WO2020039829A1 - 測定装置 - Google Patents

測定装置 Download PDF

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Publication number
WO2020039829A1
WO2020039829A1 PCT/JP2019/029024 JP2019029024W WO2020039829A1 WO 2020039829 A1 WO2020039829 A1 WO 2020039829A1 JP 2019029024 W JP2019029024 W JP 2019029024W WO 2020039829 A1 WO2020039829 A1 WO 2020039829A1
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WO
WIPO (PCT)
Prior art keywords
measurement
blood pressure
electrocardiogram
unit
user
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/JP2019/029024
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
出野　徹
貴広 濱口
湯本　将彦
山内　隆伸
和 松岡
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 CN201980049119.9A priority Critical patent/CN112584763B/zh
Priority to DE112019003678.5T priority patent/DE112019003678T5/de
Publication of WO2020039829A1 publication Critical patent/WO2020039829A1/ja
Priority to US17/175,863 priority patent/US12465225B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • A61B5/02—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
    • A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
    • A61B5/1116—Determining posture transitions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/15—Devices for taking samples of blood
    • A61B5/150007—Details
    • A61B5/150801—Means for facilitating use, e.g. by people with impaired vision; means for indicating when used correctly or incorrectly; means for alarming
    • A61B5/150816—Means for facilitating use, e.g. by people with impaired vision; means for indicating when used correctly or incorrectly; means for alarming by tactile feedback, e.g. vibration
    • 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
    • A61B5/279—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
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/291—Bioelectric electrodes therefor specially adapted for particular uses for electroencephalography [EEG]
    • 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
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A61B2560/0204—Operational features of power management
    • A61B2560/0214—Operational features of power management of power generation or supply

Definitions

  • the aspect of the present invention relates to, for example, a measurement device that measures a user's electrocardiogram and blood pressure.
  • ⁇ For example, for the diagnosis or treatment of cardiovascular disease, patients may be requested by a physician to measure their ECG and blood pressure regularly at home (eg, after waking up daily and before going to bed). It is important to remember to measure the electrocardiogram and blood pressure, and the patient uses a schedule management application installed on a user terminal device such as a smartphone, for example, so that an alert is output at a time to be measured. .
  • a schedule management application installed on a user terminal device such as a smartphone, for example, so that an alert is output at a time to be measured.
  • Some measurement devices such as a sphygmomanometer have an alert function that outputs an alert at the time of measurement (for example, see Patent Document 1).
  • the patient may measure one of the ECG and the blood pressure in response to the alert, but may forget to measure the other of the ECG and the blood pressure.
  • the present invention has been made in view of the above circumstances, and provides a measurement device that can prevent a user from forgetting to measure the other of the electrocardiogram and the blood pressure after measuring one of the electrocardiogram and the blood pressure. With the goal.
  • the present invention employs the following configuration in order to solve the above problems.
  • a measurement device an electrocardiogram measurement unit that measures an electrocardiogram of a user, a blood pressure measurement unit that measures the blood pressure of the user, and a measurement end detection unit that detects that electrocardiogram measurement by the electrocardiogram measurement unit has ended.
  • a blood pressure measurement control unit that starts blood pressure measurement by the blood pressure measurement unit in response to the measurement completion detection unit detecting that the electrocardiogram measurement has been completed.
  • the blood pressure measurement is started after the electrocardiogram measurement ends without the user instructing the start of the blood pressure measurement. Therefore, it is possible to prevent the user from forgetting to measure the blood pressure after measuring the electrocardiogram. Furthermore, since the measurement device can measure both the electrocardiogram and the blood pressure by itself, it is highly convenient for the user.
  • the measurement device may further include a notification unit that notifies that the blood pressure measurement is to be performed in response to the measurement completion detection unit detecting that the electrocardiogram measurement has been completed.
  • the user can grasp the start of the blood pressure measurement and prepare for the blood pressure measurement. For example, the user receives the notification and takes a posture suitable for blood pressure measurement.
  • the measurement device may further include a posture detection unit that detects that the user has taken a posture suitable for the blood pressure measurement, wherein the blood pressure measurement control unit indicates that the electrocardiogram measurement has been completed.
  • the blood pressure measurement may be started in response to the detection by the measurement end detection unit and the detection by the posture detection unit that the user is in a posture suitable for the blood pressure measurement.
  • the apparatus may further include an instruction unit that instructs the user to take a posture suitable for the blood pressure measurement.
  • a measurement device an electrocardiogram measurement unit that measures an electrocardiogram of a user, a blood pressure measurement unit that measures the blood pressure of the user, and a measurement end detection unit that detects that blood pressure measurement by the blood pressure measurement unit has ended.
  • An electrocardiogram measurement control unit that starts the electrocardiogram measurement by the electrocardiogram measurement unit in response to the measurement end detection unit detecting that the blood pressure measurement has ended.
  • the ECG measurement is started after the blood pressure measurement is completed without the user instructing the start of the ECG measurement. For this reason, it becomes possible to prevent the user from forgetting to measure the electrocardiogram after measuring the blood pressure. Furthermore, since the measurement device can measure both the electrocardiogram and the blood pressure by itself, it is highly convenient for the user.
  • the measurement device may further include a notification unit that notifies that the electrocardiogram measurement is to be performed in response to the measurement completion detection unit detecting that the blood pressure measurement has been completed.
  • the user can grasp the start of the electrocardiogram measurement and prepare for the electrocardiogram measurement. For example, the user receives the notification and brings his / her hand without the measuring device into contact with the electrode for measuring the electrocardiogram.
  • the measurement device may further include a mounting member to be mounted on the user, wherein the electrocardiogram measurement unit includes a first electrode provided on a surface of the mounting member on a side in contact with the user.
  • An electrocardiogram generating unit that generates the electrocardiogram based on a potential difference between a second electrode provided on a surface of the mounting member that does not contact the user and a potential difference between the first electrode and the second electrode.
  • the measurement device may include: a contact detection unit that detects that the user has contacted the second electrode; and the user, until a predetermined period elapses after the blood pressure measurement ends. And an instruction unit for instructing the user to make contact with the second electrode when the contact detection unit does not detect that the device has contacted the second electrode.
  • the electrocardiogram measurement can be performed more reliably.
  • the present invention it is possible to provide a measuring device that can prevent a user from forgetting to measure the other of the electrocardiogram and the blood pressure after measuring one of the electrocardiogram and the blood pressure.
  • FIG. 1 is a diagram showing a measuring device according to one embodiment.
  • FIG. 2 is a perspective view showing the appearance of the measuring device according to the first embodiment.
  • FIG. 3 is a cross-sectional view of the measuring device according to the first embodiment.
