WO2021124591A1 - Dispositif de détection d'informations biologiques et système de communication d'informations biologiques - Google Patents

Dispositif de détection d'informations biologiques et système de communication d'informations biologiques Download PDF

Info

Publication number
WO2021124591A1
WO2021124591A1 PCT/JP2020/001322 JP2020001322W WO2021124591A1 WO 2021124591 A1 WO2021124591 A1 WO 2021124591A1 JP 2020001322 W JP2020001322 W JP 2020001322W WO 2021124591 A1 WO2021124591 A1 WO 2021124591A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
biometric information
biological information
subject
information detection
Prior art date
Application number
PCT/JP2020/001322
Other languages
English (en)
Japanese (ja)
Inventor
直也 遠山
靖親 青木
充 高島
Original Assignee
株式会社リキッド・デザイン・システムズ
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 株式会社リキッド・デザイン・システムズ filed Critical 株式会社リキッド・デザイン・システムズ
Publication of WO2021124591A1 publication Critical patent/WO2021124591A1/fr

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/04—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using a single signalling line, e.g. in a closed loop

Definitions

  • the present invention relates to a biometric information detection device and a biometric information communication system.
  • Patent Document 1 Conventionally, a biological information collecting device that collects biological information of the human body without attaching electrodes, lead wires, or the like to the human body has been disclosed (see Patent Document 1).
  • the technique of Patent Document 1 is to detect the air pressure in the air bag with an omnidirectional microphone or a Vital sensor (pneumatic dynamic pressure sensor) regardless of the position on the plate-shaped member. It can measure breathing, heart rate, etc.
  • Patent Document 1 requires a plate-shaped member having a sufficient size for a human body to ride on. However, it is not easy to prepare a plate-shaped member having a size that allows a human body to ride on it, and it is inconvenient to carry.
  • the present invention has been proposed in view of such circumstances, and even when the subject is on a rug, the periodic biometric information of the subject is detected with high accuracy, and the subject's
  • An object of the present invention is to provide a biometric information detection device and a biometric information communication system capable of grasping a state.
  • the biometric information detection device includes a biometric information detection mat placed under the subject via a rug, a biometric information detection unit that detects the periodic biometric information of the subject, and an odor related to odor.
  • the living body includes an odor detecting unit that detects information, a temperature / humidity detecting unit that detects indoor temperature and humidity, and a determination unit that determines the state of the subject based on the biological information and the odor information.
  • the information detection mat is formed in a long shape, and an air bag that outputs air according to the pressure from the living body and a recess having a size substantially the same as that of the air bag are formed in the central portion, and the air is formed in the recess.
  • a plate-shaped cushion member having a thickness substantially the same as the thickness of the air bag into which the bag is fitted and a plate-shaped cushion member having substantially the same size as the plate-shaped cushion member and formed to be generally bendable, the plate-shaped cushion member. It has a pair of synthetic resin plate-shaped members provided so as to be sandwiched therein, and the biometric information detection unit detects the biometric information based on the air pressure from the biometric information detection mat. ..
  • the present invention can detect the periodic biological information of the subject with high accuracy and grasp the state of the subject even when the subject is on the rug.
  • FIG. 1 is a front view showing a schematic configuration of the biological information detection device according to the first embodiment.
  • FIG. 2 is a diagram showing a configuration of a sensor mat of the biological information detection device according to the first embodiment.
  • FIG. 3 is an exploded perspective view showing the configuration of the sensor board according to the first embodiment.
  • FIG. 4 is a block diagram showing a functional configuration of the main body according to the first embodiment.
  • FIG. 5 is a waveform diagram of a respiratory signal when the air pad alone is arranged under the rug when the weight of the measurement target is 2 kg.
  • FIG. 6 is a waveform diagram of a respiratory signal when the sensor mat is placed under the rug when the weight of the measurement target is 2 kg.
  • FIG. 5 is a waveform diagram of a respiratory signal when the air pad alone is arranged under the rug when the weight of the measurement target is 2 kg.
  • FIG. 6 is a waveform diagram of a respiratory signal when the sensor mat is placed under the rug when the weight of the measurement target is 2 kg.
  • FIG. 7 is a waveform diagram of a respiratory signal when the air pad alone is placed under the rug when the weight of the measurement target is 6 kg.
  • FIG. 8 is a waveform diagram of a respiratory signal when the sensor mat is placed under the rug when the weight of the measurement target is 6 kg.
  • FIG. 9 is a waveform diagram of a heartbeat signal when the air pad alone is arranged under the rug.
  • FIG. 10 is a waveform diagram of a heartbeat signal when the sensor mat is placed under the rug.
  • FIG. 11 is a diagram showing a configuration of a biometric information communication system according to the second embodiment.
  • FIG. 12 is a front view showing the sensor mat cover.
  • FIG. 13 is a perspective view showing the sensor mat cover.
  • FIG. 12 is a front view showing the sensor mat cover.
  • FIG. 14 is a diagram showing a configuration of a biological information detection device according to a third embodiment.
  • FIG. 15 is an exploded perspective view showing the configuration of the sensor board according to the third embodiment.
  • FIG. 16 is a cross-sectional view of the configuration of the sensor board according to the third embodiment.
  • FIG. 17 is a block diagram showing a functional configuration of the main body according to the third embodiment.
  • FIG. 1 is a front view showing a schematic configuration of the biological information detection device 1 according to the first embodiment.
  • the biological information detection device 1 detects biological information such as heart rate and respiratory rate from a person whose body information is detected (hereinafter referred to as “target person”), and performs data communication with an external device.
  • target person a person whose body information is detected
  • the biological information detection device 1 detects, for example, the respiratory rate per minute of a sleeping subject 100 (infant, infant, etc.).
  • the biological information detection device 1 includes a sensor mat 10 arranged under the sleeping subject 100, a main body 50 that calculates the respiratory rate of the subject 100 based on the air pressure output from the sensor mat 10, and a sensor. It includes a silicon tube 70 that supplies the air output from the mat 10 to the main body 50. Although not shown, a rug such as a mattress is placed between the subject 100 and the sensor mat 10.
  • FIG. 2 is a diagram showing the configuration of the sensor mat 10.
  • the sensor mat 10 includes a sensor mat cover 20 and two sensor boards 30 housed in the sensor mat cover 20.
  • a Y-shaped connector 71 which is a Y-shaped tube, is joined to the end portion (sensor mat 10 side) of the silicon tube 70.
  • each sensor board 30 is joined to the remaining two joints of the Y-shaped connector 71 via the silicon tube 72, respectively. Therefore, the air discharged from each sensor board 30 joins at the Y-shaped connector via each silicon tube 72, and is supplied to the main body 50 shown in FIG. 1 via the silicon tube 70.
