WO2016121592A1 - Dispositif de transmission de signaux biologiques - Google Patents

Dispositif de transmission de signaux biologiques Download PDF

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Publication number
WO2016121592A1
WO2016121592A1 PCT/JP2016/051535 JP2016051535W WO2016121592A1 WO 2016121592 A1 WO2016121592 A1 WO 2016121592A1 JP 2016051535 W JP2016051535 W JP 2016051535W WO 2016121592 A1 WO2016121592 A1 WO 2016121592A1
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WO
WIPO (PCT)
Prior art keywords
main body
biological signal
disposable
transmission device
side electrode
Prior art date
Application number
PCT/JP2016/051535
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English (en)
Japanese (ja)
Inventor
土基　博史
猛 片矢
Original Assignee
株式会社村田製作所
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Application filed by 株式会社村田製作所 filed Critical 株式会社村田製作所
Priority to JP2016571969A priority Critical patent/JP6365693B2/ja
Publication of WO2016121592A1 publication Critical patent/WO2016121592A1/fr

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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
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/251—Means for maintaining electrode contact with the body
    • A61B5/257—Means for maintaining electrode contact with the body using adhesive means, e.g. adhesive pads or tapes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/263—Bioelectric electrodes therefor characterised by the electrode materials
    • A61B5/266—Bioelectric electrodes therefor characterised by the electrode materials containing electrolytes, conductive gels or pastes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]

