CN106264517B - A kind of method and system selecting electrocardio measurement position - Google Patents
A kind of method and system selecting electrocardio measurement position Download PDFInfo
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- CN106264517B CN106264517B CN201610867264.6A CN201610867264A CN106264517B CN 106264517 B CN106264517 B CN 106264517B CN 201610867264 A CN201610867264 A CN 201610867264A CN 106264517 B CN106264517 B CN 106264517B
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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
- A61B5/7221—Determining signal validity, reliability or quality
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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
- A61B5/7225—Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
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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
- A61B5/725—Details of waveform analysis using specific filters therefor, e.g. Kalman or adaptive filters
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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
- A61B5/7253—Details of waveform analysis characterised by using transforms
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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
- A61B5/7271—Specific aspects of physiological measurement analysis
Abstract
A method of selection electrocardio measurement position, the following steps are included: 1) form the grid of (M-1) × (M-1) in the electrode points of human body front surface distribution M row M column, shirtfront surface is covered, each grid uses (m, n) to indicate；2) every row is spaced 1 column from left to right, successively determines other grid positions to be measured, and after every row selection, then interlacing repeats aforesaid operations, determines all grid positions to be measured；3) the rectangular cardioelectric monitor unit of 4 electrodes is affixed on each selected grid position respectively, carries out signal acquisition；4) electrocardiosignal reaches intelligent terminal, carries out processing and quality evaluation to signal；5) according to assessment result, select the top-quality grid area of electrocardiosignal for initial option position.And the system that a kind of method for providing selection electrocardio measurement position is realized.The present invention provides the method and system that one kind effectively obtains optimal single lead electrocardiosignal, the selection electrocardio measurement position for promoting measurement accuracy.
Description
Technical field
The present invention relates to the detection of human health monitoring arts center telecommunications number, especially a kind of selection electrocardio measurement position
Method and system.
Background technique
Cardiovascular disease is regarded as " dead enemy of world's public health ".Heart disease is dead because of its generality and height
Rate is the hot spot of medical health field research always.Heart disease has the characteristics that sudden and transient simultaneously, leads to its hardly possible
To be found and be monitored in time.Therefore, patient groups need the heart of real-time monitoring oneself, accomplish early discovery, early diagnosis,
Early treatment.
The real-time monitoring of electrocardiogram (Electrocardiogram, ECG) is current early warning and diagnosis arrhythmia cordis, cardiac muscle
The one preferred technique means of the heart diseases such as disease, principle are to cause when capturing each heartbeat cardiac muscle cell depolarising in skin surface
Miniature potential variation, ECG waveform can be depicted after being amplified.Period, amplitude and the shape that doctor passes through analysis ECG waveform
The information such as state diagnose various cardiac-related diseases.
But currently used ECG monitor has the disadvantages that
1, portability is not strong, such as the cardiac monitoring equipment that hospital uses, and volume is larger and needs more conducting wires, lacks just
The property taken needs patient to be hospitalized and monitors；
2, real-time is not strong, cannot continue to monitor electrocardio whenever and wherever possible, can not guard the heart in patient's daily life
Health status does not have prevention effect；
3, expensive, popularization is not strong；
4, complicated for operation, test process it is more complicated with it is professional, the elderly may be inconvenient to use.
With the fast development of big data and Intelligent hardware field, lead number as far as possible less, carrying portable, human contact friend
Good, wearable ECG custodial care facility that is can continuously monitoring has been increasingly becoming the focus of medical health field scientific research and industrial circle.
In the prior art, it has been disclosed that the wearable ECG of various new monitors system and method.For example, application No. is
201210586132.8 Chinese patent discloses a kind of portable three-lead real-time wireless electrocardiogram monitoring system, it uses 3
A electrocardioelectrode (2 position signal extraction electrodes, 1 is right leg drive electrode) and wireless communication technique, solve multi-lead line
Inconvenient problem, and the electrocardiosignal QRS wave characteristic detected is obvious.Measurement result is sent to computer and shows.Application No. is US
The United States Patent (USP) of 2014/0228665 A1 discloses a kind of bipolar electrode electrocardiograph monitoring device, it simplifies traditional 12 leads prison
Instrument is surveyed, 2 conducting wires are only used, monitors single lead electrocardiosignal, and electrocardiosignal feature is obvious.
