Cleared Traditional

K970573 - FLEXART V3.5 SOFTWARE

K970573 is an FDA 510(k) clearance for FLEXART V3.5 SOFTWARE, manufactured by Toshiba America Mri, Inc.. The device is a Class 2 Radiology device with product code LNH cleared through the Traditional 510(k) pathway after a 157-day FDA review.

K970573 · Toshiba America Mri, Inc. · Radiology device
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Optimized for regulatory review, auditing and printing
Jul 1997
Decision
157d
Days
Class 2
Risk

K970573 is an FDA 510(k) clearance for the FLEXART V3.5 SOFTWARE. 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 July 21, 1997 after a review of 157 days - an extended review 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: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Radiology review framework, consistent with the majority of Class II 510(k) submissions.

View all Toshiba America Mri, Inc. devices

FDA 510(k) Submission Details - K970573

510(k) Number K970573 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 14, 1997
Decision Date July 21, 1997
Days to Decision 157 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
50d slower than avg
Panel avg: 107d · This submission: 157d
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.

Regulatory Peers - LNH System, Nuclear Magnetic Resonance Imaging

All 996
Devices cleared under the same product code (LNH) and FDA review panel - the closest regulatory comparables to K970573.
ASSET APOLLO
K971884 · Philips Medical Systems (Cleveland), Inc. · Aug 1997
MAGNETOM PROJECT 047 SYSTEM (NUMARIS 3.5 SOFTWARE)
K971684 · Siemens Medical Solutions USA, Inc. · Aug 1997
SIGNA PROFILE WRIST COIL AND MOBILE SITING OPTIONS
K971668 · GE Medical Systems · Jul 1997
MAGNETIC RESONANC DVCE VISART V 3.5 SOFTWARE
K965068 · Toshiba America Medical Systems, In.C · Jul 1997
VERSION 4 OPERATING SYSTEM SOFTWARE
K971279 · Hitachi Medical Systems America, Inc. · Jul 1997
MEDRAD FLEX INTERFACE DEVICE
K971380 · Medrad, Inc. · Jul 1997