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Abstract #4316

Conspicuous MRI Guidewire with an Embedded Temperature Probe to Enhance RF Safety

Merdim Sonmez1, 2, Dominique N. Franson1, Christina E. Saikus1, Majdi Halabi1, Anthony Z. Faranesh1, Robert J. Lederman1, Ozgur Kocaturk1, 2

1National Institutes of Health, Bethesda, MD, United States; 2Bogazici University, Istanbul, Turkey

A 0.035 MRI active guidewire with distinct tip signal, uniform shaft signal and an embedded fiberoptic temperature probe to monitor RF induced heating in real time was designed.

Keywords

active advanced adversely affecting allowed animal antenna aorta aortic approved arch arrow artery attaching attachment audience black cardiovascular care clinical coil committee compatible components conductive conductor configuration configurations conspicuous constructed continuous corresponds created custom design designed detailed detection device devices diameter diameters distal distinct drawing electrical embedded empirically enabled engineers enhance enhanced entire evaluate exit experiment field final finally functionality grade hampered health heat heating hottest iliac in vivo incorporated incorporating induced inner institutes insufficient insulated internal junction larger laser layer length lengths location long longitudinal magnification materials matrix medical minute model moderate modified monitor monitoring national normalized optimize optimized outer overall pattern performance phantom polymer port positioned probe problem procedure profile prototype prototypes proximal pullback real realistic safe safety scanner serves shaft slice solenoid spiral spot suggests swine table tapered target temperature thermoplastic transition turkey unavailability uniform unwanted view visibility vitro white wires withdrawn worst