WO2021199824A1 - 心電測定装置 - Google Patents

心電測定装置 Download PDF

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Publication number
WO2021199824A1
WO2021199824A1 PCT/JP2021/007616 JP2021007616W WO2021199824A1 WO 2021199824 A1 WO2021199824 A1 WO 2021199824A1 JP 2021007616 W JP2021007616 W JP 2021007616W WO 2021199824 A1 WO2021199824 A1 WO 2021199824A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrocardiographic
electrodes
measuring device
upper arm
main body
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2021/007616
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
晃人 伊藤
麗二 藤田
康大 川端
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.)
Omron Healthcare Co Ltd
Original Assignee
Omron Healthcare Co Ltd
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 Omron Healthcare Co Ltd filed Critical Omron Healthcare Co Ltd
Priority to CN202180017536.2A priority Critical patent/CN115209805B/zh
Priority to DE112021000555.3T priority patent/DE112021000555T5/de
Publication of WO2021199824A1 publication Critical patent/WO2021199824A1/ja
Priority to US17/934,905 priority patent/US20230012971A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • A61B5/25—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]
    • A61B5/282—Holders for multiple electrodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/683—Means for maintaining contact with the body
    • A61B5/6831—Straps, bands or harnesses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/02108—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics
    • A61B5/02125—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics of pulse wave propagation time
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/024—Measuring pulse rate or heart rate
    • A61B5/02444—Details of sensor
    • 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
    • A61B5/316—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
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6824—Arm or wrist
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0209—Special features of electrodes classified in A61B5/24, A61B5/25, A61B5/283, A61B5/291, A61B5/296, A61B5/053
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/04—Arrangements of multiple sensors of the same type
    • A61B2562/043—Arrangements of multiple sensors of the same type in a linear array
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6823—Trunk, e.g., chest, back, abdomen, hip
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6828—Leg

Definitions

  • the present invention relates to an electrocardiographic measuring device used for measuring a biological signal according to an electric potential on the surface of a living body caused by the movement of the heart.
  • an electrocardiographic measuring device that detects an electrocardiographic signal which is a potential generated on the surface of a living body caused by the movement of the heart and generates an electrocardiogram waveform of a person to be measured.
  • an electrocardiographic measuring device a heart rate measuring device using a belt having a belt main body wrapped around the chest of a person to be measured and a plurality of electrodes fixed in the longitudinal direction on the inner surface of the belt main body is known.
  • the heart rate measuring device is made circular, the elastic strap and the non-elastic belt on which the electrodes are arranged are connected in the circumferential direction of the band by using metal fittings.
  • the electrocardiographic signal detection in the chest a large potential difference can be obtained by arranging the electrodes across the heart, so that the electrode spacing in the non-stretchable belt may be relatively short. Therefore, the elastic portion can be provided relatively long, and the length of the strap can be easily adjusted.
  • the above-mentioned electrocardiographic measuring device may be attached to various limbs (upper limbs or lower limbs) of the subject using a band. At that time, it may be troublesome to adjust the length of the band before mounting. Further, if the number of electrodes arranged in the band is increased or the area of each electrode is increased in order to detect a smaller potential difference, it may be difficult to incorporate a portion having elasticity in the circumferential direction of the band. .. In this case, after the bio-mounted device is attached to the user by the band, the length of the band does not follow the increase in the diameter (perimeter) of the part where the bio-mounted device is attached, which may cause discomfort to the user. There is.
  • an object of the present invention is to provide an electrocardiographic measuring device capable of suppressing causing discomfort at the time of wearing to various subjects.
  • a plurality of electrodes whose length along the circumferential direction of the living body is variable according to the length in the circumferential direction of the living body and which detects an electric potential from the living body in contact with the living body, and the plurality of electrodes.
  • an electrocardiographic measuring device including an apparatus main body that generates electrocardiographic information based on the potential detected in the above.
  • the living body is, for example, an upper arm, a wrist, a chest, a leg, or the like.
  • the electrocardiographic measuring device can be attached to various subjects, and the electrocardiographic measuring device cannot be attached to various subjects. It is possible to suppress the generation of pleasure.
  • the electrocardiographic measuring device in which the plurality of electrodes expand and contract to have a variable length along the circumferential direction of the living body.
  • the plurality of electrodes can be formed in a coil shape or a bellows shape, for example.
  • the plurality of electrodes can be configured to movably connect the plurality of members.
  • a plurality of electrodes can be configured by a link mechanism.
  • the electrocardiographic measuring device has a variable length along the circumferential direction of the living body because the length of the plurality of electrodes protruding from the reference position is variable. Provided.
  • a plurality of electrodes are not provided with a configuration in which the length is variable.
  • the configuration of the electrode can be simplified.
  • each of the plurality of electrodes is connected to an insulator, the device main body, or a sub device main body to form an annular shape, and the sub device main body is connected to the electrode.
  • An electrocardiographic measuring device is provided that generates electrocardiographic information based on the potential of.
