Cleared Traditional

K893518 - MT/S SOFTWARE RELEASE 5.0.

K893518 is an FDA 510(k) clearance for MT/S SOFTWARE RELEASE 5.0., manufactured by Diasonics, Inc.. The device is a Class 2 Radiology device with product code LNH cleared through the Traditional 510(k) pathway after a 172-day FDA review.

K893518 · Diasonics, Inc. · Radiology device
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Oct 1989
Decision
172d
Days
Class 2
Risk

K893518 is an FDA 510(k) clearance for the MT/S SOFTWARE RELEASE 5.0.. Classified as System, Nuclear Magnetic Resonance Imaging (product code LNH), Class II - Special Controls.

Submitted by Diasonics, Inc. (S. San Francisco, US). The FDA issued a Cleared decision on October 27, 1989 after a review of 172 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 Diasonics, Inc. devices

FDA 510(k) Submission Details - K893518

510(k) Number K893518 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 08, 1989
Decision Date October 27, 1989
Days to Decision 172 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
65d slower than avg
Panel avg: 107d · This submission: 172d
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 817
Devices cleared under the same product code (LNH) and FDA review panel - the closest regulatory comparables to K893518.
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