WO2016106647A1

WO2016106647A1 - Affixable body surface electric signal collecting device and mounting method therefor

Info

Publication number: WO2016106647A1
Application number: PCT/CN2014/095821
Authority: WO
Inventors: 林科; 王新安; 张兴; 汪波; 黄枫; 陈啸飞; 陈晨; 邵海滨; 李宁; 郭朝阳
Original assignee: 北京大学深圳研究生院
Priority date: 2014-12-31
Filing date: 2014-12-31
Publication date: 2016-07-07

Abstract

An affixable body surface electric signal collecting device comprising a flexible electrode band (101), a flexible substrate layer (103), and an adhesive film layer (104) arranged in a downward sequence. The flexible electrode band (101) comprises and integrates multiple radially-shaped flexible dry electrodes (1013). The flexible dry electrodes (1013) run through the flexible substrate layer (103) and the adhesive film layer (104) to be affixed with the adhesive film layer (104) at the bottom of the adhesive film layer (104). An adhesive agent (1044) is attached to the bottom of the adhesive film layer (104), used for affixing the flexible dry electrodes (1013) and the adhesive film layer (104), and used for affixing to a to-be-tested part on the body surface of a human body. Also provided is a mounting method for the device. By affixing the flexible dry electrodes (1013) to a to-be-tested area of the human body via the adhesive film layer (104), the flexible dry electrodes (1013) is allowed to form a great and tight ohmic contact with the skin on the body surface of the human body, thus eliminating signal degradation effects brought forth by poor contact between the dry electrodes (1013) and the skin.

Description

Attachable body surface electric signal collecting device and assembling method thereof

Technical field

The invention relates to the field of medical instruments, in particular to an affixable body surface electrical signal collecting device and an assembling method thereof.

Background technique

Surface electrical signals have been widely used in medical research, clinical examination, patient monitoring, treatment control, artificial organs and sports medicine, etc., and are a group of basic human physiological indicators. Among them, the application of electrocardiogram, brain electricity, and myoelectricity is particularly extensive, and the existing body surface electrical signal detecting device, such as an electrocardiograph, is applied. ECG, electromyograph EMG, electroencephalograph EEG, etc., doctors can make medical decisions based on measured body surface electrical signals.

The traditional body surface electrical signal detecting device requires the patient to statically collect the body surface electrical signal in the laboratory. Although the collected surface electrical signal has high precision and good signal quality, it is only a single point (or a short period of time) signal data, and cannot be continuously collected in real time. However, in the fields of clinical monitoring, sports medicine control, etc., the collected signals are required to be real-time and continuous, and the acquisition process can be done portablely in daily life, so that the most realistic situation of the surface electrical signals can be reflected.

At present, there are also some surface electrical signal detecting devices that miniaturize their size. However, the portable body surface electrical signal detecting device merely reduces the size of the conventional monitoring device and then wears it on the body to be tested, and in addition to providing mobility, does not really improve the user's The convenience of monitoring a certain physiological signal, and the large size of the device, is not convenient to carry, and limits the normal life of the user.

Summary of the invention

The application provides an affixable body surface electrical signal collecting device and an assembling method thereof, so as to be portable to complete the collection of the electrical characteristics of the body surface to be tested, and to form a good and close ohmic contact with the body surface to be tested.

According to a first aspect of the present invention, an embodiment provides an affixable body surface electrical signal collecting device, including:

a flexible electrode strip, a flexible substrate layer and a film adhesive layer arranged in order from top to bottom; the flexible electrode strip comprises a plurality of radially flexible dry electrodes and a signal output end coupled to each of the flexible dry electrodes; each flexible dry electrode is used for Collecting electrical signals of the part to be tested; the signal output end is used for outputting electrical signals collected by the flexible dry electrodes; each flexible dry electrode penetrates the flexible substrate layer and the film adhesive layer is located at the bottom of the film adhesive layer and the film adhesive layer The adhesive is adhered to the bottom of the film adhesive layer, and the adhesive is used for sticking the flexible dry electrodes and the film adhesive layer, and is also used for sticking the body surface to be tested.

