Patent ID: 7041101
Filing Date: 2006-05-09
Classification: A61B

Abstract:
1. Apparatus for carrying out an electrosurgical cutting procedure interstitially at the site of a target tissue volume of given size situate in juxtaposition with healthy tissue, comprising: a cannula assembly having an outer surface and extending along an axis from a proximal end to a forward region; an electrosurgical cutting assembly mounted at said cannula assembly forward region, said cutting assembly supporting a cutting arc effecting the generation of elevated temperature fluid when electrosurgically energized; an intake port at said forward region located to collect at least a portion of said elevated temperature fluid; a transfer channel in fluid transfer relationship with said intake port and extending therefrom along said cannula assembly to an evacuation outlet through which said elevated temperature fluid is expressible, said transfer channel being in heat transfer isolation from said cannula assembly outer surface; and a support coupled with said cannula assembly.