#$%^&*AU2014200106B220150212.pdf#####MICROWAVE TISSUE DISSECTION AND COAGULATION Abstract A surgical instrument (12) comprising a dissecting head assembly (50) including a dielectric core (63) having a substantially planar radiating surface and at least one nonradiating surfaces, a reflective coating (69) disposed on the at least one non-radiating surface of the dielectric core and a blade (68) extending transversly from the radiating surface a tubular member coupled to the dissecting head assembly and a coaxial feedline (55) including an inner conductor (78) and an outer conductor (62) disposed coaxially about the inner conductor. The coaxial feedline extending into the dissecting head assembly through the tubular member.
