WO2014115945A1

WO2014115945A1 - Sensor for multiple bio-signals

Info

Publication number: WO2014115945A1
Application number: PCT/KR2013/007902
Authority: WO
Inventors: 김성민; 이상준; 남기창; 정재훈; 양인철
Original assignee: 한국보건산업진흥원; 동국대학교 산학협력단
Priority date: 2013-01-23
Filing date: 2013-09-02
Publication date: 2014-07-31
Also published as: KR101450999B1; KR20140094912A

Abstract

Disclosed is a sensor for multiple bio-signals, comprising a contact unit to be in contact with a finger; and a plurality of sensors disposed in the contact unit for sensing bio-signals.

Description

Multi biosignal sensor

The present invention relates to a biosignal sensor, and more particularly to a multiple biosignal sensor.

In modern times, the demand for medical services for the elderly is increasing rapidly due to aging. In addition, the burden of medical expenses continues to increase due to the increase in chronic diseases.

The number of elderly people living alone is increasing, which is expected to further exacerbate the social problems of loneliness found long after the elderly living alone die without help.

Due to growing interest in health and changing socioeconomic conditions, the paradigm of medical services is changing from passive patients to active consumers. This change in the healthcare paradigm increases the need for e-health services such as u-health services using ubiquitous technology and m-health services using mobile technology. It is becoming.

In the u-health service, it is important to develop a device capable of monitoring a patient's biological signal anytime and anywhere for continuous monitoring of a biological signal requiring 24-hour monitoring such as an electrocardiogram.

The m-health service is performed by the m-health service terminal communicating a biosignal measured by a biosignal measuring apparatus with a medical server through Wi-Fi (WIFI) communication or the like.

Recently, with the spread of smart phones, an environment that can be connected to a network anytime and anywhere has been provided.

Accordingly, the development of m-health service is in progress using a smartphone.

Meanwhile, in order to implement an m-health service in a smartphone, a method of measuring bio signals must be implemented, which can be expected to be activated when the following conditions are met.

Condition 1: Biosignal measurements should be made unbounded for human convenience

Condition 2: Do not leave the measuring electrode on your body for a long time

Condition 3: It is possible to measure various bio signals in one measurement.

Condition 4: The measurement hardware is very compact and can be attached to the smartphone as an accessory.

Condition 5: Analysis should be done automatically or simultaneously with the measurement

Condition 6: Data storage and transfer should be automatic

Condition 7: Simple operation for the elderly

Condition 8: Security features should be added for the security of health information

Conditions 1 to 4 are hardware conditions of the biosignal measuring apparatus, and conditions 5 to 8 are software conditions of the terminal for analyzing the biosignal measured by the biosignal measuring apparatus.

Korean Laid-Open Patent Publication No. 10-2006-0044520 discloses a biosignal simultaneous measurement apparatus that satisfies condition 3 and condition 5. That is, the biosignal simultaneous measurement apparatus disclosed in Korean Patent Laid-Open No. 10-2006-0044520 obtains two biosignals by analyzing an electrical signal returned after sending an electrical signal to a human body.

However, the biosignal simultaneous measurement apparatus disclosed in Korean Patent Laid-Open No. 10-2006-0044520 has a problem in that it does not completely satisfy hardware conditions.

In other words, the simultaneous publication of the biosignal measuring apparatus disclosed in Korean Patent Laid-Open Publication No. 10-2006-0044520 is made without the biosignal measurement for human convenience, and does not need to attach the biosignal measuring electrode to the body for a long time. There is a problem in that it is possible to measure a variety of bio-signals in one measurement, and it does not meet all of the conditions that can be attached to the smart phone is made as an ultra-small accessory.

Therefore, the problem to be solved by the present invention is that the bio-signal measurement is made unbound for human convenience, there is no need to attach the bio-signal measuring electrode to the body for a long time, it is possible to measure various bio-signals in one measurement In addition, the present invention provides a portable biosignal measuring apparatus that is manufactured in a very small size and can be attached as an accessory to a smartphone.

According to one embodiment of the invention, the contact portion that the finger contacts; And a plurality of biosignal sensors disposed on the contact part, the plurality of biosignal sensors including biosignals.

According to the embodiment of the present invention as described above, the biosignal measurement is made unbound for human convenience, and it is not necessary to attach the biosignal measuring electrode to the body for a long time, and various biometrics are obtained in one measurement. The signal can be measured, and it can be attached to the smartphone as an accessory.

1 is a block diagram illustrating a biosignal measuring apparatus using multiple biosignal sensors according to an exemplary embodiment of the present invention.

2 is a perspective view illustrating a multi-biosignal sensor according to an exemplary embodiment of the present invention.

