Acquired by BTG PLC in May 2013, Ekos Corporation had engaged in the development and clinical application of microsonic technologies for the treatment of vascular thrombosis. The firm's products include EkoSonic endovascular system with MACH4e for the controlled and selective infusion of physician-specified fluids, including thrombolytics into the peripheral vasculature; and EkoSonic small vessel endovascular system to deliver physician specified fluids to the coronary vasculature, peripheral vasculature, and neuro vasculature. Offering a catheter-based drug delivery system that combines the use of targeted drug delivery catheters and the therapeutic benefits of microsonic energy, the firm serves interventional radiologists, cardiologists, and vascular surgeons