A system for improving cardiac function is provided. A foldable and expandable frame having at least one anchoring formation is attached to an elongate manipulator and placed in a catheter tube while folded. The tube is inserted into a left ventricle of a heart where the frame is ejected from the tube...http://www.google.es/patents/US20070213815?utm_source=gb-gplus-sharePatente US20070213815 - System for improving cardiac function