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Markedly lower stress accumulation of platelet trajectories flow through impeller-shroud gap of HA5 representative shear stress and exposure time of five platelet trajectories flow through the impeller-shroud gap of (a) HMII and (b) HA5 VADs are shown. The platelet trajectories flowing through the HA5 has lower shear stress magnitude and shorter exposure time comparing to the trajectories flowing through the HMII.
