Abstract
For the development of cardiovascular devices and the study of the dynamics of blood flow through the cardiovascular system, hardware fluidic models are commonly used to minimize animal experiments and clinical trials. These systems, called circulatory (MCS) are also critical for development of ventricular assist devices (VADs). The passive and active elements in these systems are frequently hard-plumbed and are difficult to modify in experimental studies. Therefore we propose a novel fluidic operational amplifier comprised of a high-gain feedback-controlled gear pump. With pressure being the analog of voltage, design with the fluidic op-amp is analogous to electrical op-amp circuit design. Initial simulation results demonstrate that the device may be programmed for use in mock circulatory systems to emulate the function of the energy sources (the ventricles) or passive networks (hemodynamic loads).
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