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A moving-actuator type electromechanical total artificial heart. I. Linear type and mock circulation experiments

By: Kim, J.T.; Kim, J.W.; Lee, S.H.; Kim, H.C.; Kim, I.Y.; Olsen, D.B.; Min, B.G.; Diegel, P.D.; Kim, S.W.;

1990 / IEEE

Description

This item was taken from the IEEE Periodical ' A moving-actuator type electromechanical total artificial heart. I. Linear type and mock circulation experiments ' A novel type of motor-driven total artificial heart system with a moving-actuator mechanism has been developed. The prototype system consists of a brushless DC motor inside a rolling cylinder, two arcshaped pusher plates, and two polyurethane sacs. The moving-actuator-type electromechanical pump has the structural advantages of small size and light weight, as compared to other motor-driven pumps with fixed actuator mechanisms. Results of mock circulation tests with a cardiac output of 9 L/min at an aortic pressure of 120 mm Hg and a heart rate of 120 b/m are reported.<>