KR102016585B1 - Apparatus for Acquiring Biomedical Information - Google Patents

Abstract

An object of the present invention is to use the display function and communication function of the mobile phone or PC, and by using the power supply of the mobile phone or PC, without using a battery or an adapter, and electrodes attached to the body to measure biometric information and The present invention provides a device for miniaturizing a device by removing a wire connected thereto, integrating or attaching a biometric information measuring device to a mobile phone case, and measuring biometric information such as an electrocardiogram and body fat.

Description

Apparatus for Acquiring Biomedical Information

The present invention is a device for measuring the biometric information of the subject, such as electrocardiogram (ECG), electromyogram (EMG), body fat (ECG), more specifically manufactured and carried on a single PCB to be convenient to carry The present invention relates to a device for obtaining biometric information without a battery by receiving power from a telephone or a personal computer (PC).

In general, the most basic and most important signal in medicine is an electrocardiogram. However, electrocardiograms such as electrocardiograms and electromyograms are susceptible to interference by power lines or static electricity at 60 Hz, which causes the interference source to generate common-mode voltage (CMV) in the human body. This is because the potential-divider effect due to the imbalance of the electrode impedance (Electrode-Skin Impedance) of the measuring electrode is converted into the differential mode voltage.

Therefore, in order to eliminate the interference by the potential divider effect, a DRL (Driven-Right-Leg) circuit using a right leg electrode in addition to the two electrodes for measurement is used. Therefore, in order to measure the electrocardiogram, basically three electrodes should be in contact with the body.

On the other hand, lifestyle diseases such as diabetes and hypertension in modern times are associated with obesity and body fat management has become an important element of health. In order to measure this body fat, a current must be applied to the body with two electrodes, and the induced voltage is measured using the other two electrodes. Therefore, in order to measure body fat, four electrodes must be brought into contact with the body.

At least three electrodes are required to measure the electrocardiogram and body fat, but carrying the electrodes or bringing them into contact with the body is very inconvenient. In addition, the use of batteries or adapters to provide power for measuring electrocardiogram or body fat also makes the device large and inconvenient to carry.

On the other hand, recently mobile phones or personal computers have become popular, so using a mobile phone or personal computer to obtain biometric information such as electrocardiogram, electrocardiogram and body fat can greatly simplify and miniaturize the device for obtaining biometric information and make it convenient to carry. May improve the convenience of such technologies, but such technologies are not provided.

Published Patent Publication No. 10-2013-0055730 (Published: 2013.05.29.) Japanese Laid-Open Patent Publication No. 2006-026210 (published: 2006.02.02.)

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and an object of the present invention is to use a display function and a communication function of a mobile phone or a PC, and to receive the power of the mobile phone or the PC, thereby providing a battery or an adapter. In order to measure the biometric information, the device is miniaturized by removing the electrodes attached to the body and the wires connected thereto, and the biometric information measuring device is integrated into or attached to the mobile phone case. It is to provide a device for measuring the biometric information such as ECG and body fat with the possibility and convenience.

In order to achieve the above object, a first aspect of the present invention is an apparatus for measuring biometric information, comprising two electrocardiogram measuring electrodes in contact with the thumb of both hands, and two DRL electrodes in contact with the index finger of both hands. And an electrocardiogram measuring circuit connected to the two electrocardiogram measuring electrodes, an AD converter connected to the electrocardiogram measuring circuit, a DRL circuit connected to the DRL electrode, and controlling the above circuits; A communication microcontroller, a port connected to the outside, the communication circuit for transmitting and receiving data through the port, and a rectifying circuit for rectifying the power flowing into the port. It is to provide an apparatus having a characteristic in which circuits and electrodes are configured in one PCB, and in which the circuits are operated by power flowing into the port. .

A second aspect of the present invention is a device for measuring biometric information, comprising: two voltage measuring electrodes in contact with the thumb of both hands, two current source electrodes in contact with the index finger of both hands, and the two voltages described above. Apply a voltage measurement circuit connected to the measurement electrode, an AD converter connected to the voltage measurement circuit, a current source circuit connected to the current source electrode, and a signal received from the microcontroller and converted to the current source circuit. A DA converter to control the circuits, the microcontroller communicating with the communication circuits, a port connected to the outside, the communication circuits for exchanging data through the ports, and the ports. It includes a rectifier circuit for rectifying the incoming power, characterized in that the circuits and the electrodes are configured in a single PCB, the circuits Of to provide a device having the characteristics that are operated by the electric power that flows into the port.

