HYDRAULIC SEAL FOR ROTARY PUMPS

摘要

A rotary blood pump comprising at least one rotor (1), a housing (3) and at least one conduit (16) in the rotor for conducting a by-passed portion of the blood into a clearance (9) between the rotor and the housing, the portion of blood consisting mostly of plasma without red blood cells, thus preserving the solid particles and red cells from damage.