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Novosibirsk scientists have created an artificial heart based on a disk pump

Scientists of the National Research Medical Centre named after academician E.N. Meshalkin (Meshalkin Clinic, NRMC) have created the first Russian disk pump, which will reduce the risk of contact of blood with the parts of the pump in the future, informed Alexander Chernyavsky, the head of the Centre for surgery of the aorta, coronary and peripheral arteries at NRMC.
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«The pump we have developed is fundamentally different from those currently used in transplantology. We use a different rotor; not blades, but a package of discs that pump blood during rotation thanks to the friction of fluid. We hope that our pump will help conserve blood during pump’s work in a human body, since red blood cells themselves do not come in contact with the discs,» said Alexander Chernyavsky.

The pump allows to pump about 5 or 6 litres of liquid for 2000−2500 revolutions, explained Chernyavsky. The scientists estimate that the pump they have developed will theoretically increase the working time of an artificial heart, which for now does not exceed 9 hours.

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