  • FIG. 4 is a diagram illustrating a hardware configuration of a control system of the measurement device according to the first embodiment.
  • FIG. 5 is a diagram illustrating a software configuration of the measurement device according to the first embodiment.
  • FIG. 6 is a diagram illustrating a posture suitable for blood pressure measurement.
  • FIG. 7 is a flowchart illustrating a processing procedure for performing blood pressure measurement after measuring an electrocardiogram according to the first embodiment.
  • FIG. 8 is a flowchart illustrating a processing procedure of blood pressure measurement by the oscillometric method according to the first embodiment.
  • FIG. 9 is a diagram showing the relationship between cuff pressure and pulse wave signal in blood pressure measurement by the oscillometric method.
  • FIG. 10 is a diagram illustrating a software configuration of the measuring device according to the second embodiment.
  • FIG. 11 is a flowchart illustrating a processing procedure for performing an electrocardiogram measurement after the blood pressure measurement according to the second embodiment.
  • FIG. 1 illustrates a measuring device 10 according to one embodiment.
  • the measurement device 10 is, for example, a wearable device, and is mounted on the left wrist 70 of the user in the example of FIG.
  • the measurement device 10 includes a belt unit 20, an electrocardiogram measurement unit 30, a blood pressure measurement unit 40, a measurement end detection unit 50, and a blood pressure measurement control unit 60.
  • the belt unit 20 is a member that is wrapped around the left wrist 70 of the user, and is used to attach the measuring device 10 to the left wrist 70 of the user.
  • the belt part 20 has an inner peripheral surface and an outer peripheral surface 21.
  • the inner peripheral surface refers to a portion of the surface of the belt unit 20 facing the user's left wrist 70 in a state where the measuring device 10 is worn on the user's left wrist 70.
  • the outer peripheral surface 21 indicates a portion of the surface of the belt portion 20 other than the inner peripheral surface.
  • the inner peripheral surface is a surface on the side that comes into contact with the user in a state where the measuring device 10 is mounted on the left wrist 70 of the user, and the outer peripheral surface 21 is where the measuring device 10 is mounted on the left wrist 70 of the user. This is the surface on the side that does not come into contact with the user in the folded state.
  • the belt unit 20 is an example of a mounting member worn by a user.
  • the electrocardiogram measuring section 30 is provided on the belt section 20 and measures the electrocardiogram of the user.
  • An electrocardiogram is a waveform signal representing the electrical activity of the heart.
  • the electrocardiogram measurement unit 30 uses a lead method called first lead. That is, the electrocardiogram measurement unit 30 measures the electrocardiogram based on the potential difference generated between the upper limbs.
  • the electrocardiogram measuring section 30 includes an electrode 31, an electrode 32, and an electrocardiogram generating section 33.
  • the electrode 31 is provided on the inner peripheral surface of the belt section 20 and comes into contact with the user's left wrist 70 in a state where the measuring device 10 is worn on the user's left wrist 70.
  • the electrode 32 is provided on the outer peripheral surface 21 of the belt section 20 and does not contact the user's left wrist 70 when the measuring device 10 is worn on the user's left wrist 70.
  • the user touches the electrode 32 with the right hand (for example, the right index finger). Thereby, a state is generated in which the electrode 31 is arranged on the left upper limb of the user and the electrode 32 is arranged on the upper right limb of the user.
  • the electrocardiogram generating unit 33 generates an electrocardiogram based on a potential difference between the electrode 31 and the electrode 32.
  • the blood pressure measurement unit 40 is provided on the belt unit 20 and measures the blood pressure of the user.
  • the blood pressure measurement unit 40 includes a pressing cuff that presses the left wrist 70 based on air supply, and performs blood pressure measurement based on an oscillometric method or a Korotkoff method.
  • the measurement end detection unit 50 detects that the measurement by the electrocardiogram measurement unit 30 has been completed. In order to diagnose or treat a cardiovascular disease, electrocardiogram data for a predetermined period (for example, 30 seconds) may be required. The measurement end detection unit 50 determines that the measurement by the electrocardiogram measurement unit 30 has ended, for example, when the data of the electrocardiogram for a predetermined period is acquired. In other words, the measurement end detection unit 50 determines that the measurement by the electrocardiogram measurement unit 30 has ended when a predetermined period has elapsed since the right hand of the user touched the electrode 32.
  • a predetermined period for example, 30 seconds
  • the blood pressure measurement control unit 60 controls the blood pressure measurement unit 40.
  • the blood pressure measurement control section 60 starts the measurement by the blood pressure measurement section 40 in response to the measurement end detection section 50 detecting that the measurement by the electrocardiogram measurement section 30 has been completed.
  • the blood pressure measurement is performed after the ECG measurement without the user inputting the blood pressure measurement instruction to the measuring device 10. Thereby, it is possible to prevent the user from forgetting to measure the blood pressure after measuring the electrocardiogram. Furthermore, since the measurement device 10 can measure both the electrocardiogram and the blood pressure by itself, it is highly convenient for the user.
  • the measurement device 10 may be configured to perform an electrocardiogram measurement following the blood pressure measurement.
  • the measurement device 10 includes an operation mode for performing blood pressure measurement subsequent to the electrocardiogram measurement, an operation mode for performing electrocardiogram measurement subsequent to the blood pressure measurement, an operation mode for performing electrocardiogram measurement, and an operation mode for performing blood pressure measurement. , May be configured to be able to switch the operation mode.
  • a first embodiment relates to a measuring device configured to perform a blood pressure measurement subsequent to an electrocardiogram measurement
  • a second embodiment relates to a measuring device configured to perform an electrocardiogram measurement subsequent to a blood pressure measurement.
  • FIG. 2 is a perspective view illustrating the appearance of the measuring apparatus 100.
  • the measuring device 100 is a wristwatch-type device.
  • the measuring device 100 is designed to be worn on the left wrist of a user.
  • the measurement device 100 includes a belt unit 120, a display device 106, an input device 107, an electrode 131, and an electrode 132.
  • the belt unit 120 includes a belt 121, a main body 123, and a three-fold buckle 124.
  • the belt 121 refers to a belt-shaped member that is worn around the left wrist of the user, and is sometimes referred to by another name such as a band.
  • the belt 121 has an inner peripheral surface 121A and an outer peripheral surface 121B.
  • the inner peripheral surface 121A is a surface facing the left wrist of the user in a state where the user wears the measuring device 100 (hereinafter, simply referred to as “wearing state”), and the outer peripheral surface 121B is opposite to the inner peripheral surface 121A.
  • Wearing state the measuring device 100
  • the width of the belt 121 is set to about 30 mm in this example.
  • the width indicates a dimension in the width direction of the belt 121.