But disclosed above application No. is 201210586132.8 Chinese patent number of electrodes can also reduce further
Reduction system volume.Application No. is the United States Patent (USP)s of 2014/0228665 A1 of US still to use conducting wire, is not easy to supervise in real time
It surveys.If being handled, being analyzed and being shown in real time on intelligent terminal by wireless communication technique in conjunction with intelligent terminal
Show, the self-monitoring management and diagnosis of sufferer will be significantly facilitated.
In the recent period, also occur some single lead electrocardio measuring devices, such as the BioStampRC of MC10 company in the market
The mono- lead electrocardio patch of System, but it is not explicitly stated for electrocardiosignal measurement position.
Summary of the invention
In order to overcome the shortcomings of existing electrocardio measuring technique can not to provide best measurement position, measurement accuracy poor,
The selection electrocardio measurement position that the present invention provides one kind effectively to obtain optimal single lead electrocardiosignal, promotes measurement accuracy
Method and system.
The technical solution adopted by the present invention to solve the technical problems is:
A method of selection electrocardio measurement position the described method comprises the following steps:
1) in the electrode points of human body front surface distribution M row M column, M > 4 forms the grid of (M-1) × (M-1), before covering
Chest surface, each grid use (m, n) to indicate, m < M, n < N；
2) every row is spaced 1 column from left to right, successively determines other grid positions to be measured, after every row selection, then interlacing
Aforesaid operations are repeated, determine all grid positions to be measured；
3) the rectangular cardioelectric monitor unit of 4 electrodes is affixed on each selected grid position respectively, carries out signal acquisition, and described 4
In the rectangular cardioelectric monitor unit of electrode, 4 electrodes form square, and the square is identical as grid size；
4) electrocardiosignal reaches intelligent terminal, carries out processing and quality evaluation to signal；
5) according to assessment result, select the top-quality grid area of electrocardiosignal for initial option position.
Further, the method also includes following steps:
6) a 9 palace lattice are established around the corresponding grid in the initial option position；
7) the rectangular cardioelectric monitor unit of 4 electrodes is affixed on 9 grid positions respectively, carries out signal acquisition；
8) electrocardiosignal reaches intelligent terminal, carries out processing and quality evaluation to signal；
9) according to assessment result, the top-quality position of electrocardiosignal is selected to believe for optimal human body front list lead electrocardio
Number detection position.
Further, in the step 6), if this grid is located at the edge of net region, position in this 9 palace lattice is chosen
Several grid inside grid are region to be measured.
In the step 2), grid (1,1) is determined as first grid position to be measured, grid (1,3) is determined as second
A grid position to be measured.This is a kind of preferred mode, it is of course also possible to which grid (1,2) is determined as first grid to be measured
Position.
The ECG's data compression uses wavelet transformation, and digital filtering, adaptive-filtering etc. can also be used.
The quality evaluation standard is amplitude size, the ecg wave form characteristic value of signal-to-noise ratio and QRS complex, the electrocardio
Wave character value includes P wave amplitude, T wave amplitude, R -- R interval.
A kind of system selecting electrocardio measurement position, the system comprises the rectangular cardioelectric monitor unit of 4 electrodes, the systems
Further include:
For the electrode points in human body front surface distribution M row M column, the grid of (M-1) × (M-1) is formed, covers shirtfront
Surface, the gridding setup module that each grid uses (m, n) to indicate；
It is spaced 1 column from left to right for every row, successively determines other grid positions to be measured.After every row selection, then every
Row repeats aforesaid operations, determines the grid chosen module of all grid positions to be measured；
It is affixed on each selected grid position respectively for the rectangular cardioelectric monitor unit of 4 electrodes, and acquires the signal of signal
First acquisition module；
For carrying out processing and quality evaluation to signal, select at the beginning of the top-quality position of electrocardiosignal is for grid area
The rough location selecting module of step selection position.