  • the electrocardiographic measuring device is configured in an annular shape, so that the electrocardiographic measuring device can be easily attached to the living body. Further, when the sub-device main body is used, the function of generating electrocardiographic information by a plurality of electrodes can be divided into the device main body and the sub-device main body. Therefore, it is possible to prevent the device main body and the sub device main body from becoming large.
  • the plurality of electrodes and the insulator or the potential measuring unit to which each of the plurality of electrodes is connected fixes the device main body to the living body for electrocardiographic measurement.
  • Equipment is provided.
  • the electrocardiographic measuring device is provided in which the outer peripheral surface side of the electrode is formed of an insulating portion.
  • the present invention can provide an electrocardiographic measuring device that can be worn by various subjects.
  • FIG. 1 is an explanatory view showing a state in which the electrocardiographic measuring device according to the first embodiment of the present invention is attached to the upper arm of a person to be measured.
  • FIG. 2 is a block diagram showing a configuration of a concentric electrocardiographic measuring device.
  • FIG. 3 is a perspective view showing the configuration of the concentric electrocardiographic measuring device.
  • FIG. 4 is an explanatory view showing a state in which the concentric electrocardiographic measuring device is attached to the upper arm.
  • FIG. 5 is a plan view showing a state in which the concentric electrocardiographic measuring device is attached to the upper arm.
  • FIG. 6 is an explanatory diagram showing a configuration of a main part of a modified example of the concentric electrocardiographic measuring device.
  • FIG. 1 is an explanatory view showing a state in which the electrocardiographic measuring device according to the first embodiment of the present invention is attached to the upper arm of a person to be measured.
  • FIG. 2 is a block diagram showing a configuration of a con
  • FIG. 7 is an explanatory diagram showing the configuration of the main part.
  • FIG. 8 is an explanatory diagram showing a configuration of a main part of a modified example of the concentric electrocardiographic measuring device.
  • FIG. 9 is an explanatory diagram showing the configuration of the main part.
  • FIG. 10 is an explanatory diagram showing a configuration of a main part of a modified example of the concentric electrocardiographic measuring device.
  • FIG. 11 is an explanatory diagram showing the configuration of the main part.
  • FIG. 12 is an explanatory diagram showing a configuration of an electrocardiographic measuring device according to a second embodiment of the present invention.
  • FIG. 13 is an explanatory diagram showing a configuration of an electrocardiographic measuring device according to a third embodiment of the present invention.
  • FIG. 14 is an explanatory diagram showing a configuration of an electrocardiographic measuring device according to a fourth embodiment.
  • FIG. 15 is an explanatory diagram showing a configuration of an electrocardiographic measuring device according to another embodiment.
  • FIG. 16 is an explanatory diagram showing a configuration of an electrocardiographic measuring device according to another embodiment.
  • FIG. 17 is an explanatory diagram showing a configuration of a main part of the concentric electrocardiographic measuring device.
  • FIG. 18 is an explanatory view showing a state in which the electrocardiographic measuring device according to another embodiment is attached to the upper arm.
  • FIG. 1 is an explanatory view showing a state in which the electrocardiographic measuring device 1 is attached to the upper arm 100 of the person to be measured.
  • FIG. 2 is a block diagram showing the configuration of the electrocardiographic measuring device 1.
  • FIG. 3 is a perspective view showing the configuration of the electrocardiographic measuring device 1.
  • FIG. 4 is an explanatory view showing a state in which the electrocardiographic measuring device 1 is attached to the upper arm 100.
  • FIG. 4 shows that the electrocardiographic measuring device 1 is attached to the upper arm 100 of the subject whose circumference of the upper arm 100 is the shortest among the upper arms 100 of the plurality of subjects set to be used by the electrocardiographic measuring device 1. It shows the state that was done.
  • FIG. 5 is an explanatory view showing a state in which the electrocardiographic measuring device 1 is attached to the upper arm 100.
  • FIG. 5 shows that the electrocardiographic measuring device 1 is attached to the upper arm 100 of the person to be measured having the longest peripheral length of the upper arm 100 among the upper arms 100 of the plurality of subjects set to be used by the electrocardiographic measuring device 1. It shows the state that was done.
  • the electrocardiographic measuring device 1 is a potential measuring device that is attached to a living body, detects potentials at a plurality of locations on the surface of the skin of the living body, and generates electrocardiographic information necessary for generating an electrocardiogram based on the detected potentials. ..
  • the electrocardiogram measuring device 1 may generate and display an electrocardiogram waveform, or may be configured to display information necessary for generating an electrocardiogram and output it to an external terminal.
  • the electrocardiographic measuring device 1 includes a mounting portion 11 having a plurality of electrodes 33 and having a part of the living body arranged inside and being mounted on the living body, and a plurality of electrodes 33. It includes an apparatus main body 12 that generates electrocardiographic information based on the detected potential.
  • the electrocardiographic measuring device 1 functions as a so-called wearable device in which the mounting portion 11 is mounted on, for example, the upper arm 100.
  • FIG. 1 shows an example of a state in which the electrocardiographic measuring device 1 is attached to the upper arm 100 of the person to be measured.
