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Original Research Tracking Planar Orientations of Active MRI
 

Summary: Original Research
Tracking Planar Orientations of Active MRI
Needles
Shashank Sathyanarayana, MS,1
Pelin Aksit, MS,2
Aravind Arepally, MD,3
Parag V. Karmarkar, MS,3
Meiyappan Solaiyappan, MS,3
and Ergin Atalar, PhD3,4*
Purpose: To determine and track the planar orientation of
active interventional devices without using localizing RF
microcoils.
Materials and Methods: An image-based tracking method
that determines a device's orientation using projection im-
ages was developed. An automated and a manual detection
scheme were implemented. The method was demonstrated
in an in vivo mesocaval puncture procedure in swine, which
required accurate orientation of an active transvascular
needle catheter.
Results: The plane of the catheter was determined using

  

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

 

Collections: Engineering; Biology and Medicine