Further, the system also includes:
For establishing a 9 palace lattice, the rectangular cardioelectric monitor list of 4 electrodes around the corresponding grid in the initial option position
Member is affixed on 9 grid positions respectively, carries out the signal of signal acquisition acquisition module again；
For carrying out processing and quality evaluation to signal, select the top-quality position of electrocardiosignal for optimal human body chest
The optimal location selecting module of preceding list lead ECG signal sampling position.
Further, the rectangular cardioelectric monitor unit of 4 electrodes includes electrocardiogram acquisition module, analog front circuit module, insertion
Formula MCU module, wireless communication module, power module of voltage regulation and switch module.
The electrocardiogram acquisition module includes that 4 metal buttons and 4 electrocardioelectrodes, the metal button are integrated in PCB
Substrate is used to cooperate with 4 electrocardioelectrodes, Nian Jie with human skin, and the faint electrocardio for acquiring human body table is believed；The metal
Button and electrocardioelectrode cooperate, and every 2 electrodes constitute a single lead electrocardio device, electrode spacing 5cm, structure by difference channel
At a square region, while measuring single lead electrocardiosignal of 6 different directions and position.
Beneficial effects of the present invention are mainly manifested in: by designing a kind of rectangular cardioelectric monitor system of 4 electrodes, being detected simultaneously
Single lead electrocardio electrocardio of 6 different locations and orientation, realizes cardiac electrical real-time monitoring；Graded mesh distribution proposed by the present invention
Appraisal procedure is tested, measurement range covers human body shirtfront, realizes human body shirtfront surface list lead ECG signal sampling position
Precise positioning；The present invention realizes the real-time monitoring and and alarm of vital sign parameter by intelligent terminal.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the rectangular cardioelectric monitor system of 4 electrode provided by the invention；
Fig. 2 is the wearing schematic of the rectangular cardioelectric monitor system of 4 electrode provided by the invention；
Fig. 3 is the structural block diagram of the rectangular cardioelectric monitor system of 4 electrode provided by the invention；
Fig. 4 is the instrumentation plan of graded mesh distribution tests appraisal procedure provided by the invention.
Fig. 5 is graded mesh distribution tests appraisal procedure flow chart provided by the invention；
In figure: 101, the rectangular cardioelectric monitor system of 4 electrodes；102, analog front circuit module；103, power module of voltage regulation；
104, electrocardioelectrode；105, embedded MCU module；106, wireless communication module；201, intelligent terminal.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Referring to Fig.1~Fig. 5, a method of selection electrocardio measurement position the described method comprises the following steps:
1) in the electrode points of human body front surface distribution M row M column, M > 4 forms the grid of (M-1) × (M-1), before covering
Chest surface, each grid use (m, n) to indicate, m < M, n < N；
2) every row is spaced 1 column from left to right, successively determines other grid positions to be measured, after every row selection, then interlacing
Aforesaid operations are repeated, determine all grid positions to be measured；
3) the rectangular cardioelectric monitor unit of 4 electrodes is affixed on each selected grid position respectively, carries out signal acquisition, and described 4
In the rectangular cardioelectric monitor unit of electrode, 4 electrodes form square, and the square is identical as grid size；
4) electrocardiosignal reaches intelligent terminal, carries out processing and quality evaluation to signal；
5) according to assessment result, select the top-quality grid area of electrocardiosignal for initial option position.
Further, the method also includes following steps:
6) a 9 palace lattice are established around the corresponding grid in the initial option position；
7) the rectangular cardioelectric monitor unit of 4 electrodes is affixed on 9 grid positions respectively, carries out signal acquisition；
8) electrocardiosignal reaches intelligent terminal, carries out processing and quality evaluation to signal；
9) according to assessment result, the top-quality position of electrocardiosignal is selected to believe for optimal human body front list lead electrocardio
Number detection position.