According to a second aspect of the present invention, an embodiment provides an assembly method of an attachable surface electrical signal acquisition device, including:

a step of bonding, bonding the flexible substrate layer and the film adhesive layer to the face; mechanically fixing step, mechanically linking and fixing the connector structure of the flexible electrode tape and the corresponding position of the flexible substrate layer; The flexible dry electrode sequentially passes through the hollow slit structure of the flexible substrate layer and the grooved structure of the film adhesive layer, and the non-surface contact surface of the flexible dry electrode is pasted to the intended pasting region of the film adhesive layer.

According to the affixable body surface electrical signal collecting device of the present invention, since the flexible dry electrode is adhered to the human body to be tested through the film adhesive layer, the flexible dry electrode can form a good and close ohmic contact with the human body surface skin, which can eliminate the dry The signal deterioration effect caused by poor contact between the electrodes and the skin. The affixable body surface electrical signal acquisition device is prepared by using a flexible material, so that when pasted to the user's body surface, the user's paste comfort is improved and the user experience is improved.

DRAWINGS

1A and FIG. 1B are schematic diagrams showing the structure of an affixable body surface electrical signal collecting device according to an embodiment, wherein FIG. 1A is a schematic view of each layer, and FIG. 1B is a cross-sectional side view;

2A and 2B are schematic views of a flexible electrode strip disclosed in the embodiment, wherein FIG. 2A is a front view and FIG. 2B is a rear view;

3A and 3B are schematic views of another flexible electrode strip disclosed in the embodiment, wherein FIG. 3A is a front view and FIG. 3B is a rear view;

4 is a schematic structural view of a flexible dry electrode disclosed in the embodiment;

5A and 5B are schematic views showing a structure of a flexible substrate layer, wherein FIG. 5A is a front view and FIG. 5B is a side view;

6A, FIG. 6B and FIG. 6C are schematic diagrams showing the form of the electric signal collecting device disclosed in the embodiment after being attached to the body surface, wherein FIG. 6A is a schematic view of the shape of the flexible electrode strip under normal skin condition, and FIG. 6B is a view of the skin contraction. Schematic diagram of the shape of the flexible electrode strip, FIG. 6C is a schematic view of the shape of the flexible electrode strip in the case of skin stretching;

7A and 7B are schematic views of a film adhesive layer disclosed in the embodiment, wherein FIG. 7A is a front view, and FIG. 7B is a rear view;

Figure 8 is a schematic view showing the contact state of the flexible dry electrode with the skin disclosed in the embodiment;

9 is a schematic diagram of a bonding form of an electrical signal collecting device and a skin surface of the body disclosed in the embodiment;

Figure 10 is a schematic block diagram showing a structure of a circuit unit disclosed in the embodiment;

11A and FIG. 11B are schematic views of a casing disclosed in the embodiment, wherein FIG. 11A is a front elevational view, and FIG. 11B is a side cross-sectional view;

12A, 12B and 12C are schematic views of another housing disclosed in the embodiment, wherein Fig. 12A is a front view, 12B is a side cross-sectional view, and Fig. 12C is a side cross-sectional view after being placed in the circuit unit.

detailed description

Referring to FIG. 1A, FIG. 1B and FIG. 2A, an attachable body surface electrical signal collecting device 100 disclosed in this embodiment includes: a flexible electrode strip 101, a flexible substrate layer 103 and a film adhesive layer arranged in order from top to bottom. 104, wherein

The flexible electrode strip 101 includes a plurality of radial flexible dry electrodes 1013 and signal output ends coupled to the respective flexible dry electrodes 1013. Each flexible dry electrode 1013 is used to collect electrical signals of the body to be tested, and the signal output ends are used for outputting each. The electrical signal collected by the flexible dry electrode 1013.