  • the mounting portion 11 is fixed to the device main body 12 and is integrally formed with the device main body 12 in an annular shape. As shown in FIGS. 3 to 5, the mounting portion 11 includes a plurality of electrodes 33 and a plurality of connecting portions 34. Further, the mounting portion 11 is configured so that the device main body 12 can be fixed to the upper arm 100.
  • the plurality of electrodes 33 are formed of a conductive material.
  • the plurality of electrodes 33 are configured to be in contact with the upper arm 100 so that the potential of the upper arm 100 can be detected.
  • the lengths of the plurality of electrodes 33 along the circumferential direction of the upper arm 100 are variably configured according to the circumferential length of the upper arm 100.
  • the fact that the lengths of the plurality of electrodes 33 along the circumferential direction of the upper arm 100 are variable means that the plurality of electrodes 33 can be expanded and contracted, or the length of the portion protruding from the reference position of the electrodes 33.
  • the reference position is, for example, the surface of a member to which the electrode 33 is fixed, for example, a connection portion 34, a device main body 12, or the like.
  • the configuration in which the plurality of electrodes 33 can be expanded and contracted will be described as an example.
  • the plurality of electrodes 33 are configured to be expandable and contractible. The plurality of electrodes 33 also have resilience to return from the stretched state to the original length.
  • the plurality of electrodes 33 are formed in a stretchable coil shape, for example. Further, the plurality of electrodes 33 are formed in a flat coil shape, for example. When the plurality of electrodes 33 are stretched, they return to their original lengths due to their own elasticity.
  • the plurality of electrodes 33 are, for example, four electrodes 33. In this embodiment, the plurality of electrodes 33 are fixed to the device main body 12 or the connection portion 34.
  • the plurality of electrodes 33 are electrically connected to the device main body 12 by, for example, wiring. As shown in FIG.
  • the surface of the electrode 33 fixed to the connecting portion 34 on the upper arm 100 side is formed flush with, for example, the surface of the connecting portion 34 on the upper arm 100 side.
  • the surface of the electrode 33 fixed to the device body 12 on the upper arm 100 side is formed flush with, for example, the surface of the device body 12 on the upper arm 100 side.
  • connection portion 34 is an insulator.
  • the connecting portion 34 insulates and connects two adjacent electrodes 33.
  • the plurality of connection portions 34 are, for example, three connection portions 34.
  • the electrode 33 is fixed by integrally molding the end portion of the electrode 33.
  • the electrode 33 may be fixed to the connecting portion 34 by an adhesive.
  • the electrode 33 may be detachably fixed to the connecting portion 34.
  • an engaging portion is formed in the connecting portion 34, and an end portion of the electrode 33 is formed in an engaged portion that can be detachably engaged with the engaging portion, for example, in the shape of a hook. Then, by engaging the engaged portion of the electrode 33 with the engaging portion of the connecting portion 34, the electrode 33 is detachably fixed to the connecting portion 34.
  • the connecting portion 34 may have the electrode 33 detachably fixed by using a magnet.
  • a magnet is provided on at least one of the connection portion 34 and the electrode 33.
  • a metal or magnet that can be fixed to this magnet is provided.
  • Both ends of the mounting portion 11 configured in this way are composed of, for example, two electrodes 33.
  • the two electrodes 33 forming both ends of the mounting portion 11 are fixed to the apparatus main body 12.
  • the circumference of the mounting portion 11 in a state where the plurality of electrodes 33 are not extended is shorter than the shortest circumference of the circumferences of the upper arms 100 of the plurality of subjects to be measured, which are set to be used by the electrocardiographic measuring device 1.
  • Set to length That is, as shown in FIG. 4, when the electrocardiographic measuring device 1 is attached to the upper arm 100 having the shortest peripheral length, the plurality of electrodes 33 extend along the circumferential direction of the upper arm 100.
  • the amount of extension of the plurality of electrodes 33 in this state is an amount of extension that allows the electrocardiographic measuring device 1 to be fixed to the upper arm 100 by the tightening force on the upper arm 100 generated by the restoring force of the plurality of electrodes 33.
  • the circumference of the mounting portion 11 in a state where the plurality of electrodes 33 are extended to the maximum is the longest of the circumferences of the upper arms 100 of the plurality of subjects to be measured, which are set to be used by the electrocardiographic measuring device 1.
  • the length is set to be longer than that. That is, the electrocardiographic measuring device 1 can be fixed to the upper arm having the longest peripheral length.
  • the electrocardiographic measuring device 1 can be fixed to the upper arms 100 of a plurality of subjects to be measured, which are set as the objects to be used by the electrocardiographic measuring device 1, by the mounting portion 11.
  • the apparatus main body 12 includes a case 41, an operation unit 42, a display unit 43, a power supply unit 44, an electrocardiographic information generation unit 45, an electrocardiogram generation unit 46, and a memory. 47 and a control unit 48 are provided. Further, the device main body 12 includes a communication unit that transmits / receives information to / from an external terminal. The communication unit transmits / receives information to / from an external terminal wirelessly and / or by wire. Further, the apparatus main body 12 includes, for example, a ground electrode 49.
