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Balloon-dilatable arterial banding prosthesis: experimental study.

D J Vince, J A Culham, G P Taylor

    Radiology
    |July 1, 1987
    PubMed
    Summary
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    Two novel arterial banding prostheses were developed and successfully dilated using balloon catheters. The stainless steel helix design showed promise for future clinical applications in vascular surgery.

    Area of Science:

    • Biomedical Engineering
    • Cardiovascular Surgery
    • Medical Device Development

    Background:

    • Arterial banding is a surgical technique used to restrict blood flow.
    • Existing banding methods may lack adjustability or ease of dilation.
    • Development of novel, dilatable prostheses is crucial for improved surgical outcomes.

    Purpose of the Study:

    • To develop and evaluate two novel arterial banding prostheses.
    • To assess the feasibility of intraluminal balloon dilation for debanding.
    • To compare the efficacy and technical advantages of two distinct prosthesis designs.

    Main Methods:

    • Development of two arterial banding prostheses: one radiopaque umbilical tape, the other a stainless steel helix in a siliconized shield.
    • Surgical implantation in canine models targeting the pulmonary artery, subclavian artery, and aorta.

    Related Experiment Videos

  • Post-implantation dilation using an intraluminal balloon dilator at 6 atm for 30 seconds.

    • Main Results:

    • Both prosthesis designs were successfully implanted and subsequently dilated via balloon catheter.
    • A reduction in the pressure gradient across the band was observed in all 15 experimental subjects.
    • The stainless steel helix prosthesis demonstrated greater success and technical advantages.

    Conclusions:

    • Novel, balloon-dilatable arterial banding prostheses can be successfully developed and applied.
    • Intraluminal balloon dilation effectively reduces the gradient across arterial bands.
    • The stainless steel helix design presents a promising option for clinical translation in vascular procedures.