Abstract #0742

AN MR-SAFE METAL-BRAIDED CATHETER DESIGN FOR INTERVENTIONAL CMR

Burcu Basar¹, Korel Yildirim², Robert J Lederman¹, and Ozgur Kocaturk²

¹Cardiovascular and Pulmonary Branch, Division of Intramural Research, National Heart Lung and Blood Institute, NIH, Bethesda, MD, United States, ²Institute of Biomedical Engineering, Bogazici University, Istanbul, Turkey

Interventional cardiovascular magnetic resonance (iCMR) can enable radiation-free catheterization procedures. However, the lack of MR-safe devices limits clinical iCMR procedures. An MR-safe, metal-braided catheter that avoids RF-heating at 1.5 Tesla was prototyped. RF-heating of the device was eliminated by virtue of segmenting its metal components. RF-safety and mechanical integrity were confirmed through in vitro tests per ASTM standards. The proposed method could be an attractive technique to construct MR-safe metal-braided catheters for iCMR procedures.

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