Definitions

  • the present invention relates to a biological signal transmitter that transmits a biological signal input from a living body to an external device.
  • a transmission module 2 is connected by a lead 3 to a pair of electrode parts 1 attached to a body surface such as a chest of a subject.
  • the transmission module 2 operates by receiving electric power supplied from the power supply unit 4, amplifies the potential change of the body surface detected by the electrode unit 1 to a predetermined level by the amplification unit 5, and the R wave detection unit 6 To enter.
  • the R wave detection unit 6 detects an R wave from the received electrocardiogram signal and sends it to the transmission unit 7.
  • the transmission unit 7 transmits an output communication signal 8 using a radio wave having a predetermined time width to the wristwatch-type signal receiver in synchronization with the input R wave detection signal.
  • This signal transmitter can be reused by being stuck to the body surface of the subject by the sticking part and selecting the adhesive of the sticking part. In that case, it is effective to use a rechargeable secondary battery for the power supply unit 4.
  • FIG. 1 There is also a conventional wearable wireless transmission type electrocardiograph shown in FIG.
  • This electrocardiograph operates on a small battery 10 such as a button-type battery, and the electrodes 11, 12, and 13 are continuously attached to the subject's chest by the adhesive force of the adhesive pad.
  • the electrocardiogram signals measured by the electrodes 11, 12, and 13 are amplified by the electrocardiogram measurement amplifier 14a in the electrocardiogram measurement unit 14, are analog / digital converted by the A / D 14b, and are input to the CPU 14c.
  • the CPU 14c checks whether or not the subject's heart rate is within a predetermined number range and whether or not the rate of change of the heart rate is within the predetermined rate of change based on the timing signal given every predetermined time from the timer 14d.
  • the electrocardiographic data for a predetermined time is output to the wireless transmission unit 15.
  • the wireless transmission unit 15 transmits the electrocardiogram data for a short predetermined time toward a recording device or a wireless relay unit attached to the subject's waist or the
  • This biological signal transmitting apparatus is composed of a biological mounting part 21 and a transmitter 22.
  • a support body 23 mounted on the surface of a living body is made of a dielectric material, and an electrode 24 for detecting a biological signal and a microstrip antenna (MSA) 25 are integrally provided on the support body 23.
  • the MSA 25 includes a ground plate 26 disposed on the living body mounting surface of the support 23 and a radiation plate 27 disposed on the opposite surface of the support 23.
  • the transmitter 22 is provided with an electric circuit 32 including an amplification unit 28, a modulation unit 29, a power supply unit 30 and a transmission unit 31.
  • the transmitter 22 is mounted on a support 23, and the electrode 24 and the amplifier 28 are electrically connected to each other via the connector 33, and the MSA 25 and the transmitter 31 are electrically connected to each other via the connectors 34 and 35.
  • the electrode 36 attached to the other part of the living body is connected to the amplification unit 28 via the connector 37.
  • Each connector 33, 34, 35 includes a hook provided on the living body mounting portion 21 side and a female hook provided on the transmitter 22 side.
  • the power is supplied from the power supply unit 30 to the amplification unit 28, the modulation unit 29, and the transmission unit 31.
  • the biological signals detected by the electrodes 24 and 36 are amplified by the amplification unit 28, modulated by the modulation unit 29, and sent from the transmission unit 31 to the MSA 25.
  • the MSA 25 wirelessly transmits the received biological signal to the receiver.
  • any of the biological signal transmitters disclosed in the above-mentioned conventional patent documents 1, 2, and 3 operates using a primary battery or a secondary battery as a power source, and when the battery is exhausted, the battery is taken out and charged. The battery must be replaced. For this reason, the conventional biomedical signal transmission apparatus took time and effort to handle.
  • a main body provided with at least a secondary battery or a capacitor, a disposable part which is attached to a living body and inputs a biological signal from the living body, and a main body part which electrically connects the main body part and the disposable part are provided.
  • the disposable part has a non-contact power receiving circuit that receives power from the outside in a non-contact manner and supplies power to the secondary battery or capacitor,
  • a biological signal transmitting apparatus configured to transmit a biological signal input from a living body to an external device using electric power stored in a secondary battery or a capacitor.
  • the main body part can be reduced in size and price.
  • the biological signal transmission device cannot receive power from the outside by the non-contact power receiving circuit. Even if it exists, a biological signal transmitter can operate
  • the present invention is characterized in that the conductive material protrudes from the main body portion to form the main body side electrode, and the conductive material protrudes from the disposable portion to form the disposable side electrode.
  • the main body side electrode and the disposable side electrode can be manufactured at low cost with a simple structure, and the main body portion and the disposable portion are electrically connected at low cost. For this reason, in order to electrically connect the main body part and the disposable part, it is necessary to prepare a dedicated structural member such as a connector composed of a hook and a female hook like a conventional biological signal transmission device. Disappear. Therefore, it can suppress that the product cost of a biosignal transmitter increases.
  • the present invention also provides: The main body side electrode and the disposable side electrode are arranged in a row, The body part and the disposable part are fixed to each other by a fixing material around the body side electrode and the disposable side electrode arranged in a row, with the body side electrode and the disposable side electrode facing each other, Any one of the main body side electrode and the disposable side electrode is formed such that the one arranged at both ends of the row has a lower protruding height than the one arranged inside the row and is higher than the height of the fixing material It is characterized by that.
  • the thinly formed disposable part is Even if the distance between the main electrode and the disposable side electrode that is bent and arranged inside the row is widened, one of the main body side electrode and the disposable side electrode is arranged in the inner row. Since it protrudes from what was arrange
  • one of the main body side electrode and the disposable side electrode arranged at both ends of the row is a fixing material that fixes the main body portion and the disposable portion to each other around the main body side electrode or the disposable side electrode. Since the height is higher than the height, the opposing main body side electrode and the disposable side electrode are well electrically connected with a predetermined contact pressure.
  • the present invention is characterized in that a main body side electrode and a disposable side electrode for connecting a secondary battery or a capacitor and a non-contact power receiving circuit are arranged at both ends of a line.
