A major breakthrough in implantable brain-computer interface (BCI) know-how has been achieved by Chinese language researchers. The Nationwide Key Laboratory of Sensor Know-how on the Aerospace Data Analysis Institute, in collaboration with the Neurosurgery Division of the First Affiliated Hospital of Harbin Medical College, efficiently accomplished a medical trial on “Exact Localization of Deep Mind Tumor Boundaries Primarily based on Implantable Microelectrode Arrays.” Using independently developed implantable microelectrode gadgets, the analysis workforce efficiently achieved exact localization and full resection of mind tumors. This marks the primary reported medical software of this know-how worldwide.
The core innovation lies within the implantable microelectrode gadget, which acts as a “mind navigator” for surgeons, providing a spatial decision of 15 micrometers. To place this into perspective, if the mind have been a metropolis spanning 200 kilometers, this know-how may pinpoint “each grain of sand,” guiding docs to the precise location of the lesion.
On the coronary heart of this “ultra-clear mind map” is a neural electrode fabricated utilizing chip lithography know-how. By implanting this electrode and connecting it to a BCI system, researchers can purchase and analyze real-time sign traits from totally different mind areas.
In contrast to conventional neural electrodes, that are restricted to detecting cortical mind tumors, this technique permits full-brain probing, protecting the cortex, superficial, and deep mind areas. It not solely captures neural electrical indicators but additionally concurrently detects chemical neurotransmitter indicators, offering complete lesion info.
Widespread mind tumors, akin to gliomas and metastatic mind tumors, are characterised by excessive incidence, mortality, and recurrence charges. The vague boundaries between tumor tissue and regular mind tissue make surgical resection extraordinarily difficult. Precisely figuring out tumor margins is vital to bettering resection charges and affected person outcomes.
On this medical trial, a glioma affected person with language dysfunction brought on by tumor compression underwent therapy utilizing this know-how. The workforce precisely recognized the tumor’s extent, enabling full resection whereas preserving vital mind features, thus laying a strong basis for the affected person’s restoration.
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