Further, in the step 6), if this grid is located at the edge of net region, position in this 9 palace lattice is chosen
Several grid inside grid are region to be measured.
In the step 2), grid (1,1) is determined as first grid position to be measured, grid (1,3) is determined as second
A grid position to be measured.This is a kind of preferred mode, it is of course also possible to which grid (1,2) is determined as first grid to be measured
Position.
The ECG's data compression uses wavelet transformation, and digital filtering, adaptive-filtering etc. can also be used.
The quality evaluation standard is amplitude size, the ecg wave form characteristic value of signal-to-noise ratio and QRS complex, the electrocardio
Wave character value includes P wave amplitude, T wave amplitude and R -- R interval.
A kind of system selecting electrocardio measurement position, the system comprises the rectangular cardioelectric monitor unit of 4 electrodes, the systems
Further include:
For the electrode points in human body front surface distribution M row M column, the grid of (M-1) × (M-1) is formed, covers shirtfront
Surface, the gridding setup module that each grid uses (m, n) to indicate；
It is spaced 1 column from left to right for every row, successively determines other grid positions to be measured.After every row selection, then every
Row repeats aforesaid operations, determines the grid chosen module of all grid positions to be measured；
It is affixed on each selected grid position respectively for the rectangular cardioelectric monitor unit of 4 electrodes, and acquires the signal of signal
First acquisition module；
For carrying out processing and quality evaluation to signal, selecting the top-quality grid area of electrocardiosignal is initial option
The rough location selecting module of position.
Further, the system also includes:
For establishing a 9 palace lattice, the rectangular cardioelectric monitor list of 4 electrodes around the corresponding grid in the initial option position
Member is affixed on 9 grid positions respectively, carries out the signal of signal acquisition acquisition module again；
For carrying out processing and quality evaluation to signal, select the top-quality position of electrocardiosignal for optimal human body chest
The optimal location selecting module of preceding list lead ECG signal sampling position.
Further, the rectangular cardioelectric monitor unit of 4 electrodes includes electrocardiogram acquisition module, analog front circuit module, insertion
Formula MCU module, wireless communication module, power module of voltage regulation and switch module.
The electrocardiogram acquisition module includes that 4 metal buttons and 4 electrocardioelectrodes, the metal button are integrated in PCB
Substrate is used to cooperate with 4 electrocardioelectrodes, Nian Jie with human skin, and the faint electrocardio for acquiring human body table is believed；The metal
Button and electrocardioelectrode cooperate, and every 2 electrodes constitute a single lead electrocardio device, electrode spacing 5cm, structure by difference channel
At a square region, while measuring single lead electrocardiosignal of 6 different directions and position.
The electrocardioelectrode is directly connected with the differential input end of analog front circuit module, the analog front circuit
Module is also connect with embedded MCU module and wireless communication module simultaneously；The system is powered by power module of voltage regulation.
The analog front circuit module carries out difference, amplification, bandpass filtering, notch filter to signal using difference channel
Deng processing, 6 road list lead electrocardiosignals are obtained；It can be realized by simulation integrated chip or analog discrete components.
The embedded MCU module mainly realizes that ecg signal acquiring is handled, including the function such as signal sampling, analog-to-digital conversion
Energy；It can be realized by microprocessor or PLC programmable logic device.
The wireless communication module is communicated using Blue-tooth communication method, can also be used IEEE802.11a/b/g/n,
The wireless transmission interfaces such as IEEE802.15/16, GSM/GPRS or CDMA/WCDMA/CDMA2000/TDS-CDMA.The present invention adopts
With Bluetooth Low Energy module built-in in nRF51822 chip.In order to realize the wireless receiving and dispatching of data, also need to design corresponding indigo plant
Tooth antenna.
