The present invention generally relates to the field of prostheses for surgical applications, to methods of their manufacturing and to methods of treating a patient by implanting them into a patient. More particularly, the present invention relates to prostheses having a multi-layered sheet structure and their use in hernia repair, the repair of anatomical defects of the abdominal wall, diaphragm, and chest wall, correction of defects in the genitourinary system, and repair of traumatically damaged organs such as the spleen, liver or kidney.