The present invention relates to a double pump cardiac-renal assist device, comprising a primary pump designed to offload blood from the left ventricle while maintaining cardiac output, and a secondary pump aimed at improving renal function by altering renal pressure and reducing afterload pressure on the primary pu...

ABSTRACT OPTIMIZED IMPELLER CONFIGURATION FOR CATHETER-BASED BLOOD PUMPS The present invention relates to an impeller apparatus (145) for a catheter-based blood pump, comprising at least two impeller blades (111) with three-dimensional curved surfaces, each blade having a leading edge (112) and a trailing edge (12...