  • the width direction of the belt 121 corresponds to the longitudinal direction of the left wrist indicated by the arrow Y.
  • the main body 123 is provided integrally with the end 121E of the belt 121 in the circumferential direction.
  • the belt 121 and the main body 123 may be separately formed, and the main body 123 may be attached to the belt 121 with an engaging member (for example, a hinge).
  • the part of the belt 121 on which the main body 123 is arranged is scheduled to be located on the back side of the hand of the left wrist in the mounted state.
  • the main body 123 is formed small and thin so as not to disturb the daily activities of the user.
  • the main body 123 has a truncated quadrangular pyramid-shaped contour protruding outward from the belt 121.
  • the display device 106 is provided on the top surface 123A of the main body 123.
  • the input device 107 is provided along the side surface 123F of the main body 123. The display device 106 and the input device 107 will be described later.
  • the bottom surface 123B of the main body 123 is connected to the other end 121F in the circumferential direction of the belt 121 by the buckle 124.
  • the buckle 124 includes a first plate-like member 125, a second plate-like member 126, a connecting rod 127, a connecting rod 128, and a fixing part 129.
  • the second plate-like member 126 is arranged on the inner peripheral side of the first plate-like member 125.
  • One end 125E of the first plate-like member 125 is rotatably attached to the main body 123 via a connecting rod 127 extending along the width direction of the belt 121.
  • the other end 125F of the first plate-like member 125 is rotatable with respect to one end 126F of the second plate-like member 126 via a connecting rod 128 extending along the width direction of the belt 121.
  • the other end 126E of the second plate-like member 126 is fixed to an end 121F of the belt 121 by a fixing portion 129.
  • the mounting position of the fixing portion 129 in the circumferential direction of the belt 121 is variably set in advance according to the circumference of the left wrist of the user.
  • the belt 121 is configured to be substantially annular as a whole, and the bottom surface 123B of the main body 123 and the end 121F of the belt 121 can be opened and closed in the direction indicated by the arrow B by the buckle 124.
  • the electrode 131 is provided on the inner peripheral surface 121A of the belt 121 between the end 121E and the end 121F of the belt 121.
  • the electrode 131 has, for example, a plate shape or a sheet shape. In this example, the electrode 131 has a shape that is long in the circumferential direction of the belt 121. This ensures that the electrode 131 contacts the left wrist of the user in the mounted state.
  • the electrode 131 may be arranged on the inner peripheral surface 126A of the second plate-like member 126 of the buckle 124.
  • the electrode 132 is provided on the top surface 123A of the main body 123. Thus, the electrode 132 does not contact the left wrist of the user in the mounted state.
  • the electrode 132 may be provided on the outer peripheral surface 121B of the belt 121.
  • the user When the measuring device 100 is worn on the left wrist of the user, the user passes the left hand through the belt 121 in the direction indicated by the arrow A with the buckle 124 opened and the diameter of the ring of the belt 121 increased. The user closes and fixes the buckle 124 with the main body 123 positioned on the back side of the hand of the left wrist. Thus, the user wears measuring device 100 on the left wrist.
  • FIG. 3 illustrates a cross section of the measuring device 100 in a mounted state.
  • the belt 121 includes a belt 122 and a pressing cuff 141 attached along an inner peripheral surface of the belt 122.
  • the strip 122 is formed of a plastic material, has flexibility in the thickness direction, and has substantially no elasticity in the circumferential direction.
  • the pressing cuff 141 is configured as a fluid bag by making two expandable and contractable polyurethane sheets face each other in the thickness direction, and welding their peripheral edges.
  • the electrode 131 is disposed on the inner peripheral surface of the pressing cuff 141.
  • the inner peripheral surface of the pressing cuff 141 is the inner peripheral surface 121A of the belt 121.
  • FIG. 4 illustrates a hardware configuration of a control system of the measuring apparatus 100.
  • the control unit 101 in addition to the display device 106, the input device 107, and the electrode 132, the control unit 101, the storage unit 105, the acceleration sensor 108, the speaker 109, the communication interface 110 , A battery 111, a signal processing circuit 133, a pressure sensor 142, a pump 143, a valve 144, an oscillation circuit 145, a pump driving circuit 146, and a valve driving circuit 147.
  • the electrode 131 and the pressing cuff 141 are provided on the belt 121.
  • the control unit 101 includes a CPU (Central Processing Unit) 102, a RAM (Random Access Memory) 103, a ROM (Read Only Memory) 104, and controls each component.
  • the storage unit 105 is, for example, an auxiliary storage device such as a semiconductor memory (for example, a flash memory), and stores a program executed by the control unit 101, setting data necessary for executing the program, measurement data of an electrocardiogram, and blood pressure. Non-temporarily stores measurement data and the like.
  • the storage medium included in the storage unit 105 stores information such as a program stored in an electronic, magnetic, optical, mechanical, or chemical It is a medium that accumulates through the action. Note that a part or all of the program may be stored in the ROM 104.
  • the display device 106 is controlled by the control unit 101 and displays information such as a blood pressure measurement result.
  • the display device 106 is, for example, an organic EL (Electro-Luminescence) display.
  • the organic EL display may be referred to as an OLED (Organic Light Emitting Diode) display.
  • the display device 106 may be another type of display device, for example, a liquid crystal display (LCD).
  • the input device 107 allows the user to input an instruction to the measuring device 100.
  • the input device 107 receives an operation by a user, for example, an operation corresponding to an instruction to start measurement.
  • the input device 107 includes, for example, a plurality of push buttons.
  • the input device 107 may be a touch panel provided on the screen of the display device 106.
  • the acceleration sensor 108 is, for example, a three-axis acceleration sensor, and outputs acceleration signals representing accelerations in three directions orthogonal to each other.
  • the speaker 109 is supplied with an audio signal from the control unit 101 and converts the audio signal into sound.
  • the communication interface 110 is an interface for communicating with an external device.
  • the communication interface 110 includes, for example, a short-range wireless module such as a Bluetooth (registered trademark) module or a BLE (Bluetooth Low Energy) module, and directly communicates with a terminal device (for example, a smartphone) owned by the user.
  • the communication interface 110 may include another wireless module such as a wireless LAN (Local Area Network) module instead of or in addition to the short-range wireless module.
  • the communication interface 110 communicates with an external device via a communication network such as the Internet using a wireless LAN module.
  • the communication interface 110 may include a terminal such as a micro USB (Universal Serial Bus) connector, and may communicate with an external device via a cable such as a USB cable.
  • a terminal such as a micro USB (Universal Serial Bus) connector
  • the battery 111 supplies power to each component housed in the main body 123.
  • the battery 111 is, for example, a rechargeable battery.
