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WO2018129718A1 - Dispositif et procédé pour utilisation dans la détection de signaux électrocardiographiques - Google Patents

Dispositif et procédé pour utilisation dans la détection de signaux électrocardiographiques Download PDF

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Publication number
WO2018129718A1
WO2018129718A1 PCT/CN2017/071151 CN2017071151W WO2018129718A1 WO 2018129718 A1 WO2018129718 A1 WO 2018129718A1 CN 2017071151 W CN2017071151 W CN 2017071151W WO 2018129718 A1 WO2018129718 A1 WO 2018129718A1
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WIPO (PCT)
Prior art keywords
signal
ecg
electrocardiographic
analog
pass filter
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Ceased
Application number
PCT/CN2017/071151
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English (en)
Chinese (zh)
Inventor
李烨
李玮楠
王俊
张�浩
何青云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Institute of Advanced Technology of CAS
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Shenzhen Institute of Advanced Technology of CAS
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Priority to PCT/CN2017/071151 priority Critical patent/WO2018129718A1/fr
Publication of WO2018129718A1 publication Critical patent/WO2018129718A1/fr
Anticipated expiration legal-status Critical
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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
    • A61B5/25—Bioelectric electrodes therefor
    • 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
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/251—Means for maintaining electrode contact with the body
    • A61B5/256—Wearable electrodes, e.g. having straps or bands
    • 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
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
    • 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
    • A61B5/30—Input circuits therefor
    • 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
    • A61B5/30—Input circuits therefor
    • A61B5/307—Input circuits therefor specially adapted for particular uses
    • A61B5/308—Input circuits therefor specially adapted for particular uses for electrocardiography [ECG]
    • 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]
    • 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]
    • A61B5/33—Heart-related electrical modalities, e.g. electrocardiography [ECG] specially adapted for cooperation with other devices

Definitions

  • the invention relates to the field of medical electronic circuits, and mainly relates to an apparatus and method for detecting electrocardiogram signals.
  • the normal electrocardiogram includes P wave, QRS wave group and T wave. By analyzing each waveform, it can effectively diagnose major diseases such as myocardial infarction and arrhythmia, and greatly improve the survival rate of patients. According to medical evidence, early heart disease manifests as abnormal ECG signal. If it is found in time, it will help prevent cardiovascular disease and reduce mortality. Therefore, monitoring ECG signals becomes more important.
  • the existing dynamic movable electrocardiograph uses a wet electrode and a plurality of lead wire conduction detection methods, which are not only bulky, but also heavy in quality, and the connection method needs to place electrodes at specific positions of the human body, and the professionalism is extremely high, Adapt to the general population in the family alone.
  • the wet electrode can cause skin irritation and cause damage to the human body.
  • the long lead wire has a certain interference to the ECG signal.
  • the number of operational amplifiers for processing ECG signals is too large, causing the board to be too large, and the more the number of operational amplifier stages, the more likely the operating amplifiers are self-oscillated, introducing large noise.
  • Known wearable ECG testing devices are based on sensors in the chest area, such as straps, bandages, belts, etc., which are difficult to bring to the user with comfortable and convenient application requirements due to wearing on the chest.
  • Another method for wearable ECG detection equipment is shown in Figure 1.
  • the fingertips of the left and right hands of the human body collect ECG detection.
  • the implementation of the principle is based on the proportional relationship between the magnitude of the ECG signal and the distance between the electrodes. Inconvenient convenience. This requires the detection device to be small, convenient, and comfortable, which does not affect the normal life of the user, and can perform real-time monitoring for a long time.
  • the electrocardiographic signal detecting device is proposed.
  • a first aspect of the present invention provides an apparatus for detecting an electrocardiogram, the apparatus comprising:
  • An armband comprising a fabric electrode and a button connected to the fabric electrode, the fabric electrode for detecting an electrocardiographic signal
  • a filter amplifier connected to the armband through the button, configured to acquire the ECG signal, and amplify and filter the ECG signal to obtain an ECG analog signal;
  • a single chip connected to the filter amplifier, configured to acquire the ECG analog signal, and convert the ECG analog signal into an ECG digital signal through an analog to digital converter.
