Cleared Traditional

K953391 - TREATMENT MANAGEMENT SYSTEM

K953391 is an FDA 510(k) clearance for TREATMENT MANAGEMENT SYSTEM, manufactured by Siemens Medical Solutions USA, Inc.. The device is a Class 2 Radiology device with product code LHN cleared through the Traditional 510(k) pathway after a 232-day FDA review.

K953391 · Siemens Medical Solutions USA, Inc. · Radiology device
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Optimized for regulatory review, auditing and printing
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

FDA 510(k) Submission Details - K953391

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
Combination Product No
PCCP Authorized No
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.

LHN Device Classification - Class 2, Special Controls

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

All 74
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