JP2015112144A - Biological signal transmitter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a biological signal transmitter which is highly convenient and hygienic, and can suppress costs by making it possible to be removed from/attached to an electrode instrument, such as a snap-type and a tab-type electrode pads.SOLUTION: A biological signal transmitter 30 is provided with a radio transmission part which transmits to a receiver a biological signal inputted by, for example, a snap-type electrode pad 21 or a tab-type electrode pad that can be attached onto the skin surface of a living organism as a radio signal. The biological signal transmitter 30 is provided with: a contact terminal part 31 which has a contact electrode 311 that is in contact with a terminal part 212 of the electrode pad 21 and protrudes from a device body part 33; and an elastic projection part 32 which is provided for the device body part 33 via a slit gap between the contact terminal part 31 and the device, and grips the terminal part 212 with a recess 323 formed at an end part together with the contact electrode 311 in the state that the contact electrode 311 is in contact with the terminal part 212.

Description

  The present invention relates to a biological signal transmission device capable of transmitting a biological signal to a receiving device installed at a remote location by connecting to an electrode device attached to the living body.

  Biological information such as a 12-lead electrocardiogram, circulation, respiration, and oxygen saturation is important information for the doctor to know the patient's condition. For example, in a 12-lead electrocardiogram, about 10 electrode pads, which are an example of an electrode device, are attached to the chest or limbs. The biological signal from the electrode pad is recorded by the electrocardiograph body to which the wiring from the electrode pad is connected.

  However, the wiring from the electrode pad is recorded, for example, when a biological signal is recorded by a portable event recorder or when a subject rides on a bicycle ergometer to measure exercise capacity. Sometimes it gets in the way.

  In order to cope with such a problem, a biological signal transmission device in which wiring between an electrocardiograph and an electrode pad is made wireless has been developed, and is known as, for example, Patent Documents 1 to 6.

  A wireless biological induction electrode described in Patent Document 1 is constructed so as to be in direct contact with a skin surface such as a chest, and is attached to the skin surface of a biological body to extract a biological signal generated from the living body. A biological signal forming mechanism that amplifies the biological signal extracted from the biological induction electrode unit and outputs the amplified biological signal, a transmitter that transmits the amplified biological signal as a wireless signal, and biological signal formation And a micro battery for supplying power to the mechanism and the transmitter.

  A wireless electrocardiographic monitor described in Patent Literature 2 is formed on a contact surface that comes into contact with a patient. The electrodes are formed concentrically or separately, an amplifier that amplifies a signal from the electrodes, and encoding that performs digital encoding. A modulator and a transmitter that outputs a radio signal are stored in a housing.

  The wireless electrocardiograph system and method described in Patent Document 3 includes an electrode connector, a transmitter, and a receiver, and operates with existing electrodes and an ECG monitor. The electrode connector is described to include a connector for attachment to a disposable or reusable single electrode.

  In the wireless ECG system described in Patent Document 4, physiological data related to a patient's cardiac activity and respiratory rate detected by a chest assembly is transmitted from a physical electronic unit to a remote base station. Physiological data is to be processed for display on an ECG monitor. In this wireless ECG system, the chest assembly is formed of a single flexible circuit that connects a plurality of electrode connectors configured to be connected to an electrode or a conductive adhesive, and the electrode connector is an electrode having a snap terminal. It is described that it is preferable to include a snap terminal connected to the.

  The wearable wireless transmission type electrocardiograph described in Patent Document 5 is an electrocardiographic measurement unit and electrodes for measuring electrocardiograms, and wireless transmission for wirelessly transmitting electrocardiographic data measured and output by the electrocardiogram measurement unit. When the heart rate per unit time based on the output signal of the unit and the electrocardiogram measurement unit exceeds a predetermined number, when the rate of change of the heart rate per unit time exceeds the predetermined rate of change, and the output signal of the electrocardiographic sensor And a CPU for operating the wireless transmission unit to transmit electrocardiographic data over a predetermined time at a high load, which is at least one of cases where the pulsation interval is outside the predetermined range. . In this wearable radio transmission type electrocardiograph, an adhesive pad for projecting an electrode from the surface is detachably provided.