  • the sensor mat cover 20 is a rectangular cover, and has two bag portions 21 in which the two sensor boards 30 are housed and a lid portion that functions so that the sensor board 30 is not outside the bag portion 21. 22 and.
  • Each bag portion 21 is configured to have a shape and size that can completely accommodate one sensor board 30.
  • Each bag portion 21 is arranged so as to be symmetrical with respect to a central axis orthogonal to the central portion in the longitudinal direction of the sensor mat cover 20. Therefore, the sensor mat cover 20 can be folded in two at the above-mentioned central axis in a state where the sensor board 30 is housed in each bag portion 21.
  • the sensor board 30 is arranged under the rug on which the subject 100 is located.
  • the sensor board 30 outputs air corresponding to movements such as respiratory movements and pulsations of the subject 100, and supplies the air to the main body 50 via a silicon tube 70 or the like.
  • FIG. 3 is an exploded perspective view showing the configuration of the sensor board 30.
  • the sensor board 30 is a substantially square plate-shaped member, and outputs air according to movements (pressure) such as respiratory movements and pulsations of the subject 100.
  • the sensor board 30 includes a first polyvinyl chloride plate 31, a second polyvinyl chloride plate 32, a cushion member 33, and an air pad 34.
  • the first and second polyvinyl chloride plates 31 and 32 are, for example, polyvinyl chloride formed in a substantially square plate shape.
  • the first and second polyvinyl chloride plates 31 and 32 have a hard surface and are formed to be curbable as a whole.
  • the thickness of the first and second polyvinyl chloride plates 31, 32 is, for example, 1 mm.
  • the corners of the first and second polyvinyl chloride plates 31 and 32 are rounded, for example, by 5 mm.
  • first and second polyvinyl chloride plates 31, 32 it is also conceivable to use an acrylic plate or a veneer plate instead of the first and second polyvinyl chloride plates 31, 32.
  • the veneer plate is not bendable, it is not suitable as a substitute for the first and second polyvinyl chloride plates 31, 32.
  • the acrylic plate can be a substitute for the first and second polyvinyl chloride plates 31 and 32 if it is formed to have a bendable thickness. That is, the first and second polyvinyl chloride plates 31 and 32 can be substituted as long as they are plate-shaped members made of a synthetic resin material that are formed to be curbable as a whole.
  • the cushion member 33 is made of a polyurethane material having a thickness of, for example, 5 mm.
  • the cushion member 33 is formed in the shape of a square plate having substantially the same size as the first and second polyvinyl chloride plates 31 and 32.
  • a recess 33a large enough to fit the air pad 34 is formed in the central portion of the cushion member 33 along the axis of symmetry.
  • the surface of the air pad 34 is at substantially the same position as the surface of the cushion member 33.
  • the air pad 34 is an air bag formed in a long shape.
  • An air pipe 34a having a predetermined length is provided at the air port of the air pad 34.
  • One side of the air pipe 34a is inside the air pad 34.
  • the other side of the air pipe 34a is exposed to the outside of the air pad 34 and is joined to the silicon tube 72.
  • the air pad 34 has a predetermined thickness (10 mm in the present embodiment) and has air inside even in a normal state (without external pressure).
  • air is output from the air pad 34 according to the external pressure.
  • the air output from the air pad 34 is supplied to the main body 50 via the silicon tube 70.
  • FIG. 4 is a block diagram showing a functional configuration of the main body 50.
  • the main body 50 includes a piezoelectric element 51, a filter circuit 52, a maximum value detector 53, a counter 54, a biological information detection unit 55, and a transmission unit 56.
  • the piezoelectric element 51 outputs a signal corresponding to the vibration of the air supplied from the silicon tube 70.
  • the filter circuit 52 removes a predetermined band component from the signal supplied from the piezoelectric element 51.
  • the filter characteristics of the filter circuit 52 are set to characteristics suitable for extracting the respiratory component of the human body from the signal output from the piezoelectric element 51. Therefore, the filter circuit 52 removes the noise component and outputs the respiration signal.
  • the frequency characteristics of the filter circuit 52 can be changed according to the biological information to be detected. For example, when the filter circuit 52 is a high-pass filter (for example, removing band components of 3 Hz or less), another biometric signal, for example, a heartbeat signal, is obtained instead of the respiratory signal.
  • the maximum value detector 53 outputs a positive pulse each time it detects the maximum value (peak value) of the respiratory signal supplied from the filter circuit 52.
  • the counter 54 has a timer function, counts positive pulses supplied from the maximum value detector 53, and resets every predetermined time (for example, 10 seconds). Then, each time the counter 54 resets, the count value at that time is supplied to the biological information detection unit 55.
  • the biological information detection unit 55 calculates a value obtained by multiplying the respiratory rate supplied from the counter 54 by 6, and supplies the calculated value to the transmission unit 56 as the respiratory rate per minute.
  • the transmission unit 56 transmits the respiratory rate supplied from the biological information detection unit 55 to the information terminal device of the operator. As a result, the operator can confirm the respiratory rate of the subject 100 in real time.
  • the information terminal device may issue an alarm when the respiratory rate of the subject 100 continuously falls below the threshold value for a predetermined time or more. As a result, the operator can immediately grasp the state in which the respiratory rate of the subject 100 is no longer detected.
  • the biological information detection device 1 detects the respiratory rate of the subject 100 on the sensor mat 10 in real time and transmits the respiratory rate to the information terminal device of the operator. As a result, the operator can grasp the respiratory rate of the subject 100 in real time.
  • the biological information detection device 1 allows the subject 100 to breathe by arranging the sensor mat 10 shown in FIG. 3 under the rug even when the subject 100 is on a rug such as a mattress. The number can be detected accurately.
  • the size of the first and second polyvinyl chloride plates 31 and 32 of the sensor mat 10 is 40 cm ⁇ 40 cm and the thickness is 1 mm.
  • the thickness of the cushion member 33 (polyurethane material) of the sensor mat 10 is 5 mm.
  • FIG. 5 is a waveform diagram of a respiration signal (output signal of the filter circuit 52) when the air pad alone is arranged under the rug when the weight of the measurement target is 2 kg.
  • FIG. 6 is a waveform diagram of a respiratory signal when the sensor mat 10 shown in FIG. 3 is arranged under the rug when the weight of the measurement target is 2 kg.
  • FIG. 7 is a waveform diagram of a respiratory signal when the air pad alone is placed under the rug when the weight of the measurement target is 6 kg.
  • FIG. 8 is a waveform diagram of a respiratory signal when the sensor mat 10 shown in FIG. 3 is arranged under the rug when the weight of the measurement target is 6 kg.
  • the vertical axis direction represents the magnitude of the signal
  • the horizontal axis direction represents the time.
  • the amplitude of the breathing signal obtained from the sensor mat 10 is larger than that of the breathing signal obtained from the air pad alone. It was. That is, the sensor mat 10 had higher respiration detection sensitivity than the air pad alone.
