Cleared Traditional

K953391 - TREATMENT MANAGEMENT SYSTEM (FDA 510(k) Clearance)

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

K953391 · Siemens Medical Solutions USA, Inc. · Radiology device
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Mar 1996
Decision
232d
Days
Class 2
Risk

K953391 is an FDA 510(k) clearance for the TREATMENT MANAGEMENT SYSTEM. Classified as System, Radiation Therapy, Charged-particle, Medical (product code LHN), Class II - Special Controls.

Submitted by Siemens Medical Solutions USA, Inc. (Concord, US). The FDA issued a Cleared decision on March 7, 1996 after a review of 232 days - an extended review cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.5050 - 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 Siemens Medical Solutions USA, Inc. devices

Submission Details

510(k) Number K953391 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 19, 1995
Decision Date March 07, 1996
Days to Decision 232 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
125d slower than avg
Panel avg: 107d · This submission: 232d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code LHN System, Radiation Therapy, Charged-particle, Medical
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.5050
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 - LHN System, Radiation Therapy, Charged-particle, Medical

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