CN205433678U - Human physiology signal acquisition paster based on biological impedance technique - Google Patents

Abstract

The utility model specifically discloses a human physiology signal acquisition paster based on biological impedance technique, including the composite bed and integrated in compound intraformational a plurality of physiological signal acquisition member, the composite bed is mainly by the protective layer and locate buffer layer and the common pressfitting of signals layer between the protective layer form, wherein a plurality of physiological signal acquisition member include electrocardioelectrode, microphone and body dynamic sensor, the electrocardioelectrode gather human electrocardiosignal or chest lung impedance signal and with signals layer electric connection, the microphone gather human sound of snoring signal and with signals layer fixed connection, the body move the human body of sensors monitor move the parameter and set up in on the signals layer. Therefore, the utility model discloses realize that single acquisition member to compound acquisition member conversion, is favorable to improving the human comfort degree and gathers efficiency and accuracy.

Description

Human physiological signal acquisition patch based on bio-impedance technology

technical field

The utility model belongs to the technical field of physiological signal acquisition, in particular to a bio-impedance technology-based bio-impedance signal acquisition patch.

Background technique

Nowadays, the fast pace of life makes many people in a state of sub-health. Long-term sub-health will cause one or more chronic diseases in the human body, such as occupational diseases, sleep apnea monitoring, etc. This makes more and more people pay more attention to their own health, such as: sleep breathing monitoring. A spontaneous and reversible resting state that occurs periodically in the human body during sleep. Sleep can make people's brain and body rest, rest and recover, help people's daily work and study, scientifically improve sleep quality, and is the guarantee for people's normal work, study and life. However, due to various reasons, some people cannot obtain normal sleep (i.e. insomnia), such as difficulty in falling asleep, too short sleep depth or frequency, early bedtime and insufficient sleep time or poor quality, etc., and the existing sleep breathing monitoring equipment cannot meet the requirements People's requirements for comfort, convenience and compound operation. For example: the ECG electrode patch is only used to collect ECG signals, while the body motion sensor and 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, due to the need to connect the lead wire, The surface is raised and affected when the subject is prone. The body motion sensor is placed in the fuselage, which cannot fit the body, resulting in the inability to accurately judge body motion. And the sleep breathing monitoring equipment is hung on the clothes worn by the human body. When the person is sideways, the machine is easy to slide and pull the neckline, which not only cannot accurately reflect the current body position but also causes wearing discomfort.

Therefore, just like the above-mentioned human physiological signal acquisition device for sleep breathing monitoring equipment, since the bonding area between the single acquisition component and the human skin surface is relatively small, and it is prone to fall off when body movement occurs or the subject sweats, etc. etc.; and since the surface of most acquisition components is raised, the subject will feel uncomfortable when in the prone position.

Utility model content

Aiming at the deficiencies in the above-mentioned prior art, the purpose of this utility model is to provide a human body physiological signal collection patch based on bio-impedance technology, which realizes the conversion from a single collection part to a composite collection part, which is conducive to improving human comfort and collection efficiency and accuracy.

In order to achieve the above object, the technical scheme adopted in the utility model is as follows:

A human physiological signal collection patch based on bio-impedance technology, comprising a composite layer and a plurality of physiological signal collection components integrated in the composite layer, the composite layer is mainly composed of a protective layer and is arranged between the protective layers The buffer layer and the signal layer are pressed together; wherein the plurality of physiological signal collection components include electrocardiographic electrodes, microphones and body motion sensors, and the electrocardiographic electrodes collect human electrocardiographic signals or chest-lung impedance signals and communicate with the The signal layer is electrically connected; the microphone collects human snoring signals and is fixedly connected to the signal layer; the body motion sensor monitors body motion parameters of the human body and is arranged on the signal layer.

Preferably, the composite layer is in the shape of a "cross" and is composed of a composite layer transverse axis part and a composite layer longitudinal axis part.

As a further preference, the body motion sensor is located at the intersection and overlap of the horizontal axis portion of the composite layer and the longitudinal axis portion of the composite layer.

As a further preference, the electrocardiographic electrodes are arranged on the transverse axis of the composite layer and located on both sides of the body motion sensor.

As a further preference, the impedance electrode includes an inverted "T"-shaped conductive column, a conductive snap button and a conductive gel; wherein one end of the conductive column is connected to the conductive snap button, and the other end passes through the The composite layer is covered by the conductive gel.

