An endovascular tissue removal device including a lumen with a distal steerable tip portion extending from a joint portion, registration means for holding the joint portion fixed in place in the vasculature, and a source of ablation energy in communication with the lumen whereby tissue can be resected...http://www.google.fr/patents/US20070129710?utm_source=gb-gplus-shareBrevet US20070129710 - Endovascular tissue removal device
