FDA approved NeuroPace Inc.’s RNS neurostimulator system Nov. 14 for drug-refractory epilepsy. It is the first responsive neurostimulator device approved by the agency, intended to detect abnormal brain activity and normalize it before a patient experiences a seizure.
While standard neurostimulators are open-loop systems that stimulate continuously or intermittently according to preprogramming, RNS is a more targeted, closed-loop...