Vagus Nerve Stimulation

Vagus nerve stimulation (VNS) is a type of surgery that may be tried when seizures cannot be controlled by other methods. The treatment works by sending small bursts of electric energy to the vagus nerve, a large nerve that leads directly into the brain.

The energy comes from a small disk-like generator, about the size of a stopwatch. It is put under the skin of the chest. The generator is connected to wires under the skin that are wrapped around the vagus nerve.

There is currently only one VNS distributer in the United States called Cyberonics.

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