Manufacturer: g.tec
Made in: Austria
Introduction:
Brain surgery is a therapeutic option for many patients with intractable seizure disorders and brain tumors. The goals of surgery are twofold : on the one hand the epileptogenic tissue or tumor has to be removed, but on the other hand essential brain regions like primary motor and sensory cortex as well as brain areas supporting language and memory functions have to be spared to avoid neurological deficits caused by the operation. The decision to perform surgery and what brain region to resect is based on several considerations including the clinical examination, history, MRI, noninvasive video EEG monitoring, neuropsychological testing, metabolic imaging studies (PET, SPECT), functional MRI and Magnetoencephalography(MEG). If the above tests are not sufficient for reaching a decision, then an additional diagnostic procedure; invasive monitoring with implanted electrodes ; is performed. cortiQ allows rapid functional mapping of the cortex using the electrocorticogram (ECoG). It provides physicians with real-time results during presurgical evaluation for epilepsy or other conditions. cortiQ allows users to position the used electrode grids (selected from the cortiQ grid library) over a schematic brain map. For different tasks performed by the patient (e.g. using the Ritaccio paradigm), high gamma activity is indicated in form of red circles for all electrodes. A big red circle shows that the corresponding electrode is placed over a brain area which is highly active in the performed task.
cortiQ is delivered as complete system, which includes:
- Biosignal amplifier – high quality biosignal amplifier with 24 Bit and up to 256 channels
- Real-time processing system – high performance real-time control unit to manage all devices in real-time, to analyze the signals and to visualize and store data • Mapping system – high performance source localization and mapping system to identify brain regions
- Mapping system – high performance source localization and mapping system to identify brain regions
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