Cleared Traditional

K043146 - HORIZON MEDICAL IMAGING

K043146 is an FDA 510(k) clearance for HORIZON MEDICAL IMAGING, manufactured by Mckesson Medical Imaging Company. The device is a Class 2 Radiology device with product code LLZ cleared through the Traditional 510(k) pathway after a 50-day FDA review.

K043146 · Mckesson Medical Imaging Company · Radiology device
Download Printable Device Report (PDF) Official FDA 510(k) Summary (PDF)
Optimized for regulatory review, auditing and printing
Jan 2005
Decision
50d
Days
Class 2
Risk

K043146 is an FDA 510(k) clearance for the HORIZON MEDICAL IMAGING. Classified as System, Image Processing, Radiological within the LLZ classification (a category encompassing advanced image processing and PACS-adjacent software), Class II - Special Controls.

Submitted by Mckesson Medical Imaging Company (Richmond, B.C., CA). The FDA issued a Cleared decision on January 4, 2005 after a review of 50 days - a notably fast clearance cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.2050 - 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: Incremental AI imaging tool. Moderate equivalence dependency. Overall, this clearance reflects a predicate-aligned approval typical of modern AI radiology extensions - not a novel clinical breakthrough, but a validated iteration within an established regulatory category.

FDA 510(k) Submission Details - K043146

510(k) Number K043146 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 15, 2004
Decision Date January 04, 2005
Days to Decision 50 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary Summary PDF
Third-party Review Yes - reviewed by an FDA-accredited third party
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
57d faster than avg
Panel avg: 107d · This submission: 50d
Pathway characteristics
Predicate-based equivalence. No clinical trials required. Third-party reviewed.

LLZ Device Classification - Class 2, Special Controls

Product Code LLZ System, Image Processing, Radiological
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.2050
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.

Regulatory Consultant

Entela, Inc.
NEIL E DEVINE

The regulatory consultant manages the 510(k) submission process on behalf of the applicant - coordinating technical documentation, predicate strategy and FDA communications. Identifying the consultant behind a submission is a key signal for competitive regulatory intelligence.

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