Cleared Traditional

K924261 - RADIOACTIVE CESIUM-131 SEEDS/SOURCES

K924261 is an FDA 510(k) clearance for RADIOACTIVE CESIUM-131 SEEDS/SOURCES, manufactured by Best Industries. The device is a Class 2 Radiology device with product code KXK cleared through the Traditional 510(k) pathway after a 284-day FDA review.

K924261 · Best Industries · Radiology device
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Jun 1993
Decision
284d
Days
Class 2
Risk

K924261 is an FDA 510(k) clearance for the RADIOACTIVE CESIUM-131 SEEDS/SOURCES. Classified as Source, Brachytherapy, Radionuclide (product code KXK), Class II - Special Controls.

Submitted by Best Industries (Springfield, US). The FDA issued a Cleared decision on June 4, 1993 after a review of 284 days - an extended review cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.5730 - 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 Best Industries devices

FDA 510(k) Submission Details - K924261

510(k) Number K924261 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 24, 1992
Decision Date June 04, 1993
Days to Decision 284 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
177d slower than avg
Panel avg: 107d · This submission: 284d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

KXK Device Classification - Class 2, Special Controls

Product Code KXK Source, Brachytherapy, Radionuclide
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.5730
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 - KXK Source, Brachytherapy, Radionuclide

All 107
Devices cleared under the same product code (KXK) and FDA review panel - the closest regulatory comparables to K924261.
NORTH AMERICAN SCIENTIFIC (NASI) I-125 RADIONUCLIDE BRACHYTHERAPY SOURCE- MODEL MED 3631-A
K972271 · Ml Strategies, Inc. · Oct 1997
NORTH AMERICAN SCIENTIFIC (NASI) 1-125 RADIONUCLIDE BRACHYTHERAPY SOURCE
K964647 · North American Scientific, Inc. · Feb 1997
RADIONUCLIDE CATHETERS, RNC-A, RNC-G, RNC-U
K923697 · Radionics, Inc. · Dec 1993
MANAN PROSTATE SEEDING NEEDLE
K902622 · Manan Medical Products, Inc. · