A surgical system and method for treatment of a bone defect are provided. The system includes a bone tamp that includes an outer shaft defining a first lumen and a second lumen. A first expandable body is coupled to the outer shaft. The first expandable body is in communication with the first lumen such that an inflation material may be moved through the first lumen and into the first expandable body. An inner shaft is movably positioned within the second lumen. The inner shaft defines a third lumen. A second expandable body is coupled to the inner shaft. The second expandable body is in communication with the third lumen such that an inflation material may be moved through the third lumen and into the second expandable body.
