| abstract |
Prosthesis ( 1 ) comprising a patch ( 2 ) made of biocompatible material, said patch having a generally plane geometric shape that defines two opposite faces, a centre, a length and a width of said patch, characterized in that said patch is provided, on one ( 2 a ) of its faces, with a single marking means ( 3 ) designed to indicate both the centre (C) of the patch and also the longitudinal direction of said patch. |