An expandable support device and methods of using the same are disclosed herein. The expandable support device can expand radially when compressed longitudinally. The expandable support device can be deployed in a bone, such as a vertebra, for example to repair a compression fraction. The expandable support device can be deployed into or in place of all or part of an intervertebral disc. The expandable support device can be deployed in a vessel, in an aneurysm, across a valve, or combinations thereof. The expandable support device can be deployed permanently and/or used as a removable tool to expand or clear a lumen and/or repair valve leaflets.