  • the signal processing circuit 133 includes an instrumentation amplifier 134, a low-pass filter (LPF) 135, an amplifier 136, and an analog-to-digital converter (ADC) 137.
  • the instrumentation amplifier 134 has two input terminals, and the electrodes 131 and 132 are connected to these input terminals, respectively.
  • the instrumentation amplifier 134 differentially amplifies the potential of the electrode 131 and the potential of the electrode 132, and generates a potential difference signal according to the potential difference between the electrode 131 and the electrode 132.
  • the instrumentation amplifier 134 is an example of a potential difference signal generation unit that generates a potential difference signal indicating a potential difference between the electrode 131 and the electrode 132.
  • the potential difference signal is filtered by the LPF 135, amplified by the amplifier 136, and converted into a digital signal by the ADC 137.
  • the LPF 135 is an example of a filter for removing noise included in the potential difference signal.
  • the control unit 101 acquires a potential difference signal output in time series from the signal processing circuit 133 as an electrocardiogram.
  • the pump 143 and the valve 144 are connected to the pressing cuff 141 via a pipe 149, and the pressure sensor 142 is connected to the pressing cuff 141 via a pipe 148.
  • the pipes 148 and 149 may be a single common pipe.
  • the pump 143 is, for example, a piezoelectric pump, and supplies air as a fluid to the pressing cuff 141 through the pipe 148 in order to increase the pressure in the pressing cuff 141.
  • the pump drive circuit 146 is controlled by the control unit 101 and drives the pump 143.
  • the valve drive circuit 147 is controlled by the control unit 101 and drives the valve 144. When the valve 144 is open, the pressing cuff 141 communicates with the atmosphere.
  • the valve 144 functions as a check valve, and no air flows into the pressing cuff 141 through the valve 144.
  • the pressure sensor 142 is, for example, a piezoresistive pressure sensor, detects a pressure in the pressing cuff 141 (hereinafter, also referred to as a cuff pressure), and outputs an electric signal indicating the cuff pressure.
  • the cuff pressure is, for example, a pressure based on the atmospheric pressure.
  • the oscillation circuit 145 oscillates based on the electric signal from the pressure sensor 142 and outputs a frequency signal having a frequency corresponding to the electric signal to the control unit 101.
  • the output of pressure sensor 142 is used to control the pressure of pressure cuff 141 and to calculate blood pressure values (including systolic blood pressure (SBP) and diastolic blood pressure (DBP)) by oscillometric methods. Used.
  • SBP systolic blood pressure
  • DBP diastolic blood pressure
  • control unit 101 may include a plurality of processors.
  • measuring device 100 may include an angular velocity sensor. The output of the angular velocity sensor can be used to detect whether or not the user has a posture suitable for blood pressure measurement.
  • the measuring device 100 includes an input unit 151, a display control unit 152, an electrocardiogram measurement control unit 153, an electrocardiogram acquisition unit 154, a blood pressure measurement control unit 155, a blood pressure value calculation unit 156, a measurement end detection unit 157, and a posture. It includes a detection unit 158, a notification unit 159, an instruction unit 160, an electrocardiogram storage unit 171, and a blood pressure value storage unit 172.
  • Input unit 151, display control unit 152, electrocardiogram measurement control unit 153, electrocardiogram acquisition unit 154, blood pressure measurement control unit 155, blood pressure value calculation unit 156, measurement end detection unit 157, posture detection unit 158, notification unit 159, and instruction unit 160 executes the following processing when the control unit 101 of the measurement apparatus 100 executes a program stored in the storage unit 105.
  • the control unit 101 executes the program, the control unit 101 loads the program on the RAM 103.
  • the control unit 101 controls the components by interpreting and executing the program developed on the RAM 103 by the CPU 102.
  • the electrocardiogram storage unit 171 and the blood pressure value storage unit 172 are provided in the storage unit 105.
  • the input unit 151 receives an input from a user.
  • the input unit 151 receives from the input device 107 an operation signal corresponding to an operation performed by the user on the input device 107, and determines the content of the instruction input by the user based on the operation signal.
  • the instruction is, for example, for instructing the start of the ECG measurement, for instructing the start of the blood pressure measurement, for instructing the stop of the ECG measurement, for instructing the stop of the blood pressure measurement, for the measurement.
  • the input unit 151 provides a measurement start instruction signal for instructing the start of the measurement to the electrocardiogram measurement control unit 153.
  • the input unit 151 provides the blood pressure measurement control unit 155 with a measurement end instruction signal instructing the stop of the measurement.
  • the display control unit 152 controls the display device 106 to display information on the display device 106. For example, the display control unit 152 receives a message from the notification unit 159 and causes the display device 106 to display the message. The display control unit 152 receives the message from the instruction unit 160 and causes the display device 106 to display the message. The display control unit 152 causes the display device 106 to display the blood pressure measurement result after the blood pressure measurement.
  • the electrocardiogram measurement control section 153 controls operations related to electrocardiogram measurement.
  • the electrocardiogram measurement controller 153 drives the signal processing circuit 133 to perform electrocardiogram measurement. For example, when receiving the measurement start instruction signal from the input unit 151, the electrocardiogram measurement control unit 153 drives the signal processing circuit 133.
  • the electrocardiogram acquisition section 154 acquires a potential difference signal output in time series from the signal processing circuit 133 as an electrocardiogram, and stores the electrocardiogram in the electrocardiogram storage section 171 in association with time information.
  • the blood pressure measurement control unit 155 controls operations related to blood pressure measurement.
  • the blood pressure measurement control unit 155 controls the pump drive circuit 146 and the valve drive circuit 147 to perform blood pressure measurement by the oscillometric method.
  • the blood pressure measurement control unit 155 closes the valve 144 via the valve drive circuit 147 and drives the pump 143 via the pump drive circuit 146. Thereby, supply of air to the pressing cuff 141 is started.
  • the pressing cuff 141 is inflated, and the left wrist of the user is pressed.
  • the blood pressure measurement control unit 155 stops the pump 143 via the pump drive circuit 146 and opens the valve 144 via the valve drive circuit 147.
  • the blood pressure measurement control unit 155 monitors the cuff pressure using the pressure sensor 142. When the cuff pressure exceeds the upper limit pressure before the calculation of the blood pressure value by the blood pressure value calculation unit 156 is completed, the blood pressure measurement control unit 155 stops the pump 143 via the pump drive circuit 146, and the valve drive circuit The valve 144 is opened via 147.
  • the upper limit pressure is determined in advance from the viewpoint of safety. The upper limit pressure is set to, for example, 300 mmHg.