  • the filter amplifier includes: a first RC low-pass filter connected to the button, configured to acquire the ECG signal with a frequency lower than a first cutoff frequency a first high-pass filter amplifier connected to the first RC low-pass filter for acquiring the first signal having a frequency higher than a second cutoff frequency, and performing the acquired first signal Enlarging to obtain a second signal; a second high-pass filter amplifier connected to the first high-pass filter amplifier, configured to acquire the second signal having a frequency higher than a third cut-off frequency, and amplifying the acquired second signal Obtaining a third signal; a second RC low-pass filter connected to the second high-pass filter amplifier and having an output connected to the single chip, and configured to acquire the third signal having a frequency lower than a fourth cutoff frequency The ECG analog signal.
  • the single-chip computer further includes a storage unit, configured to perform storage and data analysis on the ECG digital signal.
  • the single-chip computer further includes a wireless transceiver, configured to send the ECG signal waveform to a mobile device that is wirelessly connected to the wireless transceiver.
  • the MCU further includes a USB interface, configured to send the ECG signal waveform to a host computer connected to the USB interface through a USB cable.
  • a second aspect of the present invention provides a method for detecting an electrocardiogram signal, including:
  • the ECG signal is detected by the fabric electrode of the armband;
  • the filter amplifier acquires the electrocardiographic signal, and the electrocardiographic signal is amplified and filtered to obtain an electrocardiogram Analog signal
  • the single-chip computer obtains the ECG analog signal, and converts the ECG analog signal into an ECG digital signal through an analog-to-digital converter.
  • the filtering amplifier amplifying and filtering the ECG signal to obtain an ECG analog signal further includes: the first RC low-pass filter acquires a frequency lower than the first cutoff The first electrical signal of the frequency is used as the first signal; the first high-pass filter amplifier acquires the first signal having a higher frequency than the second cutoff frequency, and amplifies the acquired first signal to obtain a second signal; The high-pass filter amplifier acquires the second signal having a frequency higher than the third cutoff frequency, and amplifies the acquired second signal to obtain a third signal; and the second RC low-pass filter obtains a frequency lower than the fourth cutoff frequency The third signal is used as the electrocardiographic analog signal.
  • the method further includes: the storage unit stores the ECG digital signal and data analysis.
  • the method further includes: sending, by the wireless transceiver, the waveform of the ECG signal to A mobile device that is wirelessly connected to the wireless transceiver.
  • the method further includes: sending, by the USB interface, the waveform of the ECG signal to The USB interface is connected to the host computer through a USB cable.
  • the electrocardiographic signal detecting device and method since the electrocardiographic signal is detected by the fabric electrode of the armband in close contact with the human body, the conventional wet electrode is not required to be bonded between the electrode and the human body, and the utilization rate is high;
  • the lead wires are connected directly through the buttons in the arm band, which reduces the cost and the signal interference caused by the lead wires, and is comfortable to wear;
  • the high-precision filter amplifier ensures the ECG signal acquisition. Accuracy.
  • the patient's electrocardiogram can be monitored dynamically for a long time, and the heart disease such as arrhythmia can be found in time and effectively, so that the patient can conveniently detect the ECG signal in real time and improve the convenience of operation. Sex and detection equipment accuracy.
  • FIG. 1 is a schematic diagram of a scene of a conventional smart bracelet ECG detecting device
  • FIG. 2 is a schematic diagram of a scenario of an ECG signal detecting device according to an embodiment of the present invention
  • FIG. 3 is a structural diagram of an ECG signal detecting apparatus according to an embodiment of the present invention.
  • FIG. 4 is a structural diagram of an armband according to an embodiment of the present invention.
  • FIG. 5 is a circuit diagram of a filter amplifier according to an embodiment of the present invention.
  • FIG. 6 is an experimental waveform diagram obtained by using an electrocardiographic signal detecting device according to an embodiment of the present invention.
