WO2017038966A1 - Dispositif de sortie d'informations biologiques, procédé de sortie d'informations biologiques, et programme - Google Patents

Dispositif de sortie d'informations biologiques, procédé de sortie d'informations biologiques, et programme Download PDF

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Publication number
WO2017038966A1
WO2017038966A1 PCT/JP2016/075768 JP2016075768W WO2017038966A1 WO 2017038966 A1 WO2017038966 A1 WO 2017038966A1 JP 2016075768 W JP2016075768 W JP 2016075768W WO 2017038966 A1 WO2017038966 A1 WO 2017038966A1
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Prior art keywords
reliability
biological information
biological
information
subject
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PCT/JP2016/075768
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English (en)
Japanese (ja)
Inventor
貴政 木暮
俊秀 椎野
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パラマウントベッド株式会社
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Priority claimed from JP2016171167A external-priority patent/JP6697985B2/ja
Application filed by パラマウントベッド株式会社 filed Critical パラマウントベッド株式会社
Priority to US15/757,484 priority Critical patent/US11096589B2/en
Publication of WO2017038966A1 publication Critical patent/WO2017038966A1/fr
Priority to US17/378,035 priority patent/US11963744B2/en

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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 pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/0245—Detecting, measuring or recording pulse rate or heart rate by using sensing means generating electric signals, i.e. ECG signals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording 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, mobility of a limb
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording 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, mobility of a limb
    • A61B5/113—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb occurring during breathing

