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A. A. Sakhaeimanesh; Journal of Medical Engineering & Technology: 32, Issue 6; 434 – 439; 2008.
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Visit SourceMathias Vermeulen, Cedric Van Holsbeke, Tom Claessens, Jan W. De Backer, Peter Van Ransbeeck, Pascal Verdonck, 15th Int Symp on Applications of Laser Techniques to Fluid Mechanics Lisbon, Portugal, 05-08 July, 2010
ABSTRACT The objective of this study is to analyze the flow pattern trough a patient specific lower airway under multiple breathing conditions. The measured Particle Image Velocimetry (PIV) results are quantitatively and quantitatively compared ...
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Visit SourceN Saikrishnan, G Tamilselvan… - Transactions of the …, 2011 - researchgate.ne
ABSTRACT Aortic valve (AV) calcification is a highly prevalent disease with serious impact on mortality and morbidity. The exact cause and mechanism of the progression of AV calcification is unknown, although mechanical forces have been known to play...
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Visit SourceA Ducci, S Tzamtzis, M Mullen, G Burriesci - 2012 - ltces.dem.ist.utl.pt
Two sets of phase resolved PIV measurements were performed in the Valsalva sinuses of a glass mock aortic root including three polymeric valve leaflets, before and after the implant of a Medtronic CoreValve TAVI device. The experiments were carried out in a hydro-mechanical cardiovascular pulse duplicator system (Vivitro Superpump System SP3891) r...
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Visit SourceA Falahatpisheh, A Kheradvar - European Journal of Mechanics-B/Fluids, 2012 - Elsevier
Abnormality in cardiac fluid dynamics is highly correlated with several heart conditions. This is particularly true in valvular heart diseases and congenital heart defects where changes in flow-field accompany significant variations in chambers’ pressure gradients. Particle Image Velocimetry (PIV) is a convenient technique in assessing cardiac fluid dynamics in vitro...
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Visit SourceB Chaffin, L Mirabella… QScience Proceedings: Vol. 2012, Heart Valve Biology and Tissue Engineering, 64. DOI: 10.5339/qproc.2012.heartvalve.4.64 Published online: 10 Jul 2012
We aim to validate the performance of our fluid structure interaction (FSI) simulations of a bi-leaflet mechanical heart valve in the aortic position., whose motion is driven by the beating left ventricle. We compare in vitro experiments and computations performed on an idealized model of the left ventricle (LV) with a St. Jude Medical Regent heart valve in the aortic position.
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Visit SourceF Kabinejadian, HL Leo, A Danpinid, - World Congress on …, 2013 - Springer
Stenosed carotid artery is responsible for 60% of strokes in the United States and is the third major cause of death. Recently, there is an increasing interest in carotid artery stenting for treatment of cervical carotid artery bifurcation atherosclerotic disease. The ultimate goal of this study is to develop, prototype, test, and optimize a novel design of a covered carotid stent, in order to achieve emboli prevention and...
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Visit SourceM Vermeulen, T Claessens… - Rapid Prototyping …, 2013 - emeraldinsight.com
The purpose of this paper is to use rapid prototyping technology, in this case fused deposition modeling (FDM), to manufacture 2D and 3D particle image velocimetry (PIV) compatible patient‐specific airway models.
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Visit SourceTrung B. Le, Daniel R. Troolin, Devesh Amatya*, Ellen K. Longmire, Fotis Sotiropoulos - Annals of biomedical …, 2013 - Springer *ViVitro Labs employee
We carry out high-resolution laboratory experiments and numerical simulations to investigate the dynamics of unsteady vortex formation across the neck of an anatomic in vitro model of an intracranial aneurysm. A transparent acrylic replica of the aneurysm is manufactured and attached to a pulse duplicator system in the laboratory.
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Visit SourceBE Griffith, V Flamini, A DeAnda, L Scotten – Journal of Medical Devices, 2013
… Department of Cardiothoracic Surgery, New York University School of Medicine. Lawrence Scotten ViVitro Systems, Inc. 1 Corresponding author. Manuscript received September 25, 2013; final manuscript received October 8, 2013; published online December 5, 2013.
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Visit SourceS Annerel, T Claessens, J Degroote, P Segers… – Medical Engineering & …, 2014
A recirculating hydraulic circuit is developed consisting of a pulse duplicator system (Vivitro Labs Inc, Victoria, Canada) for imposing pulsatile flow, the acrylic test section for mounting the valve prosthesis, a Windkessel chamber for mimicking arterial compliance, a peripheral …
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Visit SourceEM Groves, A Falahatpisheh, JL Su, A Kheradvar – ASAIO Journal, 2014
… Experimental setup Pulsatile pump system: The heart-flow simulator consists of a hydraulic pump system (Superpump system, VSI, SPS3891, Vivitro systems Inc., Victoria, BC, Canada), which operates based on a VSI Wave Generator VG2001 (Vivitro Systems Incorporated, …
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