Cleared Traditional

K191645 - SKR 4000 (FDA 510(k) Clearance)

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

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Aug 2019
Decision
58d
Days
Class 2
Risk

K191645 is an FDA 510(k) clearance for the SKR 4000. Classified as Solid State X-ray Imager (flat Panel/digital Imager) (product code MQB), Class II - Special Controls.

Submitted by Konica Minolta, Inc. (Hino-Shi, JP). The FDA issued a Cleared decision on August 16, 2019 after a review of 58 days - a notably fast clearance cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.1680 - 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.

View all Konica Minolta, Inc. devices

Submission Details

510(k) Number K191645 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 19, 2019
Decision Date August 16, 2019
Days to Decision 58 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
49d faster than avg
Panel avg: 107d · This submission: 58d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code MQB Solid State X-ray Imager (flat Panel/digital Imager)
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.1680
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 - MQB Solid State X-ray Imager (flat Panel/digital Imager)

All 420
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