K910721 is an FDA 510(k) clearance for the BIOTROL PROTEIN MULTILEVEL STANDARDS. Classified as Calibrator, Primary (product code JIS), Class II - Special Controls.
Submitted by Biotrol, USA, Inc. (Westchester, US). The FDA issued a Cleared decision on May 6, 1991 after a review of 75 days - a notably fast clearance cycle.
This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.1150 - the FDA in vitro diagnostics and chemistry 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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