Patent ID: 11878170
Assignee: CORSTIM
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 15:
16. A method for electrical brain stimulation comprising the steps of:
providing a plurality of electrodes;
generating electrical activity in a cortex of a person by using the plurality of electrodes, the cortex having pre identified crucial neural nodes associated with a selected brain function and including healthy cortical tissue and damaged and/or partially damaged cortical tissue, wherein the damaged cortical tissue includes damaged neural cells and the partially damaged cortical tissue includes partially damaged neural cells,
the healthy, the damaged and/or partially damaged cortical tissue each having at least one parameter of cortical waves, wherein a value of the at least one parameter of the damaged and/or partially damaged cortical tissue is different from a value of the at least one parameter of the healthy cortical tissue, the at least one parameter being one of cortical wave propagation speed, amplitude and frequency;
emitting by the plurality of electrodes a stimulation electrical signals into the cortex and measuring electrical cortical waves;
emitting by the plurality of electrodes stimulation electrical signals in at least part of the healthy cortical tissue and the damaged and/or partially damaged cortical tissue, wherein at least some of the plurality of electrodes are positioned at areas corresponding to the pre-identified crucial neural nodes;
evaluating the at least one parameter of cortical waves between at least a first electrode and at least a second electrode corresponding respectively to a first pre-identified crucial neural node and a second pre-identified crucial neural node in the cortex based on the electrical cortical waves measured by the first electrode and second electrode between the first pre-identified crucial neural node and the second pre-identified crucial neural node, the first pre-identified crucial neural node and second pre-identified crucial neural node being situated such that a rectilinear line joining the first pre-identified crucial neural node and the second pre-identified crucial neural node crosses the damaged and/or partially damaged cortical tissue;
computing in real time, stimulation signals required to maintain the at least one parameter of cortical waves in a predetermined range between the first electrode and the second electrode and applying the computed stimulation signals to the plurality of electrodes.