Each of the flexible dry electrodes 1013 penetrates the flexible substrate layer 103 and the film bonding layer 104 is placed on the bottom of the film bonding layer 104 to adhere to the film bonding layer 104.

The flexible substrate layer 103 is used to support and protect the flexible electrode strip 101.

An adhesive 1044 is attached to the bottom of the film adhesive layer 104. The adhesive 1044 is used for adhering the flexible dry electrodes 1013 and the film adhesive layer 104, and is also used for sticking the body surface to be tested, thereby accommodating the electrical signal collecting device 100 and the human body. The surface of the test site is tightly bonded. In a specific embodiment, each of the flexible dry electrodes 1013 can be inserted into the bottom of the film adhesive layer 104 through a slit or a through hole provided in the flexible substrate layer 103 and the film adhesive layer 104, and then pasted on the film. The bottom of layer 104.

The electrical signal acquisition device 100 can also include a circuit unit 102 coupled to the signal output for processing the electrical signal output by the signal output.

In a preferred embodiment, the electrical signal acquisition device 100 may further include: a casing 105 housing 105 for wrapping the flexible electrode strip 101, the flexible substrate layer 103, and the film adhesive layer 104 from the upper portion of the flexible electrode strip 101, or The casing 105 also wraps around the circuit unit 102. The casing 105 is used to achieve waterproof, dustproof, and/or anti-collision of the internal components of the electrical signal acquisition device 100.

Referring to FIG. 2A, FIG. 2B and FIG. 2C, a schematic structural view of the flexible electrode strip 101 of the present embodiment is illustrated. Each of the flexible dry electrodes 1013 is radially outward with the signal output end as a plane center. Each of the flexible dry electrodes 1013 may be distributed according to a preset rule, which may be determined according to different detection parts of the body surface, such as: chest lead, single lead, three lead, five lead, nine lead Linked or simulated lead, etc., these are distributed in various parts of the body such as hands, feet, chest, etc., and then simulated as a point far away from the heart, shortened to the heart to collect. The three flexible dry electrodes 1013 are integrated on the flexible electrode strip 101 as an example. One distribution mode is shown in FIG. 2A and FIG. 2B. Two flexible dry electrodes 1013 on the flexible electrode strip 101 are connected to the signal output end. The angle between them is 180°, the length is the same, and at the same time, the connection between the third flexible single electrode 1013 and the connector structure 1011 is 90°. In a particular embodiment, each flexible dry electrode 1013 can be coupled to a signal output via an electrical connection 1012.

In another specific embodiment, referring to FIG. 3A and FIG. 3B, the flexible electrode strip includes a first connector structure 1011a and a second connector structure 1011b, with the first connector structure 1011a being a planar center extending toward the radiation. Two paths, the end of the path is a first flexible dry electrode 1013a and a second flexible dry electrode 1013b, and a third flexible dry electrode 1013c; with the second connector structure 1011b as a plane center, two paths are outwardly radiated, the end of the path The fourth flexible dry electrode 1013d, the fifth flexible dry electrode 1013e, and the sixth flexible dry electrode 1013f. The second flexible dry electrode 1013b and the third flexible dry electrode 1013c share one path, and the fourth flexible dry electrode 1013d and the fifth flexible dry electrode 1013e share one path. The first flexible dry electrode 1013a, the second flexible dry electrode 1013b, and the third flexible dry electrode 1013c are connected to the first connector structure 1011a by an electrical connection line 1012 on the extending path thereof, and the fourth flexible dry electrode 1013d, the fifth flexible The dry electrode 1013e and the sixth flexible dry electrode 1013f are connected to the second connector structure 1011b by an electrical connection line 1012 on an extending path thereof. The flexible electrode strip of the embodiment can be used for attaching to the left front chest of the human body, and can be used for collecting the chest lead ECG signal of the human body surface. In other embodiments, the flexible electrode strip may also employ other flexible dry electrode distributions.

