Pump Flow Dynamics of the Roller Pump and Constrained Vortex Pump

Abstract

The roller pump and the more recently developed constrained vortex pump are clinical devices for pumping blood through an extracorporeal circuit. Using conventional, in vitro calibrating procedures to determing pump flow rates may yield inaccurate results due to uncontrolled physical factors present clinically, i.e. temperature, viscosity, occlusion (roller… (More)

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