CN104188652B - Electrocardiographic quality of data real-time control method and system thereof - Google Patents
Electrocardiographic quality of data real-time control method and system thereof Download PDFInfo
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Abstract
The present invention relates to a kind of Electrocardiographic quality of data real-time control method and system thereof, method comprises the steps: S1, gathers ECG signal；Detection criterion detection in S2, foundation ECG data Dealing the Quality Knowledge Database judges that each detection of ECG signal is the most abnormal and then judges that the quality of ECG signal is the most up to standard, if certain detection of ECG signal is abnormal, then judges ECG signal quality dissatisfaction and enter step S3；S3, stopping gather ECG signal, and the detection of prompting exception, this check item the possible cause of exception occur, and provide corresponding suggestion and measure, simultaneously audible alarm.The ECG data quality real-time control method that the present invention proposes is accurately, simply, efficiently, quickly, monitor with it system with the use of under, ecg signal acquiring function and ECG data Quality Control Function can be realized simultaneously, guarantee that monitored electrocardiosignal is all the useful signal of requisite quality, improve accuracy, effectiveness and the practicality of whole monitoring system.
Description
Technical field
The present invention relates to Information Quality Control field, the specifically real-time control of a kind of electrocardiogram (ECG) quality of data
Method processed and system thereof.
Background technology
Electrocardiogram (Electrocardiogram, ECG) measures time dependent myocardial electrical signals, is to judge that human body is good for
The important evidence of the diseases such as health situation and cardiovascular.Along with the development of Information & Communication Technology, cardioscribe monitoring device
Because having simple, the easy to carry and lower-price characteristic of use, have been widely used for the daily of people and remote health
Monitoring field.
On market, the ingredient of the cardioscribe monitoring system of main flow includes that ECG data collection, ECG data pass
Defeated, ECG data processes three modules.Wherein, data acquisition module gathers ECG letter by crosslinking electrode with direct body contact
Number, the ECG signal collected is passed to the mobile devices such as smart mobile phone by technology such as bluetooths by data transmission module, and data
The ECG data received then is processed, analyzes and diagnoses by processing module.
Existing cardioscribe monitoring system is mostly used for the routine health of individual or kinsfolk and follows the tracks of and pre-
Alert, the most often collect substantial amounts of invalid ECG data, its main cause is as follows:
1) user lacks relevant Professional knowledge and equipment uses technical ability, and equipment using method is lack of standardization the most just
Really；
2) in use, cause equipment working condition (such as lead electricity extremely owing to user is in mobile status
Pole and human contact come off), and user is discovered the most in time；
3) surrounding causes the interference noise that the ECG signal collected contains larger proportion.
ECG signal is invalid, and to be also called the quality of data of ECG signal the most up to standard, i.e. cannot be according to these ECG signal to use
The cardiac health of person makes the accurate and analysis of science and diagnosis.Substantial amounts of low quality data not only reduces whole monitoring system
Accuracy, effectiveness and the practicality of system, and the time and efforts of device resource and user is all caused bigger wave
Take.
Summary of the invention
Present invention is primarily targeted at, for above-mentioned deficiency of the prior art, it is provided that a kind of Electrocardiographic data matter
Amount real-time control method and system thereof.
The present invention solves prior art problem and be the technical scheme is that a kind of Electrocardiographic quality of data controls in real time
Method, comprises the steps:
S1, from acquisition target gather ECG signal；
Detection criterion detection in S2, foundation ECG data Dealing the Quality Knowledge Database judges each detection of ECG signal
Whether abnormal and then judge that the quality of ECG signal is the most up to standard, if certain detection exception of ECG signal, then judge ECG signal
Quality dissatisfaction also enters step S3, if all detections of ECG signal are all normal, then judges that EGC signal quality is up to standard；
S3, stopping gather ECG signal, and the detection of prompting exception, this check item the possible cause of exception occur, and provide
Corresponding suggestion and measure, audible alarm simultaneously.
