The present disclosure relates to a prosthesis comprising: one mesh delimited by a peripheral exterior edge, a frame fastened to said mesh and adopting the shape of said peripheral exterior edge of the mesh, said frame being set back from said peripheral exterior edge and being provided with two hinge points, the line passing through said two hinge points also passing through the centre of the mesh and thus forming a line for folding the mesh in two, characterized in that said prosthesis further comprises at least two anchor pieces made of suturable material and located on a single face of the mesh on either side of said folding line, each piece having a fixed part linked to said mesh and a free part, said free part being linked to at least one thread-shaped element.