  A connector assembly for connecting an electrical lead to an electrode described in Patent Document 6 is for connecting the electrical lead to an electrical contact of the electrode, and a holding plate that receives and holds the electrical contact of the electrode through an opening. And a housing including a body and a receptacle. The connector assembly is connected to the EGC monitor device by electrical leads, but in an alternative embodiment the electrical conductor is connected so that ECG signals are transmitted to the ECG monitor device through a portable system monitor and / or wireless connection. It is described that it may be electrically connected to a wireless transceiver.

Japanese Patent Laid-Open No. 6-181891 JP-T-4-505564 Japanese translation of PCT publication No. 2004-512846 JP 2005-532849 A JP 2006-136405 A Special table 2012-503497 gazette

  In the conventional biological signal transmission devices described in Patent Literatures 1, 2, and 5, the electrode pad and the device body for wireless transmission are integrally formed, so that the device is compact and highly convenient. However, when the wireless biological induction electrode is used by attaching an adhesive surface to a subject such as a patient or a subject, it cannot be used for the next subject and is therefore disposable. This requires a new wireless biological induction electrode each time biological information is measured, thus increasing costs.

In the conventional biological signal transmitters of Patent Documents 3 and 4, since the electrodes and the device body are connected by wiring, even if the EGC monitor device (receiver) communicates with the wireless signal, The wiring becomes an obstacle in attaching the biological signal transmission device to the patient.
Further, in the conventional biological signal transmission device of Patent Document 3, it is described that a snap-type or tab-type disposable electrode pad can be used. However, a structure in which a snap-type or tab-type electrode pad is attached as an electrode is illustrated. Since it is not, it is unclear how it is installed.

  Furthermore, in the conventional biological signal transmission device of Patent Document 6, only the snap-type electrode pad is considered, and the tab-type electrode pad cannot be used.

  Therefore, the present invention has an object to provide a biosignal transmission device that has high convenience and is hygienic and can be reduced in cost by being detachable from an electrode device such as a snap-type or tab-type electrode pad. To do.

  The present invention relates to a biological signal transmission device including a wireless transmission unit that transmits a biological signal input from an electrode device attached to a skin surface of a biological body as a wireless signal to a reception device, and the device body unit includes: A contact terminal portion having a contact electrode in contact with the terminal portion, provided in the device main body portion via a slit-like gap between the contact terminal portion protruding from the device main body portion and the contact terminal portion. And an elastic protrusion that sandwiches the terminal portion of the electrode device together with the contact electrode in a state where the contact electrode is in contact with the terminal portion of the electrode device.

  According to the biological signal transmission device of the present invention, biological information can be transmitted to the reception device by a wireless signal, and thus wiring with the reception device is unnecessary. In addition, the terminal portion and the contact electrode portion can be brought into contact with each other by fitting the protruding terminal portion of the electrode device between the contact electrode of the contact terminal portion protruding from the apparatus main body portion and the elastic protruding portion. Since the terminal portion can be sandwiched, for example, a disposable existing electrode pad protruding from the pad portion can be used as the terminal portion of the electrode device. In addition, a sheet-like electrode device is inserted into the slit-shaped gap, the terminal portion is brought into contact with the contact electrode, and the sheet-like electrode device is sandwiched between the contact electrode and the elastic protrusion, thereby forming a sheet shape. Disposable existing electrode pads can also be used.

  Here, the electrode device is attached to a living body in order to input biological information, and the electrode part of the electrode device is in direct contact with the skin surface, and the electrical signal which is biological information from the electrode part is left as it is. In addition to what is output to the terminal unit, there is also included one that outputs electrical signals from various built-in sensors from the terminal unit.

  When the concave portion is formed at the tip portion, the elastic protruding portion can be pressed against the terminal portion protruding from the pad portion by fitting the concave portion to the outer peripheral surface of the terminal portion. Thus, the terminal portion can be firmly held.