In a preferred embodiment, each flexible dry electrode 1013 is a microneedle array 10131 that is only one side that can be in contact with a human body surface, and the contact surface is made of a metal conductive material (eg, gold, copper), such as As shown in FIG. 4, the microneedle array structure can pierce the stratum corneum of the human body surface when it comes into contact with the body surface to be tested, so that the electrical characteristics of the part can be better collected. In a preferred embodiment, the microneedle array 10131 is coated with a layer of silver or silver chloride material 10132.

In a preferred embodiment, the flexible electrode strip 101 includes a connector structure 1011 with a signal output end secured to the connector structure 1011 through which the flexible electrode strip 101 is mechanically coupled to the flexible substrate layer 103.

In a particular embodiment, the connector structure 1011, each of the flexible dry electrodes 1013, and the electrical connection lines 1012 are all fabricated based on a flexible printed circuit board substrate. The flexible dry electrode 1013 and the electrical connection line 1012 are respectively fabricated on both sides of the flexible printed circuit board substrate and electrically connected through the through holes 1015.

Referring to FIGS. 5A and 5B, the shape profile of the flexible substrate layer 103 is such that the outer contour of the shape of the flexible electrode strip 101 is enlarged so that the flexible substrate layer 103 can completely cover the flexible electrode strip 101. Of course, in other embodiments, the shape profile of the flexible substrate layer 103 may also be equal to or slightly smaller than the shape profile of the flexible electrode strip 101. In a preferred embodiment, the flexible substrate layer 103 should be made of a material having stretch elasticity or also water absorption and gas permeability, such as spunlace nonwoven fabric, non-woven fabric, foam, polyethylene (PE). ), polyethylene terephthalate (PET).

A mechanical link 1031 is also provided on the contact surface of the flexible substrate layer 103 with the connector structure 1011 of the flexible electrode strip 101, by which the mechanical link 1031 can form a mechanical link with the connector structure 1011, thereby fixing the connector. The structure 1011, and the corresponding positions of the flexible dry electrode 1013 and the electrical connection line 1012 and the flexible substrate layer 103 are relatively fixed without mechanical linkage, and are not horizontally displaced or rotated.

A hollow slit structure 1032 is provided on the flexible substrate layer 103 at a position corresponding to each of the flexible dry electrodes 1013, and the hollow slit structure 1032 is used to pass through the corresponding flexible dry electrode 1013, thereby placing the flexible dry electrodes 1013 in flexibility. The bottom of the substrate layer 103. In a preferred embodiment, the distance between the hollowed-slit structure 1032 to the mechanical connection point of the connector structure 1011 and the flexible substrate layer 103 is less than the distance of its corresponding flexible dry electrode 1013 to the mechanical connection point. In order to facilitate the electrical signal collection device 100 to be attached to the body surface to be tested, the electrical connection line 1012 of the flexible electrode strip 101 should be bent and suspended on the flexible substrate surface 103, as shown in FIGS. 6A, 6B and 6C. Thereby, the relative displacement of the flexible dry electrode 1013 and the skin caused by the tensile force of the electrical connection line 1012 due to the stretching or contraction of the skin of the human body surface is avoided, thereby reducing the stretching or contraction of the skin of the human body surface. The effects of signal degradation, such as baseline drift or motion ghosting, improve the quality of the body's surface electrical signals.

Referring to FIGS. 7A and 7B, the shape of the film adhesive layer 104 is such that the outer contour of the shape of the flexible substrate layer 103 is enlarged so that the flexible substrate layer 103 can completely cover the flexible substrate layer 103. Of course, in other embodiments, the shape profile of the flexible substrate layer 103 may also be equal to or slightly smaller than the shape profile of the flexible substrate layer 103. In a preferred embodiment, the film adhesive layer 104 should be made of a material having stretch elasticity or also water absorption and gas permeability, such as polyethylene (PE) or polyethylene terephthalate (PET). .

