Methods and apparatus for treating bones, including, in one or more embodiments, methods and apparatus for treatment of vertebral fractures that include an inflation device for cavity creation and an inflation and containment device for maintaining vertebral height and cement containment. Methods for treating a bone comprising: creating a cavity in the bone inflating a containment jacket in the cavity inflating a balloon within the containment jacket so that the balloon occupies a first portion of the containment jacket introducing a first filler material into a second portion of the containment jacket, wherein the second portion of the containment jacket is not occupied by the balloon removing the balloon from the containment jacket and introducing a second filler material into the first portion of the containment jacket.