  The elastic protrusions are formed as triangular protrusions, and the contact terminal parts are formed in pairs so as to approach each other along the hypotenuse from the base end to the tip of the triangular protrusions. It is desirable. When using an electrode pad formed in the form of a sheet as an electrode device, the elastic protrusions formed as triangular protrusions and the oblique sides of the triangular protrusions should approach each other. If a sheet-like electrode pad is sandwiched between a pair of formed contact terminal portions, a wide range can be secured to sandwich the terminal portion of the electrode pad, so that the terminal portion can be firmly sandwiched. .

  It is desirable to provide a power supply unit that supplies power from the battery to the wireless transmission unit when the contact electrodes of the pair of contact terminal units are short-circuited by the terminal unit of the electrode device. Since the power supply unit energizes the wireless transmission unit when the electrode device is sandwiched, useless energization can be eliminated, and the battery life can be extended.

  If a battery holder part for housing the battery is formed in the apparatus main body part, it is easy to replace the battery.

  The biological signal transmitting apparatus of the present invention does not require wiring between the receiving apparatus and a detachable electrode device can be used, so that it has high convenience and can be hygienic and cost-effective.

It is a figure which shows the biometric information processing apparatus which concerns on embodiment of this invention. It is a top view of the biological signal transmitter of the biological information processing apparatus shown in FIG. FIG. 3 is a side view of the biological signal transmission device shown in FIG. 2. It is a block diagram for demonstrating the circuit structure of the biosignal transmitter shown in FIG. FIG. 3 is a plan view of a state in which the biological signal transmission device shown in FIG. 2 is attached to a snap-type electrode pad. FIG. 3 is a plan view of a state in which the biological signal transmission device shown in FIG. 2 is mounted on a tab-type electrode pad. It is a partially expanded view of the modification of the contact terminal part of the biological signal transmitter shown in FIG.

A specific example of a biological signal transmission apparatus according to an embodiment of the present invention will be described with reference to the drawings.
As shown in FIG. 1, the biological signal processing system 10 is an electrocardiograph that measures a 12-lead electrocardiogram based on biological information of a measurement subject M who is a living body. The biological signal processing system 10 includes a biological signal transmission device 30 that transmits a biological signal (electric signal) input from an electrode pad 20 that is an example of an electrode device attached to the skin surface of the measurement subject M as a radio signal, And a receiving device 40 capable of receiving the radio signal and printing a 12-lead electrocardiogram.

As the electrode pad 20, a snap-type electrode pad 21 whose terminal portion protrudes from the pad portion and a tab-type electrode pad 22 formed in a sheet shape can be used.
The snap-type electrode pad 21 is a disposable monitoring electrode with a terminal portion protruding from the pad portion. The snap-type electrode pad 21 is fixed by being attached to the skin surface of the measurement subject with the contact surface side of the rectangular pad portion 211 being an adhesive surface. The adhesive surface has an opening at the center, and the electrode portion that contacts the skin surface is exposed. The electrode portion is electrically connected to the terminal portion 212 protruding as a protrusion on the front surface.
The tab-shaped electrode pad 22 is a sheet-like, soft, disposable monitoring electrode. The tab-shaped electrode pad 22 is fixed by being attached to the skin surface as an adhesive surface while the contact surface side of the rectangular pad portion 221 becomes an electrode portion. A tab portion 222 is provided at one end of the pad portion 221. The tab portion 222 has a terminal portion on the skin surface side and an insulating surface on the front surface side.

  As shown in FIGS. 2 and 3, the biological signal transmission device 30 connected to the electrode pad 20 sandwiches the electrode pad 20 together with the contact terminal portion 31 having the contact electrode 311 and the contact terminal portion 31. An elastic protrusion 32 and an apparatus main body 33 including a circuit for transmitting a biological signal by a wireless signal are provided. The contact terminal part 31, the elastic protrusion part 32, and the apparatus main body part 33 can be integrally formed by resin molding.

