Abstract: The invention relates to a prosthetic implant (1) for suburethral support comprising a suburethral support element (3) of elongate form that extends longitudinally between a first end (3A) and a second end (3B), said first end (3A) at least having first and second opposite faces (4), said implant (1) being characterized in that said suburethral support element (3) comprises at least a first gusset (11), which projects from the side of said first face (4) of the first end (3A), and a second gusset (12), which projects from the side of said second face (5) of the first end (3A), said first and second gussets (11, 12) being designed to fasten said first end (3A) within biological tissues of the patient. Prosthetic implants.