To provide access for hemodialysis, three possible blood conduits are constructed of either a central vein catheter, arteriovenous fistulas, or prosthetic grafts with expanded polytetrafluoroethylene (ePTFE).
Central Vein Catheter (CVC)
Plastic, Y-shaped tube threaded through skin into a central vein in neck
Surgical connection between artery and
Arteriovenous Graft (AVG) with ePTFE
Surgical connection of ePTFE graft between artery and vein