According to the biometric information measuring apparatus of the present invention as described above, patients with heart disease such as arrhythmia need to monitor and manage the state of cardiac activity continuously at home and at work, but not at the time of seeing a doctor, but it is difficult to do so. In addition, it is necessary to manage obesity and weight in daily life, but the body fat meter measured by touching the feet has the inconvenience of taking off shoes and socks. The biometric information measuring device connected to a mobile phone or a PC according to the present invention has the following effects.

First, the ECG can be easily measured using a monitor of a mobile phone or a PC.

Secondly, the device according to the present invention is powered by a mobile phone or a PC, so it is compact and portable because it does not use a battery or an adapter.

Third, all components and electrodes are configured on one PCB without using electrodes attached to the body or wires connected to the electrodes, so it is convenient to carry and use.

Fourth, the thumb and the index finger of both hands to measure the ECG and body fat, that is, by holding the electrode mounted on the PCB using a total of four fingers, the contact of the electrodes can be convenient and the device can be miniaturized.

Fifth, if the device is attached to the mobile phone case there is an effect that becomes more convenient to carry.

As described above, the biometric information measuring device connected to the mobile phone or the PC according to the present invention has a function of conveniently monitoring heart disease and obesity, thereby improving health welfare.

1 is a view for explaining a PCB applied to the embodiments of the present invention.
2 is a block diagram for explaining a biometric information measuring apparatus according to a first embodiment of the present invention.
3 is a block diagram for explaining a biometric information measuring apparatus according to a second embodiment of the present invention.

Advantages and features of the present invention, and a method of achieving them will be apparent from the following detailed description with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various forms, and only the present embodiments are intended to complete the disclosure of the present invention, and the general knowledge in the art to which the present invention pertains. It is provided to fully convey the scope of the invention to those skilled in the art, and the present invention is defined only by the scope of the claims. Like reference numerals refer to like elements throughout. “And / or” includes each and all combinations of one or more of the items mentioned.

Although the first, second, etc. are used to describe various elements, components and / or sections, these elements, components and / or sections are of course not limited by these terms. These terms are only used to distinguish one element, component or section from another element, component or section. Therefore, the first device, the first component, or the first section mentioned below may be a second device, a second component, or a second section within the technical spirit of the present invention.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In this specification, the singular also includes the plural unless specifically stated otherwise in the phrase. As used herein, “comprises” and / or “comprising” refers to the presence of one or more other components, steps, operations and / or elements. Or does not exclude additions.

Unless otherwise defined, all terms (including technical and scientific terms) used in the present specification may be used in a sense that can be commonly understood by those skilled in the art. In addition, the terms defined in the commonly used dictionaries are not ideally or excessively interpreted unless they are specifically defined clearly.

In describing the embodiments of the present invention, when it is determined that a detailed description of a known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. In addition, terms to be described below are terms defined in consideration of functions in the embodiments of the present invention, which may vary according to intentions or customs of users and operators. Therefore, the definition should be made based on the contents throughout the specification.

1 is a view for explaining a PCB applied to the embodiments of the present invention, Figure 1 (a) is a view showing the top surface of the PCB 10 by the biometric information measuring apparatus of the present invention, b) is a view showing the lower surface of the PCB 10 by the biometric information measuring apparatus of the present invention.

Referring to FIG. 1, reference numeral 20 denotes an area for mounting and wiring components on the top of the PCB 10. Reference numerals 101 and 102 denote electrodes installed on the upper surface of the PCB 10, and reference numeral 180 denotes a communication port by a connector.

In addition, reference numeral 30 denotes an area for mounting and wiring components under the PCB 10. Reference numerals 103 and 104 denote electrodes provided on the bottom surface of the PCB 10.

Features of the biometric information measuring apparatus according to the present invention shown in Figure 1 are as follows.

First, all components of the biometric information measuring apparatus according to the present invention are installed on one PCB 10. That is, the living body information measuring apparatus according to the present invention is composed of one PCB (10).