  • the main body side electrode and the disposable side electrode arranged at both ends of the row having the lowest height among the main body side electrode and the disposable side electrode arranged in a row are used and provided in the main body portion.
  • the secondary battery or the capacitor and the non-contact power receiving circuit provided in the disposable part are electrically connected. Therefore, the main body side electrodes arranged at both ends of the row where the voltage of the electric power fed from the non-contact power receiving circuit to the secondary battery or the capacitor is monitored on the main body side and the lowest height is most likely to cause a contact failure; By detecting the connection state with the disposable side electrode, it becomes possible to reliably detect the connection state between all the main body side electrodes arranged in a row and the disposable side electrode.
  • the present invention is characterized in that the non-contact power receiving circuit is an antenna capable of data communication that receives power and transmits a biological signal to an external device.
  • the main body side electrode and the disposable side electrode that connect between the secondary battery or the capacitor and the non-contact power receiving circuit are arranged at both ends of the row, it is detected whether or not data communication can be performed by a data reader or the like. This makes it possible to detect the connection state between the main body side electrode and the disposable side electrode.
  • the present invention is characterized by including a wireless communication circuit that transmits a biological signal to an external device separately from the antenna.
  • the biological signal can be transmitted to the external device in real time by the wireless communication circuit.
  • the present invention is characterized in that the secondary battery provided in the main body part or the capacitor or the primary battery or secondary battery for assisting the capacitor is provided in the disposable part.
  • the disposable part is provided.
  • the shortage is compensated by the capacitor, the primary battery or the secondary battery. For this reason, it is possible to instantaneously use power exceeding the current capacity that cannot be supplied only by the secondary battery or capacitor provided in the main body, and the secondary battery or capacitor having an unnecessarily large storage capacity can be used. No need to install on For this reason, it is possible to reduce the size and cost of the main body while securing a large instantaneous current consumption supply capability.
  • the present invention is characterized in that a mark for guiding the mutual position of the main body part and the disposable part is formed on the disposable part.
  • the main body is fixed to the disposable part by being guided by the mark formed on the disposable part. For this reason, the mutual position of the main body side electrode provided on the main body portion side and the disposable side electrode provided on the disposable portion side is easily and accurately positioned, and the main body portion and the disposable portion can be easily and quickly Accurately connected electrically.
  • the present invention is characterized by including a voltage stabilizing circuit that keeps a voltage supplied to an analog sensor circuit for detecting and processing a biological signal at a constant value.
  • the analog sensor circuit for detecting and processing the biological signal can operate stably, and the biological signal can be accurately measured with high reproducibility.
  • the present invention is characterized in that a circuit other than a secondary battery or a capacitor and a sensor for measuring a biological signal is formed in the disposable part.
  • the main body is provided with only the secondary battery or capacitor and the sensor for measuring the biological signal. For this reason, the assembly of the main body is facilitated, and the size of the main body is reduced, so that the manufacturing cost of the main body is reduced. Further, since the number of components provided in the main body portion is reduced, the required number of main body side electrodes and disposable side electrodes for electrically connecting the main body portion and the disposable portion is also reduced. As a result, the total manufacturing cost of the biological signal transmitter is reduced.
  • the present invention is characterized in that a secondary battery or a capacitor and a sensor for measuring a biological signal are provided in the main body without using a circuit board.
  • the manufacturing cost of the main body is further reduced. For this reason, the total manufacturing cost of the biological signal transmitter is further reduced.
  • the present invention there is no need to take out a battery from the biological signal transmission device and charge or replace the battery as in the prior art, and convenience in handling the biological signal transmission device is improved.
  • FIG. 1 is a plan view of a biological signal transmission apparatus according to a first embodiment of the present invention.
  • A is a top view of the film part which comprises the biological signal transmitter by 1st Embodiment,
  • b) is a side view of the film part,
  • c) is a biological signal transmission by 1st Embodiment.
  • the internal perspective top view of the main-body part which comprises an apparatus (d) is a side view of the main-body part, (e) is the biological signal transmission by 1st Embodiment when a main-body part adheres on a film part. It is a side view of an apparatus.
  • (A) is a partially enlarged side view of the electrode part for electrically connecting the main body part and the film part shown in FIG. 5 (e), and (b) is a state in which the main body part and the film part are fixed. It is a partially expanded side view of the electrode part.
  • FIG. 4 is a plan view of the biological signal transmitter 41 according to the first embodiment of the present invention.
  • the biological signal transmission device 41 includes a film part 42 having a thickness of about 25 ⁇ m or 50 ⁇ m, and a module-like main body part 43 fixed on the film part 42.
  • the film part 42 is a disposable part that is attached to a living body and inputs a biological signal from the living body.
  • an inexpensive and excellent electrode processability material such as a polyethylene terephthalate (PET) material or a polyimide material is selected, and the cost of the disposable part is reduced.
  • the main body 43 has a watertight sealed structure in which the electronic component is surrounded by resin or the electronic component is housed in a casing that does not open and close, and has a certain thickness. It is formed in a rectangular parallelepiped shape having rigidity.
  • FIG. 5 (a) is a plan view of the film part 42
  • FIG. 5 (b) is a side view.
  • FIG. 7 is a block configuration diagram showing a schematic configuration of the biological signal transmission device 41.
  • a pair of electrocardiographic electrodes 51, 51 made of a conductive gel is provided on the human body pasting surface, which is the lower surface of the film portion 42.
  • the pair of electrocardiographic electrodes 51 and 51 are continuously applied to the surface of the living body. Contact.
  • the attachment of the film part 42 to the human body is not limited to such a conductive gel, and the entire lower surface of the film part 42 excluding the part where the electrocardiographic electrodes 51 and 51 are formed is adhered to the human body with a plaster-like adhesive tape. It can also be configured to be affixed to the skin.
  • a harvest antenna (Harvest ANT) 53 that receives electric power from outside without contact and supplies power to the EDLC 61 described later, and four electrode pads 54 a, 54 b, 54 c, 54 d are formed. ing.
