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Related Experiment Videos

Hexsyn trileaflet valve: application to temporary blood pumps

R Kiraly, R Yozu, D Hillegass

    Artificial Organs
    |May 1, 1982
    PubMed
    Summary
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    A new trileaflet valve made from Hexsyn rubber showed excellent blood compatibility and satisfactory performance in temporary blood pumps. This material offers a promising, low-cost option for blood pump valves in short-term applications.

    Area of Science:

    • Biomaterials Science
    • Medical Device Engineering
    • Cardiovascular Technology

    Background:

    • Temporary blood pumps require reliable and biocompatible valve components.
    • Existing valve materials may present limitations in performance, biocompatibility, or cost.
    • Hexsyn rubber is a novel material with potential for complex medical device fabrication.

    Purpose of the Study:

    • To evaluate a trileaflet valve made of Hexsyn rubber for use in temporary blood pumps.
    • To assess the hemodynamic performance and blood compatibility of Hexsyn valves in a left ventricular assist device (LVAD).
    • To determine the suitability of Hexsyn for short-term blood pump applications.

    Main Methods:

    • Compression molding of a trileaflet valve using Hexsyn rubber.

    Related Experiment Videos

  • Integration of a pair of Hexsyn valves into a left ventricular assist device (LVAD).
  • In vitro and in vivo testing of the LVAD over a three-week period.

    • Main Results:

    • The Hexsyn trileaflet valves demonstrated satisfactory hemodynamic performance within the LVAD.
    • Excellent blood compatibility was observed during the three-week in vivo experiment.
    • Hexsyn facilitated the high-quality fabrication of complex valve components with ease.

    Conclusions:

    • Hexsyn rubber is a suitable material for temporary blood pump valves.
    • The Hexsyn trileaflet valve shows potential for cost-effective blood pump solutions.
    • The material's properties support its use in short-term cardiovascular support devices.