Orthopedic & Muscular System: Current Research
Open Access
ISSN: 2161-0533
+44-20-4587-4809
ISSN: 2161-0533
+44-20-4587-4809
Samineh Barmaki
Posters-Accepted Abstracts: Orthop Muscular Syst
A biomaterial can be defined as a material intended to interface with biological systems to evaluate, treat, augment or replace any tissue, organ or function of the body. Many different biomaterials are used clinically as implants or devices for diagnosis or therapy. Biomaterials for cardiovascular applications are usually prepared using polymers because these are available in a wide variety of compositions with adequate physical and mechanical properties and can be easy manufactured into products with the desired shape. Polyether urethane urea and Polysulfones are the most common polymers which are used for artificial heart components and heart valve. A blood-contacting diaphragm within the pump is made from a special type of polyurethane that is also textured to provide blood cell adherence. Two tubular grafts are made from polyester (which is used to attach the device to the aorta) and the valves are actual heart valves removed from a pig. Other parts that make up the motor are made from titanium or other metals and ceramics. A titanium-aluminum-vanadium alloy is used for the pump because it is biocompatible and has suitable structural properties. In Japan, researchers are developing total artificial hearts based on a silicone ball valve system and a centrifugal pump with a bearing system made from alumina ceramic and polyethylene components. Recent studies reveal the progress in investigation of novel techniques of biomaterials of the artificial heart in terms of longer follow-ups.