  • the ANT 53 and the electrode pads 54a, 54b, 54c, 54d are formed on the film portion 42 by printing or the like using film electronics (FE) or printed electronics (PE) technology.
  • the ANT 53 constitutes a non-contact power receiving circuit.
  • the ANT 53 receives electric power in a non-contact manner by an electromagnetic induction method from an AC magnetic field formed by a power transmission coil included in an external device such as a reader / writer (signal reader / writer).
  • the non-contact power receiving circuit is configured by an electromagnetic induction method, but is not limited thereto.
  • the non-contact power receiving circuit is, for example, a magnetic resonance method that receives power in a non-contact manner by magnetic energy accumulated in the space by LC resonance, or an electrostatic charge accumulated in the space by flowing a displacement current between the capacitor plates. It can also be configured by an electric field resonance method in which power is received by energy in a non-contact manner.
  • the electrode pads 54 a, 54 b, 54 c, 54 d are formed by a printed conductive material protruding from the film part 42 and arranged in a row, and electrically connect the film part 42, which is a disposable part, and the main body part 43.
  • the disposable electrode provided on the film part 42 side is configured.
  • the ANT 53 receives power as described above, and has a configuration capable of data communication (Data TRX) for transmitting a biological signal detected by the electrocardiographic electrodes 51 and 51 to an external device. ing.
  • Data TRX data communication
  • One end of the wiring constituting the ANT 53 is connected to the electrode pad 54a, the other end is connected to the electrode pad 54d, and the electrode pads 54a and 54d arranged at both ends of the row are used, and the EDLC 61 and the ANT 53 are electrically connected.
  • one electrode pad 54 b arranged inside a row is one of a pair of electrocardiographic electrodes 51, 51 via a wiring 55, and the other electrode pad 54 c is a pair of electrocardiographic electrodes 51 via a wiring 56. , 51 are electrically connected through through holes.
  • marks for guiding the mutual positions of the main body part 43 and the film part 42 are formed as dummy electrodes 57.
  • This dummy electrode 57 is also formed on the film part 42 together with the ANT 53 and the electrode pads 54a, 54b, 54c, 54d by FE or PE technology.
  • the mark for guiding the mutual position between the main body 43 and the film part 42 is not limited to the dummy electrode 57, and can be formed by making a hole in the film part 42 or the like.
  • a fixing material 58 for fixing the main body 43 and the film part 42 to each other is provided on the upper surface of the film part 42 surrounding the electrode pads 54a, 54b, 54c, 54d.
  • the fixing material 58 is composed of, for example, a double-sided tape or the like, but may be any other material as long as it has adhesiveness.
  • the fixing material 58 is provided so that the fixing material 58 completely surrounds the electrode pads 54a, 54b, 54c, and 54d.
  • the fixing material 58 is not limited to this, and the electrode pad 54a. , 54b, 54c, 54d may be provided in the periphery by separating them into two or more.
  • FIG. 5C is an internal perspective plan view of the main body 43
  • FIG. 5D is a side view.
  • ball electrodes 59a, 59b, 59c, and 59d that face the electrode pads 54a, 54b, 54c, and 54d of the film portion 42 are formed on the lower surface of the main body 43.
  • the ball electrodes 59a, 59b, 59c, and 59d are formed by a spherical body of conductive material protruding from the main body portion 43 and arranged in a row, and electrically connecting the main body portion 43 and the film portion 42.
  • the main body side electrode provided on the portion 43 side is configured.
  • the main body portion 43 and the film portion 42 are fixed by placing the main body portion 43 on the film portion 42 using the dummy electrode 57 of the film portion 42 as a mark. It is fixed by the material 58. By this fixing, the opposing ball electrodes 59a, 59b, 59c, 59d and the electrode pads 54a, 54b, 54c, 54d are electrically connected. When a failure occurs in this electrical connection, the film part 42 is replaced with a new one, and the main body part 43 is attached to the new film part 42 again.
  • the pitch between the ball electrodes 59a, 59b, 59c, 59d and the electrode pads 54a, 54b, 54c, 54d takes into account the deviation of the formation position of the dummy electrode 57 from the proper position and the deviation at the time of attachment by the user.
  • the pitch is set to a sufficiently large pitch, and the probability of malfunction occurring in the biological signal transmitter 41 is reduced.
  • the ball electrodes 59a, 59b, 59c, and 59d have protrusion heights h1 of the ball electrodes 59a and 59d arranged at both ends of the row.
  • the ball electrodes 59b and 59c arranged on the inner side of one row are formed lower than the protruding height h2. For this reason, the ball electrodes 59b and 59c on the side of the main body 43 arranged on the inner side in a row after the main body 43 and the film part 42 are attached have a structure that is easy to hit the electrode pads 54b and 54c on the side of the film 42. It has become.
  • the main body portion 43 and the film portion 42 are opposed to ball electrodes 59a, 59b, 59c, 59d and electrode pads 54a, 54b, 54c, With the contact 54d in contact, the ball electrodes 59a, 59b, 59c, 59d arranged in a row and the electrode pads 54a, 54b, 54c, 54d are fixed to each other by the fixing material 58 outside.
  • the protruding heights h1 of the ball electrodes 59a and 59d arranged at both ends of the row are formed higher than the height h3 of the fixing material 58 after the main body 43 and the film part 42 are fixed.
  • the protruding heights h1 of the ball electrodes 59a, 59d arranged at both ends of the ball electrodes 59a, 59b, 59c, 59d arranged in a line on the main body 43 are arranged inside the line.
  • the protruding heights of the ball electrodes 59a, 59b, 59c, 59d are set to be equal, and the electrode pads 54a, 54d arranged at both ends of the electrode pads 54a, 54b, 54c, 54d arranged in a line on the film part 42 are set.
  • EDLC electric double layer capacitor
  • Harvest IC 62
  • REG regulator
  • ECG electrocardiograph
  • NTC thermistor 65
  • 66 66
  • a temperature 66
  • a measurement circuit 67 and a micro control unit (MCU) 68 are accommodated.
  • the harvest IC 62 is an IC (High Density Integrated Circuit) having a near field communication (NFC) function, and uses the power stored in the EDLC 61 to transmit a biological signal input from a living body to an external device by the ANT 53. . Further, the harvest IC 62 receives a command from an external device such as a reader / writer by the ANT 53 and transmits a reply according to the received command by the ANT 53. The ANT 53 receives power by the data carrier and transmits power to the EDLC 61 even when such data is transmitted / received. In the present embodiment, the configuration in which the power received by the ANT 53 is stored in the EDLC 61 is described. However, the configuration may be such that the secondary battery stores the power instead of the EDLC 61.
  • the ECG 64 takes in an electrocardiographic signal input from the pair of electrocardiographic electrodes 51 and 51 as a biological signal and amplifies it by an analog amplifier. Then, the amplified biological signal is converted from an analog signal to a digital signal by an analog / digital converter (ADC) and output to the MCU 68. Also, Temp. 67 takes in the voltage according to the body temperature input from NTC thermistors 65 and 66 as a biological signal, and amplifies it with an analog amplifier. The amplified biological signal is converted from an analog signal to a digital signal by the ADC and output to the MCU 68.
