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The influence of stents on the performance of an ultrasonic navigation system for endovascular procedures  Aaron E. Bond, PhD, Fred A. Weaver, MD, MMM,

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Presentation on theme: "The influence of stents on the performance of an ultrasonic navigation system for endovascular procedures  Aaron E. Bond, PhD, Fred A. Weaver, MD, MMM,"— Presentation transcript:

1 The influence of stents on the performance of an ultrasonic navigation system for endovascular procedures  Aaron E. Bond, PhD, Fred A. Weaver, MD, MMM, Jay Mung, MS, Sukgu Han, MD, Dan Fullerton, BS, Jesse Yen, PhD  Journal of Vascular Surgery  Volume 50, Issue 5, Pages (November 2009) DOI: /j.jvs Copyright © 2009 Society for Vascular Surgery Terms and Conditions

2 Fig 1 Schematic representation of the ultrasonic navigation system with three fixed tracking modules and one movable endovascular catheter with an attached probe. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2009 Society for Vascular Surgery Terms and Conditions

3 Fig 2 Pictorial of the water tank setup used for the determination of the effects of deployed commercially available stent materials on the accuracy of an ultrasonic navigation system. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2009 Society for Vascular Surgery Terms and Conditions

4 Fig 3 Measured position and signal intensity vs actual position of a microtransducer probe as it traverses a polytetrafluoroethylene (PTFE)/nitinol stent. The maximum error was 1.7 mm, with an SD of 0.7 mm. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2009 Society for Vascular Surgery Terms and Conditions

5 Fig 4 Measured position and signal intensity vs actual position of a microtransducer probe as it traverses a Dacron/nitinol stent. The maximum error was 3.6 mm, with an SD of 1.4 mm. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2009 Society for Vascular Surgery Terms and Conditions

6 Fig 5 Measured position and signal intensity vs actual position of a microtransducer probe as it traverses a bare nitinol stent. The maximum error was 3.0 mm, with an SD of 1.2 mm. Journal of Vascular Surgery  , DOI: ( /j.jvs ) Copyright © 2009 Society for Vascular Surgery Terms and Conditions

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