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Recently, percutaneous aortic valve (PAV) replacement has been investigated as an endovascular alternative for the treatment of aortic stenosis. Percutaneous valve intervention requires a thorough material characterization of the human aortic root and ascending aorta for successful PAV deployment and function. Recent PAV clinical trials have been conducted on animal models under the assumption that...
In this study, we investigated the mechanical properties of porcine aortic sinus using a three-dimensional marker measuring technique called the direct linear transformation (DLT) method. By recording pressure-inflation tests of five porcine aortic roots with the use of two cameras simultaneously, we were able to obtain stress and strain responses of aortic sinus upon applied luminal pressures and...
This 3-point bending device is intended to provide the user with a novel tool used to obtain material property information for biological tissues. Specifically, the device is intended to provide the user with the stress-strain relationship of the tested tissue in the low-strain region (Lt5% strain) and provide the location of the neutral axis. The stress-strain relationship is useful because it allows...
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