Patent ID: 6470219
Filing Date: 2002-10-22
Classification: A61B,A61N

Abstract:
A device for use with a source of radio frequency energy and a source of cooling liquid for remodeling a treatment site within a female patient's urinary tract including a urethra and a bladder having a bladder neck outlet, the device comprising:an elongate tubular shaft having proximal and distal ends; an expandable member mounted adjacent to the distal end of the shaft, the expandable member having an expanded state when disposed within the bladder so that the expandable member engages the bladder neck outlet; a plurality of needle electrodes disposed within the shaft at a predetermined distance proximally of the expandable member, the plurality of needle electrodes adapted to be coupled to the source of RF energy and being selectively deployable from within the shaft at a treatment site defined in cooperation with the expandable member; a handle mounted on the proximal end of the shaft; and means carried by the handle and adapted to be coupled to the source of cooling liquid for supplying cooling liquid in the vicinity of the plurality of needle electrodes.