High-precision low-power-consumption multi-channel brain deep electroneurographic signal wireless collecting system

A wireless acquisition and deep brain technology, applied in the field of biomedical engineering, can solve the problems of untrustworthy, inconvenient to carry and move, and fail to meet the accuracy requirements after the AD conversion chip, achieving high integration, reducing R&D costs, high precision effect

Inactive Publication Date: 2014-09-03
XI AN JIAOTONG UNIV
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Problems solved by technology

Therefore, these disclosed EEG collection devices are not suitable for the collection of discharge signals of deep brain nuclei
In addition, the power consumption and volume of these products are very large, which is not easy to carry and...

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  • High-precision low-power-consumption multi-channel brain deep electroneurographic signal wireless collecting system
  • High-precision low-power-consumption multi-channel brain deep electroneurographic signal wireless collecting system

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Embodiment Construction

[0028] The present invention is described in detail below in conjunction with accompanying drawing.

[0029] Such as figure 1As shown, a high-precision, low-power multi-channel deep brain nerve electrical signal wireless acquisition system includes 8-channel deep brain nerve nucleus electrical signal acquisition electrodes, a multi-channel switch, and an AD acquisition module (built-in bioelectrical signal preprocessing signal ), data storage module, RF radio frequency wireless transmission module, liquid crystal module, button control module, two microprocessors MCU, USB interface circuit and host computer, analog multi-way switch selects any acquisition electrode, and discharges the deep nerve nuclei The collected analog signal is directly input to the AD acquisition module for preprocessing and A / D conversion. The converted data is stored in the data storage module through the MCU. After collecting the data for a certain period of time, the stored data is sent and Receive ...

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Abstract

A high-precision low-power-consumption multi-channel brain deep electroneurographic signal wireless collecting system comprises eight-channel brain deep cerebral nuclei electric signal collecting electrodes, any collecting electrode is selected freely by an analog multiway switch to collect brain deep cerebral nuclei electric signals, collected analog signals are directly input into an AD collecting module for preprocessing and A/D conversion, and converted data are stored in a data storage module through an MCU. After data are collected for certain time, the stored data are transmitted to the other MCU through a sending RF wireless transmission module and a receiving RF wireless transmission module, and then the data are transmitted into an upper computer to be displayed and further processed through an USB interface. The brain deep cerebral nuclei electric signals are collected, and an effective cerebral nuclei signal collecting tool is provided for exploring the therapeutic mechanism and action principle of a DBS, and the pathogenesis of the Parkinson's disease, an essential tremor and a series of neurological diseases.

Description

technical field [0001] The invention relates to the technical field of biomedical engineering, in particular to a high-precision, low-power consumption, multi-channel wireless deep brain electrical signal acquisition system. Background technique [0002] Deep Brain Stimulation (DBS) is an effective neuromodulation technology, mainly by implanting micro-brain electrodes in a specific area deep in the brain, and generating a stimulation sequence with certain parameters through a pulse generator embedded in the body. Altering local neuronal firing properties to alleviate and treat disease. DBS directly changes local brain activity in a controllable way, can effectively control symptoms for a long time without causing permanent damage, is a reversible treatment method, and is the only neurosurgical method that allows black-box research. At present, DBS is mainly used for the treatment of Parkinson's Disease (Parkinson's Disease, PD), chronic pain, essential tremor (Essential Tr...

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Application Information

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IPC IPC(8): A61B5/0476
Inventor 王珏赵宗亚张明明程帅旗郭宇
Owner XI AN JIAOTONG UNIV
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