Medical device for wound closure

A wound closure device for repairing perforations in tissue and sealing a tissue wall, comprising: an elongate body in the form of a suture comprised of a biodegradable polymeric material having a plurality of barbs being disposed along a surface thereof; a plug member connected to a distal portion of the elongate body; an inner member configured to fill a tissue wall defect; and an outer member which is generally rigid as compared to the inner member, wherein each member has an opening extending therethrough so that the members are moveably positioned on the elongate body and spaced from the distal portion thereof and wherein the outer member and inner member are movable over the barbs in a distal direction to secure the device in the tissue.