These innovative 2-Column Paddle Leads are able to provide unidirectional stimulation which gives enhanced precision in energy delivery and a greater system longevity. The St Jude Medical Lamitrode 44 and 88 paddle leads have insulation on three sides. In order to help facilitate midline placement and stability, the superior 2-Column Paddle Leads have been anatomically curved in their design. The 2-Column Paddle Leads can be configured with other paddle leads in order to facilitate the management of more complex pain patterns. Narrow leads are available to be used for smaller anatomy at various vertebral levels.