Wearable Transcranial Ultrasound Nerve Stimulation and Electrophysiological Recording Combination System and Method

A nerve stimulation and joint system technology, applied in the field of ultrasonic nerve stimulation research, can solve problems such as lack of joint systems, achieve accurate control, simple operation, and solve spatial position conflicts

Active Publication Date: 2018-12-07
XI AN JIAOTONG UNIV
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Problems solved by technology

[0006] In summary, the existing methods for recording brain electrophysiological signals during transcranial ultrasound nerve stimulation have obvious limitations in terms of experimental equipment, target brain regions, research objects and research content, and lack a complete joint system

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  • Wearable Transcranial Ultrasound Nerve Stimulation and Electrophysiological Recording Combination System and Method

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Embodiment Construction

[0036] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, and the present invention is not limited to the following embodiments.

[0037] like figure 1As shown, a wearable transcranial ultrasound nerve stimulation and electrophysiological recording combined system of the present invention consists of six parts, which are computer control and data processing unit 101, digital-to-analog / analog-to-digital conversion unit 102, power amplifier 103, and The ultrasound transducer 104 , the electrode assembly 105 and the signal amplification unit 106 are worn.

[0038] The D / A / AD conversion unit 102 has two functions. The first one is used to receive the control instruction issued by the computer control and data processing unit 101, generate the nerve stimulation ultrasound emission waveform according to the control instruction, and transmit the waveform to the power amplification unit. The second is to rece...

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Abstract

The invention relates to a wearable transcranial ultrasound nerve stimulation and electrophysiological recording combined system and method. The combined system comprises a computer control and data processing unit, a digital-to-analog / analog-to-digital conversion unit, a power amplifier, a wearable ultrasound transducer and an electrode assembly and a signal amplification unit. A signal instruction is sent out through the computer control and data processing unit; after the digital-to-analog / analog-to-digital conversion unit receives the instruction, a corresponding waveform is generated; the power amplifier amplifies the signal into a high-voltage signal; the ultrasound transducer is driven to emit ultrasound waves; and the goal of nerve stimulation is achieved. The electrophysiological signal recorded by the electrode assembly is amplified by the signal amplifier, and is then transmitted to the digital-to-analog / analog-to-digital conversion unit to be converted into a digital signal; through the control by a computer, the digital signal is received by the data processing unit; and the data processing and the display are performed. The goal of completing complicated ultrasound stimulation and electrophysiological signal synchronous recording by one set of system is well achieved; and the technical support is provided for brain scientific research.

Description

【Technical field】 [0001] The invention relates to the technical field of ultrasonic nerve stimulation research, in particular to a wearable transcranial ultrasonic nerve stimulation and electrophysiological recording combined system and method. 【Background technique】 [0002] In recent years, as brain science research has gradually been valued by various countries, ultrasonic nerve stimulation has once again become a research hotspot due to its advantages of safety and non-invasiveness, large stimulation range and high precision. Although studies have shown that ultrasound can be used as a means of nerve stimulation as early as 1929, so far, ultrasound nerve stimulation is still in the early stages of development. Compared with other well-developed neurostimulation methods, the matching system for ultrasonic neurostimulation research is not perfect enough. Neuroscience research is inseparable from the recording of electrophysiological signals. The recording of brain electro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/0476A61B5/00A61N7/00
CPCA61B5/6846A61B5/6864A61B5/6868A61B5/7203A61B5/7225A61B2503/40A61B2503/42A61N7/00A61N2007/0026A61B5/369
Inventor 张思远崔智炜徐冉翔尚少强李大鹏徐田奇李延海万明习
Owner XI AN JIAOTONG UNIV
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