CN106725439A - A kind of electrocardiogram acquisition and analysis system - Google Patents
A kind of electrocardiogram acquisition and analysis system Download PDFInfo
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- CN106725439A CN106725439A CN201710007676.7A CN201710007676A CN106725439A CN 106725439 A CN106725439 A CN 106725439A CN 201710007676 A CN201710007676 A CN 201710007676A CN 106725439 A CN106725439 A CN 106725439A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
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Abstract
Electrocardiogram acquisition disclosed by the invention and analysis system, including：Cardiac diagnosis lead system and Stereocenter terminal circuit, for forming Stereocenter end and the measurement network of zero potential, and measure the electric potential signal at multiple positions on human body, and multiple positions, not entirely in a plane, are used to obtain 3 D stereo electrocardiogram (ECG) data with heart；Electrocardiogram signal acquisition circuit, the electric potential signal for gathering multiple positions on the human body that cardiac diagnosis lead system is measured, and the electric potential signal at multiple positions on the human body is converted into data signal；Electrocardiogram (ECG) data analysis processor, for carrying out Data Analysis Services to the data signal, obtains 3 D stereo electrocardiosignal.The present invention can realize fixed point collection, can form three-dimensional heart potential diagram, can also form time domain electrocardiogram.
Description
Technical field
The present invention relates to medical instruments field, more particularly to a kind of electrocardiogram acquisition and analysis system.
Background technology
Current electrocardiogram acquisition and analysis method, major part are using the cardiac diagnosis lead system based on Wilson's network, profit
Electrocardiogram (ECG) data is gathered with Wilson's center-side, but because Wilson's center-side is planar central end, the ecg wave form for collecting is
The reprojection of three-dimensional ecg information, ecg information is not comprehensive, and lacks the ecg information of human body fore-and-aft direction.
And be the resultant vector figure of human body surface, no using the vectorcardiogram and Stereo ECG of FRANK lead systems
Fixed point analysis is conveniently carried out, and inconvenience carries out time-domain analysis to electrocardiosignal.
The content of the invention
The present invention provides a kind of electrocardiogram acquisition and analysis system, includes a three-dimensional electrocardio center-side, is used to solve now
Have in electrocardiogram acquisition and analysis system, or the ecg information for collecting is not comprehensive, lack the ecg information of human body fore-and-aft direction,
Be inconvenient to carry out fixed point analysis, it has not been convenient to carry out electrocardiosignal the shortcoming of time-domain analysis.
The invention provides a kind of electrocardiogram acquisition and analysis system, it is characterised in that including：
Cardiac diagnosis lead system and Stereocenter terminal circuit, Stereocenter end and measurement network for forming zero potential, and
The electric potential signal at multiple positions on measurement human body, multiple positions, not entirely in a plane, are used to obtain the 3 D stereo heart with heart
Electric data, the electric potential signal at each position includes the position relative to the current potential at Stereocenter end or the position and another position
Between potential difference；
Electrocardiogram signal acquisition circuit, the current potential letter for gathering multiple positions on the human body that cardiac diagnosis lead system is measured
Number, and the electric potential signal at multiple positions on the human body is converted into data signal；
Electrocardiogram (ECG) data analysis processor, for carrying out Data Analysis Services to the data signal, obtains the 3 D stereo heart
Electric signal.
Preferably, the cardiac diagnosis lead system and Stereocenter terminal circuit, including：
Cardiac diagnosis lead system, including at least 7 electrodes, is used to determine electrocardio 3 d space coordinate system；
Placement location of 7 electrodes on human body is respectively：
Electrode A, electrode E, electrode C, electrode I, electrode M are respectively positioned on the horizontal plane that the 5th intercostal intersects with left border of sternum,
And：
Electrode A is positioned over left midaxillary line；In the middle of electrode E is positioned over before breastbone；Electrode C is positioned over left chest, i.e. electricity
The centre of pole A and electrode E；Electrode I is positioned over right side midaxillary line, and electrode M is positioned in the middle of back part backbone；Electrode H is positioned over
Neck and trunk junction afterwards, electrode F are positioned over left foot portion.
Preferably, the cardiac diagnosis lead system can also include other electrodes, and described other electrodes are used to be positioned over human body
Other positions, the electric potential signal for measuring other positions.