  • ADC analog / digital converter
  • the NTC thermistors 65 and 66 are provided at two locations away from the main body 43, and the MCU 68 calculates the deep body temperature inside the living body from the body temperature measured at the two locations and the thermal resistance between the two locations.
  • the MCU 68 operates with an algorithm according to the stored firmware and controls the operation of each part of the circuit.
  • the voltage received from the harvest IC 62 after being received by the ANT 53 varies depending on the distance between the external device on the power supply side that transmits power to the ANT 53 from the outside and the ANT 53.
  • this fluctuating supply voltage is maintained at a constant value by the REG 63.
  • ECG64, Temp. 67 and MCU 68 are supplied with a voltage maintained at a constant value by REG 63, and ECG 64, Temp. 67 and MCU 68 are always operated at a constant voltage.
  • REG63 is an analog sensor circuit that detects and processes biological signals, ECG64 and Temp.
  • a voltage stabilization circuit is configured to keep the reference voltage supplied to 67 at a constant value.
  • MCU68 is the ECG data detected by ECG64, and Temp.
  • the living body deep body temperature data calculated by the biological signal from 67 is transmitted to the external device by controlling the harvest IC 62.
  • the biological signal transmission device 41 receives power from the outside in a non-contact manner by the ANT 53 provided in the film unit 42 as described above. Power is supplied to the EDLC 61 or the secondary battery provided in the main body 43. Transmission of a biological signal such as an electrocardiogram signal or a deep body temperature input from a living body to an external device is performed using this electric power stored in the EDLC 61 or the secondary battery. For this reason, it is not necessary to take out and charge the battery or replace the battery as in the conventional biological signal transmission device, and the convenience in handling the biological signal transmission device 41 is improved.
  • the main body part 43 can be reduced in size and price. Moreover, even if the harvesting environment in which the biological signal transmission device 41 cannot receive power from the outside by the ANT 53 is in a bad state, the biological signal transmission device 41 operates independently by using the power stored in the EDLC 61 or the secondary battery. Can be done. Therefore, the biological signal transmission device 41 can operate continuously without being influenced by the environment in which the biological signal transmission device 41 is placed. The biological signal transmission device 41 can continuously acquire a biological signal from a living body or continuously acquire the acquired biological signal to an external device. It is also possible to transmit a biological signal in a part such as a armpit that is difficult to receive or receive power from the outside.
  • the electrode pads 54a, 54b, 54c, 54d are formed by projecting a conductive material or the like and projecting from the film part 42, and the ball electrodes 59a, 59b, Since 59c and 59d are formed by projecting the conductive material into a spherical mass and projecting from the main body 43, the electrode pads 54a, 54b, 54c and 54d and the ball electrodes 59a, 59b, 59c and 59d are simple and inexpensive. Can be manufactured. Therefore, the main body portion 43 and the film portion 42 are electrically connected at a low cost.
  • the main body portion 43 and the film portion 42 are fixed to each other by the fixing material 58, and the opposing electrode pads 54a, 54b, 54c, 54d and the ball
  • the electrodes 59a, 59b, 59c, and 59d are electrically connected, the thin film portion 42 is bent, and the distance between the electrode pads 54b and 54c and the ball electrodes 59b and 59c arranged on the inner side of the row is increased.
  • the ball electrodes 59b, 59c, 59d are spread, the ball electrodes 59b, 59c arranged inside one row of the ball electrodes 59a, 59b, 59d protrude from the ball electrodes 59a, 59d arranged at both ends of the row. Electrical connection between the inner electrode pads 54b and 54c and the ball electrodes 59b and 59c is ensured. Similarly, when the electrode pads 54b and 54c arranged inside one row of the electrode pads 54a, 54b, 54c and 54d protrude from the electrode pads 54a and 54d arranged at both ends of the row, the same applies. The electrical connection between the inner electrode pads 54b and 54c and the ball electrodes 59b and 59c is ensured.
  • 54a and 54d are higher than the height h3 of the fixing material 58 that fixes the main body portion 43 and the film portion 42 to each other outside both ends thereof, so that the opposing ball electrodes 59a, 59b, 59c, 59d and electrode pads 54a, 54b, 54c and 54d are electrically connected well with a predetermined contact pressure.
  • the height is the lowest among the ball electrodes 59a, 59b, 59c, 59d and the electrode pads 54a, 54b, 54c, 54d arranged in a line.
  • Ball electrodes 59a and 59d and electrode pads 54a and 54d arranged at both ends of one row are used, and an electrical connection is made between the EDLC 61 or the secondary battery provided in the main body 43 and the ANT 53 provided in the film part 42. Connected to.
  • the voltage of the electric power supplied from the ANT 53 to the EDLC 61 or the secondary battery is monitored by the MCU 68 on the main body 43 side, and the ball electrodes 59a disposed at both ends of the row having the lowest height and the most prone to contact failure.
  • the connection state between all the ball electrodes 59a, 59b, 59c and 59d arranged in a row and the electrode pads 54a, 54b, 54c and 54d is ensured. It becomes possible to detect.
  • the biological signal transmission device 41 by receiving power from the outside with the ANT 53 capable of data communication, power can be received at the same time during data communication, and the convenience of the biological signal transmission device 41 is achieved. Improves. Further, by detecting whether or not data communication can be performed with the biological signal transmission device 41 by an external device such as a reader / writer, the connection state between the ball electrodes 59a and 59d and the electrode pads 54a and 54d is detected. Is possible.
  • the main body 43 is fixed to the film part 42 while being guided by the dummy electrode 57 formed on the film part 42. For this reason, the mutual positions of the ball electrodes 59a, 59b, 59c, 59d provided on the main body 43 side and the electrode pads 54a, 54b, 54c, 54d provided on the film portion 42 side are easily and accurately positioned.
  • the main body portion 43 and the film portion 42 are electrically connected easily, quickly and accurately.
  • ECG 64 and Temp. 67 can operate stably, and can measure a biological signal accurately and with high reproducibility.
  • FIG. 8 is a block configuration diagram showing a schematic configuration of a biological signal transmission device 41A according to the second embodiment of the present invention. In the figure, the same or corresponding parts as in FIG.
  • the biological signal transmission device 41A includes a WiFi or BAN (BodyBArea Network) circuit 71 in the main body 43 separately from the ANT53, and a large capacity capacitor (Film CAP) 72 in the film unit 42. And the point that the NTC thermistor 66 provided in the main body portion 43 is provided in the film portion 42 is different from the biological signal transmission device 41 according to the first embodiment.
  • BAN BodyBArea Network
