Rx Only. The RNS System is an adjunctive therapy for adults with refractory, partial onset seizures with no more than 2 epileptogenic foci. See important prescribing and safety information in the RNS System labeling. Refer to the labeling for a description of the RNS System and its components, indications for use, contraindications, warnings, cautions, adverse events and instructions for use. The manuals are available at https://www.NeuroPace.com.