Xconomy.com -- Ekos is on a quest to change the way doctors think about how to best dissolve blood clots. Like a lot of bold visions, this hasn’t happened overnight or without some bumps along the way. But even in a very tough year for new medical devices, the Bothell, WA-based ultrasound company has been gradually increasing sales, and has put itself on a trajectory to break even for the first time by the second half of 2010.