JP2007283055A - Living body monitoring and reporting apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a living body monitoring and reporting apparatus provided with a film-like sensor for detecting body movements by the heartbeat and respiration of a person and a load sensor for detecting body weight to be installed at a place to be in contact with the person such as a floor, for measuring and monitoring the heartbeat, the respiration and the body weight without putting an apparatus for measuring the heartbeat and the respiration on the body in the installed range and performing reporting when there is abnormal change in the heartbeat and the respiration. <P>SOLUTION: The living body monitoring and reporting apparatus comprises a body movement sensor for detecting the body movement of a living body, the load sensor for detecting the body weight, a heartbeat filtering means for extracting heartbeat signals, a respiration filtering means for extracting respiration signals, and a reporting judgement processing means for issuing alarm sound when the heartbeat signals and the respiration signals disappear. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

The present invention relates to a living body monitor notification device that measures a heartbeat, respiration, and weight of a living body, and detects and reports anomalies from the state of heartbeat and respiration.

In order to report that an abnormality has occurred in a human body, a device that senses the situation from an abnormality in heartbeat and breathing and reports the situation is used in hospitals and the like. In this case, there are an electrocardiograph that measures the heartbeat from a change in blood flow using an optical sensor, an electrocardiograph that measures voltage and current generated by the movement of the heart by attaching electrodes on the body surface, and the like. There are two methods for measuring respiration: a method of measuring the amount of air that enters and exits by wearing a mask-like device at the nostril, and a method of measuring by attaching a detection belt to the chest. A device is also used that reports when a person presses an emergency button.

In order to detect a change in the body, it is necessary to wear an electrode of an electrocardiograph that constantly measures heartbeats, a nose mouth mask of a device that measures respiration, and the like. Although it is indispensable in hospitals and the like, it is generally inconvenient to attach a measuring device to the body in an environment where people live daily. It is difficult to keep the measuring device on when eating, sleeping, and even taking a bath. Even a device that reports itself by pressing an emergency button or the like, it is difficult to cope with a sudden sudden change.

Therefore, in the present invention, a film sensor for detecting body motion due to a person's heartbeat and respiration and a load sensor for detecting weight are overlapped to detect the same finite surface area. The sensor for detecting the body movement and the weight is installed at a place where the person touches in the direction of gravity. In the area where this sensor is installed, the heart rate, respiration, and weight are measured and monitored without wearing a device such as an electrocardiograph that measures heart rate and respiration. An object is to provide a biological monitor reporting device that reports when there is an abnormality in heart rate and respiration.

In order to achieve the above object, the living body monitor notification device of the present invention includes body motion sensor means for detecting body movement of a living body and outputting a body movement signal, and load sensor means for detecting the body weight of the living body and outputting a body weight signal. Alarm notification means for generating an alarm sound, heartbeat filter means for extracting a heartbeat signal due to the heartbeat of the living body from the body motion signal, and breathing filter means for extracting a breathing signal due to breathing of the living body from the body motion signal; And a notification determination processing means for controlling the generation of the alarm sound from the alarm notification means when the heartbeat signal and the respiratory signal are extinguished when the weight signal is detected. .

The notification determination processing means controls the generation of the alarm sound from the alarm notification means when the heartbeat signal disappears when the weight signal is detected.

The notification determination processing means controls the generation of the alarm sound from the alarm notification means when the respiratory signal disappears based on the detection of the weight signal.

The alarm reporting means is characterized by issuing a warning by reporting data information to a remote place through a public communication line and radio waves.

The body motion sensor means and the load sensor means overlap with each other within a limited finite plane and detect body motion and body weight of a living body.

It has a heart rate display calculation means for calculating and displaying a heart rate in terms of 1 minute based on the cycle of the heart rate signal.

It has a respiration rate display calculating means for calculating and displaying the respiration rate in terms of 1 minute based on the cycle of the respiration signal.

It is characterized by having a weight display calculation means for digitizing and displaying based on the weight signal.

The weight display calculation means displays a numerical value based on the weight signal of the load sensor means during a period in which the interval between the breathing and heartbeat of the living body is detected from the respiratory signal and the heartbeat signal. It is a feature.

The weight display calculation means displays the interval between breathing of the living body in a numerical value based on the weight signal of the load sensor means during a period of detection from the breathing signal.