Preferably, described detection includes:
Detection K1, whether exist and there is no ECG signal, to should detection criterion be: at given time range
In, if single leading can't detect ECG signal, then it is judged as that this detection K1 is abnormal；
Whether detection K2, ECG signal have serious disappearance, to should detection criterion be: in the given time
In the range of, if the single ECG signal disappearance ratio led exceedes threshold value, then it is judged as that this detection K2 is abnormal；
Detection K3, ECG signal are horizontal line the most in whole or in part, to should detection criterion be: one
In fixed time range, if the single ECG signal detected of leading is horizontal line (having allowed noise slightly), then it is judged as this
Detection K3 is abnormal；
Whether detection K4, ECG signal have bigger fluctuating margin, to should detection criterion be: certain
In time range, if the single fluctuating margin leading the ECG signal detected exceedes threshold value, then it is judged as this detection K4
Abnormal；
Whether detection K5, signal have serious noise jamming, to should detection criterion be: in the regular hour
In the range of, if the interference noise of the single ECG signal detected of leading is higher than threshold value, then it is judged as that this detection K5 is different
Often；
Detection K6, ECG signal are not the most the ECG signal of the mankind, to should detection criterion be: if by
The heart rate value that ECG signal is derived beyond the scope of human heart rate, is then judged as that this detection K6 is abnormal.
Preferably, described detection K1 occurs that abnormal possible cause is disappearance of leading, and described detection K2 occurs abnormal
Possible cause be that conducting wire disconnects or crosslinking electrode comes off, described detection K3 occurs that abnormal possible cause is crosslinking electrode
Bad with user extremity, described detection K4 occurs that abnormal possible cause is that crosslinking electrode comes off, conducting wire disconnects
Or serious baseline drift, described detection K5 occurs that abnormal possible cause is Hz noise, and described detection K6 occurs different
Normal possible cause is non-human acquisition target.
Preferably, when acquisition target is resting state:
Described step S1 particularly as follows:
Continuous acquisition ECG signal, every t second is as the unit time gathering ECG signal；
Described step S2 particularly as follows:
The ECG signal gathered in detecting previous unit time according to each detection in ECG data Dealing the Quality Knowledge Database
Quality is the most up to standard, if certain detection of ECG signal is abnormal, then judges ECG signal quality dissatisfaction and enters step S3, if
All detections of ECG signal are all normal, then judge that EGC signal quality is up to standard.
Preferably, when acquisition target is kinestate:
Described step S1 particularly as follows:
Being spaced a unit time and gather an ECG signal, each unit time is the t second；
Described step S2 specifically includes:
Whether S21, the judgement current time gathering ECG reach a unit time, if it is, enter step S22, no
Then continue to gather；
The ECG signal that each detection in S22, foundation ECG data Dealing the Quality Knowledge Database gathers in detecting this unit time
Quality is the most up to standard, if certain detection of ECG signal is abnormal, then judges ECG signal quality dissatisfaction and enters step S3, if
All detections of ECG signal are all normal, then judge that EGC signal quality is up to standard.
A kind of Electrocardiographic quality of data real-time control system, including ECG signal acquisition module, the first ECG data communication
Module, ECG data quality control module, ECG data management module, the second ECG data communication module and ECG data process mould
Block；
Wherein, described ECG signal acquisition module is for collection ECG signal from acquisition target, the first ECG data communication mould
Block sends to described ECG data quality control module for the ECG signal that will gather, and described ECG data quality control module is examined
Survey judges whether do not have ECG signal, ECG signal whether to lack seriously, ECG signal is level the most in whole or in part
Whether line, ECG signal have whether bigger fluctuating margin, ECG signal have serious noise jamming, ECG signal not to be the most people
The phenomenon of class ECG signal, if there is above-mentioned any one abnormal phenomena, then judges ECG signal quality dissatisfaction, if ECG signal
All detections all normal, then judge that EGC signal quality is up to standard；
Described ECG data manages module stores and manages described ECG signal, and described second ECG data communication module is used for
ECG signal and described ECG data quality control module are detected the result judged send to described ECG data processing module, institute
State ECG data processing module for result described in described ECG signal is analyzed process, obtain that above-mentioned abnormal possibility occurs
Reason.
Preferably, described ECG signal acquisition module includes being sequentially connected with sensor electrode, pre-amplification circuit, trap
Device, second amplifying circuit, Anti-aliasing Filter Circuits, A/D change-over circuit and microcontroller, described sensor electrode is used for gathering
ECG analogue signal, described pre-amplification circuit is for carrying out prime amplification to ECG analogue signal, and described wave trap is used for filtering
Unwanted signals in described ECG analogue signal, described second amplifying circuit is for carrying out secondary amplification to ECG analogue signal, described
Anti-aliasing Filter Circuits for carrying out anti-aliasing filtering process to described ECG analogue signal, and described A/D change-over circuit is for by institute
Stating ECG analogue signal and be converted into ECG digital signal, described microcontroller is for controlling the first ECG data communication module to described
ECG data quality control module sends ECG digital signal.