Preferably, the cardiac diagnosis lead system and Stereocenter terminal circuit, including：
Electrode A, electrode C, electrode I are respectively by interconnection after a resistance, then are connected to by a resistance described vertical
Body center-side；
Electrode I, electrode E, electrode C, electrode A, electrode M respectively by being connected with each other after a resistance, then by a resistance
The Stereocenter end is connected to, electrode M, electrode F, electrode H are respectively connected to the Stereocenter end by a resistance.
Preferably, the cardiac diagnosis lead system and Stereocenter terminal circuit, can also be reduced to：
Electrode A X, electrode B X, electrode A Y, electrode B Y, electrode A Z, electrode B Z respectively connect an one end for resistance, 6 electricity
Resistance resistance is identical, and 6 respective other ends of resistance are interconnected to constitute the Stereocenter end；
Wherein, electrode A X and electrode B X is respectively placed in human body or so sites, and electrode A Y is placed respectively with electrode B Y
In the upper and lower sites of human body, electrode A Z and electrode B Z is respectively placed in sites before and after human body, and 6 positions determine the heart
The three-dimensional system of coordinate in electric space.
Preferably, the cardiac diagnosis lead system and Stereocenter terminal circuit, also include：
The electrode for measuring electric potential signal for being arranged at other positions of human body；
Preferably, by setting multiple electrodes, each electrode respectively with Stereocenter end differential amplification, realize three-dimensional collection
The electrocardiosignal of heart diverse location.
Preferably, the electrocardiogram (ECG) data analysis processor, is additionally operable to：
Electrocardio electric potential signal to gathering is processed, and draws corresponding ecg wave form；
The size of the complex electrocardio vector fastened by the three-dimensional coordinate to electrocardio space is calculated, and draws complex electrocardio vector
The waveform for changing over time；
To synchronization, the ecg wave form based on Stereocenter end is contrasted with the big small form of complex electrocardio vector, obtained
Obtain comparing result；
The electrocardiosignal for obtaining to solid collection heart diverse location is processed, and draws three-dimensional heart potential diagram.
Some beneficial effects of the invention can include：
The electrocardiogram acquisition and analysis system that the present invention is provided can be directed to different body surface station acquisition ecg informations,
Fixed point collection is realized, and the ecg information of collection is comprehensive, can form three-dimensional heart potential diagram, can also form time domain electrocardio
Figure.
Other features and advantages of the present invention will be illustrated in the following description, also, the partly change from specification
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages can be by the explanations write
Specifically noted structure is realized and obtained in book, claims and accompanying drawing.
Below by drawings and Examples, technical scheme is described in further detail.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, with reality of the invention
Applying example is used to explain the present invention together, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of a kind of electrocardiogram acquisition and analysis system in the embodiment of the present invention；
Fig. 2 is the circuit diagram of embodiment of the present invention neutral body center terminal circuit；
Fig. 3 is a kind of circuit diagram of simplified Stereocenter terminal circuit in the embodiment of the present invention；
Fig. 4 A are FRANK lead system resistor networks in the embodiment of the present invention；
Fig. 4 B are the circuit theory diagrams of the electrocardiogram signal acquisition circuit in the embodiment of the present invention；
Fig. 5 is the ecg wave form schematic diagram of a measuring point Vn in the embodiment of the present invention；
The schematic diagram that Fig. 6 is changed over time for the size of complex electrocardio vector (RV) absolute value in the embodiment of the present invention；
Fig. 7 is the schematic diagram of embodiment of the present invention neutral body heart potential diagram；
Specific embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that preferred reality described herein
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Fig. 1 is the schematic diagram of a kind of electrocardiogram acquisition and analysis system in the embodiment of the present invention.As shown in figure 1, including：
Cardiac diagnosis lead system and Stereocenter terminal circuit, Stereocenter end and measurement network for forming zero potential, and
The electric potential signal at multiple positions on measurement human body, multiple positions, not entirely in a plane, are used to obtain the 3 D stereo heart with heart
Electric data, the electric potential signal at each position includes the position relative to the current potential at Stereocenter end or the position and another position
Between potential difference；
Electrocardiogram signal acquisition circuit, the current potential letter for gathering multiple positions on the human body that cardiac diagnosis lead system is measured
Number, and the electric potential signal at multiple positions on the human body is converted into data signal；
Electrocardiogram (ECG) data analysis processor, for carrying out Data Analysis Services to the data signal, obtains the 3 D stereo heart
Electric signal.