  • the case 41 accommodates a part of the operation unit 42, a part of the display unit 43, an electrocardiographic information generation unit 45, an electrocardiogram generation unit 46, a memory 47, and a control unit 48. Further, the case 41 exposes a part of the operation unit 42 and a part of the display unit 43 from the outer surface.
  • the operation unit 42 inputs a command from the user.
  • the operation unit 42 includes a plurality of buttons 42a and sensors that detect the operation of the buttons 42a.
  • the operation unit 42 may include a pressure-sensitive touch panel, a capacitive touch panel, or the like, a microphone that receives a sound command, or the like provided on the case 41, the display unit 43, or the like.
  • the operation unit 42 converts a command into an electric signal and outputs the electric signal to the control unit 48 when the user operates the operation unit 42.
  • the display unit 43 is electrically connected to the control unit 48.
  • the display unit 43 is, for example, a liquid crystal display (LCD: Liquid Crystal Display) or an organic electroluminescence display (OELD: Organic Electro Luminescence Display).
  • the display unit 43 displays the date and time, electrocardiographic information, electrocardiogram waveform, and the like according to the control signal from the control unit 48.
  • the display unit 43 displays various information including blood pressure values such as the displayed systolic blood pressure and diastolic blood pressure and measurement results such as heart rate. May be displayed.
  • the power supply unit 44 is a power source.
  • the power supply unit 44 is a secondary battery such as a lithium ion battery, for example.
  • the power supply unit 44 is electrically connected to the control unit 48.
  • the power supply unit 44 supplies power to the control unit 48.
  • the power supply unit 44 supplies driving power to the operation unit 42, the display unit 43, the electrocardiographic information generation unit 45, the electrocardiogram generation unit 46, and the memory 47 via the control unit 48 and the control unit 48.
  • the electrocardiographic information generation unit 45 is electrically connected to a plurality of electrodes 33 and ground electrodes 49.
  • the electrocardiographic information generation unit 45 calculates the potential difference from the potentials detected by the plurality of electrodes 33 and generates electrocardiographic information.
  • the electrocardiogram generation unit 46 is electrically connected to the electrocardiographic information generation unit 45.
  • the electrocardiogram generation unit 46 generates electrocardiogram information based on the electrocardiographic information generated by the electrocardiographic information generation unit 45.
  • the ECG information may include an ECG waveform.
  • Such an electrocardiographic information generation unit 45 and an electrocardiogram generation unit 46 are processing circuits capable of executing the functions of the electrocardiographic information generation unit 45 and the electrocardiogram generation unit 46, respectively.
  • the electrocardiographic information generation unit 45 and the electrocardiogram generation unit 46 are electrically connected to the control unit 48.
  • the control unit 48 includes the processing circuits of the electrocardiographic information generation unit 45 and the electrocardiogram generation unit 46, and executes the program stored in the memory 47 to perform the functions of the electrocardiographic information generation unit 45 and the electrocardiogram generation unit 46. You may do it.
  • the electrocardiographic information generation unit 45 or the electrocardiogram generation unit 46 may have a low-pass filter, an amplifier, and an analog / digital converter.
  • a potential difference signal is converted into a digital signal by an analog / digital converter after removing unnecessary noise components with a low-pass filter and then amplifying the signal with an amplifier.
  • the memory 47 includes, for example, SSD (Solid State Drive), RAM (Random Access Memory), ROM (Read Only Memory), and the like as storage media.
  • the memory 47 stores a program necessary for executing various control processes. Further, the memory 47 stores the detected electrocardiographic signal, the generated electrocardiographic information, the electrocardiogram information, and the like. Further, for example, the memory 47 stores such information in chronological order.
  • the control unit 48 includes a single processor or a plurality of processors.
  • the control unit 48 is formed by one or more processing circuits.
  • the control unit 48 is, for example, a CPU (Central Processing Unit).
  • the control unit 48 executes the entire operation of the electrocardiographic measuring device 1 and a predetermined operation (function) based on the program stored in the memory 47.
  • the control unit 48 executes a predetermined calculation, analysis, processing, or the like according to the read program.
  • the control unit 48 controls the operation of the operation unit 42, the display unit 43, the electrocardiographic information generation unit 45, and the electrocardiogram generation unit 46, transmits / receives signals, and supplies electric power.
  • the ground electrode 49 is fixed to, for example, the surface of the case 41 on the upper arm 100 side.
  • the ground electrode 49 is electrically connected to the electrocardiographic information generation unit 45.
  • the electrocardiographic measuring device 1 configured in this way on the upper arm 100 of the person to be measured.
  • the electrocardiographic measuring device 1 has a configuration in which the electrode 33 is fixed to the connecting portion 34, the person to be measured inserts an arm into the mounting portion 11 from a fingertip. Then, the person to be measured moves the mounting portion 11 to the upper arm 100.
