US Patent 9326806 Devices and methods for the treatment of bone fracture

A device for treating vertebral bone including a releasably closed, removable filling member which can be placed within a plane separating superior and inferior portions of a vertebral body and oriented to promote its stabilization and realignment upon expansion of the filling member along the plane via injection of filler material, while minimally compacting bone or creating unsupported voids within the interior of the vertebral body.