Preferably, described first ECG data communication module is bluetooth module, and described second ECG data communication module is
Any one in WIFI module, gsm module, 3G module and 4G module.
The invention has the beneficial effects as follows: the ECG data quality real-time control method that the present invention proposes is accurate, simple, high
Effect, quickly, monitor with it system with the use of under, it is possible to realize ecg signal acquiring function and ECG data matter simultaneously
Amount controls function, it is ensured that the electrocardiosignal monitored is all the useful signal of requisite quality, improves the standard of whole monitoring system
Really property, effectiveness and practicality.
Accompanying drawing explanation
Fig. 1 is the flow chart of embodiment of the present invention method；
Fig. 2 is the flow chart of detection detection in embodiment of the present invention method；
Fig. 3 is the flow chart of one embodiment of the invention method；
Fig. 4 is the flow chart of another embodiment of the present invention method；
Fig. 5 is the functional-block diagram of embodiment of the present invention system；
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Technical scheme is described in detail, in order to become apparent from, intuitively below with reference to drawings and the specific embodiments
Understand the invention essence of the present invention.
With reference to shown in Fig. 1, the invention provides a kind of Electrocardiographic quality of data real-time control method, including walking as follows
Rapid:
S1, from acquisition target gather ECG signal；
Detection criterion detection in S2, foundation ECG data Dealing the Quality Knowledge Database judges each detection of ECG signal
Whether abnormal and then judge that the quality of ECG signal is the most up to standard, if certain detection exception of ECG signal, then judge ECG signal
Quality dissatisfaction also enters step S3, if all detections of ECG signal are all normal, then judges that EGC signal quality is up to standard；
S3, stopping gather ECG signal, and the detection of prompting exception, this check item the possible cause of exception occur, and provide
Corresponding suggestion and measure, audible alarm simultaneously.
In one particular embodiment of the present invention, above-mentioned detection can include detection K1, detection K2, detection
K3, detection K4, detection K5, detection K6.
Concrete, detection K1: whether exist and do not have ECG signal, to should detection criterion be: when given
In the range of between, if single leading can't detect ECG signal, then it is judged as that this detection K1 is abnormal；To occurring by detection
Abnormal possible cause is disappearance of leading.
Whether detection K2:ECG signal has serious disappearance, to should detection criterion be: in the given time
In the range of, if the single ECG signal disappearance ratio led exceedes threshold value, then it is judged as that this detection K2 is abnormal；To should
Detection occurs that abnormal possible cause is that conducting wire disconnects or crosslinking electrode comes off.
Detection K3:ECG signal is horizontal line the most in whole or in part, to should detection criterion be: one
In fixed time range, if the single ECG signal detected of leading is horizontal line (having allowed noise slightly), then it is judged as this
Detection K3 is abnormal；To occurring that abnormal possible cause is that crosslinking electrode is bad with user extremity by detection.
Whether detection K4:ECG signal has bigger fluctuating margin, to should detection criterion be: certain
In time range, if the single fluctuating margin leading the ECG signal detected exceedes threshold value, then it is judged as this detection K4
Abnormal；To occurring that abnormal possible cause is that crosslinking electrode comes off, conducting wire disconnects or serious baseline drift by detection.
Whether detection K5: signal has serious noise jamming, to should detection criterion be: in the regular hour
In the range of, if the interference noise of the single ECG signal detected of leading is higher than threshold value, then it is judged as that this detection K5 is different
Often；To occurring that abnormal possible cause is Hz noise by detection K5.
Detection K6:ECG signal is not the most the ECG signal of the mankind, to should detection criterion be: if by
The heart rate value that ECG signal is derived beyond the scope of human heart rate, is then judged as that this detection K6 is abnormal.To should detection
K6 occurs that abnormal possible cause is non-human acquisition target.