  • the plurality of electrodes 33 expand and contract along the circumferential direction of the upper arm 100 according to the circumference of the upper arm 100 of the person to be measured. Further, the mounting portion 11 tightens the upper arm 100 by having a restoring force for returning from the extended state of the mounting portion 11. By this tightening force, the electrocardiographic measuring device 1 is fixed to the upper arm 100 of the person to be measured.
  • the electrocardiographic measuring device 1 When the electrocardiographic measuring device 1 has a configuration in which the electrodes 33 are detachably fixed to the connection portion 34, the person to be measured releases the fixation of the electrode 33 and the connection portion 34 of one of the plurality of electrodes 33, for example. do.
  • the person to be measured wraps the mounting portion 11 and the device main body 12 around the upper arm 100.
  • the person to be measured fixes the electrode 33 and the connecting portion 34 which have been released from being fixed.
  • the person to be measured extends the plurality of electrodes 33 by pulling the mounting portion 11 according to the upper arm 100.
  • the mounting portion 11 and the device main body 12 are formed in an annular shape. Since the mounting portion 11 and the device main body 12 are formed in an annular shape, the mounting portion 11 tightens the upper arm 100 by the restoring force of the plurality of electrodes 33.
  • the electrocardiographic measuring device 1 is fixed to the upper arm 100.
  • the person to be measured operates the operation unit 42, and the control unit 48 controls each configuration via the two electrodes 33. Detects an electrocardiographic signal. Then, the electrocardiographic information generation unit 45 generates electrocardiographic information from the electrocardiographic signal, and the electrocardiogram generation unit 46 generates electrocardiographic information from the electrocardiographic information.
  • the control unit 48 stores the electrocardiographic information and the electrocardiogram information in the memory 47, and displays information such as the date and time and the electrocardiogram on the display unit 43. Further, the control unit 48 may control the communication unit to transmit various information such as date and time, electrocardiographic information, and electrocardiogram information to an external terminal.
  • the electrocardiographic measuring device 1 is various because the lengths of the plurality of electrodes 33 are variable along the circumferential direction of the upper arm 100 according to the peripheral length of the upper arm 100. It can be attached to the upper arm 100 of the person to be measured, and it is possible to suppress causing discomfort at the time of wearing to various persons to be measured.
  • the device main body 12 can be fixed to the upper arm 100 by the mounting portion 11. Therefore, since a fixture for fixing the mounting portion 11 and the device main body 12 to the upper arm 100 is not required separately, it is possible to prevent the number of parts of the electrocardiographic measuring device 1 from increasing.
  • the electrode 33 includes, for example, a plurality of conductive plate members 150 long in one direction, and the plurality of plate members 150 are formed by a spring or the like. It may be configured to be movably connected.
  • the movement referred to here is a movement in a direction in which the distance between the two adjacent plate members 150 is widened, and a movement in a direction in which the distance between the two adjacent plate members 150 is narrowed.
  • FIG. 6 is an explanatory view showing a part of one electrode 33 and two connecting portions 34 connected to the electrode 33.
  • FIG. 7 is an explanatory view showing a state in which the electrode 33 shown in FIG. 6 is extended.
  • the electrode 33 may be formed in a bellows shape by a conductive material as in other modifications shown in FIGS. 8 and 9.
  • the bellows-shaped electrode 33 may have a restoring force to return from the stretched state.
  • FIG. 8 is an explanatory view showing a part of one electrode 33 and two connecting portions 34 to which the electrode 33 is connected.
  • FIG. 9 is an explanatory diagram showing a state in which the electrode 33 shown in FIG. 8 is extended.
  • the electrode 33 may have a configuration that does not have a restoring force that contracts from the stretched state.
  • the electrode 33 may be configured by, for example, a stretchable link mechanism.
  • FIG. 10 is an explanatory view showing an electrode 33 and a part of two connecting portions 34 to which the electrode 33 is connected.
  • FIG. 11 shows the electrode 33 and a part of the two connecting portions 34 to which the electrode 33 is connected, and shows the state in which the electrode 33 is extended from the state shown in FIG.
  • FIG. 12 is an explanatory view showing a state in which the electrocardiographic measuring device 1A is attached to the upper arm 100.
  • the length of the portion of the plurality of electrodes that come into contact with the upper arm 100 and detect the potential of the upper arm 100 is variable with respect to the reference position, so that the upper arm is corresponding to the circumference of the upper arm 100.
  • An example of a configuration in which the length along the circumferential direction of 100 is variable will be described.
  • the electrocardiographic measuring device 1A has a plurality of electrodes 33A, and a part of the upper arm 100 is arranged inside and is mounted on the upper arm 100.
  • a device main body 12 that generates electrocardiographic information based on the generated potential is provided.
  • the electrocardiographic measuring device 1A functions as a so-called wearable device in which the mounting portion 11A is mounted on the upper arm 100.
  • the mounting portion 11A is connected to the device main body 12 and is integrally formed with the device main body 12 in an annular shape.
  • the mounting portion 11A is configured so that the upper arm 100 can be arranged inside.
  • the mounting portion 11A includes a plurality of electrodes 33A and a plurality of connecting portions 34A.
