title: The polished carbon button--privileged access to the bloodstream (through attachment to an expanded PTFE conduit or arterialised fistula vessel).
mesh_terms: D001166:Arteriovenous Shunt, Surgical / Q000379:methods*; D001807:Blood Vessel Prosthesis; D002244:Carbon; D006801:Humans; D011138:Polytetrafluoroethylene
chemical_list: D002244:Carbon; D011138:Polytetrafluoroethylene