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  • Evolution of a circulatory ...
    Westaby, Stephen

    The British journal of cardiology, 01/2022, Volume: 29, Issue: 3
    Journal Article

    Implantable mechanical circulatory support systems have evolved dramatically over the last 50 years. The objective has been to replace or support the failing left ventricle with a device that pumps six litres of blood each minute, a massive 8,640 litres per day. Noisy cumbersome pulsatile devices have been replaced by smaller silent rotary blood pumps that are much more patient friendly. Nonetheless, the tethering to external components, together with the risks of power line infection, pump thrombosis and stroke, must be addressed before widespread acceptance. Infection predisposes to thromboembolism, so elimination of the percutaneous electric cable has the capacity to transform outcomes, reduce costs and improve quality of life. Developed in the UK, the Calon miniVAD is powered by an innovative coplanar energy transfer system. As such, we consider it can achieve those ambitious objectives.