CN114983422A

CN114983422A - Wearable electrocardiogram monitoring system

Info

Publication number: CN114983422A
Application number: CN202210562097.XA
Authority: CN
Inventors: 张彧
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-09-02

Abstract

The invention discloses a wearable electrocardiogram monitoring system. Wherein, this system includes: the electrocardiosignal acquisition unit comprises a main control module, a power supply module and a plurality of electrocardio acquisition units; the electrocardio acquisition units are fixed at corresponding detection positions of a human body through electrocardio monitoring patches, are connected to the main control module through lead wires and are used for sending acquired electrocardio signals to the main control module; the power supply module is connected to the main control module through a connector and is used for supplying power to the main control module; the main control module is used for processing the received electrocardiosignals and transmitting the processed electrocardiosignals to the terminal equipment; wherein, the surface of the electrocardio acquisition unit is plated with an electric shielding layer. According to the technical scheme of the embodiment of the invention, the back of the electrocardio acquisition unit is plated with the latticed metal coating to shield static electricity; the anisotropic conductive gel adhesive film is added on one side of the patch electrode, which is in contact with the skin, and the anisotropic conductive gel adhesive film is matched with a main electrode Ag/AgCl, so that a lateral noise electric signal can be shielded, and the sampling precision and accuracy are greatly improved.

Description

Wearable electrocardiogram monitoring system

Technical Field

The embodiment of the invention relates to the technical field of electrocardio monitoring, in particular to a wearable electrocardio monitoring system.

Background

An Electrocardiogram (ECG) is a basic examination means, and has become an essential examination item in a conventional examination subject, and the ECG examination is effective in determining the presence or absence of cardiac abnormalities such as arrhythmia, myocardial ischemia, and myocardial infarction. China currently has 3 hundred million patients with heart diseases. The world dies annually due to heart disease by >1800 million people.

However, most of the common integrated electrocardiograph monitoring systems on the market are single-lead systems, the monitoring content is single, the number of provided key indexes is limited, and the stability of sampled signals is poor.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a wearable electrocardiogram monitoring system, which is used for providing more lead signals and greatly improving the sampling precision and accuracy of the electrocardiogram signals.

The embodiment of the invention provides a wearable electrocardiogram monitoring system, which comprises: the electrocardiosignal acquisition unit comprises a main control module, a power supply module and a plurality of electrocardio acquisition units;

the plurality of electrocardio acquisition units are fixed at the corresponding detection positions of the human body through electrocardio monitoring patches, are connected to the main control module through lead wires, and send acquired electrocardio signals to the main control module;

the power supply module is connected to the main control module through a connector and used for supplying power to the main control module;

the main control module is used for processing the received electrocardiosignals and transmitting the processed electrocardiosignals to the terminal equipment;

wherein, the surface of the electrocardio acquisition unit is plated with an electric shielding layer.

Optionally, the electric shielding layer is a grid-shaped metal plating layer.

Optionally, an anisotropic conductive gel is added on one side of the electrocardiograph acquisition unit, which is in contact with the skin.

Optionally, the main control module is provided with a plurality of signal structure pin ports.

Optionally, the main control module includes: the system comprises an analog-to-digital converter, a main control board and a wireless data transmission module;

the analog-to-digital converter is used for converting the received electrocardiosignals into digital signals, the main control board is used for processing the digital signals, and the wireless data transmission module is used for transmitting the processed signals to the terminal equipment.

Optionally, the system further includes an antenna connected to the wireless data transmission module.

Optionally, the antenna is connected with the wireless data transmission module by welding, or the antenna is connected with the wireless data transmission module by a metal probe or a signal extension line.

Optionally, the system further comprises a binding accessory comprising a silicone shell binding strap.

Optionally, the wearing mode of the system is realized by a patch mode or a strip-shaped strap structure.

Optionally, the electrocardiograph acquisition unit further includes: connecting buckles, non-woven fabrics, solid rubber rings, gel adhesive membranes and anti-sticking films.

The invention has the beneficial effects that:

1. the embodiment can adopt a wearable design, so that the patient can freely realize high-precision electrocardiographic remote sensing monitoring under the condition of unconstrained movement.

2. The electrocardio acquisition hardware scheme adopts a high-integration design, the host is small in size, and the MCU reserves a channel and is convenient for product function expansion.

3. Adopt host computer, paster (containing the electric pole) split type design, small and exquisite light, wherein: the consumptive material section adopts high conductivity, and anisotropic conductive gel cooperation Ag/Ag Cl paster electrode, and the consumptive material substrate adopts composite construction, including polyurethane coating + hydrophobic processing silk non-woven fabrics + medical aquogel that disinfects, and this consumptive material is disposable, and single host computer carries 100 +/year consumptive material frequency of use on average.

