Key result
A pump circuit using a reversible rotary gear pump and 4 artificial heart valves achieved a measured flow rate of 0.8-0.75 L/min at a heart rate of 60-110 bpm.
Population
In vitro pump circuit model for an implantable artificial heart
Design
Preclinical
Authors
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May enable compact pulsatile artificial hearts; extends benchtop evidence but leaves open in vivo validation.
A novel reversible rotary gear pump circuit with four artificial valves demonstrated the ability to generate pulsatile flow alternately into systemic and pulmonary circuits in a benchtop model.
Fukunaga et al. (1995) studied this question. Pulsatile total artificial heart using a reversible rotary pump was evaluated on Measured flow rate. A pump circuit using a reversible rotary gear pump and 4 artificial heart valves achieved a measured flow rate of 0.8-0.75 L/min at a heart rate of 60-110 bpm.
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