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Catheter-based Endovascular Angioplasty for Fibrosing Mediastinitis-associated Pulmonary Vein Stenosis
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Steerable Catheters in Cardiology: Classifying Steerability and Assessing Future Challenges.

Awaz Ali, Dick H Plettenburg, Paul Breedveld

    IEEE Transactions on Bio-Medical Engineering
    |February 11, 2016
    PubMed
    Summary

    This review classifies steerable catheter steering mechanisms into force generation (electric, thermal, magnetic) and force transmission (hydraulic, mechanical) categories. This classification identifies future challenges for cardiac catheter design and application.

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    Area of Science:

    • Medical Devices
    • Biomedical Engineering
    • Catheter Technology

    Background:

    • Steerable catheters are crucial for minimally invasive procedures.
    • Current designs exhibit diverse steering mechanisms.
    • A systematic classification is needed to guide future development.

    Purpose of the Study:

    • To classify existing steering mechanisms in steerable catheters.
    • To identify future challenges and requirements for steerable cardiac catheters.

    Main Methods:

    • Review and classification of existing, patented, and experimental steerable catheter designs.
    • Analysis of steering mechanisms based on fundamental principles.

    Main Results:

    • Two primary steering categories identified: force generation (electric, thermal, magnetic actuation) and force transmission (hydraulic, mechanical cable actuation).
    • Subcategories within each group detail specific actuation methods.
    • Future challenges identified in steering/positioning, cardiac application safety, and miniaturization.

    Conclusions:

    • A structured classification of steering mechanisms is presented.
    • This classification serves as a valuable tool for application-driven design of steerable catheters.
    • It highlights areas for innovation in catheter technology for improved cardiac interventions.