According to the present invention, it can be installed at a place where a person touches in the direction of gravity, such as a floor, a hallway, a living room, a seat seat, or the like of a place where a person lives daily. In the installed range, it becomes unconstrained without wearing a measuring device that detects heartbeat and respiration, and it can detect and report body changes by measuring and monitoring heartbeat and respiration in the normal life state it can. In addition, it can be installed in bathrooms and bathtubs by taking waterproof measures. In addition, not only people but also dogs and cats and animals can detect and report abnormalities caused by heartbeat and breathing. From the measurement of heart rate, respiration, and weight, health management can be performed by displaying heart rate, respiration rate, and weight, and accumulating progress data. Furthermore, regarding the measurement of body weight, accurate body weight measurement can be performed by detecting the minimum point of fluctuation of the load due to heartbeat and respiration while the body is still.

The biological monitor notification device of the present invention will be described with reference to the drawings. FIG. 1 is a diagram illustrating an outline of a sensor having a device configuration according to an embodiment. In a living body such as a human being or an animal, a body motion sensor 10 that detects body motion due to heartbeat and respiration and a load sensor 20 that detects body weight overlap each other in order to detect body motion and weight simultaneously within the same finite plane. It is in a state and has an integral structure. By using the mat-like shape, the body motion sensor 10 and the load sensor 20 can be installed at a place where a person touches in the direction of gravity. The positional relationship in which the body motion sensor 10 and the load sensor 20 are installed may be either the vertical relationship with respect to the direction of gravity. Further, the body motion sensor 10 and the load sensor 20 can be extended between the apparatus main body.

The load sensor 20 is a pressure-sensitive conductive rubber sensor for detecting and measuring the body weight, and is an element that outputs a static load as a voltage or a resistance value in a strain gauge, a load cell, or the like. A featured sensor can also be used. The body motion sensor 10 is a piezoelectric sensor made of a film-like PVDF (PolyVinyl Dene Fluoride) material for detecting and measuring body motion due to heartbeat and respiration, but is suitable for a piezo sensor, a variable load sensor, an acceleration sensor, and the like. Thus, it is also possible to use a sensor that is an element that outputs a dynamic change in load, pressure, and vibration due to body movement as a voltage. Further, if the detection ability of the load sensor 20 is highly accurate, it reacts to vibration due to body movement and appears in the output of the load signal. By differentiating the output of this load signal, it can be used as a body motion signal of a dynamic load to be obtained by the body motion sensor 10.

FIG. 2 is a block diagram illustrating an outline of the abnormality detection of the device configuration in the embodiment. Body motion due to heartbeat and respiration is detected by the body motion sensor 110 of the body motion sensor means 100 and output as a body motion signal. The weight is detected by the weight sensor 210 of the weight sensor means 200 and output as a weight signal. In order to extract the heartbeat signal from the body motion signal, the heartbeat filter means 300 quantifies the body motion signal from an analog signal to a digital signal by the body motion signal A / D conversion unit 310. The body motion signal converted into the digital signal is selected by the filtering process by calculation in the heart rate filter calculation CPU unit 320, and is output again as the heart rate signal of the analog signal. The respiratory filter means 400 quantifies the body motion signal from an analog signal to a digital signal by the body motion signal A / D converter 410 in order to extract the respiratory signal from the body motion signal. The body motion signal converted into the digital signal is selected by filtering processing by calculation in the breathing filter calculation CPU unit 420 and is output again as an analog signal breathing signal. The heart rate filter means 300 and the respiration filter means 400 are performed by arithmetic processing by a CPU (Central Processing Unit), and a body motion signal is formed by using a resistor, a capacitor, a coil, an operational amplifier, etc. to form a filter circuit, and the heart rate signal and respiration A signal can also be extracted.

The notification determination processing unit 500 converts the heart rate signal, the respiration signal, and the body weight signal from the body weight sensor unit 200 from analog signals in the heart rate A / D conversion unit 510, the respiration A / D conversion unit 520, and the body weight A / D conversion unit 530. Quantify to a digital signal. Based on these digital signals, the determination processing CPU unit 540 determines whether an abnormality has occurred in the body and issues a warning sound for notification. Although it is determined by the extinction of the respiratory signal and the respiratory signal, in order to determine the difference between the situation in which the heartbeat and the breathing of the body actually stopped and that the body motion sensor means 100 and the weight sensor means 200 have left. In addition, a comparison is made based on the presence or absence of a weight signal from the weight sensor means 200. If the body weight signal is detected and one or both of the heartbeat signal and the breathing signal disappear, it means that the body has actually changed, and the buzzer 640 of the alarm notification means 600 issues an alarm sound to notify. If the weight signal is not detected together with the disappearance of the heartbeat signal and the respiration signal, it is determined that the body motion sensor means 100 and the weight sensor means 200 have left, and that there is no abnormality in the body.

