#$%^&*AU2008202845B220131017.pdf#####ABSTRACT BROADBAND MICROWAVE APPLICATOR A microwave ablation probe (12) for providing microwave energy to tissue is disclosed. The microwave ablation probe (12) includes a feedline (26) having an inner conductor (20), an insulating spacer (22) and an outer conductor (24). The microwave ablation probe (12) also includes a radiation portion (30) having an extruded portion of the inner conductor (20) that is centrally disposed therein. The radiation portion (30) also includes one or more conductive disks (40) disposed on the extruded portion of the inner conductor (20) that defines one or more spaces (42) and a dielectric material (44) disposed within the spaces. 1290483-12/2 FIG. 4 2-12 <；-30 22 32 26 24 445 46 FIG. 6 1-12 30 28 34 20-- 1 22 1 4 8 524 4 36 32 46 26 -24 -4 0 FIG. 6