In one embodiment of the invention, the electric potential signal at a position is by measuring the position and Stereocenter end
Potential difference obtain.Therefore the electric potential signal at any position on body surface can be obtained, any one point for thinking measurement is convenient for measuring
Electric potential signal, realize fixed point collection.
In one embodiment of the invention, as shown in Fig. 2 the cardiac diagnosis lead system and Stereocenter terminal circuit, bag
Include：
Cardiac diagnosis lead system, including at least 7 electrodes, is used to determine electrocardio 3 d space coordinate system；
Placement location of 7 electrodes on human body is respectively：
Electrode A, electrode E, electrode C, electrode I, electrode M are respectively positioned on the horizontal plane that the 5th intercostal intersects with left border of sternum,
And：
Electrode A is positioned over left midaxillary line；In the middle of electrode E is positioned over before breastbone；Electrode C is positioned over left chest, i.e. electricity
The centre of pole A and electrode E；Electrode I is positioned over right side midaxillary line, and electrode M is positioned in the middle of back part backbone；Electrode H is positioned over
Neck and trunk junction afterwards, electrode F are positioned over left foot portion.
The electrode for being placed in any position can also be included for measuring.
In one embodiment of the invention, multiple electrodes can also simultaneously be increased, electrode can be positioned over appointing for body surface
One position, the electric potential signal at the position can be obtained with the potential difference at Stereocenter end by measuring the position.
In one embodiment of the invention, FRANK leads that can also by Stereocenter terminal circuit and as shown in Figure 4 A
System is used cooperatively.
In one embodiment of the invention, as shown in Fig. 2 the Stereocenter terminal circuit, is embodied as, electrode A, electrode
C, electrode I respectively with resistance R14, R15, R16 (three resistances of resistance preferably be respectively 1.28k Ω, 4.59k Ω, 1k Ω)
It is connected with each other after connection, then Stereocenter end is connected to by a resistance R25 (resistance of the resistance is preferably 220 Ω), electricity
(resistance of five resistance is preferred with resistance R17, R18, R19, R20, R21 respectively for pole I, electrode E, electrode C, electrode A, electrode M
Respectively 3.27k Ω, 2.32k Ω, 3.74k Ω, 6.56k Ω, 1.18k Ω) it is connected with each other after connection, then by a resistance
R26 (resistance of the resistance is preferably 130 Ω) is connected to Stereocenter end, electrode M, electrode F, electrode H respectively with resistance R22,
Stereocenter end is connected to after R23, R24 (three resistances of resistance are preferably respectively 2.9k Ω, 1.53k Ω, 1k Ω) connection.
By the setting at Stereocenter end, the data for making measurement are the fixed point vector signal for once projecting of electrocardiosignal, electrocardiosignal
Without loss.The resistance of each resistance can be set according to actual needs above.
In one embodiment of the invention, as shown in figure 3, the cardiac diagnosis lead system and Stereocenter terminal circuit, go back
Can be reduced to, by by electrode A X, electrode B X, electrode A Y, electrode B Y, electrode A Z, electrode B Z connect respectively a resistance R1,
R2, R3, R4, R5, R6, this 6 resistances are identical, and preferred resistance is that (resistance is between 10k Ω to 100k Ω for 20k Ω
It is preferred), the other end of 6 resistance is interconnected to constitute Stereocenter end, wherein, electrode A X and electrode B X is respectively placed in human body
Left and right sites, electrode A Y and electrode B Y is respectively placed in the upper and lower sites of human body, and electrode A Z is placed respectively with electrode B Z
The sites before and after human body, the electrode of 6 positions determines the three-dimensional system of coordinate in electrocardio space, can also include and be placed in
The electrode of any position is used to measure.Cardiac diagnosis lead system after simplification can make measurement and follow-up point with Stereocenter terminal circuit
Analysis is more convenient.
In one embodiment of the invention, cardiac diagnosis lead system and Stereocenter terminal circuit, also including multiple for setting
It is placed in the electrode for measuring electric potential signal at other positions of human body；The information of more electrocardiosignals can be obtained.
