RSB staples are made of copolymer P(L-DL)LA, 70:30 whose reabsorption time goes in range from two to four years. Ø 2 mm. model is suitable in traumatologic indications such as carpal scaphoid fractures or elective indications such as corrections of forefoot deformations with osteotomies type Akin, Wolf,…On the other side, the 3 mm. staple is featured by a special drawing with convergent legs which improves the reduction and congruency of osteotomy rims. Elective applications are not only in medium and backfoot, in corrective osteotomies but also in the child surgery for epiphysiodesis treatment of epiphysiolysis results.