KR101780926B1 - Patch type electrocardiogram sensor - Google Patents

Abstract

The present invention relates to a base layer having a pad shape; A flexible circuit substrate layer in the form of a film formed on the base layer; A sensor formed on the flexible circuit substrate layer and including a plurality of electrode units for acquiring an electrocardiogram signal, and a plurality of electrode circuit units each having one side connected to the plurality of electrode units and configured in a circuit pattern; A body formed on the flexible circuit substrate layer and connected to the other side of the plurality of electrode circuit portions to focus the plurality of electrode circuit portions; And a pressure sensitive adhesive layer formed on the flexible circuit substrate layer to expose the plurality of electrode portions and attaching the sensor to a human body portion, wherein the body has a connection portion for transmitting the electrocardiogram signal to the outside, And the main body and the connection portion are connected by one wiring.

Description

[0001] Patch type electrocardiogram sensor [0002]

TECHNICAL FIELD The present invention relates to a patch type electrocardiogram sensor which is easy to adhere to a body skin and can measure a living body signal.

ElectroCardioGram (ECG), which is one of representative biometric information, records the activity current generated by contraction and expansion of the heart muscle due to the heartbeat. It is a device for attaching an electrode to the skin of the body, And then graphically displays the measured current data.

Specifically, the action potential, which is generated when the heart muscle contracts and relaxes by the heartbeat, causes a current to be transmitted from the heart to the body, which generates a potential difference depending on the position of the body, It can be detected and recorded through the surface electrode.

These electrocardiograms are used to confirm the presence of abnormalities in the heart and are used as basic methods for diagnosing cardiac diseases such as angina, myocardial infarction, and arrhythmia.

In general, the electrode induction method used in the clinic to measure the electrical anomaly of the heart is to measure the bioelectric potential generated by the electric stimulation generated in the right atrium and the left atrium and the right atrium of the heart. Two or more electrodes are placed on the surface of the human body .

The electrodes of the electrocardiogram measuring device can be divided into wet and dry electrodes depending on whether or not they contain electrolytes on the surface of the electrodes.

In the case of an electrode containing a dry electrode, an electrode is attached to the chest region mainly by using an elastic band. In such a case, there is a problem that it is difficult to wear for a long time because of a feeling of chest tightness when worn.

On the other hand, a wet electrode does not require a separate band, but an electrode is attached to the body using an adhesive material. However, the conventional wet electrode has a problem that it is accompanied by pain when attaching and detaching the skin due to the adhesive material. Since the wet electrode is adhered to a human body by using an adhesive pad, it is difficult to adhere to a body part with severe bending, .

In addition, the conventional electrocardiogram measuring apparatus has a problem in that it is large in size and tends to be tangled with many wires (wires), and conventional electrocardiogram measuring sensors have a protrusion-shaped tap at the attachment site, There is a problem that the user feels discomfort when the patient is lying down.

KR Publication No. 10-2009-0008786

The present invention provides a patch type electrocardiogram sensor which is easy to adhere to a body part with severe bending and simplifies wiring.

The present invention relates to a base layer having a pad shape; A flexible circuit substrate layer in the form of a film formed on the base layer; A sensor formed on the flexible circuit substrate layer and including a plurality of electrode units for acquiring an electrocardiogram signal, and a plurality of electrode circuit units each having one side connected to the plurality of electrode units and configured in a circuit pattern; A body formed on the flexible circuit substrate layer and connected to the other side of the plurality of electrode circuit portions to focus the plurality of electrode circuit portions; And a pressure sensitive adhesive layer formed on the flexible circuit substrate layer to expose the plurality of electrode portions and attaching the sensor to a human body portion, wherein the body has a connection portion for transmitting the electrocardiogram signal to the outside, And the main body and the connection portion are connected by one wiring.

The patch type electrocardiogram sensor according to the present invention has an electrode unit and a circuit pattern formed on a flexible circuit board layer for sensing the active current of the heart to miniaturize the device and integrate a plurality of electrode circuits from the main body into one wiring, There is an effect that convenience can be increased.

