| 摘要 |
A venous access port (100,100A) having a port body (102), a septum (104), a chamber (112,112A) and a discharge port (108) with a passageway (110) extending therethrough outwardly from the chamber. The central region of the chamber (112,112A) is elevated with respect to the periphery of the chamber floor adjacent the chamber side wall and may be convex or conical, with the chamber floor periphery defining a vortex flow path (116,116A). |
