neurostimulator

noun
neu·​ro·​stim·​u·​la·​tor | \ ˌn(y)u̇r-ō-ˈstim-yə-ˌlāt-ər How to pronounce neurostimulator (audio) \

Medical Definition of neurostimulator

: a device that provides electrical stimulation to nerves (as to relieve intractable pain or to suppress tremors)