In addition, the present invention can measure various ECG waveforms simultaneously by forming a plurality of electrode portions in one patch, and even if an inexperienced user for ECG measurement can easily attach the electrode to an accurate position of a patient.

In addition, the present invention can be formed in a patch shape and attached to the thoracic region or the back region to measure the electrocardiogram.

1 is a plan view of a patch electrocardiogram sensor according to an embodiment of the present invention.
2 is a cross-sectional view of Fig.
FIG. 3 is a view showing a patch type electrocardiogram sensor according to an embodiment of the present invention attached to a body.
4 is a block diagram of a main body of a patch type electrocardiogram sensor according to an embodiment of the present invention.

TECHNICAL FIELD The present invention relates to a patch-type electrocardiograph sensor which is easy to adhere to a body part, simplifies wiring, and can measure a living body signal with increased convenience during surgery.

Here, an electrocardiogram (ECG) refers to a picture in which the electrical activity of the heart is amplified and recorded. The electrocardiogram can be used for measuring the heart condition or for diagnosing the extent of the damage.

The present invention relates to a patch type electrocardiogram sensor, and more particularly, to a patch type electrocardiogram sensor having a base layer having a pad shape; A flexible circuit substrate layer in the form of a film formed on the base layer; A sensor formed on the flexible circuit substrate layer and including a plurality of electrode units for acquiring an electrocardiogram signal, and a plurality of electrode circuit units each having one side connected to the plurality of electrode units and configured in a circuit pattern; A body formed on the flexible circuit substrate layer and connected to the other side of the plurality of electrode circuit portions to focus the plurality of electrode circuit portions; And a pressure sensitive adhesive layer formed on the flexible circuit substrate layer to expose the plurality of electrode portions and attaching the sensor to a human body portion, wherein the body has a connection portion for transmitting the electrocardiogram signal to the outside, And the main body and the connection portion are connected by one wiring.

The main body may include an amplifying unit for amplifying an electrocardiogram signal transmitted through the plurality of electrode circuit units, And a filter unit for filtering the amplified ECG signal.

In addition, the adhesive layer may include a hydrogel component, and the electrode circuit portion may be formed in a circuit shape on the adhesive layer through a method such as a silk screen, a vacuum deposition, and a sputtering deposition method .

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined.

Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

2 is a cross-sectional view of the patch type electrocardiograph according to an embodiment of the present invention. FIG. 3 is a view showing a patch type electrocardiograph sensor according to an embodiment of the present invention attached to a body. And FIG. 4 is a block diagram of a body of a patch type electrocardiogram sensor according to an embodiment of the present invention.

Hereinafter, a patch type electrocardiograph sensor of the present invention will be described in detail with reference to FIGS. 1 to 4 and embodiments.

The present invention relates to a patch-type electrocardiographic sensor (100) which is easy to adhere to a body part and can measure a living body signal in which convenience is improved during surgery by simplifying wiring.

Here, an electrocardiogram (ECG) refers to a picture in which the electrical activity of the heart is amplified and recorded. Such an electrocardiogram can be used for measuring the heart condition or for diagnosing the extent of damage.

In addition, it means that a circuit is constituted by connecting each part constituting a mechanism with wiring by electric wiring, thereby forming a passage through which electric current can pass.

1 and 2, the patch type electrocardiograph 100 according to the present invention includes a base layer 110, a flexible circuit substrate layer 120, and an adhesive layer 170, A sensor 130 including a plurality of electrode units 131 for obtaining ECG signals and a plurality of electrode circuit units 132 connected to the electrode units 131 and a plurality of electrode circuit units 132 And a main body 140 connected to the other side of the plurality of electrode circuit parts 132 to focus the plurality of electrode circuit parts 132.

The main body 140 and the connection unit 160 are connected to each other by a single wire 150. The main body 140 is connected to a connection unit 160 for transferring the acquired electrocardiogram signal to the outside . A more detailed description will be given later.

The base layer 110 of the present invention has a pad shape and is made of a flexible synthetic resin film to form the surface of the patch type electrocardiogram sensor 100.

