Liberation Treatment for CCSVI is a recent medical advance for the treatment of multiple sclerosis.Chronic cerebrospinal venous insufficiency (CCSVI) is a condition often found in people with multiple sclerosis.With CCSVI, narrowing of the veins results in poor drainage of deoxygenated blood from the brain to the heart. Liberation Treatment for CCSVI uses balloon dilation to open up obstructed veins or insertion of stent into veins to help keep them open.