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. 2004 Jan-Feb;50(1):25-32.
doi: 10.1097/01.mat.0000104817.39941.9c.

Collected nondimensional performance of rotary dynamic blood pumps

W A Smith  1 , P Allaire, J Antaki, K C Butler, W Kerkhoffs, T Kink, H Loree, H Reul
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Collected nondimensional performance of rotary dynamic blood pumps

W A Smith et al. ASAIO J. 2004 Jan-Feb.

Abstract

"Nonpulsatile" or "continuous flow" blood pumps are a relatively new application of the rotary dynamic blood pumping principle. They fall outside the normal envelop of pumps, considering their small size, viscosity of the fluid pumped, need for particularly good internal flow patterns, and desire for high efficiency. This article establishes the state of the art in the field of blood pump performance. Trends in efficiency, shut off pressure coefficient, and nondimensional power behavior as a function of nondimensional flow are identified. Blood pumps show agreement with the published effects of low Reynolds numbers in conventional pumps.

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