A totally implantable replacement heart system comprises a blood pump, energy converter, heart rate control computer and an energy storage unit. The blood pump is a four-chambered unit having two reservoirs or atria with two large valves forming the inflow to the pumping chambers or ventricles, and tricuspid pulmonary and aortic valves. The artificial heart has been designed to adapt to different types of internal power systems (electrical, nuclear, or pneumatic).
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