  • the electrode 33A is configured to be deformable, for example, following the upper arm 100.
  • the electrode 33A is configured by, for example, connecting a plurality of electrode pieces 140.
  • connection portion 34A is formed of an insulator.
  • the connecting portion 34A insulates and connects two adjacent electrodes 33A. Further, the plurality of connecting portions 34A support one of the two connected electrodes 33A so as to be able to advance and retreat with respect to the connecting portion 34A.
  • connection portion 34A is formed with a hole 141 that movably accommodates a part of the electrode 33.
  • the plurality of electrodes 33A are configured to be variable along the circumferential direction of the upper arm 100 because the length of the portion of the connecting portion 34A protruding from the hole 141 is variable.
  • the reference position is the edge of the hole 141.
  • connection portion 34A is configured to be able to be urged in the direction of pulling the electrode 33A into the hole 141 when the electrode 33A is pulled in the direction of exiting the hole 141.
  • the end of the electrode 33A housed in the hole of the connecting portion 34A is fixed in the hole of the connecting portion 34 by a spring. Then, as the spring expands and contracts, the length of the portion of the electrode 33A that comes out of the hole of the connecting portion 34 becomes variable.
  • the electrode 33A may be a wire made of a conductive material.
  • the connecting portion 34D may be a cord reel to which the wire-shaped electrode 33A is connected.
  • FIG. 13 is an explanatory diagram showing the configuration of the electrocardiographic measuring device 1B.
  • the electrocardiographic measuring device 1B includes a mounting portion 11B and a device main body 12.
  • the mounting portion 11B includes a plurality of electrodes 33, a plurality of connecting portions 34, and an insulating portion 35.
  • the insulating portion 35 is provided on the outer peripheral surface side of the plurality of electrodes 33 with the electrocardiographic measuring device 1B attached to the upper arm 100.
  • the insulating portion 35 covers a non-contact area of the upper arms 100 of the plurality of electrodes 33.
  • the insulating portion 35 is composed of an insulator.
  • the insulating portion 35 is configured by, for example, fixing a cover member formed of an insulator to each of the plurality of electrodes 33.
  • the insulating portion 35 may be configured by applying or plating an insulating body on the electrode 33.
  • the electrocardiographic measuring device 1B configured in this way, the same effect as that of the first embodiment can be obtained. Further, when measuring the potential, the insulating portion 35 prevents the plurality of electrodes 33 from coming into contact with other than the upper arm 100. Therefore, the accuracy of measuring the potential of the upper arm 100 by the electrocardiographic measuring device 1B can be improved.
  • FIG. 14 is an explanatory diagram showing the configuration of the electrocardiographic measuring device 1C.
  • the electrocardiographic measuring device 1C includes a mounting portion 11C and a device main body 12C.
  • the mounting portion 11C includes a plurality of electrodes 33, a plurality of connecting portions 34, and a sub device main body 130.
  • Each of the plurality of electrodes 33 is fixed to the connection portion 34, the device main body 12C, or the sub device main body 130.
  • the plurality of connection portions 34 are, for example, two connection portions 34.
  • the other ends of the two electrodes 33 whose one end is fixed to the device main body 12C are fixed to the two connecting portions 34.
  • the sub-device main body 130 measures the potentials of the two electrodes 33 to be fixed. Then, the sub-device main body 130 generates electrocardiographic information based on the measured potential, and wirelessly transmits the generated electrocardiographic information to the external device 200.
  • the external device 200 is, for example, a smartphone.
  • the sub-device main body 130 includes, for example, a power supply unit 131, an electrocardiographic information generation unit 132, a signal transmission unit 133, a memory 134, and a control unit 135. Further, the sub device main body 130 has a ground electrode 136.
  • the power supply unit 131 is a power source.
  • the power supply unit 131 is a secondary battery such as a lithium ion battery, for example.
  • the power supply unit 131 is electrically connected to the control unit 135.
  • the power supply unit 131 supplies power to the control unit 135.
  • the power supply unit 131 supplies driving power to the electrocardiographic information generation unit 132, the signal transmission unit 133, and the memory 134 via the control unit 135 and the control unit 135.
  • the electrocardiographic information generation unit 132 is electrically connected to two electrodes 33 fixed to the sub device main body 130 and a ground electrode 136.
  • the electrocardiographic information generation unit 132 calculates the potential difference from the potentials detected by the two electrodes 33 and generates electrocardiographic information.
  • the electrocardiographic information generation unit 132 is, for example, a processing circuit capable of executing the functions of the electrocardiographic information generation unit 132.
  • the electrocardiographic information generation unit 132 is electrically connected to the control unit 135.
  • the control unit 135 may include the processing circuit of the electrocardiographic information generation unit 132 and execute the program stored in the memory 134 to execute the function of the electrocardiographic information generation unit 132.
  • the electrocardiographic information generator 132 may have a low-pass filter, an amplifier, and an analog / digital converter.
  • a potential difference signal is converted into a digital signal by an analog / digital converter after removing unnecessary noise components with a low-pass filter and then amplifying the signal with an amplifier.
