K210756 is an FDA 510(k) clearance for the Neck Care Therapy, Model: AST-905A, AST-905D, AST-905H. Classified as Stimulator, Nerve, Transcutaneous, Over-the-counter (product code NUH), Class II - Special Controls.
Submitted by Shenzhen Osto Technology Company Limited (Shenzhen, CN). The FDA issued a Cleared decision on June 11, 2021 after a review of 88 days - a notably fast clearance cycle.
This device falls under the Neurology FDA review panel, regulated under 21 CFR 882.5890 - the FDA neurology 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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