Active MR guidance of interventional devices with target-navigation

Qiang Zhang, Michael Wendt, Andrik J. Aschoff, Lan Zheng, Jonathan S. Lewin, Jeffrey L. Duerk

Research output: Contribution to journalArticle

Abstract

This project incorporated a novel inductive coupling structure of three micro coils into an invasive device tip to determine both its tip position and orientation. Moreover, with the introduction of a new target-navigation technique the MR scan plane was defined automatically by the invasive device orientation and target tissue location. A time domain multiplexing technique was applied for Simultaneous MR imaging and device tracking. Using these techniques, the acquired MR images always showed both the invasive device and its target tissue. Thus, roadmap images and their potential misregistration errors were avoided. A graphical user interface (GUI) was also designed to assist interventional physicians in monitoring and guiding the insertion of the interventional device. Ex vivo phantom and in vivo animal experiments were performed to test this new technique. The methods developed in this project provide a new active technique for interventional device guidance using MRI. (C) 2000 Wiley-Liss, Inc.

Original languageEnglish (US)
Pages (from-to)56-65
Number of pages10
JournalMagnetic Resonance in Medicine
Volume44
Issue number1
DOIs
StatePublished - 2000
Externally publishedYes

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Equipment and Supplies
Physicians

Keywords

  • GUI
  • Image segmentation
  • Inductively coupled coils
  • Interventional MRI
  • Medical instrumentation
  • Time domain multiplexing
  • Tip tracking

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology

Cite this

Active MR guidance of interventional devices with target-navigation. / Zhang, Qiang; Wendt, Michael; Aschoff, Andrik J.; Zheng, Lan; Lewin, Jonathan S.; Duerk, Jeffrey L.

In: Magnetic Resonance in Medicine, Vol. 44, No. 1, 2000, p. 56-65.

Research output: Contribution to journalArticle

Zhang, Qiang ; Wendt, Michael ; Aschoff, Andrik J. ; Zheng, Lan ; Lewin, Jonathan S. ; Duerk, Jeffrey L. / Active MR guidance of interventional devices with target-navigation. In: Magnetic Resonance in Medicine. 2000 ; Vol. 44, No. 1. pp. 56-65.
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