2020
DOI: 10.32640/tasj.2020.1.52
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Tribology and Crystallinity in pivot bearings of Ventricular Assist Devices

Abstract: Ventricular Assist Devices are blood pumps used in patients with Congestive Heart Failure who are waiting for a heart transplant. They aim to assist the ventricle to pump out blood in physiological circulation by increasing aortic pressure and decreasing intraventricular pressure. The IFSP Laboratory of Bioengineering and Biomaterials (BIOENG) has been developing an Implantable Centrifugal Blood Pump called CARoL for mechanical circulatory support. The objective of this dissertation is to evaluate the changes … Show more

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Cited by 2 publications
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“…Still preserving the biocompatibility feature, the laser texturing is a suitable option for processing the surfaces of the rotor, in which hydrophobic characteristics are desired. For a throughout investigation of the suitability of AM techniques for the manufacturing of VAD, the CARoL (Cardiac Assistant Recovery of Life) centrifugal blood pumps [38] were printed using a titanium alloy "LaserForm Ti Gr23 (A)" (3D Systems, Leuven) with high strength and biocompatibility. The SLM machine used was a DMP Flex 350 and the outcome is presented in Figure 14.…”
Section: -Laser Post-processing Of Additive Manufactured Partsmentioning
confidence: 99%
“…Still preserving the biocompatibility feature, the laser texturing is a suitable option for processing the surfaces of the rotor, in which hydrophobic characteristics are desired. For a throughout investigation of the suitability of AM techniques for the manufacturing of VAD, the CARoL (Cardiac Assistant Recovery of Life) centrifugal blood pumps [38] were printed using a titanium alloy "LaserForm Ti Gr23 (A)" (3D Systems, Leuven) with high strength and biocompatibility. The SLM machine used was a DMP Flex 350 and the outcome is presented in Figure 14.…”
Section: -Laser Post-processing Of Additive Manufactured Partsmentioning
confidence: 99%