Biodegradable prostheses, surgical grafts and implants all being made from artificial materials for use in tissue reconstruction, vascular, neurological, orthopaedic, musculoskeletal, gynaecological and cardiac applications; surgical grafts and implants all being made from artificial materials which are porous for use in tissue reconstruction, vascular, neurological, orthopaedic, musculoskeletal, gynaecological and cardiac applications; surgical grafts and implants all being made from artific...