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Related Experiment Videos

[Axial micro-pump system of assisted circulation]

V I Shumakov, V E Tolpekin, A I Khaustov

    Meditsinskaia Tekhnika
    |September 1, 1994
    PubMed
    Summary

    A new 7mm axial-flow micropump for assisted circulation has been developed. This device offers good biocompatibility and a high flow rate of 3.5 L/min for potential aortic implantation.

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    Area of Science:

    • Biomedical Engineering
    • Cardiovascular Devices
    • Medical Device Development

    Context:

    • Minimally invasive cardiac support is crucial for treating heart failure.
    • Existing devices face challenges with size and implantation complexity.
    • The ascending aorta is a potential site for circulatory support device implantation.

    Purpose:

    • To develop a compact axial-flow micropump for assisted circulation.
    • To evaluate the feasibility of peripheral artery introduction into the ascending aorta.
    • To assess the biocompatibility, hemolysis, and performance of the micropump system.

    Summary:

    • A HART-02 axial-flow micropump, measuring 7mm in diameter and 20mm in length, has been engineered.
    • The micropump is designed for insertion into the ascending aorta via a peripheral artery.
    • The system demonstrates excellent biocompatibility, minimal hemolysis, and a significant flow rate of 3.5 L/min.

    Impact:

    • This development offers a promising new option for minimally invasive cardiac assistance.
    • The device's small size and implantation method could reduce surgical risks.
    • High flow productivity suggests potential for effective hemodynamic support in patients with heart failure.

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