Patent ID: 8897882

Claim:
An electrode for continuously stimulating a facial nerve root, which electrically stimulates the facial nerve root that is a root of a facial nerve extending from a facial nucleus in a brainstem, in order to monitor electromyograms of contraction responses of an orbicularis oculi muscle and an orbicularis oris muscle which are regulated by the facial nerve, the electrode for continuously stimulating the facial nerve root comprising: an electrode unit configured to receive currents electrically stimulating the facial nerve root, the electrode unit consisting of a single electrode; a contact unit electrically connected to the electrode unit and configured to contact the facial nerve root; a guard unit configured to cover the electrode unit and expose the contact unit, wherein the guard unit is formed in a conical shape; an extension unit formed in a washer shape and configured to extend From a periphery of the guard unit; a handle configured to be a bar shaped unit provided on a top of the guard unit and Configured to facilitate the electrode to be inserted and held; and a wire unit, wherein the extension unit is configured to be held by being clamped between the facial nerve root coming out of the brainstem and an anterior inferior cerebellar artery crossing the facial nerve root, and the contact unit is configured to be fixed to the facial nerve root.