#$%^&*AU2011250824B220140612.pdf#####METHOD AND APPARATUS FOR VASCULAR TISSUE SEALING WITH REDUCED ENERGY CONSUMPTION Abstract An end effector assembly (10) for use with an electrosurgical instrument is provided. The end effector assembly (10) includes a pair of opposing jaw members (110, 120) configured to grasp tissue therebetween. Each of the opposing jaw members (110, 120) includes a non conducting tissue contact surface (303) and an energy delivering element (305) configured to perforate the tissue to create an opening, extract elastin and collagen from the tissue and denaturize the elastin and the collagen in the vicinity of the opening. 5760203-1:hxa1/5 C CD c~co