#$%^&*AU2012213929B220150820.pdf#####ABSTRACT A catheter adapted for simultaneous tissue contact with two opposing ring electrodes carried on a generally linear portion of an electrode assembly is adapted to straddle an ostium for ablating two lesions along a chord of the ostium, wherein the generally linear portion is stabilized on the ostium to ensure proper tissue contact when a force is applied down the length of the catheter body.1/9 1/9 0D0
