#$%^&*AU2017204568B220181004.pdf#####SYSTEMS AND METHODS FOR PROSTATE TREATMENT ABSTRACT 5 A vapor delivery needle is provided that may include any of a number of features. In one embodiment, there is provided a vapor therapy system, comprising: a shaft adapted to be inserted into a male urethra； a vapor delivery needle in the shaft, the needle comprising a vapor exit port； a vapor needle deployment mechanism adapted to o move a tip of the needle generally transverse to the shaft, wherein the vapor needle deployment mechanism cannot move the vapor delivery needle more than 15 mm from the shaft； a vapor source； and a vapor delivery actuator adapted to deliver vapor from the vapor source into the vapor delivery needle and out of the vapor exit port.5/18 A LightSource 140 100 208a 280 212 278 136 120 208a' 208b /11 4a 118 112 105 235 215 218 130 132 115 122 222 *308 315 -305 135 224 306 210 290 B B'220 292 2700 277 275 268 322 302 264 262 Vapor Source 250 Controller 2_55 Aspiration Source 320 FIG. 5 Fluid (Cooling Irrigation) Source 300