Definitions

  • the present invention relates to a biological information output device and the like.
  • Various devices are known for displaying and recording biological information such as heart rate and respiration rate of a patient who is a subject.
  • a wearable electrocardiograph or a respiratory examination device that is worn on the patient, or a non-wearable device that measures by vibration or the like is known.
  • JP 2011-206285 A Japanese Patent Laid-Open No. 7-284482
  • the calculated biological information (respiration rate, heart rate, etc.) is reliable unless there is excessive noise in the measurement data due to large body movements or wearing off, or when the input signal is extremely small. All are displayed regardless of whether it is high or low. For example, even in the above-described patent document, since the reliability of the calculated biological information is displayed without being judged, it has not been understood how much the displayed biological information can be trusted. Furthermore, there are many devices that continue to display previous values even when excessive noise is mixed.
  • the accuracy of the displayed / recorded data is higher than the display / recording of biological information with low reliability. It is preferable not to record.
  • the present invention aims to output only reliable biological information out of the calculated biological information or perform identification display by reliability, thereby achieving reliability. It is to provide a biological information output device or the like that can be easily determined as high biological information.
  • the biological information output device of the present invention is A biological signal acquisition means for acquiring a biological signal of the subject; Biological information calculation means for calculating biological information from the acquired biological signal; Reliability determination means for determining the reliability of the calculated biological information; Biometric information output means that outputs the biological information when the reliability determination means determines that the reliability is high, and does not output the biological information when it is determined that the reliability is low; It is characterized by providing.
  • the biological information output device of the present invention is A biological signal acquisition means for acquiring a biological signal of the subject; Reliability determination means for determining the reliability of the biological information calculated by the biological information calculation means; Biometric information output means for outputting information related to reliability determined by the reliability determination means in addition to the biometric information as reliability information; It is characterized by providing.
  • the biological information output method of the present invention includes: A biological signal acquisition step of acquiring a biological signal of the subject; A reliability determination step of determining the reliability of the biological information calculated by the biological information calculation means; When it is determined that the reliability is high by the reliability determination step, the biological information is output, and when it is determined that the reliability is low, the biological information output step that does not output the biological information; It is characterized by having.
  • the biological information is calculated from the biological signal of the subject.
  • the reliability of the calculated biological information is determined, and when the reliability determining unit determines that the reliability is high, the biological information is output, but when the reliability is determined to be low, the biological information is output. Will not. Thereby, a user who uses biometric information can use only highly reliable biometric information.
  • reliability information may be output as reliability information added to biological information.
  • the user can use not only highly reliable biometric information but also the user according to the reliability when he / she wants to use it even if the reliability is low.
  • FIG. 1 is a diagram for explaining the overall outline of the biological information output system 1.
  • the biological information output system 1 includes a detection device 3 placed between a floor portion of a bed 10 and a mattress 20, and a processing device 5 for processing a value output from the detection device 3. It is configured with.
  • the detection device 3 and the processing device 5 constitute a biological information output device.
  • the detection device 3 detects body movement (vibration) as a biological signal of the patient P via the mattress 20. To detect. Based on the detected vibration, the biological information of the patient P is calculated. In the present embodiment, the calculated biological information (for example, respiratory rate, heart rate) can be output and displayed as the biological information of the patient P.
  • the detection device 3 may be integrally formed by providing a storage unit, a display unit, and the like.
  • the processing apparatus 5 may be a general-purpose apparatus, the processing apparatus 5 is not limited to an information processing apparatus such as a computer, and may be configured by an apparatus such as a tab red or a smartphone.
  • the target person may be a person who is undergoing medical treatment or needs care. Moreover, even if it is a healthy person who does not require care, it may be an elderly person, a child, a disabled person, a person, and an animal.
  • the detection device 3 is configured in a sheet shape so as to be thin. Thereby, even if it is placed between the bed 10 and the mattress 20, it can be used without making the patient P feel uncomfortable.
  • the detection apparatus 3 should just acquire the patient's P biological signal (a body motion, a respiratory motion, a cardiac motion, etc.).
  • the heart rate and the respiratory rate are acquired and calculated based on the body movement.
  • the detection is performed using an infrared sensor, or the body movement of the patient P is detected using the acquired image or the like.
  • an actuator with a strain gauge may be used.
  • the biological information output system 1 (biological information output device) will be described with reference to FIG.
  • the biological information output system 1 in the present embodiment has a configuration including a detection device 3 and a processing device 5, and each functional unit (processing) can be realized by any means other than the biological signal acquisition unit 200. good.
  • the biological information output system 1 includes a control unit 100, a biological signal acquisition unit 200, a biological information calculation unit 300, an input unit 400, an output unit 450, a storage unit 500, and a patient state acquisition unit 600. It is configured.
  • the control unit 100, the biological signal acquisition unit 200, and the storage unit 500 are provided in the detection device 3, and the control unit 100, the biological information calculation unit 300, the input unit 400, the output unit 450, and the storage
  • the unit 500 is provided in the processing device 5.
  • the patient state acquisition unit 600 may use the biological signal acquisition unit 200 or may be provided separately in the bed 10.
  • the control unit 100 is a functional unit for controlling the operation of the biological information output system 1, and is configured by a control circuit necessary for the biological information output system 1, such as a CPU.
  • the control unit 100 implements various processes by reading and executing various programs stored in the storage unit 500. In the present embodiment, the control unit 100 operates as a whole, but is provided in each of the detection device 3 and the processing device 5.