The contact terminal portion 31 is formed to protrude in a pair so as to approach each other along the hypotenuse 32a from the base end to the tip end of the elastic protrusion 32. In the contact terminal portion 31, the tip end portion of the contact electrode 311 protrudes from the tip end of the arm portion 312 formed integrally with the apparatus main body portion 33.
The contact electrode 311 is wired inside along the arm portion 312 and is connected to the circuit of the apparatus main body portion 33.

  The elastic protrusion 32 is a triangular protrusion 322 formed between the pair of contact terminal portions 31 via a slit-like gap 321. A concave portion 323 is formed at the distal end portion of the protruding portion 322 of the elastic protruding portion 32 for fitting and pressing on the outer peripheral surface of the terminal portion 212 of the snap-type electrode pad 21.

The device main body 33 has a plate-like portion 331 formed in a rectangular shape in plan view, and a housing that is narrower and thicker than the plate-like portion 331 and contains a battery C as a circuit and a power source. Part 332. A battery holder part 333 for storing the battery C is formed in the storage part 332.
Next, a circuit configuration built in the storage section 332 of the apparatus main body section 33 will be described with reference to FIG.
The circuit configuration of the biological signal transmission device 30 includes an amplification unit 341, an AD conversion unit 342, a wireless transmission unit 343, and a power supply unit 344.
The amplifying unit 341 amplifies the biological signal from the contact electrode 311. The AD conversion unit 342 converts the analog biological signal amplified by the amplification unit 341 into a digital biological signal.

The wireless transmission unit 343 generates a communication packet based on the biological signal that has become a digital signal, and transmits the communication packet as a wireless signal to the reception device 40 via the antenna 345. The wireless transmission unit 343 can employ various communication methods as long as it can communicate with the receiving device 40. The communication method can be, for example, Bluetooth (registered trademark) or WI-FI (registered trademark).
The wireless transmission unit 343 has identification information for identifying the receiving device from other biological signal transmitting devices 30. The identification information is set in advance in the wireless transmission unit 343 and is included in the communication packet, whereby the attachment position of the biological signal transmission device 30 to the measurement subject can be specified on the reception device 40 side. The identification information can be arbitrary information or a MAC address.

In this case, it is desirable that the measurer attaches a number or symbol to the biological signal transmission device 30 or color-codes the biological signal transmission device 30 so that the identification of the biological signal transmission device 30 can be recognized from the appearance. Regarding the color coding of the biological signal transmission device 30, when the biological signal transmission device 30 is used for measurement of a 12-lead electrocardiogram, it is desirable to match the color code.
In addition, a setting switch can be provided in the apparatus main body 33 as identification information for the wireless transmission unit 343.

  When the contact electrodes 311 of the pair of contact terminal portions 31 are short-circuited by the terminal portions of the electrode pads 20, the power supply unit 344 supplies power from the battery C to the amplification unit 341, AD conversion unit 342, and wireless transmission unit. And is energized.

The operation and use state of the biological signal transmitting apparatus 30 according to the embodiment of the present invention configured as described above will be described with reference to the drawings.
In a state before the biological signal transmission device 30 shown in FIG. 1 is connected to the electrode pad 20, the space between the contact electrodes 311 is open. Since the power supply unit 344 is in a high resistance state between the contact electrodes 311, the power supply unit 344 does not supply the power from the battery C to the amplification unit 341, the AD conversion unit 342, and the wireless transmission unit 343. Therefore, when the space between the contact electrodes 311 is open, the power supply unit 344 does not supply power from the battery C, so that unnecessary energization can be eliminated. As a result, the power supply unit 344 can extend the life of the battery C. In addition, since it is not necessary to provide a power switch in the biological signal transmission device 30, it is possible to reduce the size and cost.

