WO2017114471A1

WO2017114471A1 - Human physiological signal collecting patch

Info

Publication number: WO2017114471A1
Application number: PCT/CN2016/113061
Authority: WO
Inventors: 张亮; 高松; 王奕刚; 徐现红; 戴涛
Original assignee: 思澜科技（成都）有限公司
Priority date: 2015-12-31
Filing date: 2016-12-29
Publication date: 2017-07-06
Also published as: CN105520730B; CN105520730A

Abstract

Disclosed is a human physiological signal collecting patch, comprising a composite layer (10) and a plurality of physiological signal collecting components integrated into the composite layer (10), wherein the composite layer (10) is mainly pressed together by a protective layer (11), and a buffer layer (12) and a signal layer (13) arranged between the protective layers (11); the plurality of physiological signal collecting components comprise an impedance electrode (20), a snore-collecting component (30) and a body movement detection component (40); the impedance electrode (20) is used to collect a human ECG signal and a pulmonary impedance signal and is electrically connected to the signal layer (13); the snore-collecting component (30) is used to collect a human snore signal and is fixedly connected to the signal layer (13); and the body movement detection component (40) is used to monitor human body movement parameters and is arranged on the signal layer (13). Therefore, this realizes the conversion of a single collecting component to composite collecting components, and is favorable to the improvement of human body comfort and the efficiency and accuracy of collection.

Description

Human physiological signal acquisition patch

The present invention claims Chinese Patent Application No. 201511024925.0, filed on Dec. 31, 2015, entitled "Human Physiological Signal Acquisition Patch", which is incorporated herein by reference in its entirety.

Technical field

The invention belongs to the technical field of physiological signal collection, and particularly relates to a human physiological signal acquisition patch using bioimpedance technology.

Background technique

Nowadays, the fast pace of life makes many people in a sub-health state, and the long-term sub-health state can cause the body to produce one or more chronic diseases, such as occupational diseases. As a result, more and more people are paying more attention to their physical health, such as through sleep breathing monitoring. Sleep is a spontaneous and reversible resting state that occurs periodically in the human body. Sleep can make people's brain and body rest, rest and recovery, help people to work and study on a daily basis, and scientifically improve the quality of sleep, which is the guarantee for people to work and study. However, some people cannot get normal sleep (ie, insomnia) for various reasons, such as difficulty falling asleep, depth or frequency of sleep, short sleep, lack of sleep time or poor quality, and existing sleep breathing monitoring equipment can not satisfy people. Requirements for comfort, convenience and compound operation. For example, the ECG electrode patch only serves as an ECG signal, and the body motion sensor and the snoring sensor are placed inside the host of the sleep breathing monitoring device; usually, after the ECG electrode is attached to the chest of the human body, the lead wire needs to be connected. The surface is convex and the subject is affected when lying on his or her back. The body motion sensor is placed inside the body and cannot fit the body, which makes it impossible to accurately determine the body motion. And the sleep breathing monitoring device is hung on the clothes worn by the human body. When the person is sideways, the machine is easy to slide and pull the collar, which not only can not accurately reflect the current position and cause discomfort of wearing.

Therefore, as with the human physiological signal acquisition device similar to the sleep breathing monitoring device described above, since the bonding area of the single collecting member to the surface of the human skin is relatively small, and body motion or When the subject is sweating or the like, it is prone to fall off, etc.; and since the surface of most of the collecting members is convex, the subject may feel uncomfortable when in the prone position.

Summary of the invention

In view of the deficiencies of the above prior art, the object of the present invention is to provide a human body physiological signal acquisition patch, which realizes conversion of a single collection component to a composite collection component, which is beneficial to improving human comfort and collection efficiency and accuracy.

In order to achieve the above object, the technical solution adopted by the present invention is as follows:

A human physiological signal acquisition patch comprises a composite layer and a plurality of physiological signal acquisition components integrated in the composite layer, the composite layer mainly consisting of a protective layer and a buffer layer and a signal disposed between the protective layers The layers are jointly pressed together; wherein the plurality of physiological signal acquisition components comprise:

The impedance electrode is configured to collect a human body ECG signal and a chest and lung impedance signal, and is electrically connected to the signal layer;

a humming acquisition component for collecting a human body humming signal and being fixedly connected to the signal layer;

The body motion detecting component is configured to monitor a body motion parameter and is disposed on the signal layer.

Preferably, the composite layer has a "ten" shape and is composed of a horizontal axis portion of the composite layer and a vertical axis portion of the composite layer.