In a specific embodiment, the film adhesive layer 104 The flexible substrate layer 103 can be attached and fixed by gluing. The adhesive layer on the film adhesive layer 104 and the flexible substrate layer 103 should be attached with an adhesive so that the film adhesive layer 104 and the flexible substrate layer 103 are closely adhered.

A grooved structure 1041 is provided on the film adhesive layer 104 at a position corresponding to each of the hollow slit structures 1032, and the grooved structure 1041 is used to pass through the flexible dry electrode 1013 corresponding to the hollow slit structure 1032. The distance from the slotted structure 1041 to the mechanical joint of the connector structure 1011 to the flexible substrate layer 103 is less than the distance of its corresponding hollow slotted structure 1032 to the mechanical joint. Preferably, the slotted structure 1041 allows the corresponding flexible dry electrode 1013 to pass through, and the back surface of the flexible dry electrode 1013 can be adhered to the back surface of the film adhesive layer 104 after being bonded to the back surface of the film adhesive layer 104. Therefore, when the electrical signal collecting device is attached to the body surface, as shown in FIG. 8, the flexible dry electrode 1013 can form a good and tight ohmic contact with the skin of the human body surface, and then, the contact with the skin due to the flexible dry electrode 1013 can be eliminated. The deterioration of the signal caused by the bad, improving the collection quality of the body surface electrical signal, and also avoiding the use of the conductive glue/liquid in the commercial silver chloride wet electrode for improving the contact quality, improving the bonding comfort of the device of the embodiment. degree.

Referring to FIG. 7B, the adhesive 1044 attached to the bottom of the film adhesive layer 104 (the side in contact with the body surface) is distributed at least in the intended adhesion region 1046 of each flexible dry electrode 1013, or is also distributed over the limited epitaxy of each flexible dry electrode 1013. Area 1045. Therefore, when the electrical signal collecting device 100 is attached to the body surface, as shown in FIG. 9, when the skin of the human body is protruded or recessed due to the movement of the human body, the collecting device 100 can ensure the position of the dry electrode and the skin of the body surface. When the contact is good and the contact is good, the adaptive adjustment of the matching shape and the relative position of the collection device 100 and the skin of the body surface can ensure the quality of the electrical signal of the human body surface collected by the collection device 100, and also improve the collection. The paste comfort of the device 100.

In a preferred embodiment, the adhesive 1044 should be made of a material that is highly viscous, conformable, and less susceptible to skin sensitivity, such as acrylates, synthetic rubbers.

In a specific embodiment, referring to FIG. 10, the circuit unit 102 may include: a signal conditioning circuit 1021 for amplifying, filtering, and digital-to-analoging signals from the flexible dry electrode 1013 in the flexible electrode strip 102; for data processing, data A central processing circuit 1022 for forwarding, control, a storage circuit 1023 for data temporary storage, a communication circuit 1024 for data transmission, and a power management circuit 1025 for power supply. The circuit unit 102 is encapsulated in the hermetic casing 1026, only the signal connector 1027 is exposed to the hermetic casing, and the signal connector 1027 is capable of forming an electrical connection with the signal output terminal of the flexible electrode strip 101.

Referring to FIG. 11A and FIG. 11B, the shape contour of the casing 105 is consistent with the shape contour of the film bonding layer 104, and the casing 105 is fixedly connected to the film bonding layer 104. In a specific embodiment, it may be fixed by the adhesive and the film bonding layer 104. connection. The material of the casing 105 is pressure-resistant. In a preferred embodiment, the material of the casing 105 also has a material that is stretchable, waterproof, dustproof, and resistant to weak acid and alkali corrosion, such as silica gel.

In other embodiments, when the shape profile of the film adhesive layer 104 is slightly smaller than the shape profile of the flexible substrate layer 103, that is, the shape of the film adhesive layer 104 is a limited retraction of the shape profile of the flexible substrate layer 103, the film is pasted. The shape contour of the layer 104 should be larger than the shape profile of the flexible electrode strip 101, in which case the housing 105 should be fixed, for example, bonded to the flexible substrate layer 103.

