The invention relates to a prosthesis (1) comprising a textile (2) of elongate shape defining a longitudinal axis A, and a reinforcing element comprising at least one semi-rigid elongate structure (8) connected to said textile, said structure being substantially parallel to said longitudinal axis A and having a distal end provided with at least one fastening element (4) distinct from said textile and capable of cooperating with a part of a tool (10) that is able to pass through said trocar, in order to temporarily couple said prosthesis to said tool.