Cleared Traditional

K133191 - PROBEAM PROTON THERAPY SYSTEM

K133191 is an FDA 510(k) clearance for PROBEAM PROTON THERAPY SYSTEM, manufactured by Varian Medical Systems. The device is a Class 2 Radiology device with product code LHN cleared through the Traditional 510(k) pathway after a 85-day FDA review.

K133191 · Varian Medical Systems · Radiology device
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Jan 2014
Decision
85d
Days
Class 2
Risk

K133191 is an FDA 510(k) clearance for the PROBEAM PROTON THERAPY SYSTEM. Classified as System, Radiation Therapy, Charged-particle, Medical (product code LHN), Class II - Special Controls.

Submitted by Varian Medical Systems (Palo Alto, US). The FDA issued a Cleared decision on January 10, 2014 after a review of 85 days - a notably fast clearance 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: 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 Varian Medical Systems devices

FDA 510(k) Submission Details - K133191

510(k) Number K133191 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 17, 2013
Decision Date January 10, 2014
Days to Decision 85 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
22d faster than avg
Panel avg: 107d · This submission: 85d
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 67
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