  • FIG. 7 is a flowchart of a method for detecting an electrocardiogram according to an embodiment of the present invention.
  • an electrocardiogram is proposed.
  • Signal detection equipment As shown in FIG. 2, the ECG signal detecting device is worn on the upper limb of the user by using an armband, and does not need to be measured by two hands like a conventional electrocardiographic collecting device, and only needs to be tied to a single arm to realize ECG signal detection, and is comfortable to wear. Convenience.
  • an ECG signal detecting apparatus includes: an armband 102, and the The armband 102 is connected through a filter amplifier 104 connected by a button 1024 and a single chip microcomputer 106 connected to the filter amplifier 104, wherein:
  • the armband 102 includes a fabric electrode 1022 and a button 1024 coupled to the fabric electrode 1022 for detecting an electrocardiographic signal.
  • Fabric electrode is a kind of flexible dry electrode which has developed rapidly in recent years. It is a sensor with textile structure developed by textile processing technology and capable of sensing bioelectrical signals on human body surface.
  • the fabric electrode 1022 is used in the armband 102 for health monitoring, and the comfort of the garment is not affected, and the user does not have the psychological burden of being monitored, which solves the skin allergy caused by the dry electrode in the conventional technology and does not wear. Comfortable and other problems, even the electrode sheet caused by sweat soaking, affecting the accuracy of ECG measurement.
  • the fabric electrode 1022 is in contact with human skin as the foremost input to the ECG signal.
  • the arm band 102 is divided into the inner side of the arm band and the outer side of the arm band, and includes a fabric electrode 1022, a button 1024, a velcro 1026, and a sponge 1028.
  • the elasticity of the arm band 102 is adjusted by the inner side of the arm band and the velcro 1026 at the outer ends of the arm band, the position of the arm band 102 is fixed, and the wearing comfort is improved.
  • the sponge 1028 is placed on the bottom layer of the button 1024 to avoid the problem of wearing discomfort caused by the button 1024 protrusion.
  • the fabric electrode 1022 is in contact with human skin and is connected to the two buttons 1024 on the outside of the arm band on the inner side of the arm band as the foremost input of the electrocardiographic signal.
  • the arm band 102 is attached to the upper limb of the human body through the Velcro 1026, and the fabric electrode 1022 only needs to be associated with the button 1024 on the arm band 102. Connect, you can collect ECG signals.
  • there is no wire connection in the whole ECG signal detecting device which is beneficial to equipment disassembly and people wearing, and effectively avoids the introduction of noise from the wire into the system.
  • the filter amplifier 104 is configured to acquire the ECG signal, and amplify and filter the ECG signal to obtain an ECG analog signal.
  • the output of the armband 102 transmits the ECG signal detected by the fabric electrode 1022 to the filter amplifier 104 via the button 1024. That is, the signal received at the input of the filter amplifier 104 is the ECG signal detected by the fabric electrode 1022 described above.
  • the unilateral arm has a small ECG amplitude and is susceptible to noise interference (electrodes, muscle movement).
  • Table 1 shows the one-arm Comparison of features between detecting ECG signals and detecting ECG signals by conventional methods.
  • the amplitude of the ECG signal obtained by the single-arm ECG detection is small, and the noise interference is large, and the ECG signal detected by the fabric electrode 1022 necessarily has noise interference and a weak signal.
  • the circuit includes: a first RC low-pass filter 1042 connected to the button at the input end, and a first high-pass connected to the first RC low-pass filter 1042 at the input end. a filter amplifier 1044, a second high-pass filter amplifier 1046 whose input terminal is connected to the first high-pass filter amplifier 1044, a second RC low-pass connected to the input terminal and the low-pass filter amplifier 1046, and an output terminal connected to the single-chip microcomputer 106.
  • a filter 1048 and a power supply module 1045 that provides power to the first high pass filter amplifier 1044 and the second high pass filter amplifier 1046, wherein:
  • the first RC low pass filter 1042 is configured to obtain the ECG signal whose frequency is lower than the first cutoff frequency as the first signal.