  When the electrode pad 20 to be attached to the measurement subject is the snap-type electrode pad 21 shown in FIG. 1, the measurer can connect the contact electrode 311 and the tip of the elastic protrusion 32 as shown in FIG. 5. The terminal portion 212 of the snap-type electrode pad 21 is pushed into the gap 324 surrounded by. The elastic protrusion 32 has a gap 324 that is widened by elastically deforming its tip. Further, the arm portion 312 of the contact terminal portion 31 is also bent when the terminal portion 212 is pushed in, so that the gap 324 is expanded.

When the terminal portion 212 is pushed into the gap 324, the terminal portion 212 is sandwiched between the contact electrode 311 and the elastic protruding portion 32 by the elastic force of the elastic protruding portion 32.
By elastically deforming the elastic protruding portion 32, the terminal portion 212 can be fitted between the contact electrode 311 and the elastic protruding portion 32 even if the terminal portion 212 has a diameter larger than the gap 324. Further, since the concave portion 323 is formed at the distal end portion of the elastic protruding portion 32, it can be fitted and pressed on the outer peripheral surface of the terminal portion 212. Therefore, the terminal portion 212 can be firmly held by the contact electrode 311 and the elastic protruding portion 32.

  When the terminal portion 212 is fitted between the contact electrode 311 and the elastic protrusion 32, the terminal portion 212 is short-circuited between the pair of contact electrodes 311. As illustrated in FIG. 4, the power supply unit 344 supplies the power from the battery C to the amplification unit 341, the AD conversion unit 342, and the wireless transmission unit 343 when the contact electrodes 311 are short-circuited.

The measurer attaches the snap-type electrode pad 21 with the adhesive surface of the pad portion 211 facing the skin surface at a predetermined position of the subject. A weak biological signal from the terminal portion 212 of the snap-type electrode pad 21 is amplified by the amplifying unit 341 from one of the pair of contact electrodes 311. The biological signal amplified by the amplification unit 341 is converted from an analog signal to a digital signal by the AD conversion unit 342. The biological signal converted into the digital signal is included in the communication packet as data by the wireless transmission unit 343 together with information for identifying the biological signal transmission device 30.
Then, the wireless transmission unit 343 transmits the communication packet as a wireless signal to the receiving device 40 via the antenna 345.

  In the receiving device 40, the measurer can record the 12-lead electrocardiogram of the measurement subject by taking out the biological signal from the radio signal and storing it in the storage means or printing it by the printing means.

Next, the case where the tab-type electrode pad 22 is used as the electrode pad 20 will be described with reference to FIG.
When the electrode pad 20 to be attached to the measurement subject is the tab-type electrode pad 22 shown in FIG. 1, as shown in FIG. The tab portion 222 of the tab-type electrode pad 22 is inserted into the gap 321 between the oblique side of the portion 32. At this time, the measurer inserts the tab-shaped electrode pad 22 into the gap 321 so that the skin-side terminal portion of the tab portion 222 faces the contact electrode 311.
In this way, with the contact electrode 311 in contact with the terminal portion of the tab portion 222, the tab portion 222 is between the contact electrode 311 and the arm portion 312 of the contact terminal portion 31 and the oblique side of the elastic protrusion 32. Can be sandwiched.

  When the terminal portion 212 is sandwiched between the contact electrode 311 and the elastic protrusion 32, the pair of contact electrodes 311 is short-circuited by the terminal portion of the tab portion 222. As illustrated in FIG. 4, the power supply unit 344 supplies the power from the battery C to the amplification unit 341, the AD conversion unit 342, and the wireless transmission unit 343 when the contact electrodes 311 are short-circuited.

  The measurer starts measurement by attaching the pad portion 211 of the tab-shaped electrode pad 22 with the adhesive surface of the pad portion 221 facing the skin surface at a predetermined position of the subject. If the measurement is started, the subsequent operation is the same as that of the snap-type electrode pad 21, and the description thereof will be omitted.

