NexRay raises $21 million

The allure of high-tech cardiac imaging has proved strong enough to entice venture capitalists to invest $21 million in NexRay, developers of a low-dose x-ray fluoroscopy system. The fledgling product, which uses a proprietary technology called Scanning-Beam Digital X-ray, promises to deliver 3-D imaging applicable to the interventional cardiology market. NexRay, formerly Cardiac Mariners, promises improved image quality and up to 90% reduction in radiation exposure to the patient and staff.