K982127 is an FDA 510(k) clearance for the POROUS MEDIA DEF25 DISPOSABLE RESPIRATORY FILTER. Classified as Filter, Bacterial, Breathing-circuit (product code CAH), Class II - Special Controls.
Submitted by Porous Media Corp. (St. Paul, US). The FDA issued a Cleared decision on June 23, 1998 after a review of 6 days - a notably fast clearance cycle.
This device falls under the General Hospital FDA review panel, regulated under 21 CFR 868.5260 - the FDA general hospital 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. Low regulatory complexity profile. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.