Artificial heart——non-pulsatile ventricular assist device with straight impeller vanes

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Research addressing pulsatile impeller pump and impeller total heart, as well as the application of streamlined impeller vanes had made progress, however, until now, the best results in application of artificial heart pumps have been achieved by nonpulsatile univentricular assist pump with straight impeller vanes. It seems that all efforts have been done in vain because artificial heart rejects. This paper recalls some important achievements in research and development of artificial heart in past 25 years and shares author's experiences with the readers.

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