  • the first RC low pass filter 1042 includes limb leads LA and RA, resistors R1 and R2, and capacitors C1 and C2.
  • the input end of the resistor R1 is connected to the limb lead LA, the output terminal is connected in parallel with the capacitor C1 and the anode of the instrumentation amplifier, the input end of the resistor R2 is connected to the limb lead RA, the output terminal is connected in parallel with the capacitor C2 and the cathode of the instrumentation amplifier, and the ends of the capacitors C1 and C2 are grounded.
  • the placement of the electrode on the body surface and the connection of the electrode to the amplifier when the electrocardiogram is recorded are referred to as the lead of the electrocardiogram.
  • the lead of the electrocardiogram At present, six limb leads and six chest leads are widely used internationally, and the placements of limbs LA and RA are left and right arms, respectively.
  • the invention adopts a single channel input mode, that is, the arm band 102 is worn on the left arm or the right arm, which improves the convenience of operation.
  • the input signal passes through a first RC low pass filter 1042 consisting of resistors R1 and R2, capacitors C1 and C2, and has a filtered cutoff frequency of approximately 796 Hz. That is, the ECG signal detected by the fabric electrode 1022 is transmitted through the button 1024 as an input signal of the first RC low-pass filter 1042, and the frequency is low.
  • the ECG signal at 796 Hz is the first signal.
  • the first high pass filter amplifier 1044 is configured to acquire the first signal having a frequency higher than a second cutoff frequency, and amplify the acquired first signal to obtain a second signal.
  • the first high pass filter amplifier 1044 includes an instrumentation amplifier of the AD8232 chip type, resistor R3, capacitors C3 and C4.
  • the ECG signal filtered by the first RC low pass filter 1042 that is, the first signal.
  • Inputting the first signal to the instrumentation amplifier filters out the low frequency signal and amplifies the gain of the weak ECG signal by a factor of 100.
  • Resistor R3, capacitors C3 and C4 form a two-pole high-pass filter with a cutoff frequency of 0.5 Hz.
  • Resistor R3 and capacitor C3 form an RC network that feeds any near-DC signal back to the instrumentation amplifier, eliminating offsets without saturating any nodes and maintaining high signal gain.
  • the first signal is used as the input signal of the first high-pass filter amplifier 1044, and after the gain of the first signal is amplified by 100 times, the first signal having a frequency higher than 0.5 Hz is obtained as the second signal, and the second signal is The frequency range is from 0.5 Hz to 796 Hz.
  • the second high pass filter amplifier 1046 is configured to acquire the second signal having a higher frequency than the third cutoff frequency, and amplify the acquired second signal to obtain a third signal.
  • the second high pass filter amplifier 1046 includes an operational amplifier A1 on the chip, resistors R4, R5, R6 and R7 and capacitors C5 and C6.
  • the second signal enters the operational amplifier through capacitor C4 in the first high pass filter amplifier 1046, and resistors R6 and R7 determine the gain of the gain to be 101 times.
  • the resistors R4 and R5 and the capacitors C5 and C6 form a two-pole high-pass filter with a cutoff frequency of 35 Hz.
  • the Q value determined by the resistors R4, R5, R6, and R7 and the capacitors C5 and C6 is 0.68, which maximizes the filter. Degree and sharpening cutoff frequency, effectively avoiding signal distortion caused by filter self-excitation.
  • the Q value is used to describe the quality of the loop.
  • the higher the Q value the smaller the loss and the higher the efficiency. That is, the second signal is used as the input signal of the second high-pass filter amplifier 1046, and after the gain of the second signal is amplified by 101 times, the second signal having a frequency higher than 35 Hz is obtained as the third signal, and the frequency of the second signal at this time.
  • the range is 35 Hz to 796 Hz.
  • the second RC low pass filter 1048 is configured to acquire the third signal having a frequency lower than the fourth cutoff frequency as the electrocardiographic analog signal.
