Cleared Traditional

K071794 - 15M MONOCHROME DIGITAL MAMMOGRAPHY LCD MONITOR MDL2123A (MS51I2) (FDA 510(k) Clearance)

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

K071794 · Totoku Electric Co., Ltd. · Radiology device
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Feb 2008
Decision
224d
Days
Class 2
Risk

K071794 is an FDA 510(k) clearance for the 15M MONOCHROME DIGITAL MAMMOGRAPHY LCD MONITOR MDL2123A (MS51I2). 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 Totoku Electric Co., Ltd. (Nagano, JP). The FDA issued a Cleared decision on February 11, 2008 after a review of 224 days - an extended review 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-to-high 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.

View all Totoku Electric Co., Ltd. devices

Submission Details

510(k) Number K071794 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 02, 2007
Decision Date February 11, 2008
Days to Decision 224 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
117d slower than avg
Panel avg: 107d · This submission: 224d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

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 Peers - LLZ System, Image Processing, Radiological

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