Second, do not use an electrode attached to the body and a wire connected between the electrode and the device. Two electrodes 101 and 102 are positioned on the upper surface of the PCB 10, and two electrodes 103 and 104 are positioned on the lower surface of the PCB 10.

Third, in order to measure biometric information, the thumb and index finger of both hands, that is, four fingers, hold the PCB 10 and contact the four electrodes installed on the upper and lower surfaces of the PCB 10. The left hand thumb is contacted with reference numeral 101, the right hand thumb is contacted with reference numeral 102, the left hand index finger is referenced with reference numeral 104, and the right hand index finger is contacted with reference numeral 103, respectively.

Fourth, power is transmitted through the port 180 of the mobile phone or the PC without using a battery and an adapter.

Fifth, the PCB 10 according to the present invention can be used as part of a mobile phone case.

The present invention will be described with reference to the drawings and examples.

(First embodiment)

2 is a block diagram for explaining a biometric information measuring apparatus according to a first embodiment of the present invention.

2, a first embodiment of the present invention provides electrocardiogram information. In the embodiment of FIG. 2, reference numerals 101 and 102 denote two electrocardiogram measuring electrodes located on the upper surface of the PCB 10, and reference numerals 103 and 104 denote two DRL electrodes located on the lower surface of the PCB 10. Indicates.

Reference numeral 110 denotes an electrocardiogram measuring circuit including a measuring amplifier, and measures the voltage between the electrode 101 and the electrode 102. Reference numeral 120 is a DRL (Driven-Right-Leg) circuit for applying a common mode feedback signal to the body to remove power line noise. The output of the electrocardiogram measuring circuit 110 is transmitted to the AD converter 130 and transmitted to the mobile phone or the PC through the port 180 by the microcontroller 150 and the communication circuit 160.

The power required for the operation of all circuits, such as the ECG measurement circuit 110, the DRL circuit 120, the AD converter 130, the microcontroller 150, the communication circuit 160, and the like, is transmitted from the mobile phone or the PC through the port 180. It is introduced and used through the rectifier circuit 170.

In the first embodiment of the present invention, the electrode 103 and the electrode 104 are commonly connected to the output of the DRL circuit 120. In addition, in the first embodiment of the present invention, all the components necessary for ECG measurement are installed in one PCB 10.

(2nd Example)

3 is a block diagram for explaining a biometric information measuring apparatus according to a second embodiment of the present invention.

Referring to FIG. 3, a second embodiment of the present invention provides body fat information. In the second embodiment of FIG. 3, reference numerals 101 and 102 denote two voltage measuring electrodes located on the upper surface of the PCB 10, and reference numerals 103 and 104 denote two current sources located on the lower surface of the PCB 10. Represent the electrode.

Reference numeral 210 denotes a voltage measuring circuit including a measuring amplifier, and measures the voltage between the electrode 101 and the electrode 102. Reference numeral 220 is a current source circuit for applying a current to the body, and applies a current between the electrode 103 and the electrode 104.

The magnitude of the output current of the current source 220 is determined by the DA converter 240. The output of the voltage measuring circuit 110 is transmitted to the AD converter 130 and is transmitted to the mobile phone or the PC through the port 180 by the microcontroller 150 and the communication circuit 160.

The power required for the operation of all circuits, such as the voltage measuring circuit 210, the current source 220, the AD converter 130, the DA converter 240, the microcontroller 150, the communication circuit 160, and the like, is provided through the port 180. It is introduced from a mobile phone or a PC and used through the rectifying circuit 170. In the second embodiment of the present invention, all the components necessary for electrocardiogram measurement are installed in one PCB 10.

(Third Embodiment)

Most of the components used in the first and second embodiments are the same and only the DRL circuit 120, the current source 220, and the DA converter 240 are different. In particular, the electrocardiogram measuring circuit 110 and the voltage measuring circuit 110 are circuits including the same instrumentation amplifier.

Therefore, the second embodiment of the present invention can be implemented by adding only the current source 220 and the DA converter 240 to the first embodiment of the present invention. Therefore, in the third embodiment of the present invention, the ECG and the body fat are measured by one biometric information measuring device.

The port 180 of the above embodiment may use a USB port or an audio port of a mobile phone or a PCB. In the case of using an audio port of the mobile phone, when the mobile phone outputs an audio signal, power may be supplied through the port 180. The supplied power is rectified and used by the rectifier circuit 170. In this case, data transmitted by the device is modulated and transmitted.

