University of Twente Student Theses


Optimizing the design of a dynamic cardiac phantom for MR guided intervention training

Geurtsen, A.E (2024) Optimizing the design of a dynamic cardiac phantom for MR guided intervention training.

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Abstract:Cardiac Magnetic Resonance (CMR) is a offers advantages over CT or ultrasound, particularly in guiding minimally invasive procedures, such as trans aortic valve implantation (TAVI) or radiofrequency (RF) ablation. With limitations on animal testing for training clinicians, there is a growing need for alternative solutions. In a response, a dynamic cardiac phantom with anatomical accuracy has been developed, to facilitate minimally invasive testing under MRI guidance. The phantom comprises a 3D printed outer phantom and an integrated heart model. By filling both the outer phantom and heart model with water, pressure measurements were conducted. The following values were obtained: max/min = 24.7/9.0 mmHg. The cardiac phantom also enabled visualization of cardiac contraction on an MRI scan. As contractions were possible, a dynamic cardiac phantom was designed. This is a promising tool for the training in cardiac interventions can and help clinicians to gain knowledge about the anatomical structure of the heart. As the phantom is designed to be adaptable, the heart model can even be replaced with patient-specific models in the future.
Item Type:Essay (Bachelor)
Faculty:TNW: Science and Technology
Subject:42 biology, 44 medicine, 50 technical science in general
Programme:Biomedical Technology BSc (56226)
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