A biventricular cardiac prosthesis has a flow balance control system to balance blood flow through the left and right sides of the prosthesis to maintain a patient's left atrial pressure within physiologic bounds. The prosthesis can be configured to have flow characteristics so that a signal representative...http://www.google.com/patents/US6527698?utm_source=gb-gplus-sharePatent US6527698 - Active left-right flow control in a two chamber cardiac prosthesis
