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Related Experiment Videos

The releasable balloon technique with activated high frequency electrical current

W Taki, H Handa, S Yamagata

    Surgical Neurology
    |June 1, 1980
    PubMed
    Summary

    A novel releasable balloon catheter utilizes a soluble polyvinyl alcohol joint that dissolves in seconds using electrical current. This innovation enables effective embolization of vascular fistulas in canine models.

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    Area of Science:

    • Biomedical Engineering
    • Vascular Surgery
    • Materials Science

    Background:

    • Vascular malformations like carotid-jugular fistulas require effective embolization techniques.
    • Current embolization methods may have limitations in precise balloon detachment.

    Purpose of the Study:

    • To develop and evaluate a novel releasable balloon catheter with a soluble joint for embolization procedures.

    Main Methods:

    • A balloon catheter was engineered with a soluble joint made of polyvinyl alcohol and electrodes.
    • The joint was designed to dissolve rapidly (within one second) upon activation of a high-frequency electrical current from an Aesculap GK-34 generator.
    • The catheter's efficacy was tested in canine models for embolizing carotid-jugular fistulas.

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    Main Results:

    • The polyvinyl alcohol joint successfully dissolved within one second when subjected to high-frequency electrical current.
    • The releasable balloon catheter demonstrated effectiveness in embolizing carotid-jugular fistulas in dogs.

    Conclusions:

    • The developed releasable balloon catheter with a soluble joint is a promising new device for embolization.
    • This technology offers a rapid and controlled method for balloon detachment during vascular interventions.