Cleared Traditional

MRT-50A/150A SOFTWARE UPGRADE V12.0/12.1 (K961238) - FDA 510(k) Clearance

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

K961238 · Toshiba America Mri, Inc. · Radiology device
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Jun 1996
Decision
88d
Days
Class 2
Risk

K961238 is an FDA 510(k) clearance for the MRT-50A/150A SOFTWARE UPGRADE V12.0/12.1. Classified as System, Nuclear Magnetic Resonance Imaging (product code LNH), Class II - Special Controls.

Submitted by Toshiba America Mri, Inc. (S. San Francisco, US). The FDA issued a Cleared decision on June 28, 1996 after a review of 88 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 Toshiba America Mri, Inc. devices

Submission Details

510(k) Number K961238 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 01, 1996
Decision Date June 28, 1996
Days to Decision 88 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
19d faster than avg
Panel avg: 107d · This submission: 88d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

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 485
Devices cleared under the same product code (LNH) and FDA review panel - the closest regulatory comparables to K961238.
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KINEMATIC KNEE DEVICE/MAGNETOM OPEN SYSTEM
K961121 · Siemens Medical Solutions USA, Inc. · Jun 1996
VISART
K961092 · Toshiba America Medical Systems, In.C · Jun 1996
MR GUIDED PROCEDURES PACKAGE/MAGNETOM OPEN SYSTEM
K955389 · Siemens Medical Solutions USA, Inc. · Jun 1996