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NeuroPace’s RNS For Epilepsy Becomes First FDA-Approved Responsive Neurostimulator

While standard neurostimulators are open-loop systems that stimulate continuously or intermittently according to preprogramming, RNS is a more targeted, closed-loop system that monitors brain activity in real time and provides electrical stimulation to interrupt troubling patterns that might cause a seizure.

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 system that monitors brain patterns in real time and provides

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