A medical device and method for percutaneously treating a heart valve. In one embodiment, the medical device includes a catheter having a proximal portion, a distal portion, and a notch formed near the distal portion. A cutting element may be disposed within the distal portion and is moveable across...http://www.google.ca/patents/US7331972?utm_source=gb-gplus-sharePatent US7331972 - Heart valve chord cutter
