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Ventricular suction occurs when a turbodynamic ventricular assist device (VAD) tries to pump more blood from the ventricle than is available. Suction causes a stagnation of the blood flow and can damage the heart muscle and must therefore be avoided in clinical practice. A hybrid mock circulation is a test bench for VADs, which is based on a hardware-in-the-loop concept. It consists of a numerical...
This paper presents a novel mock circulation for the evaluation of ventricular assist devices (VADs), which is based on a hardware-in-the-loop concept. A numerical model of the human blood circulation runs in real time and computes instantaneous pressure, volume, and flow rate values. The VAD to be tested is connected to a numerical-hydraulic interface, which allows the interaction between the VAD...
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