As a further preference, the microphone is located at one end of the longitudinal axis of the composite layer.

Preferably, the composite layer further includes an adhesive layer, and the composite layer is mainly composed of a protective layer, a buffer layer, a signal layer, a protective layer and an adhesive layer, which are sequentially laminated together from top to bottom.

As a further preference, it also includes an external connector with a composite cable connected to the signal layer, and the external connector with a composite cable with a composite signal cable is located on the longitudinal axis of the composite layer another side.

Preferably, the electrocardiographic electrodes, the microphone and the body motion sensor are respectively electrically connected to the signal layer through signal lead-out ends of microstrip lines etched on the signal layer.

As a further preference, the protective layer is made of non-woven fabric, the buffer layer is a sponge lining, and the signal layer is an FPC board.

After adopting the above structure, the utility model has the following advantages compared with the prior art:

1. The signal collection patch of this utility model is in the shape of a "ten". By setting the ECG electrodes on the left and right sides, it is beneficial to increase the sticking area with the human skin surface, thereby effectively avoiding the reduction of body movement or The risk of accidental detachment of electrodes due to sweating, etc.;

2. In the utility model, the microphone is placed on the top of the collection patch, which is convenient for accurate signal collection; the microphone is pasted on the Adam's apple to collect the snoring signal more accurately, avoiding the interference introduced by friction with the bedding or the sound of the beating heart;

3. The body movement acquisition part described in the utility model is placed in the center of the entire signal acquisition patch, and is located on the central axis of the human body when pasted on the human body; it fits the human body more accurately and is located on the central axis of the human body, which can ensure the accuracy of the body movement signal. accurate collection;

4. The signal acquisition patch of the utility model can effectively ensure the flat surface of the patch by setting a buffer layer, and at the same time effectively reduce the discomfort of the subject when prone.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is a schematic diagram of a human body wearing a bio-impedance technology-based human physiological signal collection patch according to an embodiment of the present invention;

Fig. 2 is the front view of the human body physiological signal acquisition patch based on bio-impedance technology described in the embodiment of the present invention;

Fig. 3 is A-A sectional view among Fig. 2;

Fig. 4 is a partial enlarged view of P in Fig. 3;

Fig. 5 is B-B sectional view among Fig. 2;

FIG. 6 is a partially enlarged view of Q in FIG. 5 .

Reference signs:

10-composite layer, 10a-composite layer horizontal axis part, 10b-composite layer longitudinal axis part, 11-protective layer, 12-buffer layer, 13-signal layer, 131-signal lead-out end, 14-adhesive layer 141-opening Groove, 20-impedance electrode, 21-conductive column, 22-conductive snap button, 23-conductive gel, 30-microphone, 40-body motion acquisition component, 50-external connector with composite signal cable.

detailed description

The following descriptions are only preferred embodiments of the present utility model, and do not therefore limit the protection scope of the present utility model.

As shown in Figures 1 to 6, the embodiment of the present invention provides a bio-impedance technology-based human physiological signal collection patch, which includes a composite layer 10 and a plurality of physiological signals integrated in the composite layer 10. As for the signal collection component, the composite layer is mainly composed of a protective layer 11 and a buffer layer 12 and a signal layer 13 disposed between the protective layers 11 and jointly laminated. The composite layer 10 described in the embodiment of the utility model is in a separate independent mode from the multiple physiological signal acquisition components integrated inside and the traditional single physiological signal acquisition component (such as: the traditional electrocardiographic electrode stickers, and the adhesion to the surface of the human skin. Compared with the relatively small knot area) due to body movement or sweat slipping, it has the advantage of positioning and fixing.

In the embodiment of the present invention, the plurality of physiological signal acquisition components include ECG electrodes 20, microphones 30 and body motion sensors 40, but also include the impedance electrodes 20 for collecting human ECG signals or chest-lung impedance signals. , and connected to the signal layer 13; the microphone 30 is patched on the signal layer 13; the body motion sensor 40 is used to monitor human body motion parameters, and is mounted and fixed on the signal layer 13.

In order to facilitate the signal collection of multiple physiological signal collection components, the composite layer 10 is in the shape of a "ten" and is composed of a composite layer horizontal axis part 10a and a composite layer vertical axis part 10b, which is beneficial to the signal collection stickers described in the present invention. The surface of the sheet is designed to be flat, which can effectively reduce the discomfort of the subject when lying prone.