The alarm notification unit 600 generates an alarm sound from the buzzer 640 connected to the alarm sound output unit 610 according to the determination control signal from the notification determination processing unit 500 and notifies the alarm signal. Further, if necessary, it is possible to report to a remote place through a radio wave by the wireless communication unit 630 and a general public line by the public line unit 620.

FIG. 3 is a block diagram illustrating an outline of measurement information display of the apparatus configuration in the embodiment. In order to detect a person's anomaly, the measured heartbeat, respiration and body weight biosignals are digitized and displayed. The heart rate display calculation unit 700 quantifies the heart rate signal from the heart rate filter unit 300 from an analog signal to a digital signal by the heart rate A / D conversion unit 710, and the heart rate calculation CPU unit 720 performs heart rate per minute. Is calculated and displayed on the heart rate indicator 730. The respiration rate display calculation means 800 quantifies the respiration signal from the respiration filter means 400 from an analog signal to a digital signal at the respiration A / D conversion unit 810, and the respiration rate CPU unit 820 performs the respiration rate per minute. Is calculated and displayed on the respiration indicator 830.

The weight display calculation means 900 quantizes the weight signal from the weight sensor means 200 with the weight A / D conversion section 910 from the analog signal to the digital signal, and is digitized by the weight calculation CPU section 940 by calculation. Displayed on a weight display 950. In addition, in order to remove the fluctuation of the weight signal due to body movement due to breathing and heartbeat and to display the weight with high accuracy, the weight calculation CPU unit 940 calculates and digitizes at the timing at the minimum point of the heartbeat signal and the respiratory signal. . For this purpose, the heart rate signal and the respiratory signal are quantified from an analog signal to a digital signal by the heart rate A / D conversion unit 920 and the respiratory A / D conversion unit 930 and passed to the heart rate calculation CPU unit 940 and digitized by processing determination. Display on the weight display 950.

FIG. 4 is a block diagram illustrating an outline of the overall configuration of the apparatus according to the embodiment. A CPU (central processing unit) 30 equipped with an A / D conversion function constitutes the device. The body motion signal from the body motion sensor means 100 is quantified from an analog signal to a digital signal by the body motion signal A / D conversion unit 31 of the CPU 30 to obtain body motion signal data. The weight signal from the weight sensor means 200 is quantified from an analog signal to a digital signal by the weight signal A / D converter 32 of the CPU 30 to obtain weight signal data. The quantified body motion signal data is extracted by the heartbeat filter calculation software 41 and the breathing filter calculation software 42 of the biological signal filter means 40.

Based on the heartbeat signal data, the respiration signal data, and the body weight signal data, the notification determination processing calculation software 61 of the notification determination processing means 60 determines whether an abnormality has occurred in the body and issues a warning sound for notification. The determination is based on the disappearance of the heartbeat signal data and the respiration signal data, but the difference between the fact that the heartbeat and breathing of the body has actually stopped and the fact that the body motion sensor means 100 and the weight sensor means 200 have left is determined. Therefore, a comparison is made based on the presence or absence of weight signal data. If the body weight signal data is detected and either or both of the heart rate signal data and the respiratory signal data disappear, it means that the body has actually changed, and an alarm sound is issued from the buzzer 640 of the alarm reporting means 600. To do. Further, if necessary, it is possible to report to a remote place through a radio wave by the wireless communication unit 630 and a general public line by the public line unit 620. Further, if the weight signal data is not detected together with the disappearance of the heartbeat signal data and the respiratory signal data, it is determined that the body movement sensor means 100 and the weight sensor means 200 have left, and that there is no abnormality in the body. .

Based on the heart rate signal data, the heart rate display software 51 of the heart rate display calculation means 50 calculates the heart rate per minute and displays it on the display 71 of the heart rate respiratory weight display means 70. Based on the respiration signal data, the respiration rate per minute is calculated by the respiration rate display software 53 of the respiration rate display calculation means 52 and displayed on the display 71 of the heart rate respiration weight display means 70. Based on the weight signal data, it is calculated by the weight display software 55 of the weight display calculation means 54 and displayed on the display 71 of the heart rate breathing weight display means 70. In addition, the weight display calculation means 54 calculates and detects the timing that becomes the minimum point from the heartbeat signal data and the respiratory signal data in order to remove the fluctuation of the weight signal due to body movements due to breathing and heartbeat and to display the weight accurately. The weight is calculated on the basis of the weight signal data at and is displayed on the display 71 of the heart rate breathing weight display means 70.

