Fontan procedure
It involves diverting the venous blood from the inferior vena cava ( IVC ) and superior vena cava ( SVC ) to the pulmonary arteries without passing through the morphologic right ventricle; i . e . , the systemic and pulmonary circulations are placed in series with the functional single ventricle . 
<triplet> inferior vena cava <subj> venous <obj> instance of <triplet> superior vena cava <subj> venous <obj> instance of