CN108968947A - Flexible multi-lead electric signal measurement system - Google Patents

Abstract

The present disclosure relates to a flexible multi-lead electrical signal measurement system. The flexible multi-lead electrical signal measurement system includes: a flexible electrode, an elastic wire, a power supply, a first switch, and a flexible package; the flexible electrode is connected to the first switch through the elastic wire, and the first switch is connected to the first switch. The power supply is connected, and the flexible packaging body includes a cavity, and at least the power supply and the first switch are packaged in the cavity. The flexible multi-lead electrical signal measurement system of the present disclosure uses elastic wires to connect flexible electrodes, so that the size of the system can be changed arbitrarily, which is convenient for the user to carry, so as to obtain the user's ECG signal in real time.

Description

Flexible multi-lead electrical signal measurement system

technical field

The present disclosure relates to the field of electronic technology, in particular to a flexible multi-lead electrical signal measurement system.

Background technique

Cardiovascular disease is one of the major diseases that seriously threaten human health. The monitoring of ECG signals is an important way to diagnose whether the human heart is healthy. Considering the suddenness of heart disease, real-time ECG signal monitoring and analysis is extremely important for the diagnosis and treatment of patients. At present, the monitoring and monitoring of dynamic ECG signals is a common method for medical clinical diagnosis and monitoring of heart disease. In recent years, the Holter ECG monitoring system has been a common method for dynamic monitoring of heart disease patients in hospitals. However, the Holter system has the disadvantages of being unable to obtain ECG signals in real time, inconvenient to wear, susceptible to interference, and uncomfortable to wear.

Contents of the invention

In view of this, the present disclosure proposes a flexible multi-lead electrical signal measurement system, which provides a solution that is easy to wear and obtain signals in real time for the above-mentioned problems in the prior art.

According to one aspect of the present disclosure, a flexible multi-lead electrical signal measurement system is provided, including: a flexible electrode, an elastic wire, a power supply, a first switch, and a flexible package; the flexible electrode communicates with the first flexible electrode through the elastic wire A switch is connected, and the first switch is connected to the power supply. The flexible packaging body includes a cavity, and at least the power supply and the first switch are packaged in the cavity.

Optionally, the flexible electrode includes a plurality of electrode sheets, and the system further includes: a second switch, the second switch is used to select to connect some or all of the electrode sheets in the plurality of electrode sheets to A detection path, the detection path at least includes the electrode piece that is selectively connected, the elastic wire connected to the electrode piece, the power supply and the first switch.

Optionally, the plurality of electrode sheets are elastic electrode sheets.

Optionally, the elastic wire and the flexible electrode are exposed outside the package.

Optionally, the system further includes: a connection part, the connection part is arranged on the flexible packaging body, and is used for connecting with the carrier of the system, when the system and the carrier are in a connected state , the elastic wire is in a stretched state, wherein the carrier is a wearable braid.

Optionally, the system further includes: a signal processing module, the signal processing module is located in the cavity, and the signal processing module includes a filtering module, a signal amplification module, and a signal analysis module connected in sequence, wherein the The input end of the filter module is connected to the flexible electrode through the elastic wire.

Optionally, the system further includes: an acceleration sensor, the acceleration sensor is arranged in the cavity, the output end of the acceleration sensor is connected to the input end of the signal analysis module, and the signal analysis module is used to The acceleration signal output by the acceleration sensor determines the current motion state information of the wearer of the system.

Optionally, the signal processing module further includes: a communication module, the input end of the communication module is connected to the output end of the signal analysis module, and is used to transmit the motion state information and the electrical output of the signal analysis module A signal is sent to an end device associated with the system.

Optionally, the first switch is a pressure switch.

Optionally, the elastic wire is in a spiral shape.

The flexible multi-lead electrical signal measurement system of the embodiment of the present application uses elastic wires to connect flexible electrodes, so that the size of the system can be changed arbitrarily, which is convenient for the user to carry, so as to obtain the user's ECG signal in real time.

Other features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments with reference to the accompanying drawings.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments, features, and aspects of the disclosure and, together with the specification, serve to explain the principles of the disclosure.

Fig. 1 is a schematic diagram of a flexible multi-lead electrical signal measurement system according to an exemplary embodiment.

Fig. 2 is a schematic diagram of an elastic wire according to an exemplary embodiment.

