An estimation method of hemolysis within an axial flow blood pump by computational fluid dynamics analysis
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Updated: Aug 30, 2026

In Vitro Model of Physiological and Pathological Blood Flow with Application to Investigations of Vascular Cell Remodeling
Published on: November 3, 2015
Tetsuya Yano1, Kazumitsu Sekine, Ayumi Mitoh
1Graduate School of Engineering, Hokkaido University, Nishi, Sapporo, Japan. yano@bme.eng.hokudai.ac.jp
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.
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