Abstract #3844
Comparison of in vivo 3D flow characteristics to realistic in vitro models with flexible and rigid vessel wall
Ramona Lorenz 1 , Michael Markl 2 , Stephan Berner 1 , Christoph Mller 1 , and Bernd Jung 1
1
Dept. of Radiology, Medical Physics,
University Medical Center Freiburg, Freiburg, Germany,
2
Dept.
of Radiology and Biomedical Engineering, Northwestern
University, Chicago, Illinois, United States
This study is about an in vitro model set up with
realistic in-flow conditions. The in vitro models are
one to one replica of a normal aorta and were generated
by rapid prototyping. One in vitro model with rigid
vessel wall and four in vitro models with different
flexibility of the vessel walls were employed for MRI
flow experiments. The difference in flexibility grade
was obtained by different vessel wall thickness of the
same flexible material. In vivo and in vitro flow
analysis was performed in eight planes distributed over
the aorta for comparison of velocity and flow data.
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