Methods and apparatus are provided for selective surgical removal of tissue. In one variation, tissue may be ablated, resected, removed, or otherwise remodeled by standard small endoscopic tools delivered into the epidural space through an epidural needle. The sharp tip of the needle in the epidural...http://www.google.fr/patents/US20100094231?utm_source=gb-gplus-shareBrevet US20100094231 - DEVICES AND METHODS FOR TISSUE MODIFICATION
