Journal of the Society of Biomechanisms
Print ISSN : 0285-0885
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  • [title in Japanese]
    [in Japanese], [in Japanese], [in Japanese]
    Article type: Article
    1998Volume 22Issue 1 Pages 21-24
    Published: February 01, 1998
    Released on J-STAGE: November 01, 2016
    DOIhttps://doi.org/10.3951/sobim.22.21
    JOURNAL FREE ACCESS
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    This paper describes a basic idea of an automatic balloon expansion system for Percutaneous Transluminal Coronary Angioplasty. Electrical expansion apparatus was fabricated here with a stepping motor and a glass syringe driven by a Personal Computer. Quantitative index for vascular mechanical characteristics was proposed as lumped parameters of an electrical circuit model of the balloon system. The parameters were identified through on-line least squared method. At the same time, the pressure in the balloon was estimated using a state observer.
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