  • the second RC low pass filter 1048 includes a resistor R8 and a capacitor C7 in series with the resistor R8. Capacitance Both ends of C7 are connected to signal output terminal ECG_OUT and ground. Resistor R8 and capacitor C7 form the RC low-pass filter at the output with a cutoff frequency of 159 Hz.
  • the gain of the entire amplifying circuit is about 10000 times, and the amplified and filtered third signal finally enters the single chip 106 through ECG_OUT. That is, the third signal is used as an input signal of the second RC low-pass filter 1048, and the gain of the third signal is amplified by nearly 10,000 times, and then the third signal having a frequency lower than 159 Hz is obtained as an electrocardiogram analog signal.
  • the frequency range of the electrical analog signal is 35 Hz to 159 Hz.
  • the power module 1045 includes a +2.5V DC power supply and two decoupling capacitors C8 and C9.
  • the C8 and C9 terminals are connected together with a +2.5V power supply and a pin 17 and the other end is grounded.
  • decoupling capacitors are also called decoupling capacitors, and the interference of the output signal is used as a filtering object.
  • Decoupling capacitors C8 and C9 eliminate self-excitation for the first high-pass filter amplifier 1044 and the second high-pass filter amplifier 1046, satisfying the change of the drive circuit current, avoiding mutual coupling interference, and making the first high-pass filter amplifier 1044 and the second high-pass filter.
  • Amplifier 1046 operates steadily.
  • the filter amplifier 104 determines the acquisition quality of the ECG signal and the system performance of the ECG signal detection device. After the filter amplifier 104 effectively solves the technical problem of weak ECG signal and interference noise on the arm, the single channel input mode is adopted, the lead is simple, the circuit integration is high, the operation is convenient, and the ECG signal on the arm can be accurately extracted.
  • the single chip microcomputer 106 is configured to acquire the ECG analog signal, and convert the ECG analog signal into an ECG digital signal through an analog to digital converter 1062.
  • Signal data can be used to represent any information, such as symbols, text, speech, images, etc., which can be attributed to two types: analog signals and digital signals.
  • the difference between the analog signal and the digital signal can be determined based on whether the amplitude value is discrete.
  • the process of converting analog quantities into digital quantities is called analog-to-digital conversion, referred to as A/D (Analog to Digital) conversion; the circuit that completes the analog-to-digital conversion is called analog-to-digital converter, or ADC (Analog to Digital Converter).
  • A/D Analog to Digital
  • ADC Analog to Digital Converter
  • the electrocardiographic analog signal is converted into an electrocardiographic digital signal by an analog to digital converter 1062, and the electrocardiographic data waveform and the data analysis report can be generated based on the data of the electrocardiographic digital signal.
  • the AD converter in order to ensure the accuracy of the data processing results, the AD converter must have sufficient conversion accuracy. At the same time, in order to meet the needs of fast process control and detection, the AD converter must also have a fast enough conversion speed.
  • the analog to digital converter 1062 performs analog to digital conversion of the electrocardiographic analog signal transmitted by the filter amplifier 104 to The electrocardiographic digital signal is sent to the display device 108.
  • the display device 108 includes a mobile device 1082 that is wirelessly connected to the wireless transceiver 1066 and a host computer 1084 that is connected to the USB interface 1068 via a USB cable.
  • the ECG digital signal can be sent to the mobile device 1082 for monitoring and analysis in real time through the wireless transceiver 1066, and can also communicate with the host computer 1084 via the USB interface 1068 and upload data, and can also be collected by the built-in storage unit 1064 of the single chip microcomputer 106.
  • the ECG digital signal performs ECG waveform storage and data analysis, is written into the SD card for storage, and sends the stored ECG waveform and data analysis after receiving the upload ECG data command sent by the display device 108.
  • the mobile device 1082 can be a mobile terminal that is paired with the microcontroller 106, or can be a dedicated device for other portable ECG detection instruments with a display. Since most people have mobile terminals and are convenient to use, no wired connection is required, and the ECG signal waveform and data analysis report can be sent to the family, friends or doctors via the network, and the preferred mobile device 1082 is the mobile terminal.
