K183691 is an FDA 510(k) clearance for the PENTAX Medical ENT Video Imaging System. Classified as Nasopharyngoscope (flexible Or Rigid) (product code EOB), Class II - Special Controls.
Submitted by Pentax of America, Inc. (Montvale, US). The FDA issued a Cleared decision on June 12, 2019 after a review of 163 days - an extended review cycle.
This device falls under the Ear, Nose, Throat FDA review panel, regulated under 21 CFR 874.4760 - 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.