  • the blood pressure value calculation unit 156 calculates a blood pressure value by an oscillometric method based on a pressure signal output from the pressure sensor 142 during a pressurization process of supplying air to the press cuff 141.
  • Blood pressure values include, but are not limited to, systolic blood pressure (SBP) and diastolic blood pressure (DBP).
  • SBP systolic blood pressure
  • DBP diastolic blood pressure
  • the blood pressure value calculation unit 156 stores the calculated blood pressure value in the blood pressure value storage unit 172 in association with the time information.
  • the blood pressure value calculation unit 156 can calculate the pulse rate together with the blood pressure value.
  • the measurement end detection unit 157 detects that the electrocardiogram measurement has been completed. For example, the measurement end detection unit 157 measures the time elapsed since the start of the ECG measurement.
  • the start of the electrocardiogram measurement is, for example, the timing when the right hand of the user contacts the electrode 132. The contact of the right hand of the user with the electrode 132 can be detected based on, for example, a potential difference signal output from the signal processing circuit 133.
  • the measurement end detection unit 157 determines that the electrocardiogram measurement has ended when a predetermined period (for example, 30 seconds) has elapsed since the start of the electrocardiogram measurement.
  • the measurement end detection unit 157 gives a notification signal notifying that the electrocardiogram measurement has ended to the electrocardiogram measurement control unit 153, the blood pressure measurement control unit 155, the posture detection unit 158, the notification unit 159, and the instruction unit 160.
  • the electrocardiogram measurement control unit 153 stops the signal processing circuit 133. Thus, an electrocardiogram over a predetermined period is recorded.
  • the measurement end detection unit 157 may determine that the electrocardiogram measurement has ended when the user removes the right hand from the electrode 132 after a predetermined period has elapsed after the start of the electrocardiogram measurement. In this case, the measurement end detection unit 157 may notify the user that a predetermined period has elapsed since the start of the electrocardiogram measurement.
  • the measurement end detection unit 157 gives a notification signal to the blood pressure measurement control unit 155, the posture detection unit 158, the notification unit 159, and the instruction unit 160, and the user uses the right hand
  • a notification signal may be provided to the electrocardiogram measurement control unit 153 when the user is separated from the electronic device 132. In these cases, an electrocardiogram is recorded over the period from when the user's right hand contacts the electrode 132 to when the right hand leaves the electrode 132.
  • the posture detection unit 158 detects that the user has a posture suitable for blood pressure measurement, based on the acceleration signal output from the acceleration sensor 108.
  • the posture suitable for blood pressure measurement is, for example, a posture in which the left wrist, which is the measurement site, is at the same height as the heart as shown in FIG. As described above, in the mounted state, the main body 123 is located on the back side of the hand of the left wrist. Therefore, it is possible to determine whether or not the user is in a posture suitable for blood pressure measurement by detecting the movement or inclination of the main body 123 of the measuring device 100 based on the acceleration signal. Referring again to FIG.
  • the posture detection unit 158 when the posture detection unit 158 detects that the user is in a posture suitable for blood pressure measurement, the posture detection unit 158 outputs a detection signal indicating that the user is in a posture suitable for blood pressure measurement to the blood pressure measurement control unit. 155 and the instruction unit 160.
  • the blood pressure measurement control unit 155 starts blood pressure measurement. In other words, the blood pressure measurement control unit 155 determines that the measurement completion detection unit 157 has detected that the electrocardiogram measurement has been completed, and that the posture detection unit 158 has detected that the user has attained a posture suitable for blood pressure measurement. In response, the blood pressure measurement is started.
  • the measured value of the blood pressure deviates from the original value according to the difference in height between the heart and the measurement site (the left wrist in this example). For example, when the relative height of the measurement site with respect to the heart is 10 cm, a blood pressure difference of about 8 mmHg occurs. By performing the measurement in a posture where the left wrist is at the same height as the heart, a blood pressure difference does not occur, and thus a highly reliable measurement value can be obtained.
  • the notification unit 159 notifies the user that the blood pressure measurement is to be performed in response to the measurement completion detection unit 157 detecting that the electrocardiogram measurement has been completed. For example, the notification unit 159 emits an alert sound via the speaker 109, and causes the display device 106 to display a message that "the electrocardiogram measurement has been completed. Then, the blood pressure measurement will be started.”
  • the notification unit 159 gives the message to the display control unit 152, and the display control unit 152 causes the display device 106 to display the message.
  • the message may be voice-synthesized and output via the speaker 109.
  • the instruction unit 160 determines that the posture detection unit 158 has not detected that the user has attained a posture suitable for blood pressure measurement until a predetermined period (for example, 15 seconds) has elapsed since the end of the electrocardiogram measurement. Instruct the user to take a posture suitable for blood pressure measurement.
  • the instruction unit 160 receives the notification signal from the measurement end detection unit 157, and measures the time elapsed since the end of the electrocardiogram measurement.
  • the instruction unit 160 instructs the user when the detection signal has not been received from the posture detection unit 158 until a predetermined period has elapsed since the end of the electrocardiogram measurement.
  • the instruction unit 160 emits an alert sound via the speaker 109, for example, and causes the display device 106 to display a message “Please take a posture for blood pressure measurement”.
  • the instruction unit 160 gives the message to the display control unit 152, and the display control unit 152 causes the display device 106 to display the message.
  • the message may be voice-synthesized and output via the speaker 109.
  • the functions of the measuring device 100 are realized by a general-purpose processor. However, some or all of the functions may be realized by one or more dedicated processors.
  • FIG. 7 illustrates an operation flow when the measurement device 100 performs the blood pressure measurement subsequent to the electrocardiogram measurement.
  • the control unit 101 of the measuring device 100 measures the electrocardiogram of the user. For example, when the user instructs the start of the electrocardiogram measurement via the input device 107, the control unit 101 operates as the electrocardiogram measurement control unit 153 to drive the signal processing circuit 133. At this time, the control unit 101 may operate as the display control unit 152 to cause the display device 106 to display a message urging the right hand to touch the electrode. Then, the control unit 101 operates as the electrocardiogram obtaining unit 154, and obtains, as an electrocardiogram, a potential difference signal output from the signal processing circuit 133 in time series based on the potential difference between the electrode 131 and the electrode 132.
  • step S12 the control unit 101 operates as the measurement end detection unit 157, and detects that the measurement of the electrocardiogram has ended. For example, when a predetermined period (for example, 30 seconds) has elapsed since the start of the electrocardiogram measurement, the control section 101 determines that the electrocardiogram measurement has been completed, and then stops the signal processing circuit 133.
  • a predetermined period for example, 30 seconds
  • step S13 the control unit 101 operates as the notification unit 159 to notify the user that blood pressure measurement is to be performed.
