According to the invention, the tubular prosthesis (1) for connecting an anatomical duct (C) comprises at least two individual tubular elements (2) and a sealed mechanical means (4) for connecting said separate elements to each other.Selon linvention, la prothèse tubulaire (1), pour le raccordement dun canal anatomique (C), comporte au moins deux éléments tubulaires individuels (2) et des moyens mécaniques étanches (4) pour raccorder lesdits élé- ments individuels lun à lautre.