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Development of a 0.014-inch Magnetic Resonance Imaging Guidewire

Summary: Development of a 0.014-inch Magnetic Resonance
Imaging Guidewire
Bensheng Qiu,1
Parag Karmarkar,1
Chris Brushett,1,2
Fabao Gao,1
Ryan Kon,2
Sourav Kar,1,2
Ergin Atalar,1,2
and Xiaoming Yang1
The purpose of this study was to develop a standard 0.014-inch
intravascular magnetic resonance imaging guidewire (MRIG), a
coaxial cable with an extension of the inner conductor, specif-
ically designed for use in the small vessels. After a theoretical
analysis, the 0.014-inch MRIG was built by plating/cladding
highly electrically conductive materials, silver or gold, over the
inside and outside of the coaxial conductors. The conductors
were made of superelastic, nonmagnetic, biocompatible mate-
rials, Nitinol or MP35N. Then, in comparison with a previously


Source: Atalar, Ergin - Department of Electrical and Electronics Engineering, Bilkent University


Collections: Engineering; Biology and Medicine