  • the biological information detection device 1 uses a plate-shaped member having a size capable of covering the entire length of the subject 100 by using the sensor mat 10 having the configuration shown in FIG. It is possible to detect the respiratory rate of the subject 100.
  • the biological information detection device 1 can detect the respiratory rate of the subject 100 with high accuracy even when a rug such as a mattress is interposed between the subject 100 and the sensor mat 10. ..
  • the present invention is not limited to the above-described embodiment, but can also be applied to those whose design has been changed within the scope of the matters described in the claims.
  • the sizes and thicknesses of the first and second polyvinyl chloride plates 31, 32 and the cushion member 33 are not limited to the above-mentioned examples.
  • the counter 54 shown in FIG. 4 resets the count value every 10 seconds, but the count value may be reset at other cycles. Specifically, the counter 54 may reset the count value every 20 seconds or every 30 seconds. In this case, the biological information detection unit 55 may triple or double the count value from the counter 54 to obtain the respiratory rate for one minute.
  • the biological information detection device 1 can not only detect the respiratory rate of the subject 100, but also detect the heart rate of the subject 100.
  • the filter characteristics of the filter circuit 52 are set to characteristics suitable for extracting the heartbeat component of the human body from the signal output from the piezoelectric element 51.
  • the air pad alone is the same as the air pad 34 in the sensor mat 10.
  • the size of the first and second polyvinyl chloride plates 31 and 32 of the sensor mat 10 is 40 cm ⁇ 40 cm and the thickness is 1 mm.
  • the thickness of the cushion member 33 (polyurethane material) of the sensor mat 10 is 5 mm.
  • the pseudo heartbeat signal generator is a device that connects an amplifier and a speaker to a function generator to vibrate the speaker at an arbitrary cycle, and generates a pseudo heartbeat body movement by setting the heartbeat cycle.
  • the average heart rate of the simulated heart rate signal generator is 84 [times / minute].
  • FIG. 9 is a waveform diagram of a heartbeat signal (output signal of the filter circuit 52) when the air pad alone is arranged under the rug.
  • FIG. 10 is a waveform diagram of a heartbeat signal when the sensor mat 10 shown in FIG. 3 is arranged under the rug.
  • the vertical axis direction represents the magnitude of the signal
  • the horizontal axis direction represents the time.
  • the amplitude of the heartbeat signal obtained from the sensor mat 10 was larger than that of the heartbeat signal obtained from the air pad alone. That is, the sensor mat 10 had higher heartbeat detection sensitivity than the air pad alone.
  • the biological information detection device 1 uses a sensor mat 10 having a size less than half the total length of the target person 100, thereby covering the total length of the target person 100.
  • the heart rate of the subject 100 can be detected without using the shape member.
  • the biological information detection device 1 can detect the heart rate of the subject 100 with high accuracy even when a rug such as a mattress is interposed between the subject 100 and the sensor mat 10.
  • the biological information detection device 1 can also detect the respiratory rate and the heart rate at the same time.
  • the biological information detection device 1 may include each block shown in FIG. 4 for detecting the respiratory rate and each block shown in FIG. 4 for detecting the heart rate.
  • FIG. 11 is a diagram showing the configuration of the biometric information communication system 200 according to the second embodiment.
  • the biometric information communication system 200 includes a biometric information detection device 1 shown in FIG. 1, an information terminal device 220 capable of data communication, and a biometric information management server that manages biometric information and distributes information about the human body to the information terminal device 220. It is equipped with 230.
  • biometric information management server 230 In FIG. 1, three biometric information detection devices 1 and three information terminal devices 220 are shown, and one biometric information management server 230 is shown.
  • the number of the biometric information detection device 1 and the information terminal device 220 is not particularly limited, and is provided according to the number of subjects who should detect the biometric information.
  • the biometric information management server 230 may be one, or may be provided in plurality for load balancing.
  • the biological information detection device 1 detects biological information such as heart rate and respiratory rate from a sleeping subject. Further, the biological information detection device 1 also detects temperature, humidity, room brightness, noise, odor, atmospheric pressure, and the like as environmental information. The biological information detection device 1 automatically records the detected biological information and environmental information in the internal memory, and transmits the detected biological information and environmental information to the biological information management server 230 shown in FIG. 1 via the Internet in real time or at a predetermined timing. ..
  • the biometric information detection device 1 stores the personal information (age, gender, residential area (location information), level of care required, etc.) of the target person in advance, and transmits this personal information to the biometric information management server 230. ..
  • the biometric information detection device 1 can also directly perform data communication with the information terminal device 220 by wireless communication, infrared communication, or the like without going through the biometric information management server 230.
  • the information terminal device 220 is a terminal that can be connected to an Internet line by wire or wirelessly.
  • the information terminal device 220 corresponds to, for example, a so-called smartphone, tablet terminal, mobile phone, small personal computer, or the like.
  • the information terminal device 220 is owned by a person who wants to confirm the state of the target person such as a doctor, a nurse, a caregiver, and a relative of the target person.
  • the information terminal device 220 includes biometric information and warning information transmitted from the biometric information management server 230 (for example, warning information that the respiratory rate of the subject 100 has continuously fallen below the threshold for a predetermined time or more, and a warning that the subject has left the bed. Information), and other information is displayed.
  • the user can check the biological information and other information of the target person, and can grasp the heart rate of the target person and the presence or absence of getting out of bed even when the user is away from the target person.
  • the information terminal device 220 can also send and receive information such as a text document, an image, and a voice to and from the biometric information detection device 1 via the biometric information management server 230.
  • the information terminal device 220 can also directly communicate with the biometric information detection device 1 without going through the biometric information management server 230. In this case, the information terminal device 220 presents the above-mentioned warning information to the user based on the biometric information from the biometric information detection device 1.
  • the biometric information management server 230 transmits the biometric information transmitted from the biometric information detection device 1 to a predetermined information terminal device 220.
  • the biometric information management server 230 can also determine whether the subject's respiratory rate is normal or whether he / she has left the bed based on the biometric information transmitted from the biometric information detection device 1.