  • the control unit 101 emits an alert sound via the speaker 109 and / or causes the display device 106 to display a message indicating that a blood pressure measurement is to be performed.
  • step S14 the control unit 101 operates as the posture detection unit 158 to determine whether the user has taken a posture suitable for blood pressure measurement. If the user has not taken a posture suitable for blood pressure measurement until a predetermined period (for example, 15 seconds) has elapsed since the end of the electrocardiogram measurement, the process proceeds to step S15.
  • the control unit 101 operates as the instruction unit 160, and instructs the user to take a posture suitable for blood pressure measurement. For example, the control unit 101 emits an alert sound through the speaker 109 and causes the display device 106 to display a message prompting the user to take a posture suitable for blood pressure measurement.
  • step S16 the control unit 101 operates as the posture detection unit 158 to determine whether the user has taken a posture suitable for blood pressure measurement. If the user does not take a posture suitable for blood pressure measurement until a predetermined period (for example, 10 seconds) has elapsed after the notification, the process ends without performing the blood pressure measurement.
  • a predetermined period for example, 10 seconds
  • step S17 the control unit 101 operates as the blood pressure measurement control unit 155 and the blood pressure value calculation unit 156 to measure the blood pressure of the user.
  • the blood pressure measurement will be described later with reference to FIG. In this way, the measurement device 100 executes the blood pressure measurement following the electrocardiogram measurement.
  • FIG. 8 illustrates an operation flow when the measuring device 100 performs the blood pressure measurement by the oscillometric method.
  • the control unit 101 responds, for example, in response to the user taking a posture suitable for blood pressure measurement, or in response to the user instructing the start of blood pressure measurement via the input device 107, in response to the oscillometric method. Start blood pressure measurement by.
  • step S21 of FIG. 8 the control unit 101 operates as the blood pressure measurement control unit 155 to perform initialization for blood pressure measurement. For example, the control unit 101 initializes a processing memory area. Further, the control unit 101 opens the valve 144 via the valve drive circuit 147. Thereby, the air in the pressing cuff 141 is exhausted. Subsequently, the control unit 101 sets the current output value of the pressure sensor 142 as a reference value related to the cuff pressure.
  • step S22 the control unit 101 operates as the blood pressure measurement control unit 155 to perform control to press the pressing cuff 141.
  • the control unit 101 closes the valve 144 via the valve drive circuit 147 and drives the pump 143 via the pump drive circuit 146.
  • air is supplied to the pressing cuff 141, and the pressing cuff 141 expands, and the cuff pressure Pc gradually increases as shown in FIG.
  • the control unit 101 monitors the cuff pressure Pc by the pressure sensor 142 and acquires a pulse wave signal Pm representing a fluctuation component of the arterial volume.
  • step S23 in FIG. 8 the control unit 101 operates as the blood pressure value calculation unit 156 to calculate the blood pressure values (systolic blood pressure and diastolic blood pressure) based on the pulse wave signal Pm acquired at this time. Try. At this point, if the blood pressure value cannot be calculated due to insufficient data (No in step S24), the processes in steps S22 to S24 are repeated unless the cuff pressure Pc has reached the upper limit pressure.
  • step S25 the control unit 101 operates as the blood pressure measurement control unit 155, stops the pump 143 via the pump drive circuit 146, and stops the valve drive circuit 147. The valve 144 is opened via. Thereby, the air in the pressing cuff 141 is exhausted.
  • step S26 the control unit 101 displays the blood pressure measurement result on the display device 106 and records it in the storage unit 105.
  • the processing procedure shown in FIG. 7 or FIG. 8 is merely an example, and the processing procedure can be changed as appropriate.
  • the control unit 101 may give the instruction again.
  • the control unit 101 may measure the blood pressure of the user.
  • the control unit 101 may add information indicating that the user has not taken a posture suitable for blood pressure measurement to the blood pressure measurement result.
  • the calculation of the blood pressure value is performed in the pressurizing process in which air is supplied to the pressing cuff 141 in FIG. 8, but may be performed in the depressurizing process in which the air in the pressing cuff 141 is exhausted.
  • the measurement device 100 determines whether or not the electrocardiogram measurement has been completed, and determines whether or not the user has taken a posture suitable for blood pressure measurement when it has been determined that the electrocardiogram measurement has been completed. Then, when it is determined that the user has taken a posture suitable for blood pressure measurement, blood pressure measurement is performed. Therefore, the blood pressure measurement is performed after the electrocardiogram measurement is completed without the user instructing the start of the blood pressure measurement. Thereby, it is possible to prevent the user from forgetting to measure the blood pressure after measuring the electrocardiogram. Furthermore, since the electrocardiograph and the sphygmomanometer are integrated, it is possible to measure both the electrocardiogram and the blood pressure simply by wearing one device, which is convenient for the user. Since the blood pressure measurement is performed in a state where the user takes a posture suitable for the blood pressure measurement, the reliability of the blood pressure measurement value is high.
  • the measuring device 100 notifies the user of performing the blood pressure measurement in response to the completion of the electrocardiogram measurement. Thereby, the user can grasp the start of the blood pressure measurement and take a posture suitable for the blood pressure measurement.
  • measurement device 100 instructs the user to take a posture suitable for blood pressure measurement. Thereby, the blood pressure measurement can be performed in a state where the user is in a posture suitable for the blood pressure measurement. As a result, a highly reliable blood pressure measurement value can be obtained.
  • the measuring device according to the second embodiment can have the same hardware configuration as the hardware configuration (shown in FIGS. 2 to 4) of the measuring device 100 according to the first embodiment.
  • the measuring device according to the second embodiment includes a control unit 101 including a CPU 102, a RAM 103, a ROM 104, and the like, a storage unit 105, a display device 106, an input device 107, an acceleration sensor 108, a speaker 109, a communication interface 110 , A battery 111, a belt section 120, an electrode 131, an electrode 132, a signal processing circuit 133, a pressure sensor 142, a pump 143, a valve 144, an oscillation circuit 145, a pump driving circuit 146, and a valve driving circuit 147. Since these components have been described above with reference to FIGS. 2 to 4, the description will be omitted.
  • the measurement device 200 includes an input unit 251, a display control unit 252, an electrocardiogram measurement control unit 253, an electrocardiogram acquisition unit 254, a blood pressure measurement control unit 255, a blood pressure value calculation unit 256, a measurement end detection unit 257, and a posture.
  • a detection unit 258, a notification unit 259, an instruction unit 260, a contact detection unit 261, an electrocardiogram storage unit 271, and a blood pressure value storage unit 272 are provided.
  • the contact detection unit 261 executes the following processing when the control unit 101 of the measurement device 200 executes the program stored in the storage unit 105.