  • the device further includes a power module 105 for providing power to the filter amplifier 104 and the microcontroller 106.
  • a scene diagram of a single-arm detecting ECG signal is displayed.
  • the user wears the ECG signal detecting device on the upper limb of the human body through the arm band 102.
  • the current display device 108 is a mobile device 1082, and the mobile device 1082 is displayed on the mobile device 1082.
  • the data waveform of the user's ECG signal is displayed.
  • Both the microcontroller 106 and the filter amplifier 104 require a power module to provide power to the filter amplifier and the microcontroller.
  • the model number of the single chip is CC2540.
  • the CC2540 is a true system single-chip solution that provides a low-power Bluetooth solution for sensor applications and mobile handset peripherals.
  • other types of single-chip microcomputers can also be used.
  • an electrocardiogram is proposed. Signal detection method.
  • the foregoing method for detecting an electrocardiogram includes:
  • Step S102 After the armband is tied to the human limb, the heart is detected by the fabric electrode of the armband electric signal.
  • Step S104 The filter amplifier acquires the ECG signal, and the ECG signal is amplified and filtered to obtain an ECG analog signal.
  • Step S106 The single-chip microcomputer acquires the ECG analog signal, and converts the ECG analog signal into an ECG digital signal through an analog-to-digital converter.
  • the filtering amplifier amplifying and filtering the electrocardiographic signal to obtain an electrocardiographic analog signal further includes: the first RC low-pass filter acquiring the electrocardiographic signal having a frequency lower than the first cutoff frequency As a first signal, the first high-pass filter amplifier acquires the first signal having a frequency higher than the second cutoff frequency, and amplifies the acquired first signal to obtain a second signal; the second high-pass filter amplifier acquires a frequency higher than The second signal of the third cutoff frequency, and the obtained second signal is amplified to obtain a third signal; and the second RC low pass filter obtains the third signal having a frequency lower than the fourth cutoff frequency as a The ECG analog signal is described.
  • the method further includes: the storage unit storing and analyzing the ECG digital signal.
  • the method further includes: transmitting, by the wireless transceiver, the ECG signal waveform to the wireless transceiver Wireless connected mobile device.
  • the method further includes: sending, by the USB interface, the ECG signal waveform to the USB interface through the USB cable Connected to the host computer.
  • the electrocardiographic signal detecting device and method since the electrocardiographic signal is detected by the fabric electrode of the armband in close contact with the human body, the conventional wet electrode is not required to be bonded between the electrode and the human body, and the utilization rate is high;
  • the lead wires are connected directly through the buttons in the arm band, which reduces the cost and the signal interference caused by the lead wires, and is comfortable to wear;
  • the high-precision filter amplifier ensures the ECG signal acquisition. Accuracy. Under the premise of not disturbing the normal life of the user, long-term dynamic monitoring of the patient's electrocardiogram can timely and effectively detect major heart diseases such as arrhythmia.
  • the patient can conveniently detect the ECG signal in real time, improve the convenience of operation and the accuracy of the detection device.

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Abstract

La présente invention concerne un dispositif (10) et un procédé pour utilisation dans la détection de signaux électrocardiographiques, le dispositif comprenant : un brassard (102), le brassard comprenant une électrode en tissu (1022) et un bouton (1024), qui est connecté à l'électrode en tissu (1022), l'électrode en tissu (1022) étant utilisée pour détecter un signal électrocardiographique ; un amplificateur de filtre (104), qui est connecté au brassard (102) au moyen du bouton (1024) et qui est utilisé pour obtenir le signal électrocardiographique, et amplifier et filtrer le signal électrocardiographique pour obtenir un signal analogique électrocardiographique ; et un micro-ordinateur monopuce (106), qui est connecté à l'amplificateur de filtre (104) et qui est utilisé pour obtenir le signal analogique électrocardiographique, et convertir le signal analogique électrocardiographique en signal numérique électrocardiographique au moyen d'un convertisseur analogique-numérique (1062). L'utilisation desdits dispositif (10) et procédé de détection de signaux électrocardiographiques peut améliorer la commodité de fonctionnement et la précision du dispositif de détection.