In order to increase the output voltage in the rectifier circuit 170, a double back circuit or a triple back circuit may be used. When the PCB 10 of the above embodiment is integrated with the mobile phone case, it is convenient to carry. Gold may be plated to prevent oxidation of the surface of the electrode installed on the PCB and to improve electrical conductivity between the electrode and the living body.

Although a preferred embodiment of the biometric information measuring apparatus according to the present invention has been described above, the present invention is not limited thereto, and various modifications are made within the scope of the claims and the detailed description of the invention and the accompanying drawings. It is possible and this also belongs to the present invention.

10: PCB, 101, 102, 103, 104: electrode,
110: ECG circuit, 120: DRL circuit,
130: AD converter, 150: microcontroller,
160: communication circuit, 170: rectifier circuit,
180: port, 210: voltage measurement circuit,
220: current source, 240: DA converter

Claims (12)

A biometric information measuring device for measuring biometric information of a subject,
Two electrocardiogram measuring electrodes in contact with the thumb of both hands;
Two DRL electrodes in contact with the index finger of both hands;
An electrocardiogram measuring circuit connected to the two electrocardiogram measuring electrodes;
An AD converter connected to the ECG circuit;
A DRL circuit connected to the DRL electrode;
A microcontroller that controls the circuits and communicates with the communication circuits;
An externally connected port;
The communication circuit for transmitting and receiving data through the port; And
Comprising a rectifier circuit for rectifying the power flowing into the port,
The circuits and the electrodes are configured in a single PCB, the circuits are operated by the power flowing into the port from a portable terminal or a personal computer (PC),
One electrocardiogram measuring electrode and one DRL electrode are formed on one surface of the PCB, and another electrocardiogram measuring electrode and another DRL electrode are formed on the other surface of the PCB.
The biometric information measuring device is implemented as a separate device from a mobile terminal or a personal computer (PC).
The port consists of an audio port,
When the biometric information measuring device outputs an audio signal from a mobile terminal or a personal computer (PC), power is supplied through the audio port, but the rectifying circuit is used to rectify the audio signal.
And biometric information measuring device for data transmitted from the living body information measuring device to the mobile terminal or a personal computer (PC).
The method of claim 1,
And the two ECG electrodes and the two DRL electrodes are plated.
The method of claim 1,
The PCB is a biometric information measuring device, characterized in that integrated with the mobile phone case.
delete delete The method of claim 1,
Biometric information measuring apparatus, characterized in that for use in the rectifier circuit, a double back pressure circuit or a triple back pressure circuit.
An apparatus for measuring biometric information of a subject,
Two voltage measurement electrodes in contact with the thumb of both hands;
Two current source electrodes in contact with the detection of both hands;
A voltage measuring circuit connected to the two voltage measuring electrodes;
An AD converter connected to the voltage measuring circuit;
A current source circuit connected to the current source electrode;
A microcontroller that controls the circuits and communicates with the communication circuits;
A DA converter which receives data from the microcontroller and applies the converted signal to the current source circuit;
An externally connected port;
The communication circuit for transmitting and receiving data through the port; And
Comprising a rectifying circuit for rectifying the power flowing into the port from a portable terminal or a personal computer (PC),
The circuits and the electrodes are configured in one PCB, the circuits are operated by the power flowing into the port,
One voltage measuring electrode and one current source electrode is formed on one surface of the PCB, the other voltage measuring electrode and another current source electrode formed on the other surface of the PCB.
The biometric information measuring device is implemented as a separate device from a mobile terminal or a personal computer (PC).
The port consists of an audio port,
When the biometric information measuring device outputs an audio signal from a mobile terminal or a personal computer (PC), power is supplied through the audio port, but the rectifying circuit is used to rectify the audio signal.
And biometric information measuring device for data transmitted from the living body information measuring device to the mobile terminal or a personal computer (PC).
The method of claim 7, wherein
And the two voltage measuring electrodes and the two current source electrodes are plated.
The method of claim 7, wherein
The PCB is a biometric information measuring device, characterized in that integrated with the mobile phone case.
delete delete The method of claim 7, wherein
Biometric information measuring apparatus, characterized in that for use in the rectifier circuit, a double back pressure circuit or a triple back pressure circuit.

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