Fig. 3 is a schematic diagram of a flexible multi-lead electrical signal measurement system according to an exemplary embodiment.

Fig. 4 is a schematic diagram of electrode sheets of eight different shapes according to an exemplary embodiment.

Fig. 5 is a schematic diagram showing a combination of a flexible multi-lead electrical signal measurement system and a wearable woven fabric according to an exemplary embodiment.

Fig. 6 is a schematic diagram of a signal processing module according to an exemplary embodiment.

Detailed ways

Various exemplary embodiments, features, and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. The same reference numbers in the figures indicate functionally identical or similar elements. While various aspects of the embodiments are shown in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration." Any embodiment described herein as "exemplary" is not necessarily to be construed as superior or better than other embodiments.

In addition, in order to better illustrate the present disclosure, numerous specific details are given in the following specific implementation manners. It will be understood by those skilled in the art that the present disclosure may be practiced without some of the specific details. In some instances, methods, means, components and circuits that are well known to those skilled in the art have not been described in detail so as to obscure the gist of the present disclosure.

Fig. 1 is a schematic diagram of a flexible multi-lead electrical signal measurement system according to an exemplary embodiment. As shown in Fig. 1, the flexible multi-lead electrical signal measurement system according to this exemplary embodiment includes the following structure:

Flexible electrode 11, elastic wire 12, power supply 13, first switch 14 and flexible packaging body 15;

The flexible electrode 11 is connected to the first switch 14 through the elastic wire 12, and the first switch 14 is connected to the power source 13. The flexible packaging body 15 includes a cavity, and at least the power source 13 and the first switch 14 are packaged in the cavity.

The flexible multi-lead electrical signal measurement system of this embodiment is an integral structure with certain flexibility. The system can be contracted together when not being worn/used, has a small volume, and is convenient to carry. At this time, the elastic wire 12 is in a contracted state; when the system is worn/used, the system can be stretched , so that the flexible electrode 11 reaches the designated measurement position, and the electrical signal at the designated position is detected, and the elastic wire 12 is in a stretched state at this time.

In the case of the elastic wire of the flexible multi-lead electrical signal measurement system in this embodiment being stretched by an external force and deformed, the overall coverage area of the system increases, and when the elastic wire loses the stretching of the external force, the coverage area of the system increases with The reduction is based on the advantage that the size of the system can be changed at will, and the system is easy for the user to carry, so as to obtain the user's ECG signal in real time.

In a practicable manner, the flexible multi-lead electrical signal measurement system further includes: a second switch (not shown in FIG. 1 ), the second switch is used to select some electrodes in the plurality of electrode sheets included in the flexible electrode One piece or all the electrode pieces are connected to the detection path, and the detection path at least includes the electrode piece selected to be connected, the elastic wire connected to the electrode piece, the power supply and the first switch. For example, in the case where it is only necessary to acquire electrical signals corresponding to three leads, only the designated three electrode pads may be connected to the detection circuit. Wherein, the second switch is a selection switch, which can be exposed outside the flexible package, so that the user can choose to connect different numbers of electrode pads to meet different detection requirements by operating the switch.

In a practicable manner, the elastic wires and the flexible electrodes are exposed outside the flexible package, so as to improve the scalability of the flexible multi-lead electrical signal measurement system.

In a practicable way, the flexible multi-lead electrical signal measurement system further includes: a connection part, which is arranged on the flexible package, for example, can be arranged on the surface of the flexible package, and the connection part is used for connecting with the flexible multi-lead electrical signal. The carrier connection of the signal measurement system makes the flexible multi-lead electrical signal measurement system easy to combine with the wearable fabric, making the system easier to wear and further improving the portability of the system. When the flexible multi-lead electrical signal measurement system is connected to the carrier, the elastic wire is in a stretched state, wherein the carrier is a wearable braid, for example, a vest or a T-shirt.

In a practicable manner, the flexible multi-lead electrical signal measurement system further includes a signal processing module, which is packaged in a flexible package, and the signal processing module includes a sequentially connected filtering module, a signal amplification module, and a signal analysis module. module, wherein the input end of the filtering module is connected to the flexible electrode through elastic wires.

