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Updated: Apr 23, 2026
11:27
Magnetically-Assisted Remote Controlled Microcatheter Tip Deflection under Magnetic Resonance Imaging
Published on: April 4, 2013
11.7K
[Pliability and deflection of diagnostic catheters]
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
Summary
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.
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