A multi-chamber implantable heart stimulation device is provided, adapted to inhibit anodal stimulation at a bipolar right chamber lead induced by a unipolar left chamber lead. The device includes a control unit adapted to provide to the unipolar left chamber lead a pace pulse having a trailing edge...http://www.google.es/patents/US7373202?utm_source=gb-gplus-sharePatente US7373202 - Unipolar and bipolar lead cardiac pacemaker and method for inhibiting anode stimulation
Unipolar and bipolar lead cardiac pacemaker and method for inhibiting anode ...