Transcranial direct current stimulation and near infrared detection all-in-one device

Abstract

The invention discloses a transcranial direct current stimulation and near infrared detection all-in-one device which comprises a near infrared brain function optical imaging system and a transcranial direct current stimulation system, wherein the near infrared brain function optical imaging system comprises a micro processor, an analog-digital converter, a first digital-analog converter, a gain programmable operational amplifier, a filtering circuit, a near infrared emission probe constant-current driving circuit, a double-waveband near infrared emission probe, a near infrared light intensity sensor probe and a liquid crystal touch screen; the transcranial direct current stimulation system comprises a micro processor, a tDCS (transcranial direct current stimulation) electrode, a current limiting device, a tDCS constant-current driving circuit, a second digital-analog converter and an upper computer; a silica gel disk is used for arranging the double-waveband near infrared emission probe, an annular electrical stimulation electrode and the near infrared light intensity sensor probe. The transcranial direct current stimulation and near infrared detection all-in-one device enhances the simulation treating effect of transcranial direct current stimulation and supplies a new method and a practical tool to scientific researches, detection and treatment of neuroscience.

Description

technical field [0001] The invention relates to the acquisition and processing technology of bioelectrical signals in the field of biomedical engineering, in particular to an integrated device for transcranial direct current stimulation and near-infrared detection. Background technique [0002] Transcranial direct current stimulation (tDCS) technology and near-infrared brain functional optical imaging (Functional near infrared spectroscopy, fNIRS) technology are gradually becoming mature and applied in scientific research and clinical treatment. tDCS is mainly used for the regulation of brain function, and fNIRS is used for the state monitoring of brain function. Real-time monitoring of brain function regulation is of great value for clinical applications. At present, two independent devices must be used to stimulate and detect brain function regulation. Moreover, these two devices have their own front ends, and there is also the problem that it is difficult to overlap the...

AI Technical Summary

Problems solved by technology

The Chinese patent application number is: 201210042918.3, and the name is: transcranial direct current stimulator, which is designed to stimulate the positive electrode in the center of the rubber pad and the negative electrode around the positive electrode. This design may cause most of the current to flow through the scalp and other surface tissues. Negative electrode resulting in shallow stimulation area

The Chinese patent application number is: 200880105399.2, the name is: transcranial electrical stimulation device, using needle-shaped electrodes, the current density of the local scalp is too high, it is easy to cause skin burns, and it will cause discomfort to the subjects

The Chinese patent application number is: 201210118753.3, the name is: a high-focus multi-channel transcranial direct current stimulation device and control method, the Chinese patent application number is: 200910140839.4, the name is: biofeedback stimulation system and biofeedback stimulation method, the above two The technical solutions provide different devices or methods for transcranial direct current stimulation, all of which are separate stimulation devices or methods, not combined with the detection method

[0004] After searching the existing literature, it is also found that the Chinese patent application number is: 200510055893.0, the name is: near-infrared spectrum brain function imaging helmet, and the Chinese patent application number is: 200510086672.X, and the name is: auditory stimulation near-infrared spectroscopy. Depth of anesthesia Monitoring device, the above two technical solutions respectively provide devices or methods for near-infrared brain function imaging, which are independent detection devices or methods, not combined with stimulation methods

Images