In a practicable way, the flexible multi-lead electrical signal measurement system further includes: an acceleration sensor, which can be packaged in a flexible package, and the output end of the acceleration sensor is connected to the input end of the signal analysis module. Based on this, The signal analysis module is also used to determine the current motion state information of the wearer of the system according to the acceleration signal output by the acceleration sensor. The motion state information may include, for example, whether the wearer is currently in a static or motion state. Based on the acceleration sensor, the real-time motion state information of the wearer of the flexible multi-lead electrical signal measurement system can be recorded, and the motion state information can be analyzed together with the ECG signal, which can be used to judge the motion state of the user in an emergency physical condition , and serve as an important reference for causing diseases.

In a practicable way, the signal processing module also includes: a communication module, which can be a wireless communication module, for example, and the input end of the communication module is connected with the output end of the signal analysis module, and is used to transfer the motion state information and signal The electrical signal output by the analysis module is sent to the terminal equipment associated with the system, so that the terminal equipment can obtain the ECG signal of the wearer of the flexible multi-lead electrical signal measurement system in real time, so as to realize real-time monitoring of the health status of the wearer.

In a practicable manner, the above-mentioned first switch is a pressure switch, such as a piezoresistive switch, and the flexible multi-lead electrical signal measurement system is worn on the human body, and the flexible multi-lead electrical signal measurement system is closely attached to the human skin. The pressure switch is closed after being pressed by the vertical direction, and the circuit is turned on, so the flexible multi-lead electrical signal measurement system starts up and starts to work. When the flexible multi-lead electrical signal measurement system is not subjected to vertical pressure, the circuit is in a disconnected state, and the system does not work.

Fig. 2 is a schematic diagram of an elastic wire according to an exemplary embodiment. As shown in Fig. 2, the elastic wire is helical and can be stretched and deformed like a spring, wherein 21 is the state of the elastic wire when it is contracted, and 22 is the state of the elastic wire when it is stretched.

In a practicable manner, multiple electrode pads of the flexible electrode are configured as three limb leads, three pressurized leads, and six chest leads. Based on this, the electrical signals measured by different electrode pads are then Identified as ECG signals measured at different locations.

Fig. 3 is a schematic diagram of a flexible multi-lead electrical signal measurement system according to an exemplary embodiment. As shown in Fig. 3 , the flexible electrode 11 of the system includes twelve flexible electrode sheets, for example, three limb leads, The three pressurized leads and the six chest leads are respectively used to collect ECG signals from different parts of the wearer of the system, and transmit the collected ECG signals to the signal processing module 16 . Optionally, the electrode sheet can be patterned so that it can withstand certain stretching and compression deformation without affecting the collection of ECG signals. As shown in FIG. 4 , the shapes of the electrode sheets include but are not limited to the shapes shown in 41-48 in FIG. 4 . Based on the flexible multi-lead electrical signal measurement system shown in Figure 3, the process of detecting the ECG signal of the subject includes: after the flexible multi-lead electrical signal measurement system is worn on the detection site of the subject and is controlled to start working, When the flexible electrode 11 is in contact with the skin of the subject to be detected, the electric signal of the human body is obtained, and the obtained electric signal is transmitted to the signal processing module 16 through the elastic wire 12, and the signal processing module 16 processes the electric signal to obtain an electrocardiogram without interference. The acceleration information of the detected person collected by the acceleration sensor 17 can be stored in the storage module in real time on the one hand, for the diagnosis and tracking of the detected person's later disease; on the other hand, when the wireless communication module is connected with the mobile terminal , ECG and acceleration information can also be transmitted to the mobile terminal in real time to track the user's ECG data in real time.

Fig. 5 is a schematic diagram showing a combination of a flexible multi-lead electrical signal measurement system and a wearable braid according to an exemplary embodiment. As shown in Fig. 5, the flexible multi-lead electrical signal measurement system is integrated with the braid 18 and adapts to the human body When in use, the measuring electrode 11 can be stretched to a specific position, and the braid 18 and the flexible multi-lead electrical signal measurement system can be worn on the human body to start the monitoring of electrical signals. At this time, the flexible multi-lead electrical signal measurement The system can fit the human body, the signal acquisition is not affected by human body movement, and the user is guaranteed to wear it comfortably.

In a practicable manner, the power supply in the flexible multi-lead electrical signal measurement system can be a flexible rechargeable battery, which has certain flexibility and can withstand certain bending deformation. Under the assumption that the bending moment is constant, the degree of bending deformation depends on the bending stiffness of the battery, and the required bending degree can be determined according to the solution formula of the radius of curvature. The battery is the energy source of the entire flexible multi-lead electrical signal measurement system. When fully charged, it can ensure real-time ECG monitoring and care for 24 hours a day, so that users and doctors can track the user's ECG in real time. data. In addition, by charging the battery, real-time measurement and storage of ECG data for multiple consecutive days can also be realized for diagnosis and tracking of later diseases.

