Implants for surgery (100) Mesh flexible basic structure having a central region 104, and an outer periphery (120), wherein the outer peripheral portion 120 has a polygonal shape having an N number of corners (122), where N is three or more. Implant 100 can comprise at least two pockets 124, each pocket 124 is the default from the peripheral line connecting the two corners 122 of the outer peripheral portion 120 of base structure 104, and it extends towards a central region of the structure 104. The central region of the base structure 104 may be indicated by the center mark 130, where the direction indicator (132) has at least two corners of the outer peripheral portion 120 of base structure 104 from the center mark 130 (122) is directed to
