WO2017069651A1 - Moniteur cardiaque « cardioqvark » - Google Patents

Moniteur cardiaque « cardioqvark » Download PDF

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Publication number
WO2017069651A1
WO2017069651A1 PCT/RU2015/000776 RU2015000776W WO2017069651A1 WO 2017069651 A1 WO2017069651 A1 WO 2017069651A1 RU 2015000776 W RU2015000776 W RU 2015000776W WO 2017069651 A1 WO2017069651 A1 WO 2017069651A1
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WO
WIPO (PCT)
Prior art keywords
sensors
mobile
cardiogram
differential amplifier
adc
Prior art date
Application number
PCT/RU2015/000776
Other languages
English (en)
Russian (ru)
Inventor
Александр Викторович Ежков
Владислав Хэнрыкович БУТКЕВИЧ
Владимир Александрович УСАНОВ
Original Assignee
Александр Викторович Ежков
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Александр Викторович Ежков filed Critical Александр Викторович Ежков
Publication of WO2017069651A1 publication Critical patent/WO2017069651A1/fr

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Classifications

    • 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]
    • A61B5/332—Portable devices specially adapted therefor

Definitions

  • the invention relates to the field of medicine, in particular to devices for obtaining a cardiogram, as well as to the field of accessories for mobile devices (mobile phones, smartphones, a personal digital assistant (communicator) with the functions of a mobile phone, IPhone, or any other device running on the Windows platform , Android or iOS), and is designed to take a cardiogram using devices that have a USB interface.
  • mobile devices mobile phones, smartphones, a personal digital assistant (communicator) with the functions of a mobile phone, IPhone, or any other device running on the Windows platform , Android or iOS
  • the prior art protective cover of a mobile communication terminal made with sensors for detecting biological signals on it, to allow the user to check his / her health.
  • the case is made of plastic, installed on a mobile communication terminal and includes a sensor for detecting biological signals and a terminal.
  • the connection terminal outputs a detected biological signal.
  • the sensors may be: a body temperature sensor, an electrocardiogram sensor, a body fat detection sensor, and a pulse detection sensor.
  • One or more sensors are installed on both sides and the upper and lower surfaces of the protective cover (KR 20080073571, 08/11/2008).
  • This device has a low bandwidth signal transmission, a large waste of energy on data transfer.
  • the case includes: (a) a memory unit, (b) a sensor unit on the surface of the case, (c) a set of sensors for measuring health parameters, built into the sensor unit for measuring raw health indicators of user data, (d) a processor that is activated from sleep mode based on user input, including contacting at least one sensor surface on the case for a predetermined period, and (e) a power supply unit for controlled supply of power to the sensors and the processor when user input is detected .
  • the processor initializes and adjusts the sensors, and receives health parameter data from the sensors.
  • the case further includes a unit communications for transmitting raw health metrics to the mobile device for processing.
  • Measuring sensors for health parameters include a temperature sensor, electrocardiograms (ECG), and a sensor. measuring the level of oxygen in the blood (US 2015254414, 09/10/2015).
  • the disadvantages of the above device is the inability to obtain data on the bioelectric activity of the heart with high reliability of the digitization of the signal, which does not allow to obtain reliable information about the cardiac activity, and also does not make it possible to observe the signal of the pacemaker directly on the screen of the mobile device, in addition, this device has a large expenditure of energy to transfer data.
  • the technical result achieved by the implementation of this utility model is to increase the accuracy of measurements, the reliability of the received information about cardiac activity and to provide the ability to observe the signal of the pacemaker directly on the screen of a mobile device, as well as to increase reliability and simplify the design and avoid unnecessary waste of energy for data transmission via broadcast.
  • a cardiogram device made in the form of a case-cover for mobile devices containing electric field sensors, each of which is connected to a differential amplifier and a potentiometer controlled by a controller connected to a cryptoprocessor, a power source, and an analog-to-digital converter ( ADC) and transmitting information via USB to a mobile device, while the ADC receives information from a differential amplifier.
  • ADC analog-to-digital converter
  • the sensor is a capacitive electric field sensor.
  • the housing-case has a back wall, end walls and side walls or part of the side walls.
  • the ADC processes the signals arriving at it through a differential amplifier from the sensors, and digitizes the signals for transmission to the controller.
  • the case-cover is made with a loop connection for direct connection to the processor of the mobile device through the connector of the mobile device. Case-cover is made with elements of shielding and simultaneous grounding of the human body in the process of signal collection.
  • Shielding elements are metallization of the printed circuit board, on the one hand, and metal screens of sensors, on the other hand.
