K840275 is an FDA 510(k) clearance for the CEHPALOMETRIC HEAD POSITIONER. Classified as Cone, Radiographic, Lead-lined (product code EAH), Class I - General Controls.
Submitted by Gary E. Hall, Dds. The FDA issued a Cleared decision on March 16, 1984 after a review of 53 days - a notably fast clearance cycle.
This device falls under the Radiology FDA review panel, regulated under 21 CFR 872.1850 - the FDA radiology and imaging software oversight 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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