The Design of a Cuff Electrode for Long Term Neural Signal Recordingwith Selective Recording Capability to Rehabilitate People with NerveDamage


Authors : Behnam Jabbari kalkhoran; Haniyeh Jamshidi; Aysan Panahzadeh

Volume/Issue : Volume 7 - 2022, Issue 8 - August

Google Scholar : https://bit.ly/3IIfn9N

Scribd : https://bit.ly/3f2sKIQ

DOI : https://doi.org/10.5281/zenodo.7088994

This research includes solutions or strategies for recording neural signals at a single pointselectively, involving electrical and biomedical issues in relation to the nature and electrical characteristics of the nerve at the point of signal recording and neural channels. During this process, by studying the field of operation of nerve strands and their electrical behavior ofthem, the identity of each signal be recorded by so-called cuff electrodes as selectively as possible. The goal of current research is to provide a practical solution using scientifically targeted research based on world-class scientific methods for the rehabilitation of people with neurological disorders, people with disabilities and helping them to regain their abilities and return to life as soon as possible with the help of medical and electronics science. In this research, we tried to design a kind of cuff electrode that has a higher sensitivity, better signal detection capability, and better overall performance than previous ones. In this study, nerve environments were simulated in the Comsol Multiphysics -5.2a and the available simulation data for the design of the cuff electrode and the type of the arrangement of the contacts and their placement were applied, and then the signal analysis process and the recorded signal differences in case of Flow and electric flux were investigated and finally the results of the approach were obtained. Based on the data provided by the simulations and medical studies, it was concluded that the electrical behavior of the nerve is completely different from the simple conductors and the electrical current of the nerve is not linear, is completely variable and nonlinear, and follows the Fitzhugh-Nagumo model under specific parameters. Then, by understanding the above subject and forming the above relationship in the ComSol software under specific parameters that are specifically discussed in the thesis, the flow was constructed like the actual flow of the nerve in the simulation environment, and then, the type of arrangement and the material of the contacts for recording were analyzed The precise current flow was examined and the proposed model of the thesis was formed

Keywords : Neural cuff electrode, Neural Problems, Neural impulse, Peripheral nerve, Nerve rehabilitation, Selective recording.

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