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