With reference to shown in Fig. 2, in a preferred embodiment of the invention, above-mentioned detection K1 to detection K6 is the most successively
Detection, the most successively detection judge whether do not have ECG signal, ECG signal whether to lack seriously, ECG signal whether whole or
For horizontal line, ECG signal, whether person's part has whether bigger fluctuating margin, ECG signal have serious noise jamming, ECG letter
Number not the phenomenon of mankind's ECG signal, if there is above-mentioned any one abnormal phenomena, then judging that ECG signal quality does not reaches
Mark, if all detections of ECG signal are all normal, then judges that EGC signal quality is up to standard.Judging ECG signal quality dissatisfaction
Time, stopping collection ECG signal, there is abnormal possible cause in the detection of prompting exception, this check item, and offer is built accordingly
View measure, simultaneously audible alarm.
With reference to shown in Fig. 3, embodiments provide a kind of Electrocardiographic quality of data real-time control method, the method
The real-time control being applicable under acquisition target remains static.Specifically include step:
Step S101, continuous acquisition ECG signal, every t second as gather ECG signal a unit time, a reality
In example, t can be 10 seconds；
Each detection in step S102, foundation ECG data Dealing the Quality Knowledge Database detects previous unit time interior (front 10
Second) quality of ECG signal that gathers is the most up to standard, if certain detection of ECG signal is abnormal, then judges ECG signal quality not
Up to standard and enter step S3, if all detections of ECG signal are all normal, then judge that EGC signal quality is up to standard.Each detection
Concrete detection process is as described in above-mentioned Fig. 2, and therefore not to repeat here.
Step S103, stopping gather ECG signal, and the possible cause of exception occur in the detection of prompting exception, this check item,
And corresponding suggestion and measure, simultaneously audible alarm are provided.
With reference to shown in Fig. 4, embodiments provide a kind of Electrocardiographic quality of data real-time control method, the method
The real-time control being applicable under acquisition target is kept in motion.Specifically include step:
Step S201, one, interval unit time gather an ECG signal, and each unit time is the t second, at an example
In, t can be 10 seconds；
Whether step S202, the judgement current time gathering ECG reach a unit time, if it is, enter step
S203, otherwise continues to gather；
The ECG signal that each detection in S203, foundation ECG data Dealing the Quality Knowledge Database gathers in detecting this unit time
Quality is the most up to standard, if certain detection of ECG signal is abnormal, then judges ECG signal quality dissatisfaction and enters step S204,
If all detections of ECG signal are all normal, then judge that EGC signal quality is up to standard.The concrete detection process of each detection is as above
Stating described in Fig. 2, therefore not to repeat here.
Step S204, stopping gather ECG signal, and the possible cause of exception occur in the detection of prompting exception, this check item,
And corresponding suggestion and measure, simultaneously audible alarm are provided.
To sum up, the ECG data quality real-time control method that the present invention proposes accurately, simple, efficiently, quickly, with its
Monitoring system with the use of under, it is possible to realize ecg signal acquiring function and ECG data Quality Control Function, really simultaneously
Protect the useful signal that the electrocardiosignal that monitored is all requisite quality, improve the accuracy of whole monitoring system, effectiveness and
Practicality.
With reference to shown in Fig. 5, embodiments provide a kind of Electrocardiographic quality of data real-time control system, including
ECG signal acquisition module, the first ECG data communication module, ECG data quality control module, ECG data management module, second
ECG data communication module and ECG data processing module；
Wherein, ECG signal acquisition module is in system foremost, for gathering ECG signal from acquisition target.First
ECG data communication module is responsible for the data communication between ECG signal acquisition module and ECG data quality control module, general,
Collectively constituted by the bluetooth module being positioned in acquisition module and the bluetooth module being positioned in smart mobile phone, for the ECG that will gather
Signal sends to described ECG data quality control module.Described ECG data quality control module can be generally located at smart mobile phone
In, equipped with ECG data quality real-time control method, judge whether whether there is no ECG signal, ECG signal for detection
Disappearance is serious, whether ECG signal has bigger fluctuating margin, ECG signal for horizontal line, ECG signal the most in whole or in part
Whether having serious noise jamming, ECG signal is not the most the phenomenon of mankind's ECG signal, if it is abnormal to there is above-mentioned any one
Phenomenon, then judge ECG signal quality dissatisfaction, if all detections of ECG signal are all normal, then judges that EGC signal quality reaches
Mark.
