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Magnetically-Assisted Remote Controlled Microcatheter Tip Deflection under Magnetic Resonance Imaging
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Published on: April 4, 2013

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[Pliability and deflection of diagnostic catheters]

Liza Pelyhe1, Eszter Bognár1

  • 1Budapesti Műszaki és Gazdaságtudományi Egyetem, Gépészmérnöki Kar Anyagtudomány és Technológia Tanszék Budapest Bertalan Lajos u. 7. 1111 Magyar Tudományos Akadémia-Budapesti Műszaki és Gazdaságtudományi Egyetem Kompozittechnológiai Kutatócsoport Budapest.

Orvosi Hetilap
|September 22, 2014
PubMed

Insights

This study examined cardiac catheter pliability, finding larger initial diameters showed greater diameter decrease. The method effectively identifies weak points in cardiac catheters.

Area of Science:

  • Cardiovascular device engineering
  • Biomedical materials science

Context:

  • Cardiac catheters are crucial intravascular devices for cardiac diagnostics and therapeutics.
  • Catheter integrity is vital, as breakage or kinking can occur during insertion or removal.

Purpose:

  • To evaluate the pliability of cardiac catheters with identical materials but varying diameters.
  • To assess catheter performance against Food and Drug Administration recommendations.

Summary:

  • Investigated the relationship between initial diameter, diameter decrease, and deflection in cardiac catheters.
  • A linear correlation between diameter decrease and deflection was observed, independent of measurement location.
  • Larger initial diameter catheters exhibited a statistically significant (p=0.05) greater diameter decrease.

Impact:

  • The developed methodology provides a valuable tool for assessing the mechanical weaknesses of cardiac catheters.
  • Findings can inform the design and manufacturing of more robust and safer cardiac catheter devices.
Abstract

Keywords:
cardiac catheterhajlékonyságmechanical processmechanikai eljáráspliabilityszívkatéter

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