Portable closed-loop deep brain stimulator system with intelligent adaptive function

Abstract

The invention belongs to the field of medical clinical technology, in particular to a portable closed-loop deep brain stimulator system with an intelligent self-adaptive function. The system of the present invention has 16 channels of data acquisition and 4 channels of stimulation. Among the acquisition channels, 4 channels are used for intracranial LFPs acquisition, and 12 channels are used for extracranial signal acquisition; the output voltage of the stimulation channel is an arbitrary waveform that can be modulated. Applying stimulation while recording can effectively reduce the influence of stimulation artifacts on recording signals and stabilize the driving voltage. The system circuit mainly includes MCU main control circuit, LFPs acquisition channel and external acquisition channel switch circuit, low-amplitude voltage isolation input circuit, low-pass filter, high-pass filter and power frequency filter, A / D conversion acquisition circuit, WIFI communication, four-channel output D / A circuit, voltage isolation output drive circuit, current detection protection circuit, SD storage, etc. The system circuit of the invention has the advantages of compact structure, extremely low power consumption and stable operation, and the instrument is only the size of a palm and is convenient to carry.

Description

technical field [0001] The invention belongs to the field of medical clinical technology, and in particular relates to a portable closed-loop deep brain stimulator system (IDBS) with an intelligent self-adaptive function. Background technique [0002] In recent years, deep brain stimulation therapy has become more and more widely used clinically, and it has become a treatment for Parkinson's disease, dystonia, epilepsy, tremor and other diseases, as well as pain and some mental diseases. Due to the advantages of non-destructive, micro-injury, recoverable and adjustable, deep brain stimulators have become the first choice for surgical treatment of PD diseases. [0003] Closed-loop deep brain stimulation treatment methods have received extensive attention and clinical research in the medical field. At present, compared with other treatment methods, such as drug therapy, deep brain stimulation devices have obvious advantages, such as less damage to cell tissue and fewer complic...

AI Technical Summary

Problems solved by technology

[0005] Traditional deep brain stimulators are implantable, that is, implanted in the body like electrodes, which brings great inconvenience to patients, and problems of replacement and repeated operations will occur, which also brings more possibilities risks of

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