Cleared Traditional

K982821 - MMS THERPACPLUS B3DTUI MODEL NUMBER 6.7 (FDA 510(k) Clearance)

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

K982821 · Multimedia Medical Systems, Inc. · Radiology device
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Nov 1998
Decision
86d
Days
Class 2
Risk

K982821 is an FDA 510(k) clearance for the MMS THERPACPLUS B3DTUI MODEL NUMBER 6.7. Classified as System, Planning, Radiation Therapy Treatment (product code MUJ), Class II - Special Controls.

Submitted by Multimedia Medical Systems, Inc. (Charlottesville, US). The FDA issued a Cleared decision on November 5, 1998 after a review of 86 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 Multimedia Medical Systems, Inc. devices

Submission Details

510(k) Number K982821 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 11, 1998
Decision Date November 05, 1998
Days to Decision 86 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
21d faster than avg
Panel avg: 107d · This submission: 86d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code MUJ System, Planning, Radiation Therapy Treatment
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 - MUJ System, Planning, Radiation Therapy Treatment

All 251
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