Artificial Organs Acceptance

Diagram of a magnetically levitated axial Couette flow device

MS student James Krisher’s work with FDA’s Rich Malinauskas is now published online. Blood contacting medical devices, including rotary blood pumps, can cause shear-induced blood damage that may lead to adverse effects in patients. We empirically investigated hemolysis in a magnetically levitated axial Couette flow device typical of a rotary VAD. This study recommends that future investigations of shear-induced blood damage report findings with respect to the viscosity-neutral term of shear rate, in addition to the bulk whole blood viscosity measured at an appropriate shear rate relevant to the flow conditions of the device.


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