  • the biological signal acquisition unit 200 is a functional unit for acquiring a biological signal of the patient P.
  • body motion which is a type of biological signal
  • the acquired body motion is output as body motion data.
  • various biological information of the patient P can be calculated.
  • the patient's bed resting state for example, whether or not the patient P is in bed, staying in bed, getting out of bed, sitting on the edge, etc.
  • sleeping state for example, whether or not the patient P is in bed, staying in bed, getting out of bed, sitting on the edge, etc.
  • sleeping state sleep state
  • the biological signal acquisition unit 200 acquires, for example, a patient's vibration (body motion) using a pressure sensor and acquires respiration and heartbeat from the vibration, but the patient's center of gravity position (body motion) using a load sensor. ) May be used to acquire a biological signal, or by providing a microphone, biological information may be acquired based on the sound picked up by the microphone. What is necessary is just to be able to acquire a patient's biological signal using any sensor.
  • the biological signal acquisition unit 200 may be connected to a device such as the detection device 3 or may be configured to receive a biological signal from an external device.
  • the biological information calculation unit 300 is a functional unit for calculating the biological information (respiration rate, heart rate, etc.) of the patient P.
  • a respiratory component / heart rate component may be extracted from the body motion acquired from the biological signal acquisition unit 200, and the respiratory rate and heart rate may be obtained based on the respiratory interval and the heart rate interval.
  • the periodicity of body motion may be analyzed (Fourier transform or the like), and the respiration rate and heart rate may be calculated from the peak frequency.
  • the input unit 400 is a functional unit for a measurer to input various conditions and to input an operation for starting measurement.
  • it is realized by any input means such as a hardware key or a software key.
  • the output unit 450 is a functional unit for outputting biological information such as a sleep state, a heart rate, and a respiratory rate, or notifying abnormality of the biological information.
  • the output unit 450 may be a display device such as a display, or may be a notification device (sound output device) that notifies an alarm or the like. Further, it may be an external storage device that stores data, a transmission device that transmits data through a communication path, or the like. Moreover, the communication apparatus in the case of reporting to another apparatus may be sufficient.
  • the storage unit 500 is a functional unit that stores various data and programs for operating the biological information output system 1.
  • the control unit 100 implements various functions by reading and executing a program stored in the storage unit 500.
  • the storage unit 500 is configured by, for example, a semiconductor memory, a magnetic disk device, or the like.
  • biometric information data 510 is stored in the storage unit 500.
  • the biological information data 510 stores the respiratory rate and heart rate calculated from the acquired biological signal (body motion).
  • the respiratory rate and the heart rate are stored, but either one may be used.
  • Other information for example, change in respiratory amplitude may be used as long as the biological information can be calculated by the biological information calculation unit 300.
  • the patient status acquisition unit 600 is a functional unit for acquiring the patient status.
  • the patient's state (bed bed state, bed leaving / bed in, etc.) is acquired by a load sensor or the like provided on the bed 10.
  • the patient state may be acquired based on the biological signal acquired by the biological signal acquisition unit 200.
  • body movement is acquired.
  • body motion data is acquired as a type of biological signal from the biological signal acquisition unit 200 (step S102).
  • the body motion data can be acquired by detecting vibration, for example.
  • the biological information calculation unit 300 calculates biological information (step S104).
  • the body motion acquired as a biological signal is separated into a respiratory component and a heart rate component, and a heart rate and a respiratory rate are calculated as biological information.
  • various methods are conceivable as methods for calculating the heart rate and the respiration rate. For example, body motion data is filtered to extract a respiration component, and a respiration interval is obtained for each respiration. Then, the respiration rate is calculated based on the respiration interval. Further, the body motion data is filtered, the heartbeat component is extracted, and the heartbeat interval is obtained for each beat. Then, the heart rate is calculated based on the heart rate interval.
  • It may be calculated by analyzing the periodicity of body motion data and obtaining the respiration rate and heart rate from the peak frequency.
  • a value calculated based on body motion data every 5 seconds is used. Specifically, it is calculated every 5 seconds based on the heart rate and respiratory rate calculated during a predetermined time. In this embodiment, the heart rate and the respiration rate are calculated, but any one value may be calculated.
  • a reliability judgment process for judging the reliability of the calculated heart rate and respiratory rate is executed (step S106).
  • various methods can be considered as a method for calculating the reliability. In the present embodiment, for example, any one of the following methods is used.
  • Reliability evaluation is performed based on calculation conditions when calculating biological information.
  • the patient state acquisition unit 600 determines that the reliability is low, for example, when the patient is not in the bedded state, that is, when the patient is getting out of bed or when the patient is in the sitting position.
  • the external device is connected externally to a device such as a bed slip prevention air mat, it is determined that the reliability is low when the external device generates vibration. That is, the state determination means for determining the patient's state is used to perform the reliability evaluation.
  • Reliability evaluation in biological information calculation process Reliability is evaluated in the process of calculating biological information. For example, it is evaluated that the reliability is low when there are large variations in breath / inspiration and pulsation intervals (standard deviation, coefficient of variation, etc.). In addition, reliability is evaluated based on the magnitude and variation of the amplitude of the filtered waveform. That is, when there is variation in amplitude, it is evaluated that the reliability is low.
  • the heartbeat (breathing) intervals are usually almost equal within a short time. Therefore, when the variation in the heartbeat (respiration) interval is large, it is determined that there is no detection or erroneous detection, and it is evaluated that the reliability is low.
  • the reliability is evaluated based on the difference between the values calculated from the plurality of sensors. That is, it is evaluated that the reliability of the plurality of sensors is low when the difference is large.
  • the reliability should be evaluated based on the degree of protrusion of the peak of the frequency spectrum and the variation in the detection values of the values of multiple sensors. Is also possible.
