K991150 is an FDA 510(k) clearance for the NELLCOR PURITAN BENNETT, GOODKNIGHT 418G. Classified as Ventilator, Non-continuous (respirator) (product code BZD), Class II - Special Controls.
Submitted by Nellcor Puritan Bennett France Dvpt. (Villers-Les-Nancy Cedex, FR). The FDA issued a Cleared decision on April 14, 1999 after a review of 8 days - a notably fast clearance cycle.
This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.5905 - the FDA anesthesiology and respiratory 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.