  • the biometric information management server 230 determines that the subject has left the bed when the biometric information transmitted from the biometric information detection device 1 is interrupted for a predetermined time (for example, 20 seconds), and provides warning information indicating that the subject has left the bed. It transmits to the device 220. Further, the biometric information management server 230 is abnormal when the heart rate transmitted from the biometric information detection device 1 continuously becomes 30 or less or 170 or more for a predetermined time (for example, 2 minutes). Warning information indicating that may be transmitted to the information terminal device 220.
  • a predetermined time for example, 20 seconds
  • the biometric information management server 230 aggregates biometric information and personal information from all the target persons connected on the network, and statistical data according to the target person's residential area, season, level of care required, and environmental information. You can also create (big data). According to this statistical data, for each target person (for example, a man in his 60s, residential area: Hokkaido, level 3 requiring nursing care, etc.) who meets any condition, if the environmental information is in any state, the biometric information is available. It becomes possible to grasp whether it is stable.
  • the biometric information management server 230 when the biometric information management server 230 receives the biometric information and the environmental information from the arbitrary biometric information detection device 1, it compares the received information with the statistical data. Then, when the biometric information management server 230 detects an abnormality in the biometric information of the subject (such as a large change in heartbeat or respiratory rate), the biometric information management server 230 creates an environment in which the biometric information is stable based on statistical data. Warning information for prompting is transmitted to the biometric information detection device 1 and the information terminal device 220. As a result, the user of the biological information detection device 1 or the information terminal device 220 can check the warning information and adjust the environment (room temperature, humidity, etc.) of the target person to the optimum state.
  • an abnormality in the biometric information of the subject such as a large change in heartbeat or respiratory rate
  • the present invention is not limited to the above-described embodiment, and can be applied to those whose design has been changed within the scope of the matters described in the claims.
  • the present invention is also applicable to, for example, a smart house with a long-term care service.
  • the LED lighting device in this smart house incorporates a space / human sensor and an infrared sensor.
  • a plurality of LED lighting devices having such a configuration are provided at each indoor location (corridor, bath, toilet, bedroom, etc.) in a state of being connected to the network, and detect the indoor position information of the patient.
  • the LED lighting device may communicate with a wristwatch-type communication device attached to the patient's arm. This communication device communicates with the LED lighting device while attached to the patient's arm, for example, by Bluetooth®.
  • the LED lighting device detects the indoor position information of the patient by communicating with the above-mentioned communication device.
  • the location information is transmitted to the biometric information management server 230 shown in FIG. 10 via the Internet, and then transmitted to, for example, the user's information terminal device 220.
  • the information terminal device 220 always outputs the patient's position information based on the patient's position information transmitted from the LED lighting device. This allows the user to know not only the patient's health condition in the bedroom, but also the patient's indoor whereabouts and whether the patient has gone out (wandered).
  • the biological information management server 230 can also perform the following control.
  • the biometric information management server 230 directly controls the heating / cooling device and the like via the information terminal device 220 so that the environment is such that the biometric information is stable based on the statistical data.
  • the biometric information management server 230 can remotely control the heating / cooling device and the like in the smart house so that the environment of the target person is automatically optimized.
  • FIG. 12 is a front view showing the sensor mat cover 20A.
  • FIG. 13 is a perspective view showing the sensor mat cover 20A.
  • the sensor mat cover 20A is a cover having a rectangular shape, and includes two bag portions 21 for accommodating two sensor boards 30, a fastener 25 for opening and closing the opening of the bag portion 21, and a bag portion.
  • a tube protective bag 26 for storing and protecting the tube which is a space between the 21 and the fastener 25, and handles 27 provided on both sides of the sensor mat cover 20A in the longitudinal direction are provided.
  • a sensor fastener for fixing the sensor board 30 is provided between the bag portion 21 and the tube protection bag 26.
  • Each bag portion 21 is configured to have a shape and size that can completely accommodate one sensor board 30.
  • the bag portions 21 are arranged so as to be symmetrical with respect to the central axis in the central portion in the longitudinal direction of the sensor mat cover 20. Therefore, the sensor mat cover 20 can be folded in two at the above-mentioned central axis in a state where the sensor board 30 is housed in each bag portion 21.
  • Each bag portion 21 houses the sensor board 30 and the sponge 80 arranged on one surface (surface) of the sensor board 30. Then, when the sensor fastener is closed, the positions of the sensor board 30 and the sponge 80 are fixed inside each bag portion 21.
  • the biological information detection device 1 configured as described above can detect biological information such as respiratory rate with high accuracy not only for adults but also for infants having a body weight (3 to 10 kg) that is generally difficult to detect. can do.
  • the biological information detection device 1 can be used.
  • the detectable range of the biological information of the subject can be expanded in proportion to the size.
  • the sensor board 30 has a sponge 80 inside, it can be used as a single mattress, and can be used even when it is laid under a mat or a futon.
  • the biometric information communication system 200 includes a biometric information detection device 1, an information terminal device 220, and a biometric information management server 230.
  • FIG. 14 is a diagram showing the configuration of the biological information detection device 1 according to the third embodiment.
  • the biological information detection device 1 includes a sensor mat 10, a main body 50, and a silicon tube 70.
  • the sensor mat 10 includes a sensor mat cover 20 and a sensor board 30.
  • the sensor mat cover 20 is a cover formed in a rectangular shape, and has one bag portion 21 in which one sensor board 30 is housed and a lid portion 22 that functions so that the sensor board 30 is not outside the bag portion 21. And have.
  • the sensor board 30 is arranged under the rug on which the subject 100 is located.
  • the sensor board 30 outputs air corresponding to movements such as respiratory movements and pulsations of the subject 100, and supplies the air to the main body 50 via a silicon tube 70 or the like.
  • FIG. 15 is an exploded perspective view showing the configuration of the sensor board 30 according to the third embodiment.
  • FIG. 16 is a cross-sectional view of the configuration of the sensor board 30 according to the third embodiment.
  • the sensor board 30 is a substantially rectangular plate-shaped member, and outputs air according to movements (pressure) such as respiratory movements and pulsations of the subject 100.