In one embodiment of the invention, as shown in Figure 4 A and 4 B shown in FIG., the electrocardiogram signal acquisition circuit, survey used
Amount network is made up of FRANK lead system resistor networks and Stereocenter terminal circuit, and the part in electrocardiogram signal acquisition circuit is 1.
2. FRANK lead system resistor networks output end X+, X-, the three-dimensional in electrocardio space determined by Y+, Y-, Z+, Z- are 3. realized
4. the differential amplification of the electrocardiosignal of coordinate system, part realizes any measuring point Vn of body surface with the electrocardiosignal at Stereocenter end
5. differential amplification, part carries out analog-to-digital conversion to the electrocardiosignal after differential amplification.
In one embodiment of the invention, multiple electrodes for measuring electric potential signal, each electrode difference are provided with
With Stereocenter end differential amplification, the electrocardiosignal of three-dimensional collection heart diverse location is realized.The heart collected by the method
Power information is more comprehensive, can provide more information for diagnosis.
In one embodiment of the invention, electrocardiogram (ECG) data analysis processor to gather electrocardio electric potential signal at
Reason, draws corresponding ecg wave form；
In one embodiment of the invention, as shown in figure 5, being a measuring point Vn and the electrocardiosignal at Stereocenter end
The ecg wave form schematic diagram of the measuring point Vn obtained after differential amplification.By the setting of measuring point, can be to the heart at any position of body surface
Electric signal pinpoint analysis in real time.
In one embodiment of the invention, the electrocardiogram (ECG) data analysis processor, is additionally operable to by computing formula to the heart
The order of magnitude of the complex electrocardio vector that the three-dimensional coordinate in electric space is fastened is calculated, and is drawn complex electrocardio vector and is changed over time
Waveform, as shown in Figure 6.The computing formula is：
Wherein, RV is the size of the absolute value of complex electrocardio vector, and x, y, z are resultant vector respectively in electrocardio space
Projection values in 3 reference axis of three-dimensional system of coordinate.
The ecg wave form based on Stereocenter end of synchronization can also be carried out with the big small form of complex electrocardio vector
Contrast, obtains comparing result.
The electrocardiosignal for obtaining of solid collection heart diverse location can also be processed, draw three-dimensional heart current potential
Figure, as shown in Figure 7.
In the present invention, the electrocardio electric potential signal for gathering is processed, what the three-dimensional coordinate in electrocardio space was fastened is comprehensive
The size for closing electrocardio vector is calculated, and the ecg wave form and the big small form of complex electrocardio vector at Stereocenter end are based on to synchronization
Contrasted, and the electrocardiosignal for obtaining that solid gathers heart diverse location is carried out the data processing method used such as processing
Can be realized by existing disclosed method.
The electrocardiogram acquisition and analysis system that the present invention is provided can be directed to different body surface station acquisition ecg informations,
Fixed point collection is realized, and the ecg information of collection is comprehensive, can also form time domain electrocardiogram.
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram are described.It should be understood that every first-class during flow chart and/or block diagram can be realized by computer program instructions
The combination of flow and/or square frame in journey and/or square frame and flow chart and/or block diagram.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced for reality by the instruction of computer or the computing device of other programmable data processing devices
The device of the function of being specified in present one flow of flow chart or multiple one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in can guide computer or other programmable data processing devices with spy
In determining the computer-readable memory that mode works so that instruction of the storage in the computer-readable memory is produced and include finger
Make the manufacture of device, the command device realize in one flow of flow chart or multiple one square frame of flow and/or block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented treatment, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (8)
1. a kind of electrocardiogram acquisition and analysis system, it is characterised in that including：
Cardiac diagnosis lead system and Stereocenter terminal circuit, for forming Stereocenter end and the measurement network of zero potential, and measure
The electric potential signal at multiple positions on human body, multiple positions, not entirely in a plane, are used to obtain 3 D stereo electrocardio number with heart
According to the electric potential signal at each position includes the position relative between the current potential at Stereocenter end or the position and another position
Potential difference；
Electrocardiogram signal acquisition circuit, the electric potential signal for gathering multiple positions on the human body that cardiac diagnosis lead system is measured, and
The electric potential signal at multiple positions on the human body is converted into data signal；
Electrocardiogram (ECG) data analysis processor, for carrying out Data Analysis Services to the data signal, obtains 3 D stereo electrocardio letter
Number.
