A Paradigm Shift in Catheter Development: Thermally Drawn Polymeric Fibers for MR-Guided Cardiovascular Interventions
arxiv(2024)
摘要
Cardiovascular diseases (CVDs) and congenital heart diseases (CHD) pose
significant global health challenges. Fluoroscopy-guided endovascular
interventions, though effective, are accompanied by ionizing radiation
concerns, especially in pediatric cases. Magnetic resonance imaging (MRI)
emerges as a radiation-free alternative, offering superior soft tissue
visualization and functional insights. However, the lack of compatible
instruments remains a hurdle. We present two novel catheter systems, a
tendon-driven steerable catheter and an active tracking Tiger-shaped catheter,
fabricated using a unique fiber drawing technique. These catheters, showcasing
mechanical properties similar to commercial counterparts, have undergone
rigorous in-vitro and in-vivo testing, yielding promising outcomes. This
innovative approach has the potential to streamline medical device development,
thus enhancing patient care in MR-guided interventions.
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