The present invention relates to a prosthesis (1) intended to be implanted at an implantation site, comprising means of information (5) intended to guide the surgeon for performing the implantation of the prosthesis according to a defined arrangement, said prosthesis comprising at least one porous textile (2) having two faces (3,4) separated by a certain thickness, said means of information comprising at least one seam (5) provided in said textile, said seam traversing the thickness of said textile from one face to the other of said textile while preserving said thickness of said textile, said seam defining a zigzag pattern on at least one face of the textile.