  • the signal transmission unit 133 is electrically connected to the electrocardiographic information generation unit 132.
  • the signal transmission unit 133 wirelessly transmits the electrocardiographic information generated by the electrocardiographic information generation unit 132 to the external device 200.
  • the memory 134 includes, for example, SSD (Solid State Drive), RAM (Random Access Memory), ROM (Read Only Memory), and the like as storage media.
  • the memory 134 stores a program necessary for executing various control processes. Further, the memory 134 stores the detected electrocardiographic signal and the generated electrocardiographic information. Further, for example, the memory 134 stores such information in chronological order.
  • the control unit 135 includes a single processor or a plurality of processors.
  • the control unit 135 is formed by one or more processing circuits.
  • the control unit 135 is, for example, a CPU (Central Processing Unit).
  • the control unit 135 executes the entire operation of the electrocardiographic measuring device 1C and a predetermined operation (function) based on the program stored in the memory 134.
  • the control unit 135 executes a predetermined calculation, analysis, processing, or the like according to the read program.
  • the control unit 135 controls the operation of the electrocardiographic information generation unit 132 and the signal transmission unit 133, transmits / receives signals, and supplies electric power.
  • the ground electrode 136 is formed so as to be in contact with the upper arm 100 with the electrocardiographic measuring device 1C attached to the upper arm 100.
  • the device main body 12C calculates the potentials of the two electrodes 33 fixed to the device main body 12C to generate electrocardiographic information, and transmits this electrocardiographic information to the external device 200.
  • the device main body 12C includes, for example, a configuration other than the electrocardiogram generation unit 46 and a transmission unit among the configurations of the device main body 12 of the electrocardiographic measurement device 1 of the first embodiment.
  • the device main body 12C transmits the information calculated by the electrocardiographic information generation unit 45 to the external device 200 by the transmission unit.
  • the external device 200 generates electrocardiogram information based on the signals received from the device main body 12C and the sub device main body 130. Further, the external device 200 may display an electrocardiogram based on the generated electrocardiographic information.
  • the sub-device main body 130 may be configured to transmit electrocardiographic information to the device main body 12C.
  • the device main body 12C may have the same configuration as the device main body 12 of the electrocardiographic measuring device 1 of the first embodiment, for example.
  • the electrocardiogram generation unit 46 of the device main body 12C is based on, for example, the electrocardiographic information generated by the electrocardiographic information generation unit 45 and the electrocardiographic information generated by the electrocardiographic information generation unit 132 of the sub device main body 130. Generate electrocardiogram information.
  • the same effect as that of the first embodiment can be obtained. Further, since the configuration for generating electrocardiographic information based on the potentials detected by the plurality of electrodes 33 can be divided into the device main body 12C and the sub device main body 130, each of the device main body 12C and the sub device main body 130 can be divided. It is possible to reduce the size.
  • both ends of the mounting portion 11 may be composed of two connecting portions 34. Then, these two connecting portions 34 may be fixed to the apparatus main body 12.
  • one of the plurality of connecting portions 34 has a plurality of electrodes 33 in a state where the electrocardiographic measuring devices 1, 1A, 1B, and 1C are attached to the upper arm 100.
  • the length along the circumferential direction of the upper arm 100 of the one connecting portion 34 may be adjustable within a range in which the length is maintained from the shortest length. An example of this will be described with reference to FIGS. 16 and 17 as a modified example of the electrocardiographic measuring device 1 of the first embodiment.
  • one of the plurality of connecting portions 34, the connecting portion 34 is configured as a belt whose length can be adjusted.
  • the one connecting portion 34 includes, for example, a first portion 110, a second portion 111, and a fixing ring 112.
  • the first portion 110 is fixed to, for example, one of two adjacent electrodes 33.
  • the second portion 111 is fixed to the other electrode 33.
  • the second portion 111 is formed in a band shape.
  • a hook-and-loop fastener 113 is provided in the second portion 111 as an example of the fixing means.
  • the hook-and-loop fastener 113 has hooks and loops.
  • the fixing ring 112 is fixed to the first portion 110.
  • the second portion 111 is folded back by the fixing ring 112 and fixed by the hook-and-loop fastener 113.
  • the length of the connecting portion 34 can be adjusted by adjusting the folded position of the second portion 111 on the fixing ring 112. Further, the connecting portion 34 can adjust the length of the connecting portion 34 within a range in which the electrocardiographic measuring device 1 is fixed to the upper arm 100 and the plurality of electrodes 33 are maintained in an extended state.
  • the circumference of the electrocardiographic measuring device 1 is the shortest among the upper arms 100 of the plurality of subjects to be measured, which are set to be used by the electrocardiographic measuring device 1 in a state where the length of the connecting portion 34 is the longest.
  • the electrocardiographic measuring device 1 can be fixed to the upper arm 100 by the tightening force due to the restoring force of the plurality of electrodes 33, and the tightening force can be adjusted by adjusting the length of the connecting portion 34.
  • the electrocardiographic measuring device 1 can be suitably fixed to the upper arm 100.
