Cleared Traditional

K915552 - INSTRUMENTARIUM MEGA4

K915552 is an FDA 510(k) clearance for INSTRUMENTARIUM MEGA4, manufactured by Instrumentarium Imaging, Inc.. The device is a Class 2 Radiology device with product code LNH cleared through the Traditional 510(k) pathway after a 78-day FDA review.

K915552 · Instrumentarium Imaging, Inc. · Radiology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Feb 1992
Decision
78d
Days
Class 2
Risk

K915552 is an FDA 510(k) clearance for the INSTRUMENTARIUM MEGA4. Classified as System, Nuclear Magnetic Resonance Imaging (product code LNH), Class II - Special Controls.

Submitted by Instrumentarium Imaging, Inc. (Milwaukee, US). The FDA issued a Cleared decision on February 27, 1992 after a review of 78 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. 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 Instrumentarium Imaging, Inc. devices

FDA 510(k) Submission Details - K915552

510(k) Number K915552 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received December 11, 1991
Decision Date February 27, 1992
Days to Decision 78 days
Submission Type Traditional
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
29d faster than avg
Panel avg: 107d · This submission: 78d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

LNH Device Classification - Class 2, Special Controls

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.

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All 840
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