Referring to FIG. 11B, the casing 105 is gradually raised from the edge toward the center, and a cavity 1052 can be formed therein and subjected to a certain force impact. The circuit unit 102 is disposed in the cavity 1052. For example, a mechanical link snap structure 1051 or other mechanical structure capable of holding the circuit unit 102 is disposed in the middle of the casing 105, and the circuit unit 102 can be placed in the air through the snap structure 1051. Inside the cavity 1052. In one embodiment, the circuit unit 102 is non-detachably secured within the cavity 1052; in another embodiment, the circuit unit 102 can also be removably placed within the cavity 1052.

Referring to FIG. 10 and FIG. 11B, the sealing sleeve 1026 of the circuit unit 102 has a mechanical link buckle 10261 on its surface, which can form a mechanical link with the mechanical link buckle 1051 in the casing 105. A mechanical link snap structure 1051 is formed in the middle of the casing 105, and the circuit unit 102 can be inserted into the casing 105 to mechanically link the mechanical link buckle structure 10261 on the surface of the sealed casing 1026 of the circuit unit 102, so that the circuit unit 102 is The casing 105 is completely wrapped and cannot be removed from the entire device.

Referring to FIGS. 12A, 12B and 12C, the top of the casing 105 has a window opening structure 1053 through which the cavity 1052 communicates, and the window shape contour conforms to the shape of the sealing casing 1026 of the circuit unit 102. The circuit unit 102 can be embedded in the casing 105 to mechanically link the mechanical link buckle structure 10261 on the surface of the sealed casing 1026 of the circuit unit 102, so that the circuit unit 102 is free of gaps between the casings 105 and can be from the entire device. Disassembled. An advantage of the detachable connection of the circuit unit 102 to the housing 105 is that the circuit unit 102 can be used multiple times, while the remaining assembled components of the electrical signal acquisition device 100 as a single unit are disposable. It can be seen that when the electrical signal acquisition device 100 is used as a reproducible medical device, components that are in contact with the body surface, such as the flexible electrode strip 101, the flexible substrate layer 103, and the film adhesive layer 104, can be used as a single-use single-use consumable. The circuit unit 102 in contact with the body surface can be used as a common component for multiple use by multiple people. In this way, when the electrical signal collection device provided by the embodiment is used to collect the electrical signals of the human body surface, the cost and resource consumption can be minimized under the premise of ensuring safety and sanitation.

The embodiment also discloses an assembly method of the affixable body surface electrical signal collecting device, which comprises the following steps:

a bonding step of bonding the flexible substrate layer 103 and the film adhesive layer 104 to the front surface;

a mechanical fixing step of mechanically linking and fixing the connector structure 1011 of the flexible electrode strip 101 to the corresponding position of the flexible substrate layer 103;

In the penetrating step, the flexible dry electrode 1013 of the flexible electrode strip 101 is sequentially passed through the hollow slit structure 1032 of the flexible substrate layer 103 and the slotted structure 1041 of the film adhesive layer 104, and the non-human body of the flexible dry electrode 1013 The surface contact surface is pasted to the intended adhesion area of the film adhesive layer 104.

In a preferred embodiment, when the electrical signal collecting device further includes the casing 105, the following steps are further included after the penetrating step:

In a specific embodiment, when the shape contour of the film adhesive layer 104 is larger than the shape contour of the flexible substrate layer 103, the edge of the casing 105 is bonded to the film adhesive layer 104;

In another specific embodiment, the edge of the casing 105 is bonded to the flexible substrate layer 103 when the shape profile of the film-attachment layer 104 is slightly less than or equal to the shape profile of the flexible substrate layer 103.

