A tricuspid insufficiency treatment device includes a vena cava member (12) implantable in a vena cava of a patient. The vena cava member (12) is formed with a fenestration (14) and further includes a blocking member (16) arranged to block and unblock the fenestration (14).Un dispositif de traitement de l'insuffisance tricuspide comprend un élément de veine cave (12) implantable dans la veine cave d'un patient. L'élément de veine cave (12) comporte une fenêtre (14) et, en outre, un élément d'obturation (16) agencé pour fermer et ouvrir la fenêtre (14).
