Medical Devices. Overview. Section 510(k) of the Food, Drug and Cosmetic Act requires device manufacturers who must register, to notify FDA of their intent to market a medical device at least 90 days in advance. This is known as Premarket Notification - also called PMN or 510(k).
Verb. 1. enfilade-rake or be in a position to rake with gunfire in a lengthwise direction. rake-sweep the length of; The gunfire raked the coast. Translations.
A pend is distinct from a vennel or a close, as it has rooms directly above it, whereas vennels and closes tend not to be covered over and are typically passageways between separate buildings. However a 'close' also means a common entry to multi-dwelling tenement properties in Scotland.