Further preferably, the body motion detecting member is located at a position where the horizontal axis portion of the composite layer and the longitudinal axis portion of the composite layer overlap.

Further preferably, the impedance electrode is disposed on a lateral axis portion of the composite layer and on both sides of the body motion detecting member.

Further preferably, the impedance electrode comprises an inverted "T" type conductive pillar, a conductive snap and a conductive gel; wherein one end of the conductive post is snap-connected to the conductive snap, and the other end passes through the The composite layer is covered by the conductive gel.

As a further preferred, the click sound collecting member is located at one end of the longitudinal axis portion of the composite layer.

Preferably, the composite layer further comprises an adhesive layer, the composite layer is mainly composed of a protective layer, a buffer layer, The signal layer, the protective layer and the adhesive layer are pressed together in order from top to bottom.

Further preferably, there is further included an external connector with a composite cable connected to the signal layer, the outer connector with a composite signal cable being located at the other end of the longitudinal axis portion of the composite layer.

Preferably, the impedance electrode, the click sound collecting component and the body motion detecting component are electrically connected to the signal layer by a signal extracting end of the microstrip line etched on the signal layer.

Further preferably, the protective layer is made of a nonwoven fabric, the buffer layer is a sponge liner, and the signal layer is an FPC board.

With the above structure, the present invention has advantages over the prior art in that:

1. The signal acquisition patch of the present invention has a "ten" shape, and the impedance electrode is disposed on the left and right sides, which is beneficial to increase the adhesion area with the surface of the human skin, thereby effectively avoiding reduction of body motion or sweating. The risk of accidental shedding of the electrode due to such conditions;

2. The invention puts the click sound collecting component on the top of the collecting patch to facilitate accurate signal collection; the click sound collecting component is adhered to the throat joint to more accurately collect the click signal, thereby avoiding the interference introduced by the rubbing of the bedding or the sound of the beating heart;

3. The body motion collecting component of the invention is placed in the center of the whole signal collecting patch, and is located on the central axis of the human body when adhered to the human body; it is more suitable for the human body and accurately located in the central axis of the human body, and can ensure the accurate body motion signal. collection;

4. The signal acquisition patch of the present invention can effectively ensure the surface of the patch is flat by providing a buffer layer, and at the same time effectively reduce the discomfort of the subject when lying down.

DRAWINGS

The present invention is further described below in conjunction with the accompanying drawings and embodiments:

1 is a schematic diagram of human body wear of a human physiological signal acquisition patch according to an embodiment of the present invention;

2 is a front view of a human physiological signal acquisition patch according to an embodiment of the present invention;

Figure 3 is a cross-sectional view taken along line A-A of Figure 2;

Figure 4 is a partial enlarged view of the portion P in Figure 3;

Figure 5 is a cross-sectional view taken along line B-B of Figure 2;

Figure 6 is a partial enlarged view of the portion Q in Figure 5.

Reference mark:

10-composite layer, 10a-composite layer horizontal axis portion, 10b-composite layer vertical axis portion, 11-protective layer, 12-buffer layer, 13-signal layer, 131-signal terminal, 14-adhesive layer 141-open Slot, 20-impedance electrode, 21-conductive column, 22-conductive snap, 23-conductive gel, 30-click acquisition component, 40-body acquisition component, 50-external connector with composite signal cable.

detailed description

The following description is only a preferred embodiment of the invention and is not intended to limit the scope of the invention.

As shown in FIG. 1 to FIG. 6 , an embodiment of the present invention provides a human body physiological signal acquisition patch, which includes a composite layer 10 and a plurality of physiological signal acquisition components integrated in the composite layer 10, The composite layer is mainly formed by the protective layer 11 and the buffer layer 12 and the signal layer 13 disposed between the protective layers 11 being pressed together. In the embodiment of the present invention, the composite layer 10 is integrated with a plurality of physiological signal acquisition components and a conventional single physiological signal acquisition component (for example, a conventional ECG electrode sticker is in a separate independent mode and adheres to a human skin surface). The area is relatively small) because of the advantage of positioning fixation due to body motion or sweat slip.

In the embodiment of the present invention, the plurality of physiological signal collecting components include the impedance electrode 20, the click sound collecting component 30, and the body motion detecting component 40, but further includes the impedance electrode 20 for collecting the human body ECG signal or the chest and lung impedance. a signal, and is connected to the signal layer 13; the click sound collecting component 30 is attached to the signal layer 13; the body motion detecting component 40 is configured to monitor body motion parameters, and is fixedly mounted on the signal On layer 13.

