The present invention relates to a mesh prosthesis which includes a medical mesh impregnated with a bioactive acrylic copolymer, characterised in that the amount of bioactive acrylic copolymer is between 5 wt % and 40 wt % of the total; and the bioactive acrylic copolymer includes 30 wt % to 95 wt % of one or more monomers with hydroxyl groups, 5 wt % to 55 wt % of one or more monomers with sulphonic groups, and 0.01 wt % to 50 wt % of a bioactive agent. The invention also relates to the use of said mesh prosthesis in surgical operations performed to repair hernia complaints.