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. Author manuscript; available in PMC: 2012 Dec 1.
Published in final edited form as: JACC Cardiovasc Interv. 2011 Dec;4(12):1318–1325. doi: 10.1016/j.jcin.2011.07.017

Figure 1. Ex Vivo MRI of Muscular VSD Occluder.

Figure 1

(A) Off-the-shelf occluder with stainless steel screw creating imaging artifact. (B) A similar device after replacement of the device screw to a titanium screw. The device itself is made of nitinol mesh, which is passively visualized on MRI but without significant artifact. MRI = magnetic resonance imaging; VSD = ventricular septal defect.