K173628 is an FDA 510(k) clearance for the Acclarent ENT Navigation System. Classified as Ear, Nose, And Throat Stereotaxic Instrument (product code PGW), Class II - Special Controls.
Submitted by Acclarent, Inc. (Menlo Park, US). The FDA issued a Cleared decision on March 10, 2018 after a review of 106 days - within the typical 510(k) review window.
This device falls under the Ear, Nose, Throat FDA review panel, regulated under 21 CFR 882.4560 - the FDA ear, nose and throat device framework. As a Special 510(k), this submission covers a manufacturer modification to an existing cleared device rather than a new device introduction.
Device pattern: Iterative device modification. Standard predicate reliance. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.