Vibrational Characterization of Cavitation in Left Ventricular Assist Device.

Ditte Juhl Kisendal,Katrine Rafn Josiasen, Marie Nørkjaer Larsen,Samuel Emil Schmidt,Søren Nielsen Skov

Artificial organs（2023）

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摘要

Vibrational measurements in the LVAD can be used to detect cavitation. A significant degree of cavitation could be detected in a wide frequency range, while minor cavitation activity could only be detected in more narrow frequency ranges. Continuous vibrational LVAD monitoring can potentially be used to detect cavitation and minimize the damaging effect associated with cavitation.

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关键词

Left Ventricular Assist Device (LVAD),accelerometry,cavitation,centrifugal pump,gaseous microemboli (GME),microbubbles,vibrational analysis

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