The body motion sensor 40 is located at the intersection and overlap of the composite layer transverse axis portion 10a and the composite layer longitudinal axis portion (10b). More specifically, the patch of the present invention enables the body motion sensor to be positioned on the central axis of the human body when it is attached to the human body, so that it fits the human body and is accurately located on the central axis of the human body, thus ensuring the accuracy of the body motion signal. collection. In the embodiment of the present utility model, the body motion sensor 40 is an acceleration sensor, and may also be a gyroscope.

The electrocardiographic electrodes 20 are arranged on the horizontal axis portion 10a of the composite layer and on both sides of the body motion sensor 40, and are used for collecting human respiratory signals or heart rate signals. The ECG electrode 20 includes an inverted "T"-shaped conductive post 21, a conductive snap button 22 and a conductive gel 23; wherein one end of the conductive post 21 is snap-fitted with the conductive snap button 22, and the other end of the conductive post 21 passes through the The composite layer 10 is covered by the conductive gel 23 . In the embodiment of the present utility model, there are two ECG electrodes 20, which are respectively located at the left and right ends of the composite layer 10; when collecting signals, the two ECG electrodes 20 are excited and collected simultaneously. The principle of ECG electrode collection is bio-impedance technology, which is a non-invasive detection technology that uses the electrical characteristics of biological tissues and organs to extract human physiological and pathological information. 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 corresponding changes in bioimpedance characteristics. Therefore, bio-impedance technology has the advantages of non-invasive and non-destructive, convenient for long-term real-time monitoring and low cost in clinical medicine, which makes bio-impedance technology have great potential and value in clinical medicine or medical care.

Because if the microphone is placed in the machine, there are great restrictions on the way of wearing it. It is okay in summer, but in winter, when you are covered by bedding, there will be errors in snoring sound collection; especially when the night is quiet enough, the experiment has collected heartbeats. and the sound of nasal airflow. Therefore, in the embodiment of the present utility model, the microphone 30 is located at one end of the longitudinal axis portion 10b of the composite layer, more specifically, the microphone 30 is placed on the top of the collection patch, so as to facilitate accurate signal collection. For example, sticking the microphone to the Adam's apple can collect the snoring signal more accurately, and can effectively avoid the interference caused by bedding friction or heart beating sound. In a specific embodiment of the utility model, the microphone 30 is a snoring sensor, and other microphones can also be used.

The composite layer 10 also includes an adhesive layer 14, the composite layer 10 is mainly composed of a protective layer 11, a buffer layer 12, a signal layer 13, a protective layer 11 and an adhesive layer 14 sequentially pressed together from top to bottom; A slot 141 is provided at the center of the adhesive layer 14 for installing ECG electrodes and fixing conductive gel. The protective layer 11 is made of non-woven fabric, which not only plays a protective role but also ensures the comfort of wearing and contacting; the buffer layer 12 is a sponge lining and the signal layer 13 is an FPC board. Since the adhesive layer 14 is flush with the conductive gel 23, the comfort of the human body can be effectively ensured.

The ECG electrode 20, the microphone 30 and the body motion sensor 40 are electrically connected to the signal layer 13 through the signal lead-out end 131 of the microstrip line etched on the signal layer 13 respectively, and the microstrip line is formed by The microwave transmission line composed of a single conductor strip supported on the dielectric substrate is suitable for the production of planar structure transmission lines for microwave integrated circuits. Compared with metal waveguides, it has small volume, light weight, wide frequency band, high reliability and low manufacturing cost.

In order to facilitate the collection of signal output, the utility model embodiment also includes an external connector 50 with a signal cable connected to the signal layer 13 of the composite layer 10, and the external connector 50 with a composite cable is located at the The other end of the longitudinal axis portion 10b of the composite layer.

In the embodiment of the present utility model, the microphone 30 (snoring sensor) and the body motion sensor 40 are patch-welded on the surface of the signal layer (FPC material) 13, and the ECG electrode 20 can be patched on the surface of the signal layer 13, It can also be connected to the signal layer 13 through the inner layer microstrip line. In the embodiment of the utility model, the bottom layer (near 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 (protective layer) top is signal layer 13, and signal layer 13 surface pastes (or welds) the connection (or welding) point that has snoring sound sensor, body movement sensor and electrocardiogram electrode, and from signal layer 13 by composite signal cable lead out. In addition, between the top protective layer 11 (non-woven fabric layer) and the signal layer 13, a sponge lining (that is, a buffer layer) is sandwiched for leveling, thereby improving the flatness of the patch. In the embodiment of the present invention, the protective layer, the buffer layer, the signal layer, the protective layer and the adhesive layer are respectively bonded to each other by ultrasonic thermocompression.

