EUROSCREW is composed 100% of poly (70/30 ;L/DL) lactic acid. This polymer breaks down through hydrolysis to form lactic acid, eliminated by the Kreps cycle. The products created by the breakdown of this polymer have been reported as causing virtually no inflammatory reaction. Losses in mechanical properties are observed after six months, which ensures the graft forms scars. No trace of the screw could be detected after 24 months.