K935559 is an FDA 510(k) clearance for the HEARING AIDS HB-36M, HB-36MS, HB-36MT, HI-67P, EXCEL-1000. Classified as Hearing Aid, Air-conduction, Prescription (product code ESD), Class I - General Controls.
Submitted by Rockwin Corp. (Dekalb, US). The FDA issued a Cleared decision on January 27, 1994 after a review of 71 days - a notably fast clearance cycle.
This device falls under the Ear, Nose, Throat FDA review panel, regulated under 21 CFR 874.3300 - the FDA ear, nose and throat 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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