Fig. 6 is a schematic diagram of a signal processing module shown according to an exemplary embodiment. As shown in Fig. 6, the signal processing module includes: a filtering module 61, an amplifying module 62, as an example of the above-mentioned signal amplifying module, and a wireless communication module 63, As an example of the communication module, the electrical signal analysis module 64 is an example of the signal analysis module, and the data storage module 65 is an example of the storage module. Wherein, the filtering module 61 is used for processing the electrocardiographic signals collected by the flexible electrodes, and filtering the clutter of non-cardiac electrical signals. The amplification module 62 is used to process weaker signals in the electrocardiogram, for example, it can be used to amplify the P wave in the electrocardiogram. The electrical signal analysis module 64 is used for processing and analyzing the electrocardiographic signal to obtain a better electrocardiographic signal. The wireless communication module 63 is used to output the processed ECG signal in real time; the signal is output to the mobile terminal, and the user and the doctor can obtain the user's ECG in real time, and make a diagnosis according to the real-time ECG. The data storage module 65 is used for storing the processed electrocardiographic signals, so as to facilitate extraction of later diagnosis electrocardiographic data.

In a practical way, the flexible package of the flexible multi-lead electrical signal measurement system can withstand the bending deformation of the system as a whole and shield the interference of external electrical signal clutter. The package can be made of silicone material. For signal clutter interference, a coating to prevent electrical signal interference can be applied on the surface of the silicone body to ensure the normal operation of the internal modules.

The flexible multi-lead electrical signal measurement system of the embodiment of the present application uses elastic wires to connect flexible electrodes, so that the size of the system can be changed at will, and it also makes the system easier to combine with wearable fabrics, which is convenient for users to carry , to obtain the user's ECG signal in real time.

Having described various embodiments of the present disclosure above, the foregoing description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and alterations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles of the various embodiments, practical applications or technical improvements over technologies in the market, or to enable other persons of ordinary skill in the art to understand the various embodiments disclosed herein.

Claims (10)

1. A flexible multi-lead electrical signal measurement system, characterized in that, comprising: Flexible electrodes, elastic wires, power supply, first switch and flexible packaging body; The flexible electrode is connected to the first switch through the elastic wire, and the first switch is connected to the power supply. The flexible packaging body includes a cavity, and at least the power supply and the power supply are packaged in the cavity. Describe the first switch. 2. The system of claim 1, wherein the flexible electrode comprises a plurality of electrode sheets, the system further comprising: The second switch, the second switch is used to select to connect some or all of the electrode sheets in the detection path, and the detection path includes at least the electrode sheets selected for connection, and the The elastic wire connected to the electrode sheet, the power supply and the first switch. 3. The system according to claim 2, wherein the plurality of electrode sheets are elastic electrode sheets. 4. The system according to claim 1, wherein the elastic wire and the flexible electrode are exposed outside the package. 5. The system according to claim 1, wherein the system further comprises: a connecting part, the connecting part is arranged on the flexible packaging body, and is used for connecting with the carrier of the system, when the system is connected to the carrier, the elastic wire is stretched, Wherein, the carrier is a wearable braid. 6. The system according to claim 1, further comprising: A signal processing module, the signal processing module is located in the cavity, the signal processing module includes a filter module, a signal amplification module, and a signal analysis module connected in sequence, wherein the input end of the filter module passes through the elastic wire connected to the flexible electrode. 7. The system according to claim 6, further comprising: an acceleration sensor, the acceleration sensor is arranged in the cavity, the output terminal of the acceleration sensor is connected to the input terminal of the signal analysis module, and the signal analysis module is used to determine the acceleration signal output by the acceleration sensor The current exercise state information of the wearer of the system. 8. The system according to claim 7, wherein the signal processing module further comprises: A communication module, the input end of the communication module is connected to the output end of the signal analysis module, and is used to send the motion state information and the electrical signal output by the signal analysis module to the terminal equipment associated with the system. 9. The system of claim 1, wherein the first switch is a pressure switch. 10. The system according to any one of claims 1 to 9, wherein the elastic wire is in the form of a helix.