4. The nano anisotropic conductive composite polyester material is used as an electrocardiosignal conductor, so that the stability, accuracy, sensitivity and noise resistance of electrocardiosignals are ensured. The electrocardio acquisition unit is flexible, can extend, wears the stable in structure various, corresponds more comprehensively, and diversified detection data gathers.

5. The BLE Bluetooth and Wi-Fi communication are adopted, the communication protocol is developed autonomously, the adaptability is high, hardware equipment of a family or mechanism user platform can be conveniently communicated, and a single open port is matched with a hospital HIS system.

Drawings

Fig. 1 is a schematic structural diagram of an electrocardiograph acquisition unit according to an embodiment of the present invention;

fig. 2 is a schematic structural frame diagram of a wearable electrocardiograph monitoring system according to an embodiment of the present invention;

fig. 3 is a schematic view of a wearable electrocardiograph monitoring system based on a strip-shaped strap structure according to an embodiment of the present invention;

fig. 4 is a schematic view of a wearable electrocardiograph monitoring device according to an embodiment of the present invention;

fig. 5 is a schematic view of another wearable electrocardiograph monitoring device according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

Examples

The embodiment of the invention provides a wearable electrocardiogram monitoring system, which comprises: the electrocardio acquisition unit comprises a main control module, a power supply module and a plurality of electrocardio acquisition units.

The electrocardio acquisition units are fixed at the corresponding detection positions of the human body through electrocardio monitoring patches, are connected to the main control module through lead wires, and send acquired electrocardio signals to the main control module;

the main control module is used for processing the received electrocardiosignals and transmitting the processed electrocardiosignals to the terminal equipment.

The number of the electrocardio acquisition units can be 5-10, and referring to fig. 1, the electrocardio acquisition units comprise an electric shielding layer 1, a connecting buckle 2, non-woven fabrics 3, a connecting buckle 4, a solid glue ring 5 (a fixed connecting buckle 4), anisotropic conductive gel 6, a gel adhesive film 7 and an anti-sticking film 8. Wherein, the electric shielding layer is a latticed anti-static metal coating with the density of 50 meshes to 250 meshes. The back of the electrocardiosignal acquisition unit is provided with the electric shielding layer, so that static electricity generated by friction between the body and the clothes of a user in the electrocardiosignal detection process can be shielded; by adding the anisotropic conductive gel on the side of the patch electrode contacting the skin and matching with the main electrode Ag/AgCl, the anisotropic conductive gel has low resistivity in a specific vertical direction, has high acquisition efficiency only for electric signals in the direction of vertical depth, reduces the acquisition rate of the electric signals in other directions by more than 70 percent, and can shield the noise electric signals in other directions, thereby greatly improving the sampling precision and accuracy.

The electrocardio acquisition unit also comprises an electrode RA, an electrode LA, an electrode RL, an electrode LL and an electrode V (optional), wherein the electrodes are integrally formed through a circuit board and a lead wire. All the electrodes can output 12 leads at most according to the combination, namely 6 groups of limb leads and 6 groups of chest leads. Wherein, the length of the lead of the chest lead can be adjusted according to the requirement, and the position of the paster can be placed according to the requirement.

The electrocardio acquisition unit in this embodiment adopts the design of expansibility circuit, and the structure is dressed in the cooperation, and more signal structure pin ports are reserved to inside main control unit MCU, can expand the 3 channels of present basic form, and 5 channels and sampling sensor form are more channels and the form of leading.

Further, the main control module includes: the system comprises an analog-to-digital converter, a main control board and a wireless data transmission module.

Continuing with fig. 2, the system may further include a signal filtering unit and a three-axis acceleration sensor. The signal filtering unit is used for filtering electrocardiosignals, and the three-axis acceleration sensor is used for detecting the operation information of a user in the detection process and feeding the operation information back to the main control unit so that the main control unit can improve the accuracy of electrocardiosignal processing.

The server in this embodiment may be a mobile phone, a computer, a tablet, or other terminal device, and the terminal device is also provided with a wireless data transmission module for receiving and sending data.

The embodiment is further provided with an antenna, the antenna can have 2 setting modes, and as an optional implementation mode, the antenna can be internally provided with: the built-in antenna and the wireless transceiver module are welded and then embedded into the equipment, so that the overall appearance volume is small, and the coverage and receiving range of the device is influenced to a certain extent.

The antenna can also be externally arranged: the external antenna is connected with the wireless transceiving module through the metal probe or the signal extension line and is not directly welded on the equipment. The signal gain of the external antenna is high, and the coverage area is obviously improved.

The electrocardio monitoring system that this embodiment provided can adopt the paster mode, or two kinds of wearing designs of strip braces structure.

