Cleared Special

Promaxo MRI System II (K232361) - FDA 510(k) Clearance

Class II Radiology device cleared through the Special 510(k) pathway - typically does not require clinical trials.

K232361 · Promaxo, Inc. · Radiology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Sep 2023
Decision
29d
Days
Class 2
Risk

K232361 is an FDA 510(k) clearance for the Promaxo MRI System II. Classified as System, Nuclear Magnetic Resonance Imaging (product code LNH), Class II - Special Controls.

Submitted by Promaxo, Inc. (Oakland, US). The FDA issued a Cleared decision on September 5, 2023 after a review of 29 days - a notably fast clearance cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.1000 - the FDA radiology and imaging software oversight framework. As a Special 510(k), this submission covers a manufacturer modification to an existing cleared device rather than a new device introduction.

Device pattern: Iterative device modification. Low regulatory complexity profile. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.

View all Promaxo, Inc. devices

Submission Details

510(k) Number K232361 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 07, 2023
Decision Date September 05, 2023
Days to Decision 29 days
Submission Type Special
Review Panel Radiology (RA)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
78d faster than avg
Panel avg: 107d · This submission: 29d
Pathway characteristics
Modification to existing cleared device.

Device Classification

Product Code LNH System, Nuclear Magnetic Resonance Imaging
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.1000
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 - LNH System, Nuclear Magnetic Resonance Imaging

All 498
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