PCT/CN2017/071151 2017-01-13 2017-01-13 Dispositif et procédé pour utilisation dans la détection de signaux électrocardiographiques Ceased WO2018129718A1 (fr)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110742601A (zh) * 2019-11-18 2020-02-04 常州晓风电子科技有限公司 一种高精度便携式心电仪及其工作方法
US20210345932A1 (en) * 2018-11-05 2021-11-11 Helpwear Inc. Single arm ecg monitor
CN115349864A (zh) * 2022-10-19 2022-11-18 之江实验室 一种可穿戴式心电图无线采集方法及装置
US11540762B2 (en) 2014-10-30 2023-01-03 West Affum Holdings Dac Wearable cardioverter defibrtillator with improved ECG electrodes
CN115990021A (zh) * 2021-10-19 2023-04-21 南京大学 心电检测装置及系统
US11745006B2 (en) 2014-10-30 2023-09-05 West Affum Holdings Dac Wearable cardiac defibrillation system with electrode assemblies having pillow structure

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6577897B1 (en) * 1998-06-17 2003-06-10 Nimeda Ltd. Non-invasive monitoring of physiological parameters
CN102166119A (zh) * 2011-03-29 2011-08-31 东北大学 一种单臂式心电辅助跌倒检测仪
CN102858236A (zh) * 2010-01-08 2013-01-02 达腾科技有限公司 生理信号采集设备和结合了该设备的能力监测设备
CN204232467U (zh) * 2014-09-26 2015-04-01 北京中核华辉科技发展有限公司 一种具有心电采集功能的运动手机臂带
CN104688202A (zh) * 2013-12-09 2015-06-10 三星电子株式会社 模块化传感器平台
CN104797188A (zh) * 2012-08-28 2015-07-22 大型电子有限公司 用于测量生物信号的控制模块和装置
CN106413526A (zh) * 2014-05-22 2017-02-15 三星电子株式会社 心电图表扣

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6577897B1 (en) * 1998-06-17 2003-06-10 Nimeda Ltd. Non-invasive monitoring of physiological parameters
CN102858236A (zh) * 2010-01-08 2013-01-02 达腾科技有限公司 生理信号采集设备和结合了该设备的能力监测设备
CN102166119A (zh) * 2011-03-29 2011-08-31 东北大学 一种单臂式心电辅助跌倒检测仪
CN104797188A (zh) * 2012-08-28 2015-07-22 大型电子有限公司 用于测量生物信号的控制模块和装置
CN104688202A (zh) * 2013-12-09 2015-06-10 三星电子株式会社 模块化传感器平台
CN106413526A (zh) * 2014-05-22 2017-02-15 三星电子株式会社 心电图表扣
CN204232467U (zh) * 2014-09-26 2015-04-01 北京中核华辉科技发展有限公司 一种具有心电采集功能的运动手机臂带

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11540762B2 (en) 2014-10-30 2023-01-03 West Affum Holdings Dac Wearable cardioverter defibrtillator with improved ECG electrodes
US11745006B2 (en) 2014-10-30 2023-09-05 West Affum Holdings Dac Wearable cardiac defibrillation system with electrode assemblies having pillow structure
US20210345932A1 (en) * 2018-11-05 2021-11-11 Helpwear Inc. Single arm ecg monitor
CN110742601A (zh) * 2019-11-18 2020-02-04 常州晓风电子科技有限公司 一种高精度便携式心电仪及其工作方法
CN115990021A (zh) * 2021-10-19 2023-04-21 南京大学 心电检测装置及系统
CN115349864A (zh) * 2022-10-19 2022-11-18 之江实验室 一种可穿戴式心电图无线采集方法及装置
CN115349864B (zh) * 2022-10-19 2023-01-24 之江实验室 一种可穿戴式心电图无线采集方法及装置

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