Patent ID: 6135710
Filing Date: 2000-10-24
Classification: A61M,Y10S

Abstract:
A turbo blood pump comprising:a) a casing having an interior region, an aperture formed in an upper portion of said casing defining a blood inlet, and an aperture formed in a lower portion of said casing defining a blood outlet;b) an impeller rotatably mounted about a vertical axis within said interior region, said impeller including:1) a rotary shaft, and2) at least one vane depending from said rotary shaft, said at least one vane having an upper radius adjacent said blood inlet and a lower radius adjacent said blood outlet, said upper radius being less than said lower radius, and the base of said at least one vane forming an exterior angle of less than 65.degree. with the axis of said rotary shaft; andc) a driving means for rotating said impeller about the vertical axis.