Preparation method of electrode of transcranial electric stimulator

Abstract

The invention provides a preparation method of an electrode of a transcranial electric stimulator and particularly relates to the field of medical apparatus and instruments. The preparation method comprises steps as follows: S1, electroplating 0.1-1 micrometer of platinum on the surface of an electrode substrate, and then washing and drying the electrode substrate; S2, sputtering 1-3 mm of a titanium layer on the electrode substrate by a sputtering instrument; sputtering and plating a copper oxide layer with thickness of 0.1-1 micrometer on the titanium layer; S3, uniformly dispersing silver nanowires in ethanol to obtain a silver nanowire dispersion solution; and then dropwise adding the silver nanowire dispersion solution to a hydrophilic substrate, and performing heating at 60-100 DEG Cfor 20-30 min to obtain a silver nanowire network structure; and S4, placing the electrode substrate on the silver nanowire network structure, sending the structure into a sintering furnace, introducing protecting nitrogen at 150-200 DEG C, performing sintering for 30-50 min, taking out the structure, and naturally cooling the structure to obtain a product. The electrode produced with the methodhas long service life and high accuracy.

Description

technical field [0001] The invention belongs to the field of medical devices, and in particular relates to a preparation method of an electrode of a transcranial electrical stimulator. Background technique [0002] Transcranial electrical stimulator is a safe stimulation method with almost no adverse reactions. It is being used more and more in clinical and scientific research, and has been gradually recognized by researchers and teams around the world; Input currents to specific regions, and intracranial currents increase or decrease the excitability of neuronal cells (depending on the polarity of the input current), and this increase or decrease in excitability can cause changes in brain function, which can be used to To treat diseases or study the function of the brain; the electrodes are the main components of the transcranial electrical stimulator test, and the electrodes of the cranial electrical stimulator have high requirements on the accuracy. [0003] The patent w...

AI Technical Summary

Problems solved by technology

[0002] Transcranial electrical stimulator is a safe and almost no adverse reaction stimulation method, which is increasingly used in clinical and scientific research, and has gradually been recognized by researchers and teams around the world; Specific area input current, and intracranial current will increase or decrease the excitability of neuron cells (depending on the polarity of the input current), and the increase or decrease of this excitability can cause changes in brain function, which can be used to Treat diseases or study brain functions; electrodes are the main components of transcranial electrical stimulator testing, and the accuracy of the electrodes of cranial electrical stimulators is high. In order to meet the needs of testing accuracy, the existing electrode production process still needs to be further improved

[0003] The patent application number is 201721562868.6, which discloses a transcranial electrotherapy instrument. The upper end of the stimulator is connected to the electrode line plug through the electrode line knob buckle, and the electrode line plug is connected to one end of the electrode line splitter through the electrode line, and the electrode line splitter The other end is connected with electrode line 1 and electrode line 2, and electrode line 1 and electrode line 2 are respectively connected with electrode sheet 1 and electrode sheet 2. There is a charging base under the stimulator, and a display screen is provided at the front of the stimulator. There are silicone buttons; the electrode accuracy and practical life of this patent still need to be improved;