2. the system as claimed in claim 1, it is characterised in that the cardiac diagnosis lead system and Stereocenter terminal circuit, including：
Cardiac diagnosis lead system, including at least 7 electrodes, is used to determine electrocardio 3 d space coordinate system；
Placement location of 7 electrodes on human body is respectively：
Electrode A, electrode E, electrode C, electrode I, electrode M are respectively positioned on the horizontal plane that the 5th intercostal intersects with left border of sternum, and：
Electrode A is positioned over left midaxillary line；In the middle of electrode E is positioned over before breastbone；Electrode C be positioned over left chest, i.e. electrode A with
The centre of electrode E；Electrode I is positioned over right side midaxillary line, and electrode M is positioned in the middle of back part backbone；Electrode H is positioned over rear neck
With trunk junction, electrode F is positioned over left foot portion.
3. system as claimed in claim 2, it is characterised in that
The cardiac diagnosis lead system can also include other electrodes, and described other electrodes are used to be positioned over other positions of human body,
Electric potential signal for measuring other positions.
4. the system as described in any in claims 1 to 3, it is characterised in that
The cardiac diagnosis lead system and Stereocenter terminal circuit, including：
Electrode A, electrode C, electrode I are respectively by interconnection after a resistance, then are connected in the solid by a resistance
Heart end；
Electrode I, electrode E, electrode C, electrode A, electrode M are respectively by interconnection after a resistance, then are connected by a resistance
To the Stereocenter end, electrode M, electrode F, electrode H are respectively connected to the Stereocenter end by a resistance.
5. Stereocenter terminal circuit as claimed in claim 1, it is characterised in that
The cardiac diagnosis lead system and Stereocenter terminal circuit, including：
Electrode A X, electrode B X, electrode A Y, electrode B Y, electrode A Z, electrode B Z respectively connect an one end for resistance, 6 resistance resistances
Value is identical, and 6 respective other ends of resistance are interconnected to constitute the Stereocenter end；
Wherein, electrode A X and electrode B X is respectively placed in human body or so sites, and electrode A Y and electrode B Y is respectively placed in people
The upper and lower sites of body, electrode A Z and electrode B Z is respectively placed in sites before and after human body, and it is empty that 6 positions determine electrocardio
Between three-dimensional system of coordinate.
6. Stereocenter terminal circuit as claimed in claim 5, it is characterised in that
The cardiac diagnosis lead system and Stereocenter terminal circuit, also include：
The electrode for measuring electric potential signal for being arranged at other positions of human body；
7. the system as claimed in claim 1, it is characterised in that
By setting multiple electrodes, each electrode respectively with Stereocenter end differential amplification, realize three-dimensional collection heart difference position
The electrocardiosignal put.
8. the system as claimed in claim 1, it is characterised in that
The electrocardiogram (ECG) data analysis processor, is additionally operable to：
Electrocardio electric potential signal to gathering is processed, and draws corresponding ecg wave form；
The size of the complex electrocardio vector fastened by the three-dimensional coordinate to electrocardio space is calculated, and draws complex electrocardio vector at any time
Between change waveform；
To synchronization, the ecg wave form based on Stereocenter end is contrasted with the big small form of complex electrocardio vector, and it is right to obtain
Compare result；
The electrocardiosignal for obtaining to solid collection heart diverse location is processed, and draws three-dimensional heart potential diagram.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1289579A (en) * | 2000-11-03 | 2001-04-04 | 曲直 | Method and equipment for quantitatively diagnosing myocardial infarction by computer and electrocardiogram |
| CN103829941A (en) * | 2014-01-14 | 2014-06-04 | 武汉培威医学科技有限公司 | Multi-dimensional electrocardiosignal imaging system and method |
-
2017
- 2017-01-05 CN CN201710007676.7A patent/CN106725439A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1289579A (en) * | 2000-11-03 | 2001-04-04 | 曲直 | Method and equipment for quantitatively diagnosing myocardial infarction by computer and electrocardiogram |
| CN103829941A (en) * | 2014-01-14 | 2014-06-04 | 武汉培威医学科技有限公司 | Multi-dimensional electrocardiosignal imaging system and method |
Non-Patent Citations (1)
| Title |
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| 雷元义: "《中外心电图机实用技术》", 31 May 1997, 中国计量出版社 * |
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Application publication date: 20170531 |