ECG data management module is normally in smart mobile phone, based on SQLite data base management system, has ECG number
According to storing, inquire about, upload and the function such as ECG data form conversion, it is mainly used in storage and manages described ECG signal.2nd ECG
Data communication module is responsible for the data communication between ECG data management module and ECG data processing module, for by ECG signal
And the result that the detection of described ECG data quality control module judges sends to described ECG data processing module.ECG data processes
In module is normally at remote terminal (usually high-performance computer or work station), have advanced person, complicated ECG process,
Analyze and diagnostic function, be mainly used in result described in described ECG signal is analyzed processing, obtain occurring above-mentioned abnormal can
Energy reason etc..
In one particular embodiment of the present invention, ECG signal acquisition module includes being sequentially connected with sensor electrode, front
Put amplifying circuit, wave trap, second amplifying circuit, Anti-aliasing Filter Circuits, A/D change-over circuit and microcontroller, described sensing
Device electrode is used for gathering ECG analogue signal, and described pre-amplification circuit is for carrying out prime amplification to ECG analogue signal, described
Wave trap is used for filtering unwanted signals in described ECG analogue signal, and described second amplifying circuit is for carrying out ECG analogue signal
Secondary amplifies, and described Anti-aliasing Filter Circuits for carrying out anti-aliasing filtering process to described ECG analogue signal, and described A/D changes
Circuit is for being converted into ECG digital signal by described ECG analogue signal, and described microcontroller leads to for controlling the first ECG data
Letter module sends ECG digital signal to described ECG data quality control module.
It is understood that the first ECG data communication module is bluetooth module, described second ECG data communication module is
Any one in WIFI module, gsm module, 3G module and 4G module.
The ECG data quality real-time control system that the present invention proposes accurately, simply, efficiently, quickly, is being monitored with it
System with the use of under, it is possible to realize ecg signal acquiring function and ECG data Quality Control Function, it is ensured that institute simultaneously
The electrocardiosignal monitored is all the useful signal of requisite quality, improves accuracy, effectiveness and the practicality of whole monitoring system
Property.
The foregoing is only the preferred embodiments of the present invention, not thereby limit its scope of the claims, every utilize the present invention
Equivalent structure or equivalence flow process that description and accompanying drawing content are made convert, and are directly or indirectly used in other relevant technology necks
Territory, is the most in like manner included in the scope of patent protection of the present invention.
Claims (2)
1. an Electrocardiographic quality of data real-time control method, it is characterised in that comprise the steps:
S1, from acquisition target gather ECG signal；
S2, judge each detection of ECG signal according to the detection criterion detection in ECG data Dealing the Quality Knowledge Database whether
Abnormal and then judge that the quality of ECG signal is the most up to standard, if certain detection exception of ECG signal, then judge ECG signal quality
The most up to standard and enter step S3, if all detections of ECG signal are all normal, then judge that EGC signal quality is up to standard；
S3, stopping gather ECG signal, and the possible cause of exception occur in the detection of prompting exception, this detection, and provide corresponding
Suggestion and measure, audible alarm simultaneously；
Described detection includes:
Detection K1, whether exist and there is no ECG signal, to should detection criterion be: in given time range, as
The most single leading can't detect ECG signal, then be judged as that this detection K1 is abnormal；
Whether detection K2, ECG signal have serious disappearance, to should detection criterion be: at given time range
In, if the single ECG signal disappearance ratio led exceedes threshold value, then it is judged as that this detection K2 is abnormal；
Detection K3, ECG signal are horizontal line the most in whole or in part, to should detection criterion be: certain
In time range, if the single ECG signal detected of leading is horizontal line, then it is judged as that this detection K3 is abnormal；
Whether detection K4, ECG signal have bigger fluctuating margin, to should detection criterion be: in the regular hour
In the range of, if the single fluctuating margin leading the ECG signal detected exceedes threshold value, then it is judged as that this detection K4 is different
Often；
Whether detection K5, signal have serious noise jamming, to should detection criterion be: in regular hour scope
In, if the interference noise of the single ECG signal detected of leading is higher than threshold value, then it is judged as that this detection K5 is abnormal；
Detection K6, ECG signal are not the most the ECG signal of the mankind, to should detection criterion be: if believed by ECG