In addition, the flexible circuit substrate layer 120 may refer to a conventional flexible printed circuit board (FPCB), which means a substrate of a flexible printed circuit board coated with a flexible copper foil . Meanwhile, since the flexible circuit substrate layer 120 according to the present invention is appropriately bent according to the curved surface of the skin to be adhered, the adhesive force to the skin can be maximized.

In addition, the adhesive layer 170 of the present invention may include a hydrogel component which is a conductive fluid that can be brought into electrical contact with the body.

In addition to the hydrogel component, the adhesive layer 170 can be applied with a reusable material by maintaining its adhesive force even after being cleaned. Any material having a characteristic of being removable and attachable to a human body as a transparent and viscous material can be used It is acceptable.

Referring to FIGS. 1 and 2, the flexible circuit substrate layer 120 of the present invention includes a sensor 130 and a main body 140.

First, the sensor 130 includes a plurality of electrode units 131 capable of sensing electrocardiogram signals by sensing an activity current of the heart, and a plurality of electrode units 131 formed of circuit patterns individually connected to the plurality of electrode units 131. [ And a circuit portion 132.

More specifically, the sensor 130 may acquire an electrocardiogram signal through a plurality of electrode units 131 that acquire an electrocardiogram signal from a human body. That is, a plurality of electrode units 131 included in the sensor 130 are attached to the surface of the human body, and a potential formed on the skin by the action current generated in the myocardial muscle can be detected through a plurality of electrodes. Therefore, the electrocardiogram signal acquired by the sensor 130 may be in the form of a potential difference.

For reference, although the magnitude of the electrocardiogram signal may vary depending on the position where the electrode unit 131 contacts, the shape of the electrocardiogram signal is the same, and the delay time of the electrocardiogram signal according to the measurement position is very small.

The electrode unit 131 may be formed of a metallic snap electrode having conductivity, or may be a biomaterial electrode.

Here, the biocompatible material electrode is obtained by curing a conductive material (CNT, carbon nanotube) with biocompatible silicon and is used to direct the bioelectric potential by contacting the skin directly. The biocompatible material electrode may be several millimeters thick.

The biocompatible material means a polymer material that does not adversely affect human body tissue or biological material for a long period of time, and can be used in medical fields. The biocompatible material can be used in artificial kidneys, dialysis membranes, artificial blood vessels, artificial teeth, A blood storage bag, and a tube used in a blood circuit. The material may be polyvinyl chloride, silicone, Teflon, or the like.

In particular, the electrode circuit portion 132 of the present invention is used to connect the plurality of electrode portions 131 to the main body 140 described later, and is isolated except for both ends. The electrode circuit portion 132 can be formed by forming a pattern using a bio-bonding material, and can be used by short-circuiting a conventional circuit.

In addition, the electrode circuit portion 132 may be formed of a conductive paste on the flexible circuit substrate layer 120 through a method of a silk screen, a vacuum deposition, and a sputtering deposition method.

The main body 140 of the present invention is used to focus the plurality of electrode circuit portions 132 therein and the connection portion 160 and the main body 140 to be described later may be connected to each other by a single wire 150 .

In other words, the main body 140 of the present invention has the effect of increasing the convenience of operation by focusing the plurality of electrode circuit portions 132 and integrating them from the main body 140 to one wiring 150.

In the patch type electrocardiogram sensor 100 of the present invention, the plurality of electrode units 131 may be formed on the flexible circuit substrate layer 120 with reference to a chest induction electrode.

As shown in FIG. 1, ten electrodes 131 to 136 may be formed on the flexible circuit substrate layer 120 of the present invention. More specifically, six electrodes (V1 to V6, 136), which are chest induction electrodes among the ten electrodes, can be formed to be positioned according to the unipolar chest induction method. More specifically, V1 is located in the fourth intercostal space of the patient, V2 is the fourth intercostal sternal fossa, V3 is the middle position between V2 and V4, V4 is the middle clavicalar line In the flexible circuit substrate layer 120 of the present invention. In addition, V5 is connected to the flexible circuit substrate layer 120 so as to be positioned on the mid-axillary line at the same level as V4 and anterior axillary line at the same level as V4, As shown in FIG.