Wherein, adopt whole paster mode, the paster itself collects the end with the sensor, electric lead in the middle of to and lead the port integration to an organic whole with the grafting of host computer. The required area of applying of paster cooperation integration equipment is done a special-shaped pad pasting on the health, and the host computer, the collection end sensor, the wire that leads in the middle all pastes on user's health, cooperation size, whole opposite sex paster have different size designs. The patch form adopts an independent active patch consumable, the consumable adopts non-woven fabric as a base material, the back surface of the consumable is matched with a foamed polyurethane toughening coating, and the bottom surface of the consumable is adhered to the skin through gel; the consumable is also provided with a disposable subminiature battery, and the consumable also carries a plurality of sensor heads.

The strip-shaped shoulder strap structure is used for a user to wear on the body in advance, and the testing equipment is connected to the shoulder strap in a buckling mode, so that the main machine, the sensor and the middle lead wire can be hung on the body of the user by assistance of lifting. Furthermore, it is only necessary to add a small area patch for fixation to the corresponding sensor position to fix the sensor position, as shown in FIG. 3. Thus, discomfort of a large area of the adhesive patch during wearing is reduced. The strip-shaped strap structure can adopt a simple strap type wearing form, and the middle detection part is linked through the flexible keyhole structure at a specific position, so that the strap is convenient to wear. The keyhole design can be easily attached, as in fig. 4, or detached, as in fig. 5. The middle detection part is in a tree-like extending organic silicon rubber coating integrated form. Each branch path of the form is coated with a lead wire, and the middle end of each branch path is provided with an electric connector in a buckling form. The consumable sensor patch head which can be replaced is allowed, and the base structure of the sensor head is the same as the form described in the electrocardio acquisition patch. In addition, the middle end of the trunk of the organic silicon branch circuit is provided with a bus connecting clamping groove which can be communicated with a working host. The working host machine receives central-end electrocardiosignals of each sensor collected by the organic branch circuit bus through the extension and plug structure, carries out internal processing, and externally puts processed signals to relevant peripheral equipment authorized to receive signals, such as a mobile phone, a server, a Pad and the like, through a Bluetooth generator module arranged in the host machine. In the branch road trunk of organosilicon, still bury the abduction antenna, help improving bluetooth signal propagation efficiency.

When adopting the wearing formula design, this system still includes ties up the accessory, should tie up and tie up the accessory and include silica gel shell and tie up the area, wrap up host computer, battery case etc.. The wearable design can enable the patient to freely realize high-precision electrocardiographic remote sensing monitoring under the condition that the movement is not constrained.

This embodiment provides technical scheme, adopts high integrated level medical sensor (electrocardio acquisition unit promptly), BLE bluetooth and Wi-Fi wireless transmission module and the control unit constitutes main part framework scheme, and dynamic electrocardio monitoring system passes through the bluetooth +4G 5G signal with data real-time transmission to cell-phone APP or computer client. And a low-power consumption wireless transmission module is adopted, so that 72-hour continuous monitoring can be realized. In addition, the host in this implementation can preferably select the single lead design based on V1, V2, and simultaneously can be upgraded and expanded to acquire multichannel ADC electrocardiosignals, and derivation is performed for multi-group lead electrocardiogram diagnostic analysis, including but not limited to: I. III, aVR and V1-V6, more lead signal analysis is provided, and the professional medical detection effect is realized to the greatest extent.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A wearable electrocardiogram monitoring system, comprising: the electrocardiosignal acquisition unit comprises a main control module, a power supply module and a plurality of electrocardiosignal acquisition units;

the plurality of electrocardio acquisition units are fixed at the corresponding detection positions of the human body through electrocardio monitoring patches, are connected to the main control module through lead wires and are used for transmitting acquired electrocardio signals to the main control module;

2. The system of claim 1, wherein the electrical shielding layer is a grid-like metallization.

3. The system of claim 1, wherein an anisotropic conductive gel is added to the side of the ecg collection unit that contacts the skin.

4. The system of claim 1, wherein the master control module has a plurality of signal fabric pin ports disposed thereon.

5. The system of claim 1, wherein the master module comprises: the system comprises an analog-to-digital converter, a main control board and a wireless data transmission module;

6. The system of claim 5, further comprising an antenna coupled to the wireless data transfer module.

7. The system of claim 6, wherein the antenna is connected with the wireless data transmission module by welding or by means of a metal probe or a signal extension wire.

8. The system of claim 1, further comprising a tie-up fitting comprising a silicone shell tie-up strap.

9. The system according to claims 1-8, wherein the system is worn by means of a patch or a strap structure.

10. The system of any one of claims 1-3, wherein the cardiac electrical acquisition unit further comprises: connecting buckles, non-woven fabrics, solid rubber rings, gel adhesive membranes and anti-sticking films.