A prosthesis includes an enclosure. A flexible support structure is situated at least partially within the enclosure and is removable therefrom. The flexible support structure occupies a total circumferential area and has a stiffness that is sufficient to allow the prosthesis to assume a deployed (e.g., generally planar) configuration. A tab is adjoined with the flexible support structure and extends external to the enclosure. Pulling the tab directionally away from the prosthesis causes a reconfiguration of the flexible support structure sufficient to enable the flexible support structure to pass through an opening in the prosthesis having a total circumferential area that is less than the total circumferential area occupied by the flexible support structure when the prosthesis is in the deployed (e.g., generally planar) configuration, enabling removal of the flexible support structure from the enclosure.