  • the control unit 101 executes the program, the control unit 101 loads the program on the RAM 103.
  • the control unit 101 controls the components by interpreting and executing the program developed on the RAM 103 by the CPU 102.
  • the electrocardiogram storage unit 271 and the blood pressure value storage unit 272 are realized by the storage unit 105.
  • the input unit 251 receives an input from a user. For example, when the user instructs the start of blood pressure measurement by operating the input device 107, the input unit 251 provides a measurement start instruction signal to the blood pressure measurement control unit 255 and the posture detection unit 258. When the user instructs to stop the measurement during the electrocardiogram measurement, the input unit 251 provides a measurement end instruction signal to the electrocardiogram measurement control unit 253.
  • the display control unit 252 controls the display device 106. For example, the display control unit 252 receives a message from the notification unit 259 and causes the display device 106 to display the message. The display control unit 252 receives the message from the instruction unit 260 and causes the display device 106 to display the message. The display control unit 252 causes the display device 106 to display the blood pressure measurement result after the blood pressure measurement.
  • the electrocardiogram measurement control section 253 controls operations related to electrocardiogram measurement.
  • the electrocardiogram measurement controller 253 drives the signal processing circuit 133 to perform electrocardiogram measurement.
  • the electrocardiogram acquisition unit 254 acquires a potential difference signal output in time series from the signal processing circuit 133 as an electrocardiogram, and stores the electrocardiogram in the electrocardiogram storage unit 271 in association with time information.
  • the posture detection unit 258 detects that the user is in a posture suitable for blood pressure measurement, similarly to the posture detection unit 158 (FIG. 5) of the first embodiment. When detecting that the user is in a posture suitable for blood pressure measurement, the posture detection unit 258 provides a detection signal indicating that the user is in a posture suitable for blood pressure measurement to the blood pressure measurement control unit 255.
  • the blood pressure measurement control unit 255 controls operations related to blood pressure measurement.
  • the blood pressure measurement control section 255 controls the pump drive circuit 146 and the valve drive circuit 147 to measure blood pressure by the oscillometric method. For example, when receiving the measurement start instruction signal from the input unit 251, the blood pressure measurement control unit 255 starts blood pressure measurement. Specifically, blood pressure measurement control section 255 performs initialization for blood pressure measurement. Then, when receiving the detection signal from the posture detecting unit 258, the blood pressure measurement control unit 255 closes the valve 144 via the valve driving circuit 147 and drives the pump 143 via the pump driving circuit 146. The blood pressure measurement control unit 255 performs blood pressure measurement in the same manner as the blood pressure measurement control unit 155 (FIG. 5) of the first embodiment.
  • the blood pressure value calculation unit 256 calculates a blood pressure value in the same manner as the blood pressure value calculation unit 156 (FIG. 5) of the first embodiment, and stores the calculated blood pressure value in the blood pressure value storage unit 272 in association with time information. Let it.
  • the measurement end detection unit 257 detects that the blood pressure measurement has ended. For example, the measurement end detection unit 257 determines that the blood pressure measurement has ended when the cuff pressure falls below a pressure threshold (for example, 10 mmHg) after the blood pressure value calculation unit 256 calculates the blood pressure value. The measurement end detection unit 257 may determine that the blood pressure measurement has ended when the blood pressure value calculation unit 256 has calculated the blood pressure value. The measurement end detection unit 257 provides a notification signal notifying that the blood pressure measurement has ended to the electrocardiogram measurement control unit 253, the notification unit 259, the instruction unit 260, and the contact detection unit 261. The electrocardiogram measurement controller 253 drives the signal processing circuit 133 upon receiving the notification signal from the measurement end detector 257.
  • a pressure threshold for example, 10 mmHg
  • the notification unit 259 When the notification unit 259 receives the notification signal from the measurement end detection unit 257, that is, in response to the measurement end detection unit 257 detecting that the blood pressure measurement has ended, the notification unit 259 notifies the user that the electrocardiogram measurement is to be performed. .
  • the notification unit 259 emits an alert sound via the speaker 109, for example, and causes the display device 106 to display a message that "blood pressure measurement has been completed. Then, electrocardiogram measurement will be started.”
  • the notification unit 259 gives the message to the display control unit 252, and the display control unit 252 causes the display device 106 to display the message.
  • the message may be voice-synthesized and output via the speaker 109.
  • the contact detection unit 261 detects that the user (specifically, the right hand of the user) has contacted the electrode 132.
  • the contact of the user with the electrode 132 can be detected based on, for example, a potential difference signal output from the signal processing circuit 133.
  • the contact detection unit 261 provides a detection signal indicating that the user has touched the electrode 132 to the electrocardiogram measurement control unit 253 and the instruction unit 260.
  • the instruction unit 260 detects that the user has contacted the electrode 132 by a predetermined period (for example, 15 seconds) after the measurement completion detection unit 257 detects that the blood pressure measurement has been completed. If not, the user is instructed to touch the electrode 132 with the right hand.
  • the instruction unit 260 receives the notification signal from the measurement end detection unit 257, and measures the time elapsed since the end of the electrocardiogram measurement.
  • the instruction unit 260 gives an instruction to the user when the detection signal has not been received from the contact detection unit 261 before the predetermined period elapses after the blood pressure measurement ends.
  • the instruction unit 260 emits an alert sound via the speaker 109, for example, and causes the display device 106 to display a message “Touch the electrode with your right finger”.
  • the instruction unit 260 gives a message to the display control unit 252, and the display control unit 252 causes the display device 106 to display the message.
  • the message may be voice-synthesized and output via the speaker 109.
  • the functions of the measuring device 100 are realized by a general-purpose processor. However, some or all of the functions may be realized by one or more dedicated processors.
  • FIG. 11 illustrates an operation flow when the measurement device 100 performs an electrocardiogram measurement subsequent to the blood pressure measurement.
  • the control unit 101 of the measuring device 200 measures the blood pressure of the user. For example, when the user instructs to start measurement via the input device 107, the control unit 101 operates as the posture detection unit 158 to determine whether the user has taken a posture suitable for blood pressure measurement. When the user takes a posture suitable for blood pressure measurement, the control unit 101 operates as the blood pressure measurement control unit 255 and controls the pump drive circuit 146 and the valve drive circuit 147 to perform blood pressure measurement by the oscillometric method. .
  • step S32 the control unit 101 operates as the measurement end detection unit 257, and detects that the blood pressure measurement has ended. For example, after calculating the blood pressure value, the control unit 101 stops the pump 143 via the pump driving circuit 146 and opens the valve 144 via the valve driving circuit 147. Thereby, air is discharged from the pressing cuff 141. The controller 101 determines that the blood pressure measurement has been completed when the cuff pressure falls below a pressure threshold (for example, 10 mmHg).
