A workspace device having a body which is collapsible to a collapsed state to fit through a laparoscopic passageway in a body cavity wall, and expandable to an expanded state within a body cavity into which the passageway extends, including: a workspace body having a workspace wall including a plurality of expandable segments defining an internal lumen, and a plurality of radial rigidizers positioned within the wall; wherein in the expanded state: the workspace device extends defining a workspace axis, and has an opening to the internal volume; and the plurality of expandable segments rigidize the workspace body to resist collapse by intra-abdominal forces, and the plurality of radially extending rigidizers positioned within the wall resist radial forces.