This paper presents the acute and surviral animal experiment of left ventricular and biventricular assistance using impeller blood pump. The results show that the centrifugal type artificial heart superior in implantability,blood compatibility and mechanical reliability. The sealing of the impeller motor is discussed. This halps progressing of further animal experiment and also the clinical application of impeller blood pump for patients with cardiogenic shock after acute myocardial infarction ,and for pati...
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