K172533 is an FDA 510(k) clearance for the GM Implant Tubes, Length Cutting Gauge. Classified as System, Applicator, Radionuclide, Remote-controlled (product code JAQ), Class II - Special Controls.
Submitted by Varian Medical Systems, Inc. (Palo Alto, US). The FDA issued a Cleared decision on October 22, 2018 after a review of 426 days - an unusually long review period, suggesting complex equivalence evaluation.
This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.5700 - 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: High-complexity regulatory submission. Elevated predicate reliance profile. The extended review timeline suggests the FDA required additional documentation before confirming substantial equivalence - a pattern common in complex or first-of-kind Radiology submissions.
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