The remaining four electrodes RA, RL, LA, LL, 131, 132, 133, and 134 may be configured to adhere to the left, right, and bottom left and right portions of the patient's chest.

FIG. 3 is a view showing a patch type electrocardiogram sensor 100 according to an embodiment of the present invention attached to a body.

Referring to FIG. 3, the electrocardiogram can be measured by the chest induction method using the patch type electrocardiogram sensor 100 of the present invention.

That is, it takes a long time to attach the plurality of electrode parts 131 individually to a patient, and it is not easy to find an accurate attachment position. However, the patch type electrocardiogram sensor 100 of the present invention can be applied to the flexible circuit substrate layer 120 By including the plurality of electrode portions 131, it is possible to quickly and accurately respond to an emergency situation and measure an electrocardiogram signal.

However, the position of the electrode unit 131 described above is formed according to one embodiment, and the present invention is not limited thereto.

4, the body 140 of the present invention includes an amplification unit 141 for amplifying an electrocardiogram signal collected through the electrode unit 131, a filter for removing a noise signal from the amplified electrocardiogram signal, (142).

Particularly, the electrocardiogram signal (current signal) measured by the electrode unit 131 is transmitted to the main body 140 through the electrode circuit unit 132, and the current signal transmitted from the main body 140 is amplified by the amplification unit 141 The signal amplified by the post-filter unit 142 is filtered to be transmitted to the connection unit 160, which will be described later.

More specifically, the amplifying unit 141 of the present invention amplifies the electrocardiogram signal acquired by the electrode unit 131, and can amplify the electrocardiogram signal of the potential difference type detected by the plurality of electrode units 131 have.

In addition, the filter unit 142 of the present invention is for removing a noise signal from an amplified electrocardiogram signal, and can remove a noise signal from an electrocardiogram signal including noise signals due to various living body currents.

Meanwhile, the patch type electrocardiogram sensor 100 of the present invention can be connected to the connection unit 160. The main body 140 transmits the electrocardiogram signal processed by the amplification unit 141 and the filter unit 142 to the connection unit 160 through one wire 150.

Here, the connection unit 160 refers to a kind of connector that can be connected to an external device, and the connector can transmit the ECG signal to a computer, a medical device, or a smart device (smart phone, smart pad, ) And can be monitored.

However, the present invention is not limited to such a configuration. In another aspect, the wireless communication device may be connected to the connection unit 160 to transmit an electrocardiogram signal to an external device through a wireless communication method such as Bluetooth, WLAN, or ZigBee.

100: patch electrocardiogram sensor
110: base layer 120; The flexible circuit substrate layer
130: sensor 131:
132: electrode circuit part 140:
141 amplification section 142 filter section
150: Wiring 160: Connection
170: Adhesive layer

Claims (4)

A base layer having a pad shape;
A flexible circuit substrate layer in the form of a film formed on the base layer;
A sensor formed on the flexible circuit substrate layer and including a plurality of electrode units for acquiring an electrocardiogram signal, and a plurality of electrode circuit units each having one side connected to the plurality of electrode units and configured in a circuit pattern;
A body formed on the flexible circuit substrate layer and connected to the other side of the plurality of electrode circuit portions to focus the plurality of electrode circuit portions; And
And an adhesive layer formed on the flexible circuit substrate layer so as to expose the plurality of electrode portions and including a hydrogel component for attaching the sensor to a human body part,
Wherein the main body is connected to a connection unit for transmitting the electrocardiogram signal to the outside, and the main body and the connection unit are connected by one wiring,
Wherein the plurality of electrode portions are formed so as to correspond to a position of a chest to detect the electrocardiogram signal by a monopole thoracic induction method,
Wherein the electrode circuit portion is formed in a circuit shape on the adhesive layer through one of a silk screen, a vacuum deposition, and a sputtering deposition method, and is attachable to a patient's back.
The method according to claim 1,
The body
An amplifying unit for amplifying an electrocardiogram signal transmitted through the plurality of electrode circuit units; And
And a filter unit for filtering the amplified electrocardiogram signal.
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