It wasn’t until mid-2010 that devices became available to help with stimulating the dorsal root ganglion (DRG). Dorsal root ganglion stimulation therapy is used to treat chronic pain. It is especially effective for treating areas that are hard to reach with traditional spinal cord stimulation.
The DRG is a bundle of sensory nerve cell bodies within the epidural space. The International Neuromodulation Society describes it as “each nerve root communicates to the dorsal root ganglion in a way that allows sensory messages from a defined area of the body. Therefore, applying stimulation to the DRG can permit focused therapy to a specific focal area. ”
A non-rechargeable pulse generator is implanted in a pocket either in the upper buttock/low back or, with an extension, into the abdominal wall. The generator is designed to give stimulation based on the patient’s pattern of pain.
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