Estudio exploratorio para el desarrollo de un dispositivo de asistencia cardíaca
Araya-Luna, Daniel Eduardo
Li-Huang, Luis Angel
Montero-Rodríguez, Juan José
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Cardiovascular diseases are the major cause of death in Costa Rica. Circulatory assist devices can be used in heart surgeries or as assistance in severe heart failure cases, this function depends on its design and configuration. This document presents the results of an exploratory study conducted in order to propose a project with the aim to develop and improve devices used in heart failure treatments, especially for those patients with an advanced stage of this disease.. Costa Rica has limited access to this kind of systems due to the low number of available devices and their price. The results discussed in this report can be grouped into four themes: heart disease statistics in the country, cardiovascular system models, models of blood in blood vessels and performance and characteristics of existing ventricular assist devices. Furthermore, this project has allowed to identified several requierements to implement a circulatory support system able to assist heart function, such as technical aspects like specification, development and selection of energy sources, possible materials, proper control system, applicability and maneuverability depending on the clinical condition of each patient. For this reason, we present a route map with the steps we have determined are necessary for the development of a ventricular assist system in the TEC.