K911731 is an FDA 510(k) clearance for the LEUCOPREP(R) BRAND CELL SEPARAT TUBE W/SODIUM CITR. Classified as Lymphocyte Separation Medium (product code JCF), Class I - General Controls.
Submitted by Bd Becton Dickinson Vacutainer Systems Preanalytic (Franklin Lakes, US). The FDA issued a Cleared decision on December 15, 1992 after a review of 608 days - an unusually long review period, suggesting complex equivalence evaluation.
This device falls under the Hematology FDA review panel, regulated under 21 CFR 864.8500 - the FDA hematology 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: High-complexity regulatory submission. Elevated predicate reliance profile. The extended review timeline suggests the FDA required additional documentation before confirming substantial equivalence - a pattern common in complex or first-of-kind Hematology submissions.
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