In a preferred embodiment, when the electrical signal acquisition device further includes the circuit unit 102, and the circuit unit 102 is non-detachably disposed in the casing 105, the circuit unit 102 should be first fixed in the cavity 1052 of the casing 105. Then, the edge of the casing 105 is bonded to the film adhesive layer 104 or the flexible substrate layer 103.

In other embodiments, other components of the flexible attachable surface electrical signal acquisition device can be deducted and assembled based on the shape profile of the flexible electrode strip 101.

The affixable body surface electrical signal collecting device disclosed in this embodiment can be used for collecting an electrocardiogram signal, an electromyogram signal or a skin electrical impedance signal of a human body surface, and has the following advantages:

The flexible dry electrode of the affixable body surface electrical signal collecting device disclosed in this embodiment can form a good and tight ohmic contact with the skin of the human body surface, that is, the signal deterioration effect caused by poor contact between the dry electrode and the skin can be eliminated. The collection quality of the body surface electrical signal is improved, and the conductive glue/liquid for improving the contact quality in the commercial silver chloride wet electrode is also avoided, thereby improving the paste comfort of the device of the embodiment.

Further, since the flexible electrode strip and the circuit unit are integrated in the same device, the collection process of the electrocardiogram signal or the electromyogram signal or the skin electrical impedance signal does not require a lead wire, thereby improving the convenience and comfort of the acquisition process; There is no lead wire in the conduction process of the surface electrical signal. The collected signal will not have the noise and interference signals introduced by the lead wire in the traditional device, which improves the signal acquisition quality.

In addition, since the electric signal collecting device is manufactured and assembled according to the above embodiment, the electric signal collecting device does not need to carry the volume device, and can be directly attached to the chest, the arm, the leg, etc. like the wound patch, and needs to collect the electrocardiogram signal or the myoelectricity. Signal or skin electrical impedance signal of the body surface to be tested, and the acquisition process does not affect the wearer's normal living activities, suitable for long-term, continuous collection of ECG signals or EMG signals or skin electrical impedance signals The collected signal data is more valuable. For the user, the process is comfortable and very suitable for wearing for more than 72 hours.

The invention has been described above with reference to specific examples, and is intended to be illustrative of the invention. Variations to the above-described embodiments may be made in accordance with the teachings of the present invention.

Claims

An affixable body surface electrical signal collecting device, comprising: a flexible electrode strip (101), a flexible substrate layer (103) and a film adhesive layer (104) arranged in order from top to bottom;

The flexible electrode strip (101) includes a plurality of radial flexible dry electrodes (1013) and signal output ends coupled to the respective flexible dry electrodes (1013); each flexible dry electrode (1013) is used to collect electrical signals of the body to be tested. The signal output is used to output an electrical signal collected by each flexible dry electrode (1013);

Each flexible dry electrode (1013) penetrates the flexible substrate layer (103) and the film adhesive layer (104) is disposed at the bottom of the film adhesive layer (104) and adheres to the film adhesive layer (104);

An adhesive (1044) is attached to the bottom of the film adhesive layer (104). The adhesive (1044) is used to adhere the flexible dry electrodes (1013) and the film adhesive layer (104), and is also used for sticking the body surface to be tested.
The acquisition device of claim 1 wherein each of the flexible dry electrodes (1013) is radially outward with the signal output end being planar.
The collection device according to claim 1, wherein each of the flexible dry electrodes (1013) for contacting the body surface is a microneedle array.
The collection device of claim 3 wherein said microneedle array surface is further coated with silver or silver chloride.
The acquisition device according to claim 1, wherein the flexible electrode strip (101) comprises a connector structure (1011), the signal output end being fixed to the connector structure (1011); and the flexible electrode strip (101) passing through the connection The device structure (1011) is mechanically coupled to the flexible substrate layer (103); each flexible dry electrode (1013) is coupled to the signal output via an electrical connection (1012).
The collecting device according to claim 5, characterized in that a hollow slit structure (1032) is provided at a position corresponding to each flexible dry electrode (1013) on the flexible substrate layer (103); a hollow slit structure (1032) ) for passing through the corresponding flexible dry electrode (1013);

