Transcranial ultrasonic stimulation device and stimulation method

A stimulation device and ultrasound technology, applied in the field of transcranial ultrasound stimulation for nerve modulation, transcranial ultrasound stimulation device, can solve the problems of large volume, lack of stimulation positioning and ultrasound intensity self-test, inconvenient use, etc.

Inactive Publication Date: 2015-04-29
UNIV OF SHANGHAI FOR SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There are certain defects in the three traditional methods
However, most of the transcranial ultrasonic stimulation generating devices in the prior art are spliced ​​by multiple devices, which are not only bulky and inconvenient to use, but also do not have the functions of stimulation positioning and self-checking of ultrasonic intensity.

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  • Transcranial ultrasonic stimulation device and stimulation method
  • Transcranial ultrasonic stimulation device and stimulation method

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Embodiment Construction

[0033] The specific implementation manners of the present invention will be described below in conjunction with the accompanying drawings.

[0034] figure 1 It is a schematic structural diagram of the transcranial ultrasonic stimulation device in this embodiment.

[0035] Such as figure 1 As shown, the transcranial nerve stimulation device 100 includes a host computer unit 1, an ultrasonic pulse transmitting unit 2, an ultrasonic transducer unit 3, a voltage limiting circuit 4, an echo receiving and amplifying circuit 5, an oscilloscope 6, a power supply circuit 7 and a synchronous detector 8 . Wherein, the ultrasonic pulse transmitting unit 2, the voltage limiting circuit 4, the echo receiving amplifying circuit 5 and the power supply circuit 7 are located inside the case, and other components are located outside the case. The ultrasonic pulse transmitting unit 2 includes a programmable pulse generating component 21 , an ultrasonic pulse transmitting circuit 22 and an isol...

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Abstract

The invention provides a transcranial ultrasonic stimulation device and a stimulation method for carrying out nervous tissue orientation and neuromodulation through transcranial ultrasonic stimulation. The transcranial ultrasonic stimulation device comprises an upper computer unit, an ultrasonic pulse transmission unit, an ultrasonic transduction unit and a power circuit. The transcranial ultrasonic stimulation device adopts the integrated circuit mode and further comprises an echo amplification circuit. The focal distance of the ultrasonic transduction unit is 30 mm. The ultrasonic pulse transmission voltage is adjusted by adjusting the power supply voltage, and therefore the transcranial ultrasonic stimulation device is small in size and high in spatial orientation resolution ratio and can achieve system self-inspection. Meanwhile, because the ultrasonic intensity can be adjusted, a low ultrasonic intensity can be selected for carrying out nervous tissue orientation and neuromodulation, a high ultrasonic intensity can be selected for carrying out tissue damage, and the positional information of the stimulation part can be verified.

Description

technical field [0001] The invention belongs to the technical field of nerve stimulation, and in particular relates to a transcranial ultrasonic stimulation device and a method for transcranial ultrasonic stimulation for nerve modulation. Background technique [0002] There are usually three methods of traditional transcranial nerve stimulation: body surface electrode method, which uses electrodes through the skin and bone tissue to input pulse current into brain tissue; microelectrode method, which is mainly used for neuromodulation in deep brain tissue; magnetic stimulation method, compared to The first two methods appeared later. This method refers to passing a high-frequency current in the coil to generate an alternating electromagnetic field, forming electromagnetic waves that enter the nerve tissue to play a role in nerve modulation. There are certain defects in the three traditional methods. The body surface electrode method can only stimulate superficial nerve tissu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N7/00
Inventor 胡胜男郑政
Owner UNIV OF SHANGHAI FOR SCI & TECH
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