external membrane of heart electrocardio imaging system 200 also includes monitoring electrode 260.Monitoring electrode 260 is deposited with collection
Card storage 230 connects.Monitoring electrode 260 attaches the body surface of monitored person, monitors electrocardiosignal, when the electrocardio letter for finding monitored person
When number abnormal, start electrode to gather the electrocardiogram (ECG) data of monitored person.
It is preferred that scanning imagery instrument 210 takes the structured data of the thoracic cavity structure of monitored person includes the heart of monitored person
Dirty, lung, bone, the positional information of skin.
It is preferred that multiple electrodes 220 are according to general physical appearance EGC testing Distribution Principle, with maximum on the upside of the left chest of monitored person
Outwards it is distributed centered on point, and xiphoid-process position minimum point, wherein the intensive arrangement in heart position, the sparse arrangement of peripheral position,
And ensure the distribution of electrodes of right chest and back.
A kind of monitored person's obtained by the external membrane of heart electrocardio imaging method and its imaging system that the utility model is provided
Electrocardio Dynamic Graph can be stored in imaging system.It is that every human observer sets up Profile, record personal information and corresponding
Electrocardio Dynamic Graph, wherein epicardial potential figure will be taken pictures with three-dimensional, or continuously intercept three-dimensional electrograph according to setting time interval, with
Four-dimensional external membrane of heart dynamic potential diagram is formed, and user operation can be allowed to annotate, be finally stored under case, be later stage monitored person
Illness, operation and postoperative rehabilitation provide complete information.
Furthermore, it is possible to utilize the three-dimensional electrograph of monitored person, by image recognition, ischemic form (long, wide), portion is recorded
Position, and calculate ischemic areas.Mark partial potential difference, and the degree of a myocardial ischemia is assessed by data above, do
Go out quantitative a, classification, it is possible to form report form.
A kind of external membrane of heart electrocardio imaging method and its imaging system that the utility model is provided is theoretical based on electrocardio inverse operation,
Set up including three-dimensional image reconstruction, the integral framework of body surface ecg collection.The system can be grown using multiple data recording modes
Record patient's electrocardiogram (ECG) data of time full information, and be analyzed by being wirelessly transmitted to PC, the inverse operation of application electrocardio is theoretical,
The electrocardiosignal of heart adventitia is calculated, and by finite element theory, electrocardiosignal is characterized in outside the heart of monitored person
On film 3-D graphic.Change by electrocardiosignal on the external membrane of heart, more visual pattern detect asking for cardiac function
Topic, it is provided that more more accurately heart change information.
Those skilled in the art can be obvious, can carry out various modifications and change to above-mentioned example embodiment of the present utility model
Type is without departing from spirit and scope of the present utility model.Accordingly, it is intended to make the utility model cover in appended claims
And its in the range of equivalent arrangements to modification of the present utility model and modification.
Claims (4)
1. a kind of external membrane of heart electrocardio imaging system, it is characterised in that include：
Scanning imagery instrument, for obtaining the structured data of the thoracic cavity structure of monitored person；
Multiple electrodes, for obtaining the electrocardiogram (ECG) data of the body surface of monitored person；
Collection storage card, is connected with the plurality of electrode, stores the electrocardiogram (ECG) data；
PC, the PC receive the structured data that the scanning imagery instrument is obtained, and are rebuild according to the structured data
The image of the thoracic cavity structure；The PC carries out data exchange with the collection storage card, the electrocardiogram (ECG) data is carried out inverse
Computing obtains external membrane of heart data；By finite element method by the external membrane of heart data characterization the thoracic cavity structure image
On, to form electrocardio Dynamic Graph；
Wireless router, the collection storage card carry out data exchange by the wireless router with the PC.
2. a kind of external membrane of heart electrocardio imaging system as claimed in claim 1, it is characterised in that the scanning imagery instrument is
One kind in CT, MRI, ultrasonic scanning image instrument.
3. a kind of external membrane of heart electrocardio imaging system as claimed in claim 1, it is characterised in that also include monitoring electrode, described
Monitoring electrode is connected with the collection storage card.
4. a kind of external membrane of heart electrocardio imaging system as claimed in claim 1, it is characterised in that the structured data includes the heart
Dirty, lung, bone, the positional information of skin.
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| CN201620191297.9U CN206007240U (en) | 2016-03-14 | 2016-03-14 | A kind of external membrane of heart electrocardio imaging system |
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| CN201620191297.9U CN206007240U (en) | 2016-03-14 | 2016-03-14 | A kind of external membrane of heart electrocardio imaging system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105640543A (en) * | 2016-03-14 | 2016-06-08 | 恩识医疗科技(上海)有限公司 | Epicardium electrocardiogram imaging method and imaging system thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105640543A (en) * | 2016-03-14 | 2016-06-08 | 恩识医疗科技(上海)有限公司 | Epicardium electrocardiogram imaging method and imaging system thereof |
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| GR01 | Patent grant |