Blood pump with dual inlet passages

Details Blood pump with dual inlet passages Blood pump with dual inlet passages

A - Human Necessities

61

M

A61M 1/10 (2006.01) A61M 1/12 (2006.01)

Patent

CA 2525161

The blood pump comprises a stationary housing structure, a rotative impeller, a first inlet and a second inlet. The stationary housing structure has a proximal end and a distal end, and is substantially symmetrical about a longitudinal axis. The rotative impeller is mounted within the stationary housing structure to circulate blood in a blood flow direction extending from the proximal end to the distal end. The first inlet is provided near the proximal end, and leads to a first passage. The second inlet leads to a second passage defining an acute angle with the longitudinal axis. The first and second passages join into a common passage between the second inlet and the rotative impeller. When the rotative impeller is activated, a first predetermined volume of blood flows in the stationary housing structure through the first inlet and a second predetermined volume of blood flows in the stationary housing structure through the second inlet, the second predetermined volume being greater than the first predetermined volume.

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