The power module of voltage regulation uses battery, exports work electricity of the constant voltage as system by voltage stabilizing chip
Pressure；Button cell, dry cell, rechargeable lithium ion batteries, fuel cell or photocell can be used in the battery.The present invention uses
Using the lithium polymer battery of 3.7V, operating voltage of the constant 3.3V voltage as system is exported by voltage stabilizing chip.
The switch module 102 contacts steady, good hand touch using circular metal elastic slice.Key switch etc. can also be used.
Collected data are wirelessly transmitted to the intelligence such as smart phone, tablet computer, personal computer by described device main body
Energy terminal device, may be implemented the real-time remote monitoring of electrocardiosignal.
As shown in Figure 1, the embodiment of the present invention is related to a kind of wearable rectangular cardioelectric monitor system 101 of 4 electrode, system master
Body is a rectangular PCB substrate, and which is embedded multiple unit modules.4 metal buttons and 4 electrode cooperations, for acquiring
The faint electrocardiosignal of human body table.Every 2 electrodes constitute a single lead electrocardio device by difference channel, electrode spacing 5cm,
A square region is constituted, single lead electrocardiosignal of 6 different directions and position can be measured simultaneously.The system is worn on chest
Before, as shown in Fig. 2, it is closer apart from heart, it is easier to obtain the higher electrocardiosignal of signal-to-noise ratio.System can also be by collected signal
It is sent to intelligent terminal in real time with data, realizes real-time remote monitoring.
In the present embodiment, the specific structure is shown in FIG. 3 for the wearable rectangular cardioelectric monitor system 101 of 4 electrode.System
Including electrocardiogram acquisition module, analog front circuit module 107, embedded MCU module 105, wireless communication module 106, pressure stabilizing electricity
Source module 103, switch module 102 etc., differential input end of the electrocardiogram acquisition module directly with analog front circuit module 107
It is connected, the analog front circuit module 107 also connects with embedded MCU module 105 and wireless communication module 106 simultaneously
It connects；The system is powered by power module of voltage regulation.
In this example, the electrocardiogram acquisition module, including 4 metal buttons and 4 electrocardioelectrodes 104, the metal knob
Button is integrated in PCB substrate and is used to cooperate with 4 electrocardioelectrodes 104, Nian Jie with human skin, for acquiring the faint heart of human body table
Electric signal.The metal button energy and electrode separation, and can repeatedly be recorded together.
In this example, the analog front circuit module 107 first carries out at difference signal using difference channel
Reason；Then amplify by two-stage, realize higher gain；Again by bandpass filtering and 50Hz notch filter, Hz noise is removed
Equal noises；Finally, 6 road list lead electrocardiosignals are obtained.
In the present embodiment, the battery 202 exports work electricity of the constant 3.3V voltage as system by voltage stabilizing chip
Pressure.The battery used can be rechargeable lithium ion batteries.
In this example, the switch module 102 contacts steady, good hand touch using circular metal elastic slice.
In the present embodiment, the wireless communication module 106 has wireless transmission interface, and the MCU module 105 is acquired
Data are wirelessly transmitted to remote intelligent terminal equipment 201 by Blue-tooth communication method, not only can reduce device volume, and removal is led
On line, so that device is easy to wear, while can be with the long-range monitoring of electrocardiosignal.
In the present embodiment, the embedded MCU module 107 uses the Cortex- of the nRF51822 chip of Nodric company
M0 microcontroller.ADC module is using 10 ADC inside MCU.
In the present embodiment, the intelligent terminal 201 can be smart phone.Intelligent terminal 201 can monitor simultaneously,
Record, analyze the electrocardiosignal of one or more people.Intelligent terminal 201 can also for human body vital sign parameter variation into
Row alarm, to play the role of real-time monitoring and mitigate nurse burden.
