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An estimation method of hemolysis within an axial flow blood pump by computational fluid dynamics analysis
Tetsuya Yano1, Kazumitsu Sekine, Ayumi Mitoh
1Graduate School of Engineering, Hokkaido University, Nishi, Sapporo, Japan. yano@bme.eng.hokudai.ac.jp
Artificial Organs
|November 18, 2003
Abstract:
Evaluation of hemolysis within a blood pump on a computer is useful for developing rotary blood pumps. The flow fields in the axial flow blood pump were analyzed using computational fluid dynamics (CFD). A blood damage index was calculated based on the changes in shear stress with time along 937 streamlines. Hemolysis of the pumps was measured using bovine blood. A good correlation between the computed and measured hemolysis results was observed. CFD analysis is useful for estimating hemolysis of rotary blood pumps on a computer.