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Anti-interference electrocardiograph detection system, detection method, special flexible graphene electrode, and preparation method and application of special flexible graphene electrode

A flexible graphite, electrical detection technology, applied in applications, diagnostic recording/measurement, medical science, etc., can solve the problems of poor biocompatibility of wearable flexible electrodes, complex interference suppression systems, poor comfort and air permeability, etc. The alkene base material is soft, improves the electrode contact, and has a good frequency response.

Active Publication Date: 2017-08-18
HEBEI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] One of the purposes of the present invention is to provide an anti-interference ECG detection system to solve the problems that the existing portable acquisition terminal ECG detection is easily disturbed by motion artifacts, the ECG signal drifts seriously, and the interference suppression system is complicated and difficult to implement.
[0008] The third object of the present invention is to provide a special flexible graphene electrode for an anti-interference ECG detection system to solve the problem of the need for multiple types of sensors to collect different types of signals, and the poor biocompatibility, comfort and safety of existing wearable flexible electrodes. Poor air permeability, short service life and other issues

Method used

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  • Anti-interference electrocardiograph detection system, detection method, special flexible graphene electrode, and preparation method and application of special flexible graphene electrode
  • Anti-interference electrocardiograph detection system, detection method, special flexible graphene electrode, and preparation method and application of special flexible graphene electrode
  • Anti-interference electrocardiograph detection system, detection method, special flexible graphene electrode, and preparation method and application of special flexible graphene electrode

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Embodiment 1

[0065] Prepare a graphene oxide aqueous solution with a concentration of 5 mg / ml, install the Buchner funnel on the suction filter bottle, and then put the graphene oxide solution with a thickness of 5 mm, a circular shape, a diameter of 20 mm, and a density of 25 kg / m 3 Cover the bottom of the Buchner funnel with a flexible sponge, turn on the vacuum pump for suction filtration, and keep the negative pressure in the Buchner funnel at 2.0×10 4 Pa, then slowly pour the graphene oxide aqueous solution with a concentration of 5 mg / ml on the flexible sponge until the suction filtration is completed. The shape of the flexible sponge can also be set to a circle, an oval, a polygon or other beautiful patterns. The flexible sponge adsorbed by graphene oxide was placed in a vacuum oven and dried at 50 °C for 3 h to obtain a graphene oxide-flexible sponge composite. The graphene oxide-flexible sponge composite was impregnated in 0.17mol / L NaBH 4 in aqueous solution, stirred slowly at...

Embodiment 2

[0070] Figure 4 A schematic structural view of the flexible graphene electrode 1 is shown, including a first buckle 11 , a graphene-flexible sponge conductive composite 12 and a second buckle 13 . The first buckle 11 is made of insulating material polyvinyl chloride, the second buckle 13 is made of metal material copper, and the first buckle 11 passes through the graphene-flexible sponge conductive compound 12 . And cooperate with the second buckle 13 to jointly fix the graphene-flexible sponge conductive compound 12 to the elastic tights (such as Figure 5 shown) or a chest strap (as Figure 6 As shown), the flexible graphene electrode 1 is in good contact with the surface skin of the human body. In addition, the second buckle 13 can be connected with a common electrode lead wire, which facilitates the replacement of the flexible graphene electrode. The ECG lead wire 2 adopts a buckle-type lead wire to facilitate the connection and separation with the flexible graphene el...

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Abstract

The invention provides an anti-interference electrocardiograph detection system, a detection method, a special flexible graphene electrode, and a preparation method and the application of the special flexible graphene electrode. The anti-interference electrocardiograph detection system comprises the flexible graphene electrode, an electrocardiosignal acquiring and processing module, an impedance measurement module, an electrocardiographic wire and a signal processing module, can measure an electrocardiosignal and a motion artifact signal, and removes the motion artifact in the electrocardiosignal. The flexible graphene electrode is formed in a way that a graphene material is adhered on a sponge layer through negative pressure deposition to obtain a graphene-sponge conductive composite, a fastener is additionally added on the graphene-sponge conductive composite, and the electrocardiographic wire is fixedly connected to the graphene-sponge conductive composite through the fastener. The anti-interference electrocardiograph detection system and the detection method effectively overcome the interference of the motion artifact on the electrocardiosignal, and guarantees the instantaneity, the accuracy and the reliability of the electrocardiographic examination result; the preparation flow of the flexible graphene electrode is simple, the biological compatibility of the flexible graphene electrode is good, the service life of the flexible graphene electrode is long, and the flexible graphene electrode can be used in the anti-interference electrocardiograph detection system.

Description

technical field [0001] The invention relates to a personal health monitoring and medical electronic equipment, in particular to an anti-interference electrocardiogram detection system, a detection method, a special flexible graphene electrode and its preparation method and application. Background technique [0002] The ECG signal directly reflects the working state of the heart. Abnormal ECG signals appear randomly, the time is not fixed, and the duration is relatively short. Existing clinical electrocardiographs only last for a few minutes each time, and the amount of information is very limited, making it difficult to effectively capture abnormal ECG signals. The dynamic electrocardiogram can continuously record the heart condition and is an important basis for discovering abnormal heart activity. In daily life, using wearable ECG monitoring equipment, without hindering daily work and life, the wearer can detect ECG signals anytime and anywhere at home, work and outdoor t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/0402A61B5/0408A61B5/053
CPCA61B5/053A61B5/6804A61B5/6823A61B5/6831A61B5/72A61B5/7203A61B5/7207A61B2562/125A61B5/25A61B5/318
Inventor 娄存广刘秀玲王硕闰明涛梁铁熊鹏刘明王洪瑞
Owner HEBEI UNIVERSITY
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