Compared with the traditional built-in sensor externally, the embodiment of the utility model has a design concept integrated into the signal acquisition patch, and realizes the design of switching from a single electrode paste to a composite signal electrode paste; and wherein the snoring sensor is attached to the Adam's apple In order to accurately collect the snoring signal; the body position sensor is built into the signal collection patch and placed on the central axis of the human body, and it is close to the surface of the human skin, so that the body position can be accurately reflected.

The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and application scope, and the content of this specification should not be understood as Limitations on the Invention.

Claims (10)

1. A human body physiological signal acquisition patch based on bio-impedance technology, comprising a composite layer (10) and a plurality of physiological signal acquisition components integrated in the composite layer (10), the composite layer mainly consists of a protective layer ( 11) and the buffer layer (12) and signal layer (13) arranged between the protective layers (11) are pressed together; wherein the plurality of physiological signal collection components include electrocardiographic electrodes (20), microphones (30) and a body motion sensor (40), the electrocardiographic electrode (20) collects human body electrocardiogram signals or chest-lung impedance signals and is electrically connected with the signal layer (13); the microphone (30) collects human body The snoring sound signal is fixedly connected with the signal layer (13); the body motion sensor (40) monitors body motion parameters of a human body and is arranged on the signal layer (13). 2. The human physiological signal acquisition patch based on bio-impedance technology according to claim 1, characterized in that, the composite layer (10) is in the shape of a "cross" and is composed of a composite layer transverse axis part (10a) and a composite layer. Layer longitudinal axis portion (10b) constitutes. 3. The human physiological signal acquisition patch based on bio-impedance technology according to claim 2, characterized in that, the body motion sensor (40) is located at the horizontal axis part (10a) of the composite layer and the longitudinal axis of the composite layer Where the shaft portion (10b) crosses the overlap. 4. The human physiological signal collection patch based on bio-impedance technology according to claim 2, characterized in that, the electrocardiographic electrode (20) is arranged on the composite layer transverse axis part (10a) and is located at the Both sides of the body motion sensor (40). 5. the human body physiological signal acquisition patch based on bio-impedance technology according to claim 4, is characterized in that, described electrocardiogram electrode (20) comprises and is inverted " T " shape conductive post (21), conductive snap button ( 22) and conductive gel (23); wherein one end of the conductive post (21) is buckled connected to the conductive snap button (22), and the other end passes through the composite layer (10) and is covered by the conductive gel Covered by glue (23). 6. The patch for collecting human physiological signals based on bio-impedance technology according to claim 2, characterized in that, the microphone (30) is located at one end of the longitudinal axis portion (10b) of the composite layer. 7. The human physiological signal acquisition patch based on bio-impedance technology according to claim 1, characterized in that, the composite layer (10) also includes an adhesive layer (14), and the center of the adhesive layer (14) is A slot (141) is provided at the place; wherein the composite layer (10) is mainly composed of a protective layer (11), a buffer layer (12), a signal layer (13), a protective layer (11) and an adhesive layer (14) from above Press and fit together from bottom to bottom. 8. The human physiological signal acquisition patch based on bio-impedance technology according to claim 2, characterized in that, it also includes an external connection with a composite cable connected to the signal layer (13) of the composite layer (10). A connector (50), the outer connector (50) with composite cables is located at the other end of the composite layer longitudinal axis portion (10b). 9. the human physiological signal collection patch based on bio-impedance technology according to claim 1, is characterized in that, described electrocardiogram electrode (20), microphone (30) and body motion sensor (40) are respectively etched on the The signal lead-out end (131) of the microstrip line on the signal layer (13) is electrically connected to the signal layer (13). 10. The human physiological signal acquisition patch based on bio-impedance technology according to any one of claims 1 to 9, characterized in that, the protective layer (11) is made of non-woven fabric, and the buffer layer ( 12) is a sponge lining and the signal layer (13) is an FPC board.