  As described above, according to the biological signal transmission device 30 according to the present embodiment, as shown in FIG. 1, since the biological signal is transmitted to the reception device 40 by a radio signal, the measurement subject and the electrocardiograph receive the signal. Wiring with the device 40 is unnecessary, and wiring between the electrode pad 20 and the biological signal transmitting device 30 is unnecessary. Therefore, the biological signal transmission device 30 is used not only when the measurement subject is lying on the bed and is resting, but also when the biological signal is recorded with a portable event recorder, Since it is possible to measure biological information without hindrance when riding a bicycle ergometer to measure athletic ability and recording a biological signal, it is highly convenient.

  As shown in FIG. 5, the biological signal transmission device 30 includes a terminal protruding from the pad portion 211 between the contact electrode 311 of the contact terminal portion 31 protruding from the device main body portion 33 and the elastic protruding portion 32. By fitting the portion 212, the terminal portion 212 and the contact electrode 311 can be brought into contact with each other, and the terminal portion 212 can be sandwiched. Therefore, since the biological signal transmission device 30 can use a disposable snap-type electrode pad in which the terminal portion 212 protrudes from the pad portion 211, the biological signal transmission device 30 does not have to be disposable.

  Further, as shown in FIG. 6, the biological signal transmission device 30 has an elastic protrusion 32 provided between the contact terminal 31 and the device main body 33 via a slit-shaped gap 321. . Therefore, the tab-shaped electrode pad 22 is inserted into the gap 321, the terminal portion of the tab portion 222 is brought into contact with the contact electrode 311, and the tab-shaped electrode pad 22 is formed by the contact electrode 311, the arm portion 312, and the elastic protrusion 32. The electrode pads 22 can be sandwiched. Therefore, the biosignal transmitting device 30 can also use a disposable tab-type electrode pad 22 formed in a sheet shape.

Therefore, the biological signal transmission device 30 has high convenience and can use a disposable electrode pad of a snap type or a tab type, so that it can be hygienic and cost can be reduced.
In this embodiment, the terminal portion 212 protrudes from the center portion of the pad portion 211. However, even if the terminal portion 212 is an electrode pad protruding from the end portion of the pad portion 211, the terminal portion discharges. Then, the biological signal transmitter 30 can be used without any problem.

  Further, as shown in FIG. 2, the biological signal transmission device 30 is configured so that the contact terminal portions 31 approach each other along the oblique side 32 a of the elastic protrusion 32 formed as a triangular protrusion 322. A pair is formed. Therefore, when the tab-shaped electrode pad 22 (see FIG. 6) is used, the elastic protrusion is compared with the case where the slit is formed in a straight line along the direction orthogonal to the insertion direction of the tab 222. If the tab-shaped electrode pad 22 is sandwiched between the C-shaped gap 321 formed by the pair of contact terminals 32 and the pair of contact terminal portions 31, a wide range of the terminal portion of the tab portion 222 can be secured. The terminal part can be sandwiched.

  If the battery C is exhausted while the measurement person is measuring the biological information using the biological signal transmitter 30 with respect to the measurement subject, the battery holder 333 shown in FIG. 3 is pulled out. Replace battery C. Since the battery holder 333 for storing the battery C is formed in the apparatus main body 33, the battery C can be easily replaced. Therefore, the measurer can use the biological signal transmitter 30 for a long time while exchanging the electrode pad 20 or exchanging the battery C.

  In biological signal transmitting device 30 according to the present embodiment, arm portion 312 of contact terminal portion 31 is not connected at the tip portion, and contact electrode 311 extends along the direction in which arm portion 312 extends from the tip end of arm portion 312. Protruding. However, as shown in FIG. 7, the arm portion 312 may be connected at the tip portion. In this case, the contact electrode 311 is provided so as to protrude into the gap 324 from the inner side surface of the tip portion of the arm portion 312, so that the terminal portion 212 of the snap-type electrode pad 21 is elastically protruded from the contact electrode 311. It can be sandwiched between the parts 32.

  In the embodiment, the battery C is used as the power source. However, instead of the battery, a super capacitor such as an electric double layer capacitor may be used for charging from the outside to use as the power source.

