K840656 is an FDA 510(k) clearance for the ENTERNAL Y EXTENSION SET RECORDER. Classified as Tubes, Gastrointestinal (and Accessories) (product code KNT), Class II - Special Controls.
Submitted by Corpak Medsystems (Buffalo Grove, US). The FDA issued a Cleared decision on April 4, 1984 after a review of 49 days - a notably fast clearance cycle.
This device falls under the Gastroenterology & Urology FDA review panel, regulated under 21 CFR 876.5980 - the FDA gastroenterology and urology 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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