KMID : 0372919870080020161
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Journal of Biomedical Engineering Research 1987 Volume.8 No. 2 p.161 ~ p.169
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Development of the Rolling-cylinder Type Motor-driven Total Artificial Heart System
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Abstract
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new type of motor-driven total artificial heart system with a rolloing-cylinder mechanism has been developed. The prototype system consists of a brushless DC motor inside of a rolling-cylinder, two arc shaped pusher-plate s, and two ventricles of smooth, seamless polyurethane sacs. The motor-driven pump has the advantages of being portable and quiet compared to the present air-driven pump. It can also be controlled more accurately. This rolling-cylinder type electromechanical pump has several structural advantages including small size and weight, as compared to other research groups¡¯¡¯¡¯¡¯ motor-driven pumps. The results of mock circulation tests confirm sufficient pump output capacity(cardiac output . 9 L/min, at aortic pressure¡¯¡¯¡¯¡¯120mmHg, with heart rate . 120 BPM) for animal implantation of our prototype system.
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KEYWORD
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