  Furthermore, in the present embodiment, an electrocardiograph that measures a 12-lead electrocardiogram has been described as an example of the biosignal processing system 10 using the biosignal transmission device. The biological signal transmission device of the present invention can be used for induction and those with more channels than 12 inductions.

  In addition, the biological signal transmission device of the present invention is not limited as long as the biological signal input from the electrode device attached to the skin surface of the biological body is transmitted as a wireless signal and measured on the receiving device side that receives the wireless signal. It can also be applied to other measuring devices.

For example, the following can be cited as applicable.
(1) EEG monitor that measures EEG, BIS (bi-wavelength index (en)) monitor that measures the depth of anesthesia of the central nervous system (2) EMG (3) It measures electrophysiological biological signals Electrophysiological monitors such as nerve conduction velocity meters (SEP (Somatosensory Evoked Potentials))
(4) Optical topography (registered trademark) for measuring brain surface blood flow
(5) Respiration rate monitor (6) CGM (Continuous Glucose Monitoring)

In the measurement apparatus, if the electrode device attached to the subject is an electrode device that directly contacts the skin surface and directly outputs an electrical signal that is biological information from the electrode portion, By using an electrode device having a shape such as the snap-type electrode pad 21 or the tab-type electrode pad 22 shown in FIG. 1, the biological signal transmission device of the present invention can be connected.
In the respiratory rate monitor, the electrical signal from the sensor for detecting respiration built in the electrode device is output from the protruding terminal portion or the tab-shaped terminal portion, so that the biological signal transmission device of the present invention is output. Can be connected.
In optical topography, the electrical signal from the light detection sensor built in the electrode device is output from the protruding terminal portion or the tab-shaped terminal portion, thereby connecting the biological signal transmission device of the present invention. Can do.
Furthermore, in CGM, the biological signal transmitter of the present invention is connected by outputting an electrical signal from a blood glucose level measurement sensor built in an electrode device from a protruding terminal portion or a tab-shaped terminal portion. Can do.

  The present invention can be measured wirelessly when measuring the biological information of the measurement subject, and is therefore suitable for medical facilities and care facilities.

DESCRIPTION OF SYMBOLS 10 Biosignal processing system 20 Electrode pad 21 Snap type electrode pad 211 Pad part 212 Terminal part 22 Tab type electrode pad 221 Pad part 222 Tab part 30 Biosignal transmitter 31 Contact terminal part 311 Contact electrode 312 Arm part 32 Elastic protrusion Shaped part 32a Oblique side 321 Gap 322 Protruding part 323 Recessed part 324 Gap 33 Device main body part 331 Plate-like part 332 Storage part 333 Battery holder part 341 Amplifying part 342 AD conversion part 343 Wireless transmission part 344 Power supply part 345 Antenna 40 Receiver M Received Measurer C Battery

Claims (5)

A biological signal transmission device including a wireless transmission unit that transmits a biological signal input from an electrode device attached to the skin surface of a biological body as a wireless signal to a reception device, in the apparatus main body,
It is a contact terminal part having a contact electrode that contacts the terminal part of the electrode instrument, and a contact terminal part protruding from the apparatus main body part,
Between the contact terminal portion, the device body portion is provided through a slit-shaped gap, and the contact electrode is in contact with the terminal portion of the electrode device, the terminal portion of the electrode device is A biological signal transmission device comprising an elastic protrusion to be sandwiched together with a contact electrode.   The biological signal transmitting apparatus according to claim 1, wherein the elastic protrusion has a recess formed at a tip. The elastic protrusion is formed as a triangular protrusion,
The biological signal transmitting device according to claim 1, wherein a pair of the contact terminal portions are formed so as to approach each other along a hypotenuse extending from a base end to a tip end of the triangular protrusion.   The biological signal transmission device according to claim 3, further comprising a power supply unit configured to energize the wireless transmission unit when each contact electrode of the pair of contact terminal units is short-circuited by the terminal unit of the electrode device.   The biological signal transmission device according to any one of claims 1 to 4, wherein a battery holder unit that stores a battery that supplies power to the wireless transmission unit is formed in the device main body unit.

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