  • the sensor board 30 includes a first polypropylene plate 131, a second polypropylene plate 132, a cushion member 33, and an air pad 34.
  • the length of the sensor board 30 in the longitudinal direction is approximately the same as, for example, the length of the width of a rug such as a mattress used by the subject 100 (the length in the width direction orthogonal to the height direction of the subject 100).
  • the first and second polypropylene plates 131 and 132 are plate-shaped members made of a synthetic resin material that are formed to be bendable as a whole.
  • the cushion member 33 is fixed to the first and second polypropylene plates 131 and 132 with a fixing material 35 such as a heat-resistant tape, a hook-and-loop fastener, a double-sided tape, and an adhesive.
  • the cushion member 33 is provided with fixing members 35 at a total of eight locations, for example, four rectangular corners and four intermediate portions of adjacent corners, and the first and second polypropylene plates 131, It is fixed to 132.
  • the fixing material 35 such as a heat-resistant tape formed in a long shape is provided over the upper surface of the first polypropylene plate 131, the side surface of the cushion member 33, and the lower surface of the second polypropylene plate 132. , Sticked.
  • the fixing member 35 may be provided on the upper surface and the lower surface of the cushion member 33, respectively.
  • the upper and lower surfaces of the air pad 34 are fixed to the first and second polypropylene plates 131 and 132 by a fixing material 36 such as double-sided tape, a hook-and-loop fastener, and an adhesive.
  • a fixing material 36 such as double-sided tape, a hook-and-loop fastener, and an adhesive.
  • FIG. 17 is a block diagram showing a functional configuration of the main body 50 according to the third embodiment.
  • the main body 50 includes a piezoelectric element 51, a filter circuit 52, a maximum value detector 53, a counter 54, a biological information detection unit 55, a transmission unit 56, an odor detection unit 57, a sound collection unit 58, and the like.
  • a determination unit 59 and a notification unit 60 are provided.
  • the main body 50 includes a CPU, a RAM, and a storage unit, and each function shown in FIG. 5 is realized by the CPU executing a program stored in the storage unit or the like using the RAM as a work area. ..
  • the piezoelectric element 51 outputs a signal corresponding to the vibration of the air supplied from the silicon tube 70.
  • the filter circuit 52 removes a predetermined band component from the signal supplied from the piezoelectric element 51.
  • the filter characteristics of the filter circuit 52 are set to characteristics suitable for extracting the respiratory component and the snoring component of the human body from the signal output from the piezoelectric element 51. Therefore, the filter circuit 52 removes the noise component, extracts the respiratory component from the first frequency band, and extracts the snoring component from the second frequency band different from the first frequency band. Since the swing width of the breathing signal differs from the swing width of the snoring signal by about 100 times, the filter circuit 52 can output the breathing signal and the snoring signal.
  • the maximum value detector 53 outputs a positive pulse each time it detects the maximum value (peak value) of the respiratory signal and the snoring signal supplied from the filter circuit 52.
  • the counter 54 has a timer function, counts each positive pulse supplied from the maximum value detector 53, and resets the counter 54 at predetermined time (for example, 10 seconds). Then, each time the counter 54 resets, the count value at that time is supplied to the biological information detection unit 55.
  • the biological information detection unit 55 calculates a value obtained by multiplying the respiratory rate and the number of snoring supplied from the counter 54 by 6, and supplies the calculated value to the transmission unit 56 as the respiratory rate and the number of snoring per minute.
  • the transmission unit 56 transmits the respiratory rate and the number of snoring supplied from the biological information detection unit 55 to the information terminal device of the operator. As a result, the operator can confirm the respiratory rate and the number of snoring of the subject 100 in real time.
  • the odor detecting unit 57 detects information on odor, and for example, an odor sensor is used.
  • the odor detection unit 57 detects odor information of excrement such as urine and feces of the subject 100.
  • the odor detecting unit 57 may detect, for example, ammonia, VOC, hydrogen sulfide, amine-based, sulfur-based malodorous gas, etc. as odor information of excrement of the subject 100.
  • the odor detection unit 57 provides odor information due to excretion such as urine leakage and stool leakage in addition to the breathing rate and heart rate as ready-made odor sensors (ammonia, VOC, hydrogen sulfide, amine-based, sulfur-based sensors).
  • the Vital sensor pneumatic pressure sensor installed to detect changes in heart rate.
  • the sound collecting unit 58 detects information about sound, and a microphone is used, for example.
  • the sound collecting unit 58 detects the sound information of the target person 100.
  • the determination unit 59 acquires biological information such as the respiratory rate and the number of snoring of the subject 100 and odor information regarding the excrement of the subject, and based on the acquired biological information and odor information, determines the state of the subject. judge. The determination unit 59 determines whether or not the subject has excreted based on the acquired biological information and odor information. The determination unit 59 determines whether or not the subject has slept based on the acquired biological information and odor information. The determination unit 59 determines whether or not the subject has left the bed based on the acquired biological information and odor information. During sleep excretion, the subject's heart rate changes temporarily. Therefore, the determination unit 59 can simultaneously determine whether or not the subject has slept and whether or not the subject has excreted based on the acquired biological information and odor information.
  • the determination unit 59 determines that the respiratory rate of the subject 100 is normal and that the subject 100 has excreted, the diaper needs to be changed. Generate warning information.
  • the determination unit 59 generates warning information that the bed sheets need to be replaced when, for example, the subject who is a diaper wearer has left the bed and the subject 100 determines that the bed sheets have been excreted.
  • the determination unit 59 may determine the state of the target person based on the biological information, the odor information, and the sound information.
  • the determination unit 59 acquires biological information such as the respiratory rate of the subject 100, odor information regarding the excrement of the subject 100, and sound information of the subject 100, and is based on the acquired biological information, odor information, and sound information. , It is determined whether or not the subject 100 is sleeping. For example, when the determination unit 59 detects snoring of the subject 100 and sounds without detecting the odor related to excrement, the determination unit 59 generates warning information indicating that the subject 100 is sleeping. To do. For example, when the determination unit 59 detects sound without snoring of the subject 100 and without detecting the odor related to excrement, the determination unit 59 generates warning information indicating that the subject 100 is crying. To do.
  • the determination unit 59 may determine the state of the subject 100 based on the threshold values set in advance for the biological information, the odor information, and the sound information.
  • the determination unit 59 may determine the state of the subject based on the biological information, the odor information, and the temperature / humidity information.
