K810900 is an FDA 510(k) clearance for the CASTLE PROCEDURE AND RITTER EXAM. TABLES. Classified as Table, Examination, Medical, Powered (product code LGX), Class I - General Controls.
Submitted by Sybron Corp. (Mchenry, US). The FDA issued a Cleared decision on April 21, 1981 after a review of 18 days - a notably fast clearance cycle.
This device falls under the General Hospital FDA review panel, regulated under 21 CFR 878.4960 - the FDA general hospital 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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