  • the WiFi / BAN circuit 71 is configured by a low power consumption (IC) IC, and configures a wireless communication circuit that transmits a biological signal to an external device.
  • the film CAP 72 is formed by a printing method or the like and has a function of assisting the EDLC 61 or the secondary battery provided in the main body 43.
  • the biological signal transmission device 41A includes electrode pads 54e and 54f on the film part 42 side and ball electrodes 59e and 59f on the body part 43 side in order to electrically connect the Film CAP 72 with the EDLC 61 or the secondary battery.
  • a primary battery or a lithium polymer secondary battery may be formed by a printing method or the like.
  • the biological signal transmission device 41A sets the NTC thermistor 66 to Temp.
  • electrode pads 54g and 54h are provided on the film part 42 side, and ball electrodes 59g and 59h are provided on the main body part 43 side.
  • the electrode pads 54a to 54h on the film part 42 side and the ball electrodes 59a to 59h on the main body part 43 side are arranged in a row, and the electrode pads 54a and 54d and the ball electrodes 59a that electrically connect the ANT 53 and the harvest IC 62 to each other.
  • 59d is arranged at both ends of one row.
  • the protruding heights of the ball electrodes 59a, 59d arranged at both ends of the row are lower than the protruding heights of the ball electrodes 59b, 59c, 59e to 59h arranged inside the row, and the height of the fixing material 58 is high. Higher than that, formed.
  • the protruding heights of the electrode pads 54a and 54d arranged at both ends of the row are lower than the protruding heights of the electrode pads 54b, 54c and 54e to 54h arranged inside the row, and the height of the fixing material 58 is high. Higher than that, formed.
  • the biological signal transmission device 41A according to the second embodiment as described above, the same effects as the biological signal transmission device 41 according to the first embodiment can be obtained, and even when communication by the ANT53 cannot be performed.
  • the bio-signal can be transmitted to the external device in real time by the WiFi / BAN circuit 71.
  • the WiFi / BAN circuit 71 on the main body 43 side is used as a communication means with an external device, the ANT 53 can be used for non-contact power reception.
  • the power amplifier (PA) in the circuit performs a burst operation, resulting in an instantaneous increase in current consumption.
  • the electric power stored in the EDLC 61 or the secondary battery provided in the unit 43 is insufficient, the shortage is compensated by the FilmFiCAP 72 or the primary battery or the lithium polymer secondary battery provided in the film unit 42.
  • the FilmFiCAP 72 or the primary battery or the lithium polymer secondary battery provided in the film unit 42 it is possible to instantaneously use power exceeding the current capacity that cannot be supplied only by the EDLC 61 or the secondary battery provided in the main body 43, and the EDLC 61 or the secondary battery having an unnecessarily large storage capacity is installed in the main body. It is not necessary to mount the unit 43. For this reason, it is possible to reduce the size and cost of the main body 43 while securing a large instantaneous current consumption supply capability.
  • NTC thermistor 66 is provided on the side of the film part 42 that is very close to the living body and the body temperature of the living body can be measured more accurately, the deep body temperature calculated from each body temperature measured by the NTC thermistor 65 and the NTC thermistor 66. Will be more accurate.
  • FIG. 9 is a block configuration diagram showing a schematic configuration of a biological signal transmission device 41B according to the third embodiment of the present invention. In the figure, the same or corresponding parts as in FIG.
  • all the circuits other than the EDLC 61 or the secondary battery and the NTC thermistor 65 for measuring the biological temperature are configured in the film unit 42 by a printing method or component mounting. However, it is different from the biological signal transmission device 41 according to the first embodiment.
  • the biological signal transmission device 41B connects the NTC thermistor 65 to Temp.
  • electrode pads 54i and 54j are provided on the film part 42 side, and ball electrodes 59i and 59j are provided on the main body part 43 side.
  • electrode pads 54k and 54l are provided on the film part 42 side, and ball electrodes 59k and 59l are provided on the body part 43 side.
  • the EDLC 61 or the secondary battery and the NTC thermistor 65 use lead type components instead of the surface mount type, and the lead wire of the NTC thermistor 65 is directly connected to the electrode pads 54i and 54j, the EDLC 61 or the secondary battery without using a circuit board.
  • the lead wires are directly connected to the ball electrodes 59i and 59j, and the EDLC 61 or the secondary battery and the NTC thermistor 65 are provided in the main body 43.
  • the harvest IC 62 and the ANT 53 and the ECG 64 and the pair of electrocardiographic electrodes 51 and 51 are directly connected without interposing electrodes.
  • the electrode pads 54i to 54l on the film part 42 side and the ball electrodes 59i to 59l on the main body part 43 side are arranged in a row, and electrode pads 54k, 54l for electrically connecting the EDLC 61 or the secondary battery and the harvest IC 62, and
  • the ball electrodes 59k and 59l are arranged at both ends of the line. Further, the protruding heights of the ball electrodes 59k, 59l arranged at both ends of the row are lower than the protruding heights of the ball electrodes 59i, 59j arranged inside the row, and higher than the height of the fixing member 58, It is formed.
  • the protruding height of the electrode pads 54k and 54l arranged at both ends of the row is lower than the protruding height of the electrode pads 54i and 54j arranged inside the row and higher than the height of the fixing member 58, It is formed.
  • the biological signal transmission device 41B according to the third embodiment the same operational effects as the biological signal transmission device 41 according to the first embodiment are exhibited. Furthermore, according to the biological signal transmission device 41B according to the third embodiment, the main body 43 is provided with only the EDLC 61 or the secondary battery and the NTC thermistor 65. For this reason, the assembly of the main body 43 is facilitated, and the size of the main body 43 is reduced, so that the manufacturing cost of the main body 43 is reduced. In addition, since the number of components provided in the main body 43 is reduced, the necessary number of electrodes for electrically connecting the main body 43 and the film part 42 is also greater than that of the biological signal transmission device 41A according to the second embodiment. Less.
  • the total manufacturing cost of the biological signal transmission device 41B is reduced.
  • the manufacturing cost of the main body 43 is further reduced. For this reason, the total manufacturing cost of the biological signal transmitter 41 is further reduced.
  • Electrocardiogram electrode 53 ... Harvest antenna 54a to 54l ... Electrode pads (disposable electrodes) 55, 56 ... wiring 57 ... dummy electrode (mark) 58 ... Adhesive material 59a to 59l ... Ball electrode (main body side electrode) 61 ... Electric double layer capacitor (EDLC) 62 ... Harvest IC 63 ... REG (voltage stabilization circuit) 64 ... ECG measurement circuit (ECG: analog sensor circuit) 65, 66 ... NTC thermistor 67 ... Temperature measurement circuit (Temp .: Analog sensor circuit) 68 ... Micro Control Unit (MCU) 71 ... WiFi / BAN circuit (wireless communication circuit) 72 ... Large Capacitor (Film CAP)

