Cleared Traditional

K852509 - QCT-BONE MINERAL PHANTOM (FDA 510(k) Clearance)

Class II Radiology device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

K852509 · Image Analysis, Inc. · Radiology device
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Oct 1985
Decision
128d
Days
Class 2
Risk

K852509 is an FDA 510(k) clearance for the QCT-BONE MINERAL PHANTOM. Classified as Densitometer, Bone (product code KGI), Class II - Special Controls.

Submitted by Image Analysis, Inc. (Irvine, US). The FDA issued a Cleared decision on October 18, 1985 after a review of 128 days - within the typical 510(k) review window.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.1170 - 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: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Radiology review framework, consistent with the majority of Class II 510(k) submissions.

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Submission Details

510(k) Number K852509 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 12, 1985
Decision Date October 18, 1985
Days to Decision 128 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
21d slower than avg
Panel avg: 107d · This submission: 128d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code KGI Densitometer, Bone
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.1170
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most Radiology devices follow this clearance model.