Developing an magnetic resonance-compatible catheter for cardiac catheterization

Wei Yao, Tobias Schaeffter , Lakmal Seneviratne , Kaspar Althoefer

    Research output: Contribution to journalArticle

    5 Citations (Scopus)

    Abstract

    Magnetic Resonance Imaging (MRI) is a means to guide cardiac interventions and provide excellent soft tissue contrast while avoiding radiation hazards. This paper investigates and evaluates a new Magnetic Resonance (MR)-compatible catheter for cardiac catheterization. Important mechanical properties of the catheter are measured and investigated; these include flexibility, pushability, and torquability. The mechanical performance of the MR-compatible and steerable catheter is benchmarked against three commercially-available clinical ablation catheters that are not MR-compatible. The MR-compatibility of the proposed catheter is also evaluated through an experimental study inside a 1.5 T MRI scanner. The new catheter is shown to have a mechanical performance comparable to that of existing catheters while being MR compatible.
    Original languageEnglish
    Article number041002
    Number of pages7
    JournalJournal of Medical Devices
    Volume6
    Issue number4
    DOIs
    Publication statusPublished - Dec 2012

    Keywords

    • bioengineering
    • MR-compatible catheter
    • catheter
    • cardiac catheterization

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