New Sinusitis Treatment Options: Balloon Sinus Dilation uses a small balloon to dilate and remodel your sinus opening to allow your sinuses to drain and ventilate more effectively. Balloon Sinus Dilation was introduced in 2005 as a convenient, less invasive alternative to sinus surgery. The procedure was most commonly performed in the operating room or surgery centers. In 2011, Medicare and many private insurance companies approved the procedure to be performed in the office. The cost to is reduced by nearly 50% by performing the procedure in the office versus traditional sinus surgery in the hospital!