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Related Experiment Video

Updated: Feb 6, 2026

Catheter-based Endovascular Angioplasty for Fibrosing Mediastinitis-associated Pulmonary Vein Stenosis
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Transverse microvibrations-based guide wires drag reduction evaluation for endovascular interventional application.

Chaonan Zhang1, Shuxiang Guo2,3, Nan Xiao4

  • 1Key Laboratory of Convergence Medical Engineering System and Healthcare Technology, Ministry of Industry and Information Technology, Beijing Institute of Technology, Beijing, 100081, China.

Biomedical Microdevices
|August 11, 2018
PubMed
Summary

Transverse microvibrations applied to guide wires significantly reduce viscous resistance during endovascular surgery. This innovation enhances operational efficiency and improves surgical safety in complex vascular interventions.

Keywords:
Drag reductionTransverse microvibrationVascular interventional surgeryViscous resistance

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Area of Science:

  • Biomedical Engineering
  • Medical Devices
  • Fluid Dynamics

Background:

  • Endovascular interventional surgery faces challenges with high viscous resistance from guide wire friction in blood vessels.
  • This resistance reduces operational efficiency and increases the risk of vascular injury, impacting patient safety.

Purpose of the Study:

  • To introduce and evaluate a novel method using transverse microvibrations to mitigate viscous resistance during guide wire navigation.
  • To investigate the impact of microvibrations on fluid dynamics and viscous forces in simulated vascular environments.

Main Methods:

  • Applying transverse microvibrations to the proximal end of a passive guide wire.
  • Investigating the effects of tube diameter, medium density, and vibration frequency on viscous force.
  • Developing a mathematical model for viscous force in human blood vessels to predict drag reduction.

Main Results:

  • Microvibrations effectively reduce viscous resistance encountered by guide wires.
  • The study identified key parameters influencing drag reduction, including vibration frequency and vessel characteristics.
  • Experimental validation confirmed the method's effectiveness in reducing drag and improving surgical feasibility.

Conclusions:

  • Transverse microvibrations offer a promising approach to reduce guide wire viscous resistance in endovascular procedures.
  • This technique has the potential to enhance operational efficiency and significantly improve safety during complex vascular interventions.
  • The developed mathematical model aids in predicting and optimizing the drag reduction effect for clinical application.