  • Sensor screens are solid metal casings that minimize the influence of surrounding signals that create interference, and allow you to use the human body as virtual ground to obtain the correct cardiogram recording scheme.
  • Case-cover is made of plastic.
  • the sensors are configured to remove the electric field from the fingers of a person’s hands.
  • FIG. 1 shows a functional diagram of a device for obtaining a cardiogram.
  • a device for receiving a cardiogram - a CardioQVARK cardiograph is designed to take a cardiogram using mobile devices with a USB interface, and is an ADC module with two electric field sensors, enclosed in a plastic case-cover, namely in its back wall.
  • the cardiogram is removed using two sensors 1, 2 of the electric field.
  • the sensors of the device remove the electric field of a person from the fingers of his hands. From them, the signal is fed to a differential amplifier, and then for processing in the ADC (information from the sensors is processed in the ADC software. Next, the ADC interacts with the upper level software, which is an application for a mobile device, for example, a smartphone, etc.).
  • the digitized signal is fed to the controller.
  • a potentiometer controlled by the controller is required to minimize the errors of both sensors.
  • the crypto processor (cryptocontroller) provides legitimacy to work with Apple devices. From the controller, the information is transmitted via USB to a PC, iPhone or any other mobile device running on the platform of Windows, Android or iOS.
  • the power supply is controlled by the controller. Input voltage 2.5 V it converts to a voltage of 3.3 V to power digital circuits, and, in addition, when the cardiograph is turned on, it generates a voltage of ⁇ 3.3 V to power the analog part of the
  • Capacitive electric field sensors rather than electrodes or metal plates, allow you to not use contact electrodes and other conductors.
  • the design of the claimed device additionally includes elements of shielding and simultaneous grounding of the human body in the process of signal collection, which leads to a clinically reliable result in domestic conditions.
  • the screening of the cardiograph is carried out using metallization of the printed circuit board, on the one hand, and metal screens of the sensors, on the other hand.
  • Sensor screens are solid metal housings. They minimize the effects of surrounding interference signals. It is worth noting that the metal screens on the sensors allow you to use the human body as a virtual earth, i.e. The device implements the correct cardiogram removal scheme.
  • the received data is calculated and returned to the user (via the Internet, return to the program).
  • a result with data on cardiac activity such as heart rate, uneven heartbeat, and power of high and low frequency spectra, is displayed on the screen of the mobile device heart rate and so on.
  • Information is displayed in an accessible form in the form of heart rate graphs and 12 indicators of heart rate variability, in separate tabs of the program you can see the calculated data on disturbances in the normal rhythm due to extraordinary heart contractions, the ratio of inhibitory and exciting processes of regulation of the nervous system, the effect of hormonal regulation organism on the heart. It also assesses the effect of the nervous system on the heart, mobilization of internal resources, the body's ability to adapt to mental and physical stress.
  • a distinctive feature of this cardiograph is real-time online monitoring: information is sent to the server, and then after its processing directly to the attending physician. Thus, the doctor can monitor the patient’s condition, even while being at a distance, and provide expert advice remotely. This may be especially true for those patients who are at a considerable distance from medical facilities and sometimes do not have the opportunity to quickly receive medical advice in person.
  • contactless sensors are used in the cardiograph, due to which the cardiogram is removed in conditions that are comfortable for the patient, without the use of wires and clamps. To take a cardiogram with such an instrument, there is no need for special preparation of the patient. This makes it possible to significantly speed up and simplify the collection of results and the diagnosis of cardiovascular and a number of other diseases in order to prescribe a further course of treatment.
  • the technical effect of the claimed utility model is the transmission of data on the bioelectric activity of the heart through a connection via USB.
  • the use of such a connection provides a direct connection to the processor of the mobile device and can significantly increase the throughput (device bandwidth: 0.05 Hz - 10 kHz.)
  • the device allows you to capture the pulses of pacemakers, and is also the first case-cover for mobile devices with such functionality.
  • the use of a USB connection makes it possible to avoid unnecessary waste of energy transferring data over the air (direct addressing to the processor of a mobile device is less energy intensive) and to eliminate the need for a separate battery for powering the cardiograph. Low power consumption is achieved, including due to sleep mode.
  • the digitization of data with a high frequency can significantly increase the reliability of the received information about cardiac activity, and also makes it possible to observe the signal of the pacemaker directly on the screen of the mobile device.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Cardiology (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)