In order to facilitate signal acquisition of a plurality of physiological signal acquisition components, the composite layer 10 is in a "ten" shape and is composed of a composite layer horizontal axis portion 10a and a composite layer vertical axis portion 10b, which is advantageous to the present invention. The surface of the signal acquisition patch is designed to be flat, which can effectively reduce the discomfort of the subject when lying down.

The body motion detecting member 40 is located at a position where the composite layer lateral axis portion 10a and the composite layer longitudinal axis portion 10b overlap. More specifically, the patch of the present invention enables the body motion detecting component to be located on the central axis of the human body when being adhered to the human body, thereby conforming to the human body and accurately located on the central axis of the human body, thereby ensuring accurate body motion signals. collection. In the embodiment of the present invention, the body motion detecting component 40 is an acceleration sensor, and may be a gyroscope.

The impedance electrode 20 is disposed on the horizontal axis portion 10a of the composite layer and is located on both sides of the body motion detecting component 40 for collecting a human respiratory signal or a heart rate signal. The impedance electrode 20 includes an inverted "T" type conductive post 21, a conductive snap 22 and a conductive gel 23; wherein one end of the conductive post 21 is snap-fitted to the conductive snap 22, and the other end of the conductive post 21 is passed through The composite layer 10 is covered by the conductive gel 23. In addition, the impedance electrode 20 may be an electrocardiographic electrode. In the embodiment of the present invention, the impedance electrodes 20 are disposed in two, and are respectively located at the left and right ends of the composite layer 10; when performing signal acquisition, the two impedance electrodes 20 are simultaneously excited and simultaneously collected. The principle of the impedance electrode acquisition is bioimpedance technology, which is a non-invasive detection technology that extracts physiological and pathological information of human body by utilizing the electrical characteristics of biological tissues and organs. Different human tissues and organs have unique bioimpedance characteristics, and changes in the state or function of tissues and organs will also be accompanied by changes in corresponding bioimpedance characteristics. Therefore, bioimpedance technology has the advantages of non-invasive and non-invasive in clinical medicine, convenient long-term real-time monitoring and low cost, which makes bioimpedance technology have great potential and value in clinical medicine or medical care.

Because if the squeaking collection part is placed in the machine, there is a great restriction on the way of wearing, and it is good in summer. When it is covered by shackles during winter sleep, it will cause errors in the snoring collection; especially when the night is quiet enough, the experiment has been taken. The sound of heartbeat and nasal airflow. Therefore, in the embodiment of the present invention, the click sound collecting component 30 is located at one end of the longitudinal axis portion 10b of the composite layer, and more specifically, the click sound collecting component 30 is placed at the top of the collecting patch to facilitate accurate signal acquisition. For example, the squeaking component is glued to the pharyngeal node to more accurately collect the snoring signal, which can effectively avoid the interference introduced by the squeaking or heartbeat sound. In a specific embodiment of the invention, the click sound is collected The component 30 is a click sensor, and a microphone can be used in addition to this.

The composite layer 10 further includes an adhesive layer 14 which is mainly pressed and integrated from the top to the bottom by the protective layer 11, the buffer layer 12, the signal layer 13, the protective layer 11, and the adhesive layer 14; A slot 141 is defined in the center of the adhesive layer 14 for mounting the impedance electrode and fixing the conductive gel. The protective layer 11 is made of a non-woven fabric to protect the wearing contact comfort; the buffer layer 12 is a sponge liner and the signal layer 13 is an FPC board. Since the adhesive layer 14 and the conductive gel 23 are flush, the human body comfort is effectively ensured.

The impedance electrode 20, the click sound collecting component 30, and the body motion detecting component 40 are electrically connected to the signal layer 13 through a signal terminal 131 of the microstrip line etched on the signal layer 13, respectively. It is a microwave transmission line composed of a single conductor strip supported on a dielectric substrate, and is suitable for fabricating a planar structure transmission line of a microwave integrated circuit. Compared with a metal waveguide, it is small in size, light in weight, frequency bandwidth used, high in reliability, and low in manufacturing cost. Wait.

In order to facilitate the acquisition of the signal output, the embodiment of the present invention further includes connecting an external connector 50 with a signal cable to the signal layer 13 of the composite layer 10, the outer connector 50 being located at the vertical axis portion 10b of the composite layer. another side.

