K771721 is an FDA 510(k) clearance for the BARBITAL BUFFER.
Submitted by Sigma Chemical Co. (Mchenry, US). The FDA issued a Cleared decision on October 18, 1977 after a review of 35 days - a notably fast clearance cycle.
This device falls under the Chemistry FDA review panel. 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.
View all Sigma Chemical Co. devices