  • the mounting portion 11 can be separated by the connecting portion 34. Therefore, when the electrocardiographic measuring device 1 is attached to the upper arm 100, the attachment portion 11 and the apparatus main body 12 can be formed into a band shape by separating the connecting portion 34 formed in a belt shape. Therefore, it is possible to fix the electrocardiographic measuring device 1 to the upper arm 100 by connecting the belt-shaped connecting portion 34 in a state where the band-shaped mounting portion 11 and the device main body 12 are wound around the upper arm 100. Become. As a result, the work of fixing the upper arm 100 of the electrocardiographic measuring device 1 becomes easy.
  • the device main body 12 is fixed to the upper arm 100 by the mounting portion 11 by utilizing the restoring force of the plurality of electrodes 33 as an example, but the present invention is not limited to this.
  • a fixture 160 for fixing the device main body 12 to the upper arm may be provided.
  • FIG. 18 is an explanatory view showing a modified example of the electrocardiographic measuring device 1 attached to the upper arm 100.
  • the fixture 160 is arranged, for example, outside the mounting portion 11 and is fixed to the apparatus main body 12.
  • the fixture 160 is, for example, a belt.
  • the fixture 160 includes, for example, a first portion 161, a second portion 162, and a fixing ring 163.
  • the first portion 161 is fixed to the apparatus main body 12.
  • the second portion 162 is fixed to the apparatus main body 12.
  • the second portion 162 is provided with a hook-and-loop fastener as an example of the fixing means.
  • the hook-and-loop fastener has hooks and loops.
  • the fixing ring 163 is provided at one end of the first portion 161.
  • the person to be measured passes the second portion 162 through the fixing ring 163 after arranging the upper arm 100 in the mounting portion 11, for example.
  • the person to be measured folds back the second portion 162 with the fixing ring 163 and pulls it.
  • the fixture 160 is tightened to the upper arm 100.
  • the mounting portion 11 is also tightened to the upper arm 100 by the fixture 160.
  • the mounting portion 11 is fastened to the upper arm 100 by the fixture 160, so that the plurality of electrodes 33 are present.
  • the length of the electrode 33 of the above shrinks according to the circumference of the upper arm 100. Therefore, the plurality of electrodes 33 are preferably in contact with the upper arm 100.
  • the electrocardiographic measuring device 1 is fixed to the upper arm 100 by the fixture 160.
  • the connecting portion 34 may be configured to be stretchable.
  • at least one of the plurality of connecting portions 34 may have a configuration in which a restoring force acts in the direction of contracting from the extended state.
  • the connecting portion 34 may be formed in a coil shape.
  • the connecting portion 34 may be configured in a bellows shape.
  • the connecting portion 34 may have a configuration that does not have a restoring force in the direction of contracting from the extended state, and as a specific example, it may be configured by a link mechanism.
  • the electrocardiographic measuring devices 1, 1A, 1B, and 1C have been described with reference to an example in which they are attached to the upper arm 100, but they are attached to other parts of the living body such as the chest, wrists, and legs. It may be a configuration.
  • a plurality of electrodes 33 are configured to have a variable length along the circumferential direction of the upper arm 100
  • the present invention is not limited to this.
  • at least one of the plurality of electrodes 33 may be configured to have a variable length along the circumferential direction of the upper arm 100.
  • the mounting portions 11, 11A, 11B, and 11C have described the configuration used for the electrocardiographic measuring device 1, but the present invention is not limited to this.
  • the mounting portion 11 may have a configuration used in a biological information measuring device used for electrocardiographic measurement and blood pressure measurement.
  • the biological information measuring device produces a blood pressure measuring function of generating a blood pressure value from the pulse wave sensor and the pulse wave information detected by the pulse wave sensor. It may be configured to have a processing circuit or the like.
  • Such a biological information measuring device exerts a blood pressure measurement function of calculating a pulse wave propagation time (PTT) for each heartbeat, estimating blood pressure, and measuring a blood pressure value.
  • a biological information measuring device is, for example, a pulse for each heartbeat, which is one of the feature quantities from the R wave peak RP detected by the electrocardiographic signal and the pulse wave signal detected by the pulse wave sensor.
  • the pulse wave propagation time (PTT) for each heartbeat is calculated based on the time difference from the wave rising PS.
  • the present invention can constitute various inventions by an appropriate combination of a plurality of constituent elements disclosed in each of the above embodiments. For example, some components may be removed from all the components shown in each embodiment. In addition, components from different embodiments may be combined as appropriate.
  • Second part 112 Fixed ring 113 ... Surface fastener 121 ... Insulation part 130 ... Sub-device main body 131 ... Power supply unit 132 ; Electrocardiographic information generation unit 133 ... Signal transmission unit 140 ... Electrode piece 150 ... Plate member 160 ... Fixture 161 ... First part 162 ... Second part 163 ... Fixing ring

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PCT/JP2021/007616 2020-03-31 2021-03-01 心電測定装置 Ceased WO2021199824A1 (ja)

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CN115209805A (zh) 2022-10-18
CN115209805B (zh) 2025-08-26

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