As shown in figure 4, the embodiment of the present invention is related to a kind of graded mesh distribution tests appraisal procedure.M value takes 6, in people
Body front surface is distributed 36 electrodes, covers shirtfront surface, the rectangular cardioelectric monitor system of 4 electrodes is attached to different grid positions,
Signal processing and quality evaluation are carried out to the electrocardiosignal of acquisition, first position the quality region unit of electrocardiosignal, repositioning tool
Bulk measurement position and orientation.Specifically, as shown in Figure 5, comprising:
Step S1 is distributed the electrode points of 6 rows 6 column on human body front surface, and distance 5cm between every 2 electrodes forms 5 × 5
(25) a grid area covers shirtfront surface, and each grid uses (m, n) (m < 6, n < 6) to indicate, as grid (3,2) indicate the 3rd
The grid that row the 2nd arranges；
Grid (1,1) is determined as first grid position to be measured by step S2, grid (1,3) be determined as second it is to be measured
Grid position；Similarly, every row is spaced 1 column from left to right, successively determines other grid positions to be measured.After every row selection,
Interlacing repeats aforesaid operations again, determines all grid positions to be measured；Such as Fig. 4 A；
Step S3, the rectangular cardioelectric monitor system of 4 electrodes are affixed on each selected grid position respectively, carry out signal acquisition；
Step S4, electrocardiosignal reach intelligent terminal, carry out processing and quality evaluation to signal；
Step S5, according to assessment result, selecting the preferable grid area of electrocardiosignal quality, (hatched box is selected
The preferable grid of electrocardio quality)；
Step S6 is distributed a 9 palace lattice around this grid, (such as including this grid and 8 adjacent grid areas
This grid of fruit is located at the edge of net region, and only choosing the several grid being located inside grid in this 9 palace lattice is area to be measured
Domain), such as Fig. 4 B；
Step S7, the rectangular cardioelectric monitor system of 4 electrodes are affixed on 9 grid positions respectively, carry out signal acquisition；
Step S8, electrocardiosignal reach intelligent terminal, carry out processing and quality evaluation to signal；
Step S9 determines optimal human body front list lead ECG signal sampling position.
In the present embodiment, the ECG's data compression includes 8 layers of wavelet transformation removal power frequency, myoelectricity noise and baseline drift
Deng interference；Smothing filtering removal shake, beautiful waveform.
In the present embodiment, the electrocardio quality evaluation index is the amplitude size of signal-to-noise ratio and QRS complex.
The above embodiments are only used to illustrate the present invention, rather than limitation of the present invention.Although referring to embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that, to technical solution of the present invention carry out it is various combination,
Modification or equivalent replacement should all cover and want in right of the invention without departure from the spirit and scope of technical solution of the present invention
It asks in range.
Claims (8)
1. a kind of method for selecting electrocardio measurement position, it is characterised in that: the described method comprises the following steps:
1) in the electrode points of human body front surface distribution M row M column, M > 4 forms the grid of (M-1) × (M-1), covers shirtfront table
Face, each grid use (m, n) to indicate, m < M, n < N；
2) every row is spaced 1 column from left to right, successively determines other grid positions to be measured, and after every row selection, then interlacing repeats
Aforesaid operations determine all grid positions to be measured；
3) the rectangular cardioelectric monitor unit of 4 electrodes is affixed on each selected grid position respectively, carries out signal acquisition, 4 electrode
In rectangular cardioelectric monitor unit, 4 electrodes form square, and the square is identical as grid size；
4) electrocardiosignal reaches intelligent terminal, carries out processing and quality evaluation to signal；
5) according to assessment result, select the top-quality grid area of electrocardiosignal for initial option position；
6) a 9 palace lattice are established around the corresponding grid in the initial option position；
7) the rectangular cardioelectric monitor unit of 4 electrodes is affixed on 9 grid positions respectively, carries out signal acquisition；
8) electrocardiosignal reaches intelligent terminal, carries out processing and quality evaluation to signal；
9) according to assessment result, the top-quality grid position of electrocardiosignal is selected to believe for optimal human body front list lead electrocardio
Number detection position.
