A method of treating heart failure is disclosed in which, without removing the damaged heart, implantation of prosthetic blood-pumping means within the natural heart sustains its function. The invention includes electrically-powered positive displacement pumps, muscle-powered pumps, and electrically-powered...http://www.google.es/patents/US5092879?utm_source=gb-gplus-sharePatente US5092879 - Intraventricular artificial hearts and methods of their surgical implantation and use
Intraventricular artificial hearts and methods of their surgical ...
