K051522 is an FDA 510(k) clearance for the SILBRONCHO DOUBLE LUMEN TUBE. Classified as Tube, Tracheal/bronchial, Differential Ventilation (w/wo Connector) (product code CBI), Class II - Special Controls.
Submitted by Fuji Systems Corp. (Mccordsville, US). The FDA issued a Cleared decision on August 17, 2005 after a review of 70 days - a notably fast clearance cycle.
This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.5740 - the FDA anesthesiology and respiratory device framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.
Device pattern: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.
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