Articles Related to HiCycle Durability Tester

O Barannyk, R Fraser, P Oshkai - Journal of Biological Physics, 2017

In this paper, a long-term in vitro dynamic calcification of three porcine aortic heart valves was investigated using a combined approach that involved accelerated wear testing of the valves in the rapid calcification solution, hydrodynamic assessment of the progressive change of effective orifice area (EOA) along with the transaortic pressure gradient, and quantitative visualization of the flow. ...ViVitro Labs Inc. for providing access to their facility and equipment for this study. Compliance with ethical standards Conflict of interest Oleksandr Barannyk has been a postdoctoral fellow at ViVitro Labs Inc. under MITACS...

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Antoine Vaesken, Christian Pidancier, Nabil Chakfe, Frederic Heim Biomedical Engineering / Biomedizinische Technik. ISSN (Online) 1862-278X, ISSN (Print) 0013-5585, DOI: 10.1515/bmt-2016-0083, September 2016

Transcatheter aortic valve implantation (TAVI) is nowadays a popular alternative technique to surgical valve replacement for critical patients. Biological valve tissue has been used in these devices for over a decade now with over 100,000 implantations... ...The purpose of the present work is to study in vitro the mechanical as well as the hydrodynamic behavior of a hybrid elastic textile valve device combining non-deformable PET yarn and elastic polyurethane (PU) yarn... ... times for each valve. Durability testing of the devices. The prototypes were tested on a commercial fatigue apparatus (Vivitro Labs Inc., Victoria, Canada) equipped with an electromagnetic drive mechanism. Six valve prototypes ...

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