Number heart rate value derived beyond the scope of human heart rate, is then judged as that this detection K6 is abnormal；
Described detection K1 occurs that abnormal possible cause is disappearance of leading, and described detection K2 occurs that abnormal possible cause is
Conducting wire disconnects or crosslinking electrode comes off, and described detection K3 occurs that abnormal possible cause is crosslinking electrode and user limbs
Loose contact, described detection K4 occurs that abnormal possible cause is that crosslinking electrode comes off, conducting wire disconnects or serious baseline
Drift, described detection K5 occurs that abnormal possible cause is Hz noise, and abnormal possible cause occurs in described detection K6
For non-human acquisition target；
When acquisition target is resting state:
Described step S1 particularly as follows:
Continuous acquisition ECG signal, every t second is as the unit time gathering ECG signal；
Described step S2 particularly as follows:
The quality of the ECG signal gathered in detecting previous unit time according to each detection in ECG data Dealing the Quality Knowledge Database
The most up to standard, if certain detection of ECG signal is abnormal, then judges ECG signal quality dissatisfaction and enter step S3, if ECG
All detections of signal are all normal, then judge that EGC signal quality is up to standard；
When acquisition target is kinestate:
Described step S1 particularly as follows:
Being spaced a unit time and gather an ECG signal, each unit time is the t second；
Described step S2 specifically includes:
Whether S21, the judgement current time gathering ECG reach a unit time, if it is, enter step S22, otherwise continue
Continuous collection；
The quality of the ECG signal that each detection in S22, foundation ECG data Dealing the Quality Knowledge Database gathers in detecting this unit time
The most up to standard, if certain detection of ECG signal is abnormal, then judges ECG signal quality dissatisfaction and enter step S3, if ECG
All detections of signal are all normal, then judge that EGC signal quality is up to standard.
2. an Electrocardiographic quality of data real-time control system, it is characterised in that include ECG signal acquisition module, an ECG
Data communication module, ECG data quality control module, ECG data management module, the second ECG data communication module and ECG data
Processing module；
Wherein, described ECG signal acquisition module is for gathering ECG signal from acquisition target, and the first ECG data communication module is used
Sending to described ECG data quality control module in the ECG signal that will gather, the detection of described ECG data quality control module is sentenced
Disconnected whether exist do not have ECG signal, ECG signal whether to lack seriously, ECG signal is horizontal line, ECG the most in whole or in part
Whether signal has whether bigger fluctuating margin, ECG signal have serious noise jamming, ECG signal not to be the most mankind ECG letters
Number phenomenon, if there is above-mentioned any one abnormal phenomena, then judge ECG signal quality dissatisfaction, if all inspections of ECG signal
Survey item all normal, then judge that EGC signal quality is up to standard；
Described ECG data manages module stores and manages described ECG signal, and described second ECG data communication module is for by ECG
The result that signal and the detection of described ECG data quality control module judge sends to described ECG data processing module, described ECG
Data processing module, for result described in described ECG signal is analyzed process, obtains above-mentioned abnormal possible cause occur；
Sensor electrode that described ECG signal acquisition module includes being sequentially connected with, pre-amplification circuit, wave trap, two grades of amplifications
Circuit, Anti-aliasing Filter Circuits, A/D change-over circuit and microcontroller, described sensor electrode is used for gathering ECG analogue signal,
Described pre-amplification circuit for carrying out prime amplification to ECG analogue signal, and described wave trap is used for filtering described ECG simulation letter
Unwanted signals in number, described second amplifying circuit for carrying out secondary amplification, described Anti-aliasing Filter Circuits to ECG analogue signal
For described ECG analogue signal carries out anti-aliasing filtering process, described A/D change-over circuit is for turning described ECG analogue signal
Changing ECG digital signal into, described microcontroller is for controlling the first ECG data communication module to described ECG data quality control
Module sends ECG digital signal；
Described first ECG data communication module is bluetooth module, and described second ECG data communication module is WIFI module, GSM mould
Any one in block, 3G module and 4G module.
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| CN106108885B (en) * | 2016-06-14 | 2021-07-23 | 上海康情信息科技有限公司 | Method and instrument for evaluating body motion state and electrocardio interference |
| CN107582045A (en) * | 2017-09-06 | 2018-01-16 | 成都心吉康科技有限公司 | Electrocardiogram acquisition method, wearable device and its control method |
| CN109171807B (en) * | 2018-08-28 | 2021-09-28 | 深圳开立生物医疗科技股份有限公司 | Signal processing method and system of ultrasonic diagnostic equipment and ultrasonic diagnostic equipment |
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