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The Accelerated Transcatheter Heart Valve Testing Environment: Loading, Motion, and Fluid Dynamics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Transcatheter aortic valve replacements (TAVRs) are an increasingly common treatment for aortic valve disease due to their minimally invasive delivery. As TAVR designs require thinner leaflets to facilitate catheter-based ...
Fluid Dynamic Study of the Penn State Pediatric Total Artificial Heart
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Penn State University is developing a pediatric total artificial heart (TAH) as a bridge-to-transplant device that supports infants and small children with single ventricle anomalies or biventricular heart failure to address ...
Characterizing the HeartMate II Left Ventricular Assist Device Outflow Using Particle Image Velocimetry
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Ventricular assist devices (VADs) are implanted in patients with a diseased ventricle to maintain peripheral perfusion as a bridge-to-transplant or as destination therapy. However, some patients with continuous flow VADs ...
Experimental Hemodynamics Within the Penn State Fontan Circulatory Assist Device
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For children born with a single functional ventricle, the Fontan operation bypasses the right ventricle by forming a four-way total cavopulmonary connection and adapts the existing ventricle for the systemic circulation. ...
In Vitro Quantification of Time Dependent Thrombus Size Using Magnetic Resonance Imaging and Computational Simulations of Thrombus Surface Shear Stresses
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Thrombosis and thromboembolization remain large obstacles in the design of cardiovascular devices. In this study, the temporal behavior of thrombus size within a backwardfacing step (BFS) model is investigated, as this ...
Toward the Virtual Benchmarking of Pneumatic Ventricular Assist Devices: Application of a Novel Fluid–Structure Interaction-Based Strategy to the Penn State 12 cc Device
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The pediatric use of pneumatic ventricular assist devices (VADs) as a bridge to heart transplant still suffers for short-term major complications such as bleeding and thromboembolism. Although numerical techniques are ...
A Computational Method for Predicting Inferior Vena Cava Filter Performance on a Patient Specific Basis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A computational methodology for simulating virtual inferior vena cava (IVC) filter placement and IVC hemodynamics was developed and demonstrated in two patientspecific IVC geometries: a leftsided IVC and an IVC with a ...
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