  • the reliability when the average value of the past several times (for example, the calculated biometric information 5 times) is calculated and the value is far from the average value or the slope (differential value) is steep, the reliability is low. You may judge. Further, the reliability may be output in stages. For example, if the reliability is considerably low when the biometric information calculated last time is 2 times or more (or less than 1/2), 1.5 times or more and less than 2 times (or 1/2 or more and 3 minutes) Less than 2), it may be determined that the reliability is slightly low.
  • the calculated heart rate and respiratory rate exceed a predetermined threshold or less than the threshold, it is determined that the reliability is low. For example, when the respiratory rate is 0 or 1, or when the heart rate exceeds 200, it is determined that the reliability is low.
  • the threshold may be set by the measurer, or may be set according to the patient's age and health condition.
  • Step S108 when it is determined that the reliability is low, the heart rate and the respiratory rate, which are biological information, are not output (Step S108; No ⁇ Step S102). On the other hand, if it is determined that the reliability is high, the heart rate and the respiratory rate are output (step S108; Yes ⁇ step S110).
  • a destination which outputs a heart rate and a respiration rate you may display on the screen display which is an example of the output part 450, for example, and it is good also as displaying on another terminal (for example, a tablet, a smart phone, etc.). Further, it may be transmitted to a server or a management device, or may be recorded on a recording medium. That is, the heart rate and the respiratory rate are output to any device, recording medium, and transmission destination.
  • step S112 it is determined whether or not the output heart rate and respiratory rate are abnormal (step S112). If it is determined that there is an abnormality, the abnormality is notified (step S112; Yes ⁇ step S114).
  • abnormal refers to a state in which a staff member such as a medical worker or a care worker is notified, for example, when the heart rate is higher than a predetermined threshold, when the respiratory rate is lower than a predetermined threshold, A case where the calculation frequency of the low reliability value in the section is high.
  • FIG. 4 is an example of a screen example when the output unit 450 performs screen display in the above-described embodiment.
  • the patient name for example, “Taro Yamada”
  • the heart rate for example, “75”
  • the respiratory rate for example, “22”
  • the patient state for example, “Sleep Display”
  • the heart rate is not displayed as shown in FIG.
  • the display is “ ⁇ ”, the staff or the like can confirm that the measurement is abnormal and the measurement is not performed correctly.
  • the heart rate was measured for 20 subjects.
  • the measurement condition is that the average measurement time per person is 2 hours and 16 minutes, and the total measurement time is 45 hours and 27 minutes.
  • a heart rate measuring device a non-wearable type of vibration, Paramount Bed Co., Ltd. sleep SCAN (registered trademark) capable of detecting a heartbeat, and an electrocardiograph (ECG) that measures by attaching electrodes to the body. ) was used.
  • the matching rate between the wearing type and the non-wearing type was 98.9%.
  • the measurement rate was 86.0% (39 hours 6 minutes).
  • the matching rate between the wearing type and the non-wearing type was 99.3%.
  • the measurement rate was 84.9% (38 hours 36 minutes).
  • the displayed data has a high proportion of highly accurate data. Therefore, when a staff member or the like confirms biometric information, a correct value can be confirmed. Further, when the notification process is performed according to the biological information (respiration rate, heart rate, etc.), there is an effect that unnecessary notification operation is not performed by the biological information with low reliability.
  • step S108 even if it is determined in step S108 that there is no reliability, the heart rate and respiration rate are output (step S108 ⁇ step S110). That is, when step S108 in FIG. 3 is No, the process returns to step S102, but in the present embodiment, the process proceeds to step S110.
  • reliability information that is information related to the determined reliability is output together with the output data. For example, the user can easily determine the reliability of the biological information by attaching a flag or adding an additional display.
  • the heart rate value is displayed in a “reliable state”.
  • the data is output, but since the low reliability is identified and displayed, the user can appropriately display the patient's The state can be determined.
  • the display may be changed according to the reliability information. For example, it is possible to change the display method such as black when displaying biological information with high reliability, and gray when displaying biological information with low reliability. Further, when there are a plurality of reliability levels, for example, by changing the color density, brightness, and color temperature, it is also possible to provide information related to reliability to the user.
  • step S108 For data with low reliability, it is possible to perform a process such as not performing the notification process or displaying but not recording the data. Specifically, when it is determined in step S108 that there is no reliability (step S108; No), in the present embodiment, the process proceeds to step S110.
  • step S110 the heart rate and the respiration rate are output, but by not executing the processing in steps S112 and S114, it is possible to realize a process in which abnormality notification is not performed.
  • the third embodiment is a process of storing biological information together with a process of determining reliability.
  • the flow of processing in the third embodiment is shown in FIG.
  • the process of FIG. 6 is a replacement of the process of the first embodiment shown in FIG. 3, and the same process is denoted by the same reference numeral and the description thereof is omitted.
  • the biological information (eg, heart rate / respiration rate) calculated in step S104 is stored in the storage unit 500.
  • the calculated biological information is stored regardless of the reliability, but the output biological information is reliable (step S108; Yes ⁇ step S110).
  • the reliability is determined based on the stored biological information.
  • step S202 may be executed after step S106, or may be processed in parallel with step S106.
  • the biological information is stored for use in other processes, and the reliability determination unit determines the reliability based on the biological information calculated in step S104.
  • the detection device 3 in the above-described embodiment may be simply placed on the mattress 20 to detect the body movement of the patient P.
  • a system can be simply realized by using a smartphone or the like. That is, it is sufficient if the reliability of the biological information can be determined based on the finally acquired biological signal and the calculated biological information.
  • the body movement is described as an example of the biological signal.
  • the temperature (measures the temperature of the nasal breath to calculate the respiration rate), the blood flow (measures the pulse by the amount of absorbed light).
  • Other biological signals such as and the like may be used.
  • biosignal / biological information for example, a signal such as an electroencephalogram or perspiration can be used.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
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  • Medical Informatics (AREA)
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  • General Health & Medical Sciences (AREA)
  • Cardiology (AREA)
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  • Oral & Maxillofacial Surgery (AREA)
  • Signal Processing (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