In the embodiment of the present invention, the click sensor 30 and the body motion sensor 40 are soldered to the surface of the signal layer (the material is made of FPC material) 13, and the impedance electrode 20 may be attached to the surface of the signal layer 13 or through the inner layer. The microstrip line is connected to the signal layer 13. In the embodiment of the present invention, the bottom layer (close to the skin) of the composite layer 10 is an adhesive layer 14, and above the adhesive layer 14 is a non-woven fabric layer 11 (protective layer), and the non-woven fabric layer 11 ( Above the protective layer) is a signal layer 13, and the surface of the signal layer 13 is surface-mounted (or soldered) with a connection (or soldering) point of the click sensor, the body motion sensor, and the impedance electrode, and is taken out from the signal layer 13 by a composite signal cable. In addition, a sponge liner (that is, a buffer layer) is interposed between the top protective layer 11 (nonwoven layer) and the signal layer 13 for leveling, thereby improving the flatness of the patch. In the embodiment of the invention, the protective layer, the buffer layer, the signal layer, the protective layer and the adhesive layer are respectively combined with each other by ultrasonic hot pressing.

Compared with the traditional built-in sensor externally, the embodiment of the invention is integrated into the signal acquisition. The design idea of the patch realizes the design of the conversion of the single electrode to the composite signal electrode; wherein the click sensor is attached to the throat to accurately collect the click signal; the body position sensor is built in the signal collecting patch and placed It can be accurately reflected in the body's central axis and close to the human skin surface.

The above description is only a preferred embodiment of the present invention, and those skilled in the art will have a change in the specific embodiments and application scope according to the idea of the present invention. The content of the present specification should not be construed as the present invention. limits.

Claims

A human physiological signal acquisition patch comprises a composite layer (10) and a plurality of physiological signal acquisition components integrated in the composite layer (10), the composite layer mainly composed of a protective layer (11) and The buffer layer (12) and the signal layer (13) between the protective layers (11) are jointly pressed together; wherein the plurality of physiological signal acquisition components include:

The impedance electrode (20) is configured to collect a human body ECG signal or a chest lung impedance signal, and is electrically connected to the signal layer (13);

a humming acquisition component (30) for collecting a human body humming signal and being fixedly connected to the signal layer (13);

The body motion detecting component (40) is configured to monitor body motion parameters and is disposed on the signal layer (13).
The human physiological signal acquisition patch according to claim 1, wherein the composite layer (10) has a "ten" shape and is composed of a composite layer horizontal axis portion (10a) and a composite layer vertical axis portion (10b). Composition.
The human physiological signal acquisition patch according to claim 2, wherein said body motion detecting member (40) is located at a cross section of said composite layer (10a) and said vertical axis portion (10b) of said composite layer Overlap.
The human physiological signal acquisition patch according to claim 2, wherein the impedance electrode (20) is disposed on the composite layer horizontal axis portion (10a) and located in the body motion detecting member (40) On both sides.
The human physiological signal acquisition patch according to claim 4, wherein the impedance electrode (20) comprises an inverted "T" type conductive column (21), a conductive snap (22) and a conductive gel (23). Wherein one end of the conductive post (21) is snap-fitted to the conductive snap (22), the other end of which passes through the composite layer (10) and is covered by the conductive gel (23).
The human physiological signal acquisition patch according to claim 2, wherein said The click sound collecting member (30) is located at one end of the longitudinal axis portion (10b) of the composite layer.
The human body physiological signal collecting patch according to claim 1, wherein the composite layer (10) further comprises an adhesive layer (14), and the adhesive layer (14) is provided with a slot at the center (141). Wherein the composite layer (10) is mainly pressed together from the top to the bottom by the protective layer (11), the buffer layer (12), the signal layer (13), the protective layer (11) and the adhesive layer (14). .
The human physiological signal acquisition patch according to claim 2, further comprising an external connector (50) connected to the signal layer (13) of the composite layer (10), the external connector (50) ) is located at the other end of the longitudinal axis portion (10b) of the composite layer.
The human physiological signal acquisition patch according to claim 1, wherein the impedance electrode (20), the click sound collecting member (30), and the body motion detecting member (40) are respectively etched into the signal layer (13). The signal output end (131) of the upper microstrip line is electrically connected to the signal layer (13).
The human physiological signal acquisition patch according to any one of claims 1 to 9, wherein the protective layer (11) is made of a nonwoven fabric, and the buffer layer (12) is a sponge liner and The signal layer (13) is an FPC board.