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Related Experiment Video

Updated: May 23, 2026

Novel and Innovative Hybrid Technique for Type A Aortic Dissection
06:26

Novel and Innovative Hybrid Technique for Type A Aortic Dissection

Published on: March 28, 2025

A novel technology for large vessel recanalization.

Yosi Weitzman1, Ariel Ben-Porath, Michael Levitsky

  • 1Vascure Medical Technologies, Ltd, Bet Hanan, Israel. yosi@vascure.com

Innovations (Philadelphia, Pa.)
|March 23, 2012
PubMed
Summary

A new microjet atherectomy system uses abrasive particles to clear plaque, improving blood flow in large vessels. This novel approach offers superior long-term patency compared to traditional mechanical devices.

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Area of Science:

  • Vascular surgery
  • Biomedical engineering
  • Interventional cardiology

Background:

  • Mechanical atherectomy devices struggle with large vessel recanalization due to limited lumen debulking capacity.
  • Existing methods often restore only a fraction of original blood flow and are prone to re-occlusion.

Purpose of the Study:

  • To introduce a novel catheter-based microjet system for vascular recanalization.
  • To evaluate its efficacy in plaque removal and restoration of blood flow, particularly in challenging lesions.

Main Methods:

  • A catheter-based microjet system delivers biocompatible abrasive particles to lesion sites.
  • The system microchips plaque, minimizing trauma to the vessel wall.
  • Plaque debris is cleared from the bloodstream.

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Last Updated: May 23, 2026

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Main Results:

  • The microjet system enables plaque debulking to diameters significantly larger than the device's crossing profile.
  • This approach facilitates restoration of blood flow.
  • Initial evaluations were conducted for superficial femoral artery lesions.

Conclusions:

  • The microjet atherectomy technology presents a promising alternative for large vessel recanalization.
  • It offers potential for superior long-term patency, especially in complex, calcified lesions.
  • Further evaluation in superficial femoral artery interventions is warranted.