  • the determination unit 59 may determine the state of the subject 100 based on the threshold values set in advance for the biological information, the odor information, and the sound information.
  • the notification unit 60 has a vibration module such as a vibrator, and the vibration module is controlled by the notification unit 60.
  • the notification unit 60 acquires the state of the target person 100 determined by the determination unit 59.
  • the notification unit 60 issues an alarm by vibrating based on the state of the target person 100.
  • the notification unit 60 may issue an alarm based on biological information, odor information, and sound information.
  • the notification unit 60 may issue an alarm when the biological information, the odor information, and the sound information each exceed preset threshold values.
  • the notification unit 60 may issue an alarm by emitting a sound, or by blinking or lighting.
  • the transmission unit 56 acquires biometric information, odor information, sound information, the state of the target person 100, warning information, etc., and transmits the biometric information to the biometric information management server 210 or the information terminal device 220.
  • the biometric information management server 210 or the information terminal device 220 may include a discriminating unit.
  • the information terminal device 220 and the biometric information management server 230 may generate warning information based on the state of the target person 100 determined by the determination unit 59.
  • a temperature / humidity sensor is used for the temperature / humidity detection unit 61.
  • the temperature / humidity sensor can detect temperature / humidity information related to temperature and humidity. For example, by acquiring indoor temperature and humidity information, the temperature and humidity in the indoor environment where there is a risk of heat stroke (when the temperature is 31 ° C or higher and the humidity is 80% according to the WBGT guideline) and the heart rate and respiratory rate at that time are normal. When it rises or falls more rapidly, warning information is generated for the subject 100.
  • the biological information detection unit 55 that detects biological information
  • the odor detection unit 57 that detects odor information
  • the determination unit 59 that determines the state of the subject 100 based on the biological information and the odor information.
  • the state of the subject 100 can be determined in more detail based on the biological information such as the respiratory rate and the odor information. Therefore, the operator and the user can grasp the state of the target person 100 in consideration of the biological information and the odor information in more detail. That is, it is possible to grasp not only whether or not the subject 100 has slept or wandered, but also whether or not the subject 100 has excreted such as urine leakage or stool leakage, and snoring.
  • the notification unit 60 that issues an alarm based on the state of the target person 100 is provided.
  • the operator and the user can grasp the alarm issued in consideration of the biological information and the odor information. Therefore, the operator and the user can quickly take necessary measures for the target person 100 such as changing diapers.
  • the patient can be promptly taken necessary measures such as changing diapers and sheets without visually observing whether or not the patient has excreted. be able to. Therefore, the burden on caregivers, nurses, doctors, etc. who care for patients can be reduced, and it can be applied to home care, nursing care facilities, hospitals, and the like.
  • the notification unit 60 that issues an alarm by vibrating based on the state of the target person 100 is provided.
  • the alarm issued in consideration of the biological information and the odor information can be grasped by vibration. Therefore, even a visually or hearing-impaired user can quickly take necessary measures for the target person 100 such as changing diapers.
  • the sound collecting unit 58 for detecting sound information is provided, and the discriminating unit discriminates the state of the subject 100 based on biological information such as respiratory rate, odor information, and sound information.
  • biological information such as respiratory rate, odor information, and sound information.
  • the state of the subject 100 can be determined in more detail based on the biological information such as the respiratory rate, the odor information, and the sound information.
  • the operator and the user can grasp the state of the target person 100 in consideration of the biological information, the odor information, and the sound information in more detail.
  • the temperature / humidity detection unit 61 for detecting temperature / humidity information regarding temperature and humidity is provided, and the discrimination unit is based on biological information such as respiratory rate, odor information, and temperature / humidity information of the subject 100. Determine the state. Thereby, the state of the subject 100 can be determined in more detail based on the biological information such as the respiratory rate, the odor information, and the temperature / humidity information. Therefore, the operator and the user can grasp the state of the subject 100 in more detail in consideration of the biological information, the odor information, and the temperature / humidity information.
  • the air pad 34 is fixed to the first and second polypropylene plates 131 and 132 by a fixing material. As a result, even when the subject 100 on the sensor mat 10 rolls over and moves, it is possible to prevent the air pad 34 from shifting with respect to the polypropylene plates 131 and 132. Therefore, air can be stably output from the sensor board 30, and biological information such as the respiratory rate of the subject 100 can be detected with higher accuracy.
  • the cushion member 33 is fixed to the first and second polyvinyl chloride plates 31 and 32 by a fixing material.
  • a fixing material As a result, even when the subject 100 on the sensor mat 10 rolls over and moves, it is possible to prevent the cushion member 33 from shifting with respect to the polypropylene plates 131 and 132. Therefore, the air pad 34 provided in the recess 33a is less likely to be displaced from the first and second polypropylene plates 131 and 132. As a result, air can be stably output from the sensor board 30, and biological information such as the respiratory rate of the subject 100 can be detected with higher accuracy.
  • the determination is made based on the biological information such as the respiratory rate and the heart rate acquired by the biological information detection unit 55, the odor information acquired by the odor detection unit 57, and the biological information and the odor information.
  • the status of the subject can be notified to a remote caregiver by wire or wirelessly. Therefore, the caregiver can immediately grasp the condition of the subject.
  • Biological information detection device 10 Sensor mat 20: Sensor mat cover 20A: Sensor mat cover 21: Bag part 22: Lid part 25: Fastener 26: Tube protection bag 27: Handle 30: Sensor board 31: First polyvinyl chloride Vinyl plate 32: Second polyvinyl chloride plate 33: Cushion member 33a: Recessed 34: Air pad 34a: Air pipe 35: Fixing material 36: Fixing material 50: Main body 51: piezoelectric element 52: Filter circuit 53: Maximum value detection Instrument 54: Counter 55: Biological information detection unit 56: Transmission unit 57: Odor detection unit 58: Sound collection unit 59: Judgment unit 60: Notification unit 61: Temperature and humidity detection unit 70: Silicon tube 71: Y-shaped connector 72: Silicon Tube 80: Sponge 100: Subject 131: First polypropylene plate 132: Second polypropylene plate 200: Biometric information communication system 210: Biometric information management server 220: Information terminal device 230: Biometric information management server