The distance between the hollow sipe structure (1032) to the mechanical connection point of the connector structure (1011) and the flexible substrate layer (103) is less than the distance of its corresponding flexible dry electrode (1013) to the mechanical connection point.
The collecting device according to claim 6, wherein a grooved structure (1041) is provided on the film adhesive layer (104) at a position corresponding to each of the hollow slit structures (1032); and the grooved structure (1041) is used. a flexible dry electrode (1013) corresponding to the hollowed-out slit structure (1032);

The distance from the slotted structure (1041) to the mechanical connection point of the connector structure (1011) to the flexible substrate layer (103) is less than the distance of its corresponding hollow sipe structure (1032) to the mechanical connection point.
The acquisition device according to claim 1, wherein the shape of the flexible substrate layer (103) is such that the outer contour of the shape of the flexible electrode strip (101) is enlarged; the shape of the adhesive layer (104) is a flexible base. The outer edge of the shape contour of the material layer (103) is enlarged.
The collection device according to claim 1, wherein the material of the flexible substrate layer (103) and the film adhesive layer (104) has stretchable elasticity or also has water absorbency and/or gas permeability.
The collecting device according to claim 1, wherein the adhesive (1044) attached to the bottom of the film adhesive layer (104) is distributed at least in the area to be pasted of each flexible dry electrode (1013), or is also distributed on each flexible dry electrode. The finite epitaxial region of (1013).
The collection device according to any one of claims 1 to 10, further comprising:

A circuit unit (102) coupled to the signal output for processing an electrical signal output by the signal output.
The collection device according to any one of claims 1 to 10, further comprising:

The casing (105) is for wrapping the flexible electrode strip (101), the flexible substrate layer (103) and the film sticking layer (104) from the upper portion of the flexible electrode strip (101).
The collecting device according to claim 12, wherein the shape contour of the casing (105) is identical to the shape contour of the film bonding layer (104), and the casing (105) is fixedly coupled to the film bonding layer (104).
The collection device according to claim 13, wherein the casing (105) is fixedly coupled to the film adhesive layer (104) by an adhesive.
The collecting device according to claim 12, wherein the casing (105) is made of a pressure resistance or has a stretchable elasticity.
The collection device of claim 12, further comprising:

a circuit unit (102) coupled to the signal output for processing an electrical signal output by the signal output;

The casing (105) has a cavity (1052), and the circuit unit (102) is placed in the cavity (1052).
The acquisition device of claim 16 wherein said circuit unit (102) is non-detachably secured within said cavity (1052).
The acquisition device of claim 17 wherein said circuit unit (102) is secured within said cavity (1052) by a snap.
The collecting device according to claim 16, wherein the top of the casing (105) has a window opening structure (1053) communicating with the cavity (1052), and the circuit unit (102) is detachably placed. In the cavity (1052).
An assembly method for attaching a surface electrical signal acquisition device, comprising:

a bonding step of bonding the flexible substrate layer (103) and the film adhesive layer (104) to the front surface;

a mechanical fixing step of mechanically linking and fixing the connector structure (1011) of the flexible electrode strip (101) to the corresponding position of the flexible substrate layer (103);

In the penetrating step, the flexible dry electrode (1013) of the flexible electrode strip (101) is sequentially passed through the hollow slit structure (1032) of the flexible substrate layer (103) and the slotted structure of the film adhesive layer (104) (1041) And attaching the non-contact surface of the flexible dry electrode (1013) to the human body surface to the intended adhesion area of the film adhesive layer (104).
The assembly method according to claim 20, further comprising: after the penetrating step:

Bonding the edge of the casing (105) to the film adhesive layer (104) or the flexible substrate layer (103); or,

The circuit unit (102) is fixed in the cavity (1052) of the casing (105), and the edge of the casing (105) is bonded to the film adhesive layer (104) or the flexible substrate layer (103).