3 is a plan view illustrating a multiple biosignal sensor according to an exemplary embodiment of the present invention.

4 is a rear view illustrating a multi-biosignal sensor according to an exemplary embodiment of the present invention.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated and described in the drawings. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

Terms including ordinal numbers, such as second and first, may be used to describe various components, but the components are not limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the second component may be referred to as the first component, and similarly, the first component may also be referred to as the second component. The term and / or includes a combination of a plurality of related items or any item of a plurality of related items.

When a component is referred to as being "connected" or "connected" to another component, it may be directly connected to or connected to that other component, but it may be understood that other components may be present in between. Should be. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that there is no other component in between.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings, and the same or corresponding components will be given the same reference numerals regardless of the reference numerals, and redundant description thereof will be omitted.

Referring to FIG. 1, the biosignal measuring apparatus 2 using the multibiosignal sensor according to an exemplary embodiment of the present invention detects the biosignal sensor 30 and the biosignal sensor 30 to detect a biosignal. In the biometric information conversion circuit unit 40 for converting the biometric signal into analog biometric information, the controller 50 and the controller 50 for converting and outputting the analog biometric information converted by the biometric information conversion circuit unit 40 to digital biometric information It may include a transmitter 60 for transmitting the output digital biometric information to the portable terminal (100).

The multiple biosignal sensor 30 detects a plurality of biosignals and transmits the plurality of biosignals to the biometric information conversion circuit 40.

The bioinformation conversion circuit unit 40 includes a body temperature conversion circuit 41, a blood vessel volume conversion circuit 42, an oxygen saturation conversion circuit 43, a body fat conversion circuit 44, and an electrocardiogram conversion circuit 45.

The body temperature conversion circuit 41 converts the electrical signal detected by the temperature sensor 31 into analog body temperature information.

The blood vessel volume converting circuit 42 converts an electrical signal corresponding to the blood vessel volume detected by the optical volume pulse wave sensor 32 into analog blood vessel volume information.

The oxygen saturation conversion circuit 43 converts an electrical signal corresponding to the color of blood detected by the optical volume pulse wave sensor 32 into analog oxygen saturation information.

The body fat conversion circuit 44 converts the amount of electricity flowing through the first electrode 33, the human body and the second electrode 34 into analog body fat information using the first and

second electrodes

33 and 34.

The electrocardiogram conversion circuit 45 converts the amount of electricity flowing through the first electrode 33, the human body and the second electrode 34 into analog electrocardiogram information using the first and

second electrodes

33 and 34.

The controller 50 converts the analog body temperature information, the analog blood vessel volume information, the analog oxygen saturation information, the analog body fat information, and the analog electrocardiogram information digitally converted by the biometric information converting circuit unit 40 and outputs them to the transmission unit 60.

The transmitter 60 transmits the digital body temperature information, the digital blood vessel volume information, the digital oxygen saturation information, the digital body fat information, and the digital electrocardiogram information output from the controller 50 to another terminal 100 such as a smart phone.

Hereinafter, a multiple biosignal sensor according to an embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

2 is a perspective view showing a multi-bio-signal sensor according to an embodiment of the present invention, Figure 3 is a plan view showing a multi-biosignal sensor according to an embodiment of the present invention, Figure 4 is an embodiment of the present invention The rear view showing the multiple biosignal sensors according to the present invention.

2 to 4, in one embodiment of the present invention, the multi-biosignal sensor may include a contact unit 20, a temperature sensor 31 and an optical volume pulse wave sensor 32 disposed on the contact unit 20. have. And first and

second electrodes

33 and 34.

The contact part 20 may include a left contact part 21 to which the left thumb contacts and a right contact part 22 to which the right thumb contacts.

The contact portion 20 may include a protrusion 25 fitted into the hole of the substrate 10. Accordingly, the contact portion 20 and the substrate can be easily electrically coupled. Here, the protrusion 25 may be replaced with a groove to which the screw penetrates the substrate.

The contact part 20 may be made of at least one material of gold, silver, copper, copper alloy, and titanium. The contact portion 20 may be coated with at least one of gold, silver, copper, a copper alloy, and titanium different from the material of the contact portion 20. Accordingly, the user is not adversely affected even if the user contacts the contact portion 20.

The left contact part 21 may include a left contact part body 21-1 having a plate shape and a left finger groove 21-2 corresponding to the left thumb. The left finger groove 21-2 may be formed in a half bone shape to increase the contact area of the finger.