Abstract

La présente invention concerne un dispositif de détection d'informations biologiques qui est pourvu d'un tapis de détection d'informations biologiques, d'une unité de détection d'informations biologiques pour détecter des informations biologiques périodiques d'un sujet, d'une unité de détection d'odeur pour détecter des informations d'odeur relatives à l'odeur, et d'une unité de détermination pour déterminer un état du sujet sur la base des informations biologiques et des informations d'odeur. Le dispositif de détection d'informations biologiques est caractérisé en ce que : le tapis de détection d'informations biologiques comporte un sac d'air, un élément de coussin de type plaque dans lequel un évidement ayant une taille sensiblement identique à la taille du sac d'air est formé dans une partie centrale de celui-ci et le sac d'air est ajusté dans l'évidement, et une paire d'éléments de résine synthétique de type plaque qui ont une taille sensiblement identique à la taille de l'élément de coussin de type plaque, peuvent être entièrement incurvés, et sont disposés de façon à prendre en sandwich l'élément de coussin de type plaque entre ceux-ci ; et l'unité de détection d'informations biologiques détecte les informations biologiques sur la base de la pression d'air provenant du tapis de détection d'informations biologiques.
PCT/JP2020/001322 2019-12-20 2020-01-16 Dispositif de détection d'informations biologiques et système de communication d'informations biologiques WO2021124591A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-230210 2019-12-20
JP2019230210A JP2021097797A (ja) 2019-12-20 2019-12-20 生体情報検出装置及び生体情報通信システム