  • a pressure threshold for example, 10 mmHg
  • step S33 the control unit 101 operates as the notification unit 259, and notifies the user that the electrocardiogram measurement is performed. For example, the control unit 101 emits an alert sound via the speaker 109 and / or causes the display device 106 to display a message indicating that an electrocardiogram measurement is to be performed.
  • step S34 the control unit 101 operates as the electrocardiogram measurement control unit 253 to drive the signal processing circuit 133.
  • step S35 the control unit 101 operates as the contact detection unit 261 to determine whether the right hand of the user has contacted the electrode 132. If the user's right hand has not contacted the electrode 132 before the elapse of a predetermined period (for example, 15 seconds) from the end of the blood pressure measurement, the process proceeds to step S36.
  • step S36 the control unit 101 operates as the instruction unit 260, and instructs the user to touch the electrode 132 with the right hand. For example, the control unit 101 outputs an alert sound through a speaker and causes the display device 106 to display a message prompting the user to touch the electrode 132 with the right hand.
  • step S37 the control unit 101 operates as the contact detection unit 261 to determine whether the right hand of the user has contacted the electrode 132. If the user's right hand has not contacted the electrode 132 before a predetermined period (for example, 10 seconds) has elapsed since the notification, the process proceeds to step S39.
  • step S39 the control unit 101 operates as the electrocardiogram measurement control unit 253, and stops the signal processing circuit 133. In this case, the process ends without performing the electrocardiogram measurement.
  • step S38 the control unit 101 operates as the electrocardiogram obtaining unit 254 to obtain the user's electrocardiogram. After the measurement of the electrocardiogram is performed for a predetermined period (for example, 30 seconds), in step S39, the control unit 101 operates as the electrocardiogram measurement control unit 253 and stops the signal processing circuit 133.
  • measuring device 200 executes blood pressure measurement subsequent to electrocardiogram measurement.
  • processing procedure shown in FIG. 11 is merely an example, and the processing procedure can be changed as appropriate. For example, if the user's right hand has not contacted the electrode 132 before the elapse of the predetermined period from the notification in step S36 in FIG. 11, the control unit 101 may perform the notification again. The process of step S34 may be performed before the process of step S33.
  • the measuring device 200 determines whether or not the blood pressure measurement has been completed, and performs an electrocardiogram measurement when determining that the blood pressure measurement has been completed. Therefore, the ECG measurement is performed after the blood pressure measurement is completed without the user instructing the start of the ECG measurement. Thereby, it is possible to prevent the user from forgetting to measure the electrocardiogram after measuring the blood pressure. Furthermore, since the electrocardiograph and the sphygmomanometer are integrated, it is possible to measure both the electrocardiogram and the blood pressure simply by wearing one device, which is convenient for the user.
  • the measuring device 200 notifies the user of performing the electrocardiogram measurement in response to the completion of the blood pressure measurement.
  • the user can grasp the start of the electrocardiogram measurement and touch the electrode 132 with the right hand.
  • the measuring device 100 instructs the user to touch the electrode 132 with the right hand. This makes it possible to more reliably perform the electrocardiogram measurement.
  • the posture detection unit 158 may be deleted.
  • the blood pressure measurement control unit 155 starts blood pressure measurement in response to the measurement end detection unit 157 detecting that the electrocardiogram measurement has been completed.
  • the measurement device 100 may further include a height detection unit that detects a relative height of the measurement site with respect to the heart, and the blood pressure measurement value is based on the height detected by the height detection unit. It may be corrected.
  • the user may press a button for starting blood pressure measurement after taking a posture suitable for blood pressure measurement.
  • the posture detection unit 258 may be omitted.
  • the measurement site is not limited to the wrist.
  • the measurement site may be any site on the upper limb such as the upper arm.
  • the upper arm is located at approximately the same height as the heart. Therefore, when the measurement site is the upper arm, the user does not need to take the posture shown in FIG. 6 when measuring the blood pressure. Therefore, in the measuring device 100 according to the first embodiment, the posture detection unit 158, the notification unit 159, and the instruction unit 160 may be deleted. Furthermore, there is no need to correct blood pressure measurements.
  • the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying constituent elements in an implementation stage without departing from the scope of the invention.
  • Various inventions can be formed by appropriately combining a plurality of constituent elements disclosed in the above embodiments. For example, some components may be deleted from all the components shown in the embodiment. Further, components of different embodiments may be appropriately combined.
  • a measuring device (200) comprising:
  • Electrode 133 Signal processing circuit 134 ... Instrumentation amplifier 135 ... Low-pass filter 136 ... Amplifier 137 ... Analog-to-digital conversion Instrument 141 ... Pressing cuff 142 ... Pressure sensor 143 ... Pump 144 ... Valve 145 ... Oscillation circuit 146 ... Pump driving circuit 147 ... Valve driving circuit 148,149 ... Piping 151 ... Input unit 152 ... Display control unit 153 ... Electrocardiogram measurement control unit 154 ... Electrocardiogram acquisition unit 155 ... Blood pressure measurement control unit 56: blood pressure value calculation unit 157 ... measurement end detection unit 158 ... posture detection unit 159 ... notification unit 160 ... instruction unit 171 ... electrocardiogram storage unit 172 ...
  • blood pressure value storage unit 200 ... measurement device 251 ... input unit 252 ... display control unit 253 ... Electrocardiogram measurement control unit 254 ... Electrocardiogram acquisition unit 255 ... Blood pressure measurement control unit 256 ... Blood pressure value calculation unit 257 ... Measurement end detection unit 258 ... Attitude detection unit 259 ... Notification unit 260 ... Instruction unit 261 ... Contact detection unit 271 ... Electrocardiogram storage Unit 272: blood pressure value storage unit 200 ... measurement device 251 ... input unit 252 ... display control unit 253 ... Electrocardiogram measurement control unit 254 ... Electrocardiogram acquisition unit 255 ... Blood pressure measurement control unit 256 ... Blood pressure value calculation unit 257 ... Measurement end detection unit 258 ... Attitude detection unit 259 ... Notification unit 260 ... Instruction unit 261 ... Contact detection unit 271 ... Electrocardiogram storage Unit 272: blood pressure value storage unit

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WO2023248525A1 (ja) * 2022-06-23 2023-12-28 オムロンヘルスケア株式会社 生体情報測定装置、生体情報測定装置の制御方法及びプログラム
WO2023248522A1 (ja) * 2022-06-23 2023-12-28 オムロンヘルスケア株式会社 生体情報測定装置、生体情報測定装置の制御方法及びプログラム

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