The temperature sensor 31 is coupled to the temperature sensor groove 31-1 formed on the rear surface of the left finger groove 21-2. In this case, the left contact portion 21 may be made of a metal having excellent thermal conductivity. Accordingly, when the left finger of the person is located in the left finger groove 21-2, the body temperature can be easily transmitted to the temperature sensor 31. Here, the temperature sensor 31 may be implemented as an NTC thermistor (Negative Temperature Coefficient thermistor) for measuring the temperature by using the property that the electrical resistance changes with a negative temperature coefficient according to the temperature change. In addition, it can be implemented as a PCT thermistor (Positive Temperature Coefficient thermistor) that measures the temperature by using the property that the electrical resistance changes with a positive temperature coefficient according to the temperature change. It may also be implemented with an infrared thermometer generally known for medical use.

The first electrode 33 may be coupled to the left finger groove 21-2. Here, when the material of the left contact 21 is made of a conductive material, the left contact 21 may perform the function of the first electrode.

The right contact portion 22 may include a right contact portion body 22-1 having a plate shape and a right finger groove 22-2 corresponding to a right thumb of a person. The right finger groove 22-2 may be formed in a half bone shape to increase the contact area of the finger. In the center of the right finger groove 22-2, the optical volume pulse wave sensor hole 22-3 to which the optical volume pulse wave sensor 32 is coupled is formed in a quadrangular shape.

The optical volume pulse wave sensor 32 is inserted into the optical volume pulse wave sensor hole 32-3 and partially exposed to the bottom surface of the right finger groove 22-2. The light volume pulse wave sensor 32 includes a light emitting part (not shown) for transmitting light to the skin and a light receiving part (not shown) for receiving light reflected from a blood vessel, etc., emitted from the light emitting part (not shown). Not shown). In front of the light emitting unit and the light receiving unit, an infrared filter not shown in the figure that passes only infrared rays may be installed.

When the right thumb is located in the right finger groove 22-2, the optical volume pulse wave sensor 32 transmits light to the right thumb of a person and receives light reflected from the skin or the right thumb of the person. Can be received.

Description of the detailed configuration and operation of the optical pulse wave sensor 32 is generally known in the art of the biosignal sensor, such as in Korean Patent Publication No. 10-2008-0068466 and Korean Patent Registration No. 10-0848118 The description is omitted.

The second electrode 34 may be coupled to the right finger groove 22-2. Here, when the material of the right contact portion 22 is made of a conductive material, the right contact portion 22 may perform a function of the second electrode 34.

Although described above with reference to a preferred embodiment of the present invention, those skilled in the art will be variously modified and changed within the scope of the invention without departing from the spirit and scope of the invention described in the claims below I can understand that you can.

Claims

A contact portion where the finger is in contact; And

And a plurality of sensors disposed on the contact part to detect a bio signal.
The method of claim 1,

The material of the contact portion is at least one of gold, silver, copper, copper alloy and titanium.
The method of claim 2,

The contact part is a multiple bio-signal sensor is coated with a metal different from the material of the contact portion.
The method of claim 1,

The contact part includes a protrusion supported on a substrate to be soldered or a hole to which a screw passing through the substrate is fastened.
The method of claim 1,

The contact part includes a left contact part where the left thumb contacts and a right contact part where the right thumb contacts.
The method of claim 5,

The left contact portion and the right contact portion is a multiple bio-signal sensor is formed with a half thimble groove.
The method of claim 5,

And a first electrode coupled to the left contact portion, and a second electrode coupled to the right contact portion.
The method of claim 1,

The plurality of sensors includes a temperature sensor,

The temperature sensor is a multiple bio-signal sensor coupled to the contact portion.
The method of claim 8,

The temperature sensor is at least one of an NTC thermistor (Negative Temperature Coefficient thermistor), a PCT thermistor (Positive Temperature Coefficient thermistor) and an infrared temperature sensor.
The method of claim 1,

The plurality of sensors includes a light volume pulse wave sensor,

The contact part includes a hole in which the optical pulse wave sensor is installed.
The method of claim 10,

The optical pulse wave sensor includes an infrared light emitting unit and an infrared light receiving unit,

And a infrared filter disposed in front of the infrared light emitting unit and the infrared light receiving unit.
A right contact where one of the fingers of the right hand is in contact;

A left contact where one of the fingers of the left hand is in contact;

A first electrode disposed on the right contact portion;

A second electrode disposed on the left contact portion;

A temperature sensor disposed at one of the right contact portion and the left contact portion;

An optical volume pulse wave sensor disposed at one of the right contact portion and the left contact portion;

Multiple biosignal sensor comprising a.
The method of claim 12,

The temperature sensor is at least one of an NTC thermistor (Negative Temperature Coefficient thermistor), a PCT thermistor (Positive Temperature Coefficient thermistor) and an infrared temperature sensor.
The method of claim 12,

The optical pulse wave sensor includes an infrared light emitting unit and an infrared light receiving unit,

And a infrared filter disposed in front of the infrared light emitting unit and the infrared light receiving unit.