  The living body monitor notification device of the present invention can be easily installed on the floor, corridor, living room, seat seat, etc. where people live daily. Furthermore, it can be installed in bathrooms and bathtubs by taking waterproof measures. It is possible to report when the physical condition is monitored and abnormalities are detected in the daily life. In addition to people, animals such as dogs and cats are also possible.

These are figures which show the outline | summary of the apparatus structure in an Example. These are the block diagrams which show the outline | summary of the abnormality detection of the apparatus structure in an Example. These are block diagrams which show the outline | summary of the measurement information display of the apparatus structure in an Example. These are block diagrams which show the outline | summary of the whole structure of the apparatus in an Example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Body motion sensor 20 Load sensor 30 CPU Central processing unit 31 equipped with A / D conversion function 31 Body motion signal A / D conversion part 32 Weight signal A / D conversion part 40 Biological signal filter means 41 Heartbeat filter calculation software 42 Respiration Filter Calculation Software 50 Heart Rate Display Calculation Unit 51 Heart Rate Display Software 52 Respiration Rate Display Calculation Unit 53 Respiration Rate Display Software 54 Weight Display Calculation Unit 55 Weight Display Software 60 Report Determination Processing Unit 61 Calculation software for notification determination processing 70 Heart rate respiratory weight display means 71 Display device 100 Body motion sensor means 110 Body motion sensor 200 Weight sensor means 210 Weight sensor 300 Heart rate filter means 310 Body motion signal A / D converter 320 Heart rate filter calculation CPU 400 Respiratory filter means 410 Body motion signal A / D conversion unit 420 Respiration filter calculation CPU unit 500 Report determination processing unit 510 Heart rate A / D conversion unit 520 Respiration A / D conversion unit 530 Weight A / D conversion unit 540 Determination processing CPU unit 600 Alarm notification unit 610 Alarm sound output Unit 620 Public line unit 630 Wireless communication unit 640 Buzzer 700 Heart rate display calculation unit 710 Heart rate A / D conversion unit 720 Heart rate calculation CPU unit 730 Heart rate display device 800 Respiration rate display calculation unit 810 Respiration A / D conversion unit 820 Respiration calculation CPU Unit 830 Respiration display 900 Weight display calculation means 910 Weight A / D conversion unit 920 Heart rate A / D conversion unit 930 Respiration A / D conversion unit 940 Weight calculation CPU unit 950 Weight display

Claims (10)

From the body motion signal, body motion sensor means for detecting body motion of the living body and outputting a body motion signal, load sensor means for detecting the body weight of the living body and outputting the body weight signal, alarm notification means for generating an alarm sound, and Heart rate filter means for extracting a heart rate signal due to the heartbeat of the living body, respiration filter means for extracting a respiration signal due to respiration of the living body from the body motion signal, and detection of the body weight signal. And a living body monitor notification device characterized by comprising a notification determination processing means for controlling the alarm notification means to emit the alarm sound when the respiratory signal disappears. 2. The notification determination processing unit controls the generation of the alarm sound from the alarm notification unit when the heartbeat signal disappears based on the detection of the weight signal. Biological monitor reporting device. 2. The notification determination processing unit controls the generation of the alarm sound from the alarm notification unit when the respiratory signal disappears when the weight signal is detected. Biological monitor reporting device. 2. The biological monitor notification device according to claim 1, wherein said alarm notification means means issues a warning by reporting data information to a remote place through a public communication line and a radio wave. 2. The living body monitoring apparatus according to claim 1, wherein the body motion sensor means and the load sensor means overlap within a limited finite plane and detect body movement and body weight of the living body. . 2. The biological monitor reporting device according to claim 1, further comprising a heart rate display calculation means for calculating and displaying a heart rate in terms of 1 minute based on a cycle of the heartbeat signal. 2. The biological monitor reporting device according to claim 1, further comprising a respiration rate display calculating means for calculating and displaying a respiration rate in terms of 1 minute based on a cycle of the respiration signal. 2. The biological monitor notifying apparatus according to claim 1, further comprising a weight display calculating means for numerically displaying the weight signal based on the weight signal. The weight display calculation means displays a numerical value based on the weight signal of the load sensor means during a period in which the interval between the breathing and heartbeat of the living body is detected from the respiratory signal and the heartbeat signal. The living body monitor notification device according to claim 1, wherein: 2. The weight display calculation means displays the interval between breaths of the living body in a numerical value based on the weight signal of the load sensor means during a period of detection from the respiratory signal. The biological monitor reporting device described.

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