La présente invention est configurée pour déterminer la fiabilité d'informations biologiques calculées pour un sujet, délivrer les informations biologiques lorsque leur fiabilité est déterminée comme étant élevée, et ne pas délivrer les informations biologiques lorsque leur fiabilité est déterminée comme étant faible. De cette manière, seules des informations biologiques de fiabilité élevée parmi les informations biologiques calculées sont délivrées ou un affichage d'identification est réalisé selon la fiabilité, par lequel un dispositif de sortie d'informations biologiques ou analogue capable d'évaluer facilement des informations biologiques avec une fiabilité élevée peut être fourni.
PCT/JP2016/075768 2015-09-04 2016-09-02 Dispositif de sortie d'informations biologiques, procédé de sortie d'informations biologiques, et programme WO2017038966A1 (fr)

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US15/757,484 US11096589B2 (en) 2015-09-04 2016-09-02 Bio-information output device, bio-information output method and program
US17/378,035 US11963744B2 (en) 2015-09-04 2021-07-16 Bio-information output device, bio-information output method and program

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JP2015175002 2015-09-04
JP2016171167A JP6697985B2 (ja) 2015-09-04 2016-09-01 生体情報出力装置
JP2016-171167 2016-09-01

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WO2019049667A1 (fr) * 2017-09-06 2019-03-14 株式会社村上開明堂 Dispositif de détection des battements cardiaques, procédé de détection des battements cardiaques et programme
CN109549638A (zh) * 2018-11-30 2019-04-02 上海与德通讯技术有限公司 一种智能看护方法、装置、系统及存储介质
CN109846466A (zh) * 2017-11-30 2019-06-07 八乐梦医用床有限公司 异常判定装置、电子设备及计算机可读存储介质

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JP2015012948A (ja) * 2013-07-04 2015-01-22 パラマウントベッド株式会社 睡眠評価装置、睡眠評価方法及び睡眠評価プログラム

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JP2008142162A (ja) * 2006-12-07 2008-06-26 Seiko Epson Corp 腕装着型生体情報計測機器
WO2013086564A1 (fr) * 2011-12-12 2013-06-20 Medvet Science Pty Ltd Procédé et appareil destinés à la détection de l'apparition d'une hypoglycémie
WO2014196119A1 (fr) * 2013-06-06 2014-12-11 セイコーエプソン株式会社 Dispositif pour traiter des informations biologiques, et procédé pour traiter des informations biologiques
JP2015012948A (ja) * 2013-07-04 2015-01-22 パラマウントベッド株式会社 睡眠評価装置、睡眠評価方法及び睡眠評価プログラム

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019049667A1 (fr) * 2017-09-06 2019-03-14 株式会社村上開明堂 Dispositif de détection des battements cardiaques, procédé de détection des battements cardiaques et programme
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JPWO2019049667A1 (ja) * 2017-09-06 2020-12-17 株式会社村上開明堂 心拍検出装置、心拍検出方法及びプログラム
CN109846466A (zh) * 2017-11-30 2019-06-07 八乐梦医用床有限公司 异常判定装置、电子设备及计算机可读存储介质
CN109846466B (zh) * 2017-11-30 2022-09-20 八乐梦医用床有限公司 异常判定装置、电子设备及计算机可读存储介质
CN109549638A (zh) * 2018-11-30 2019-04-02 上海与德通讯技术有限公司 一种智能看护方法、装置、系统及存储介质

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