The U.S. FDA’s concerns about the 510(k) program over the past decade-plus are practically the stuff of regulatory urban legend, but the agency has just unveiled a trio of draft guidances to address some of those concerns. Perhaps the most significant of these is a draft guidance for selection of a predicate device for a 510(k) filing, a document that may come across to industry as little more than an attempt to limit the devices that a manufacturer can recite in a 510(k) filing.