Devices, systems and methods facilitate positioning of a cardiac valve annulus treatment device, thus enhancing treatment of the annulus. Methods generally involve advancing an anchor delivery device through vasculature of the patient to a location in the heart for treating the valve annulus, contacting...http://www.google.ca/patents/US20100082098?utm_source=gb-gplus-sharePatent US20100082098 - DELIVERY DEVICES AND METHODS FOR HEART VALVE REPAIR