An implantable prosthesis for repairing or reinforcing a tissue or muscle wall defect is provided. The implantable prosthesis includes a first biocompatible structure having a tether attached thereto for maintaining stable deployment of the implantable prosthesis through an abdominal wall； a rigid reinforcement member positioned adjacent a bottom side of the first biocompatible structure, the rigid reinforcement member including an inner circumferential ring, a plurality of spoke elements, a plurality of openings, and a plurality of guide members molded thereon； a mesh structure positioned adjacent a bottom surface of the rigid reinforcement member, the mesh structure overlapping the inner circumferential ring of the rigid reinforcement member； a second biocompatible structure and an anti-adhesion barrier having a collagen coating positioned on a bottom surface of the second biocompatible structure.