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Cardiology (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

La présente invention concerne un dispositif de transmission de signaux biologiques ayant une meilleure commodité de manipulation, de telle sorte qu'une batterie n'a pas à être retirée du dispositif afin d'être rechargée et de telle sorte également qu'un remplacement de batterie n'est pas nécessaire. Le dispositif de transmission de signaux biologiques (41) selon la présente invention est constitué d'une partie film extrêmement mince (42) et d'une partie corps principal modulaire (43) qui est fixée sur la partie film (42). La partie corps principal (43) et la partie film (42) sont fixées par un matériau de fixation (58) lorsque la partie corps principal (43) est placée sur la partie film (42). Des électrodes en boule (59a), (59b), (59c), (59d) et des cellules d'électrode (54a), (54b), (54c), (54d) qui se font face sont raccordées électriquement par cette fixation. Dans le dispositif de transmission de signaux biologiques (41), l'énergie électrique est reçue sans contact depuis l'extérieur par l'intermédiaire d'une antenne (53) qui est prévue dans la partie film (42), puis fournie à un condensateur à double couche électrochimique (EDLC) (61) ou à une batterie secondaire prévue dans la partie corps principal (43).
PCT/JP2016/051535 2015-01-30 2016-01-20 Dispositif de transmission de signaux biologiques WO2016121592A1 (fr)