Abstract

Le modèle d'utilité concerne le domaine de la médecine et notamment des dispositifs pour obtenir un cardiogramme ainsi que des accessoires pour téléphones portables (téléphones mobiles, smartphones, ordinateur de poche personnel (communicateur) avec fonctions de téléphone mobile, iPhone ou tout autre dispositif tournant sur une plate-forme Windows, Android ou iOS), et vise une meilleure précision des mesures, une meilleure fiabilité des informations obtenues sur l'activité cardiaque et la possibilité d'observer un signal de stimulateur cardiaque directement à l'écran du dispositif mobile, ainsi qu'une meilleure fiabilité et une simplification de la conception, de même qu'une baisse de la consommation d'énergie pour transmettre des données par voie aérienne. Le résultat technique est réalisé sous la forme d'un dispositif permettant d'obtenir un cardiogramme réalisé comme un corps et un étui pour dispositifs mobiles qui comprend des capteurs de champ électrique dont chacun est relié à un amplificateur différentiel et un potentiomètre commandé par un contrôleur relié à une cryptoprocessur, une source d'alimentation, un convertisseur analogique-numérique (CAN) et transmettant les informations via une interface USB à un dispositif portable, le CAN recevant les informations en provenant de l'amplificateur différentiel.
PCT/RU2015/000776 2015-10-20 2015-11-13 Moniteur cardiaque « cardioqvark » WO2017069651A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2015144882 2015-10-20
RU2015144882 2015-10-20

Publications (1)

Publication Number Publication Date
WO2017069651A1 true WO2017069651A1 (fr) 2017-04-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108836303A (zh) * 2018-03-23 2018-11-20 南京大学 基于通用平台的心电采集系统及其采集方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2114557C1 (ru) * 1992-10-08 1998-07-10 Гусев Александр Геннадьевич Устройство для исследования свойств гладких мышц "миоцитограф"
RU126257U1 (ru) * 2012-09-03 2013-03-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский авиационный институт (национальный исследовательский университет)" Устройство для измерения скорости пульсовой волны
US20140214687A1 (en) * 2011-07-20 2014-07-31 Horatio Nelson Huxham Cryptographic expansion device and related protocols
US20150254414A1 (en) * 2014-03-06 2015-09-10 Azoi Inc Mobile device casing for health monitoring

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2114557C1 (ru) * 1992-10-08 1998-07-10 Гусев Александр Геннадьевич Устройство для исследования свойств гладких мышц "миоцитограф"
US20140214687A1 (en) * 2011-07-20 2014-07-31 Horatio Nelson Huxham Cryptographic expansion device and related protocols
RU126257U1 (ru) * 2012-09-03 2013-03-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский авиационный институт (национальный исследовательский университет)" Устройство для измерения скорости пульсовой волны
US20150254414A1 (en) * 2014-03-06 2015-09-10 Azoi Inc Mobile device casing for health monitoring

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108836303A (zh) * 2018-03-23 2018-11-20 南京大学 基于通用平台的心电采集系统及其采集方法

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