2. a kind of method for selecting electrocardio measurement position as described in claim 1, it is characterised in that: in the step 6), such as
This grid of fruit is located at the edge of net region, and choosing the several grid being located inside grid in this 9 palace lattice is region to be measured.
3. a kind of method for selecting electrocardio measurement position as claimed in claim 1 or 2, it is characterised in that: in the step 2),
Grid (1,1) is determined as first grid position to be measured, grid (1,3) is determined as second grid position to be measured.
4. a kind of method for selecting electrocardio measurement position as claimed in claim 1 or 2, it is characterised in that: the electrocardio letter
Number processing use wavelet transformation, digital filtering or adaptive-filtering.
5. a kind of method for selecting electrocardio measurement position as claimed in claim 1 or 2, it is characterised in that: the quality is commented
Estimate amplitude size, the ecg wave form characteristic value that standard is signal-to-noise ratio and QRS complex, the ecg wave form characteristic value includes P wave amplitude
Degree, T wave amplitude and R -- R interval.
6. a kind of system that the method with selection electrocardio measurement position as described in claim 1 is realized, it is characterised in that: described
System includes the rectangular cardioelectric monitor unit of 4 electrodes, the system also includes:
For the electrode points in human body front surface distribution M row M column, (M > 4) forms the grid of (M-1) × (M-1), before covering
Chest surface, the gridding setup module that each grid uses (m, n) (m < M, n < M) to indicate；
It is spaced 1 column from left to right for every row, successively determines other grid positions to be measured, after every row selection, then interlacing weight
Multiple aforesaid operations, determine the grid chosen module of all grid positions to be measured；
It is affixed on each selected grid position respectively for the rectangular cardioelectric monitor unit of 4 electrodes, and the signal for acquiring signal is first
Acquisition module；
For carrying out processing and quality evaluation to signal, select the top-quality grid area of electrocardiosignal for initial option position
Rough location selecting module；
For establishing a 9 palace lattice, the rectangular cardioelectric monitor unit of 4 electrodes point around the corresponding grid in the initial option position
It is not affixed on 9 grid positions, carries out the signal of signal acquisition acquisition module again；
For carrying out processing and quality evaluation to signal, select the top-quality position of electrocardiosignal single for optimal human body front
The optimal location selecting module of lead ECG signal sampling position.
7. system as claimed in claim 6, it is characterised in that: the rectangular cardioelectric monitor unit of 4 electrode includes electrocardiogram acquisition
Module, analog front circuit module, embedded MCU module, wireless communication module, power module of voltage regulation and switch module.
8. system as claimed in claim 7, it is characterised in that: the electrocardiogram acquisition module includes 4 metal buttons and 4 hearts
Electrode, the metal button is integrated in PCB substrate and is used to cooperate with 4 electrocardioelectrodes, Nian Jie with human skin, for acquiring
The faint electrocardio of human body table is believed；The metal button and electrocardioelectrode cooperate, and every 2 electrodes constitute a list by difference channel
Lead electrocardio device, electrode spacing 5cm constitute a square region, while measuring single lead heart of 6 different directions and position
Electric signal.
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| CN201610867264.6A CN106264517B (en) | 2016-09-30 | 2016-09-30 | A kind of method and system selecting electrocardio measurement position |
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| CN201610867264.6A CN106264517B (en) | 2016-09-30 | 2016-09-30 | A kind of method and system selecting electrocardio measurement position |
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| CN106264517B true CN106264517B (en) | 2019-05-14 |
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| US11896404B2 (en) | 2019-12-31 | 2024-02-13 | Shanghai United Imaging Healthcare Co., Ltd. | Systems and methods for medical imaging of a heart and analysis of ECG target channel |
| CN112617854B (en) * | 2020-12-31 | 2023-09-22 | 上海联影医疗科技股份有限公司 | Electrocardiograph lead connection method and system |
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