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  • Title: Permanent circulatory support systems at the Pennsylvania State University.
    Author: Weiss WJ, Rosenberg G, Snyder AJ, Cleary TJ, Gaumond RP, Geselowitz DB, Pierce WS.
    Journal: IEEE Trans Biomed Eng; 1990 Feb; 37(2):138-45. PubMed ID: 2312138.
    Abstract:
    Permanent circulatory support systems are required for patients in whom myocardial damage is irreversible and cardiac transplantation is not possible. Two systems are described which provide long term circulatory support: the left ventricular assist system and the total artificial heart. These systems are based on the design of a pusher plate actuated blood pump, driven by a small brushless dc electric motor and rollerscrew driver. An implantable motor controller maintains suitable physiologic flow rates for both systems and controls left-right balance in the total artificial heart. Other parts of the system include an intra-thoracic compliance chamber, transcutaneous energy and data transmission system, and internal and external batteries.
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