Priority Applications (1)

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JP2015-017584 2015-01-30

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Cited By (1)

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JP2021528201A (ja) * 2018-06-29 2021-10-21 コアラ−ライフ アクチエボラグ ポータブルｅｃｇおよびｐｃｇセンサーデバイスのための電極延長アセンブリ

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EP1070479A2 (fr) * 1999-07-19 2001-01-24 Altec Incorporated Système et procédé de surveillance de signaux biologiques
US6577893B1 (en) * 1993-09-04 2003-06-10 Motorola, Inc. Wireless medical diagnosis and monitoring equipment
WO2006009767A1 (fr) * 2004-06-18 2006-01-26 Neuronetrix, Inc Électrode sans fil pour la mesure de biopotentiel
JP2007125104A (ja) * 2005-11-01 2007-05-24 Kyokko Denki Kk センサ信号インターフェース装置とそれを用いたロボット用インターフェースシステム
WO2010029966A1 (fr) * 2008-09-10 2010-03-18 国立大学法人筑波大学 Instrument à porter permettant de mesurer des signaux biologiques, et dispositif d’aide au mouvement à porter
JP2012515329A (ja) * 2009-01-13 2012-07-05 ラボラトワール ユルゴ 界面圧測定システム
JP2012135626A (ja) * 2005-03-09 2012-07-19 Cutisense As マイクロ電子システムを内部に埋め込んだ三次元接着デバイス

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6577893B1 (en) * 1993-09-04 2003-06-10 Motorola, Inc. Wireless medical diagnosis and monitoring equipment
EP1070479A2 (fr) * 1999-07-19 2001-01-24 Altec Incorporated Système et procédé de surveillance de signaux biologiques
WO2006009767A1 (fr) * 2004-06-18 2006-01-26 Neuronetrix, Inc Électrode sans fil pour la mesure de biopotentiel
JP2012135626A (ja) * 2005-03-09 2012-07-19 Cutisense As マイクロ電子システムを内部に埋め込んだ三次元接着デバイス
JP2007125104A (ja) * 2005-11-01 2007-05-24 Kyokko Denki Kk センサ信号インターフェース装置とそれを用いたロボット用インターフェースシステム
WO2010029966A1 (fr) * 2008-09-10 2010-03-18 国立大学法人筑波大学 Instrument à porter permettant de mesurer des signaux biologiques, et dispositif d’aide au mouvement à porter
JP2012515329A (ja) * 2009-01-13 2012-07-05 ラボラトワール ユルゴ 界面圧測定システム

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021528201A (ja) * 2018-06-29 2021-10-21 コアラ−ライフ アクチエボラグ ポータブルｅｃｇおよびｐｃｇセンサーデバイスのための電極延長アセンブリ
JP7258921B2 (ja) 2018-06-29 2023-04-17 コアラ－ライフ アクチエボラグ ポータブルｅｃｇおよびｐｃｇセンサーデバイスのための電極延長アセンブリ

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