Publications (1)

Publication Number Publication Date
WO2021124591A1 true WO2021124591A1 (fr) 2021-06-24

Family

ID=76478725

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/001322 WO2021124591A1 (fr) 2019-12-20 2020-01-16 Dispositif de détection d'informations biologiques et système de communication d'informations biologiques

Country Status (2)

Country Link
JP (1) JP2021097797A (fr)
WO (1) WO2021124591A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008194400A (ja) * 2007-02-16 2008-08-28 Kinden Corp 空気圧式検知センサ
JP2015100629A (ja) * 2013-11-27 2015-06-04 吉田　一雄 生態検知装置及び生態検知方法
WO2015137433A1 (fr) * 2014-03-12 2015-09-17 株式会社リキッド・デザイン・システムズ Coussin d'air pour la détection d'informations biométriques, dispositif pour la détection d'informations biométriques, et système pour la distribution d'informations biométriques
JP2016012175A (ja) * 2014-06-27 2016-01-21 吉田　一雄 見守りシステム
US20160217672A1 (en) * 2015-01-28 2016-07-28 Samsung Electronics Co., Ltd. Method and apparatus for improving and monitoring sleep
JP2016179035A (ja) * 2015-03-24 2016-10-13 スター精密株式会社 生体信号検出装置
JP2018019763A (ja) * 2016-08-01 2018-02-08 ミネベアミツミ株式会社 身体状態モニタリングシステム
WO2019245055A1 (fr) * 2018-06-22 2019-12-26 株式会社リキッド・デザイン・システムズ Tapis pour la détection d'informations biologiques, dispositif pour la détection d'informations biologiques et système pour la distribution d'informations biologiques

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008194400A (ja) * 2007-02-16 2008-08-28 Kinden Corp 空気圧式検知センサ
JP2015100629A (ja) * 2013-11-27 2015-06-04 吉田　一雄 生態検知装置及び生態検知方法
WO2015137433A1 (fr) * 2014-03-12 2015-09-17 株式会社リキッド・デザイン・システムズ Coussin d'air pour la détection d'informations biométriques, dispositif pour la détection d'informations biométriques, et système pour la distribution d'informations biométriques
JP2016012175A (ja) * 2014-06-27 2016-01-21 吉田　一雄 見守りシステム
US20160217672A1 (en) * 2015-01-28 2016-07-28 Samsung Electronics Co., Ltd. Method and apparatus for improving and monitoring sleep
JP2016179035A (ja) * 2015-03-24 2016-10-13 スター精密株式会社 生体信号検出装置
JP2018019763A (ja) * 2016-08-01 2018-02-08 ミネベアミツミ株式会社 身体状態モニタリングシステム
WO2019245055A1 (fr) * 2018-06-22 2019-12-26 株式会社リキッド・デザイン・システムズ Tapis pour la détection d'informations biologiques, dispositif pour la détection d'informations biologiques et système pour la distribution d'informations biologiques

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Breathing Sensor IBUKI ONE Instruction Manual for IBUKI NAP Set", IBUKI ONE IBUKI NAP MANUAL, 10 October 2019 (2019-10-10), pages 2 - 4, Retrieved from the Internet <URL:https://support.liquiddesign.co.jp/manual-2> *

Also Published As

Publication number Publication date
JP2021097797A (ja) 2021-07-01

Similar Documents

Publication Publication Date Title
US20230063373A1 (en) Method and apparatus for monitoring vital signs remotely
US20190053761A1 (en) Systems and methods for monitoring a subject at rest
JP5210264B2 (ja) 生体情報を収集し伝達する装置
JP3661686B2 (ja) 監視装置
WO2016108582A1 (fr) Système de lit intelligent et procédé de commande
JP4013195B2 (ja) 就寝状態監視装置
US20090054792A1 (en) Heartbeat/respiration sensor and body monitor employing same
JPH0880285A (ja) 監視装置
KR102184237B1 (ko) 스마트 기저귀 병원 통합 모니터링 시스템
JP2001145605A (ja) 密閉空気式音センサを使用した生体情報収集装置
WO2019245055A1 (fr) Tapis pour la détection d&#39;informations biologiques, dispositif pour la détection d&#39;informations biologiques et système pour la distribution d&#39;informations biologiques
JP5095949B2 (ja) 乳幼児健康管理／監視装置
JP5887676B2 (ja) 生体情報検出用のエアパッド、生体情報検出装置及び生体情報配信システム
JP2004130012A (ja) 生体信号強度測定方法、並びに就寝状態判定方法及び就寝状態監視装置
KR101228300B1 (ko) 환자 간호용 매트
JP3419732B2 (ja) 密閉空気式音センサーを使用した生体情報収集装置
WO2021124591A1 (fr) Dispositif de détection d&#39;informations biologiques et système de communication d&#39;informations biologiques
CN217365834U (zh) 全方位照护装置
US11100779B1 (en) Comprehensive care device
JP3198194U (ja) 生体計測装置
JP2014147596A (ja) 離床予測装置
JP3227887U (ja) 排尿検知システム
JP2005028059A (ja) 在床における人体の状態を検知する装置
JP2001197990A (ja) 警報手段を備えた検知装置付き枕
KR20090079310A (ko) 대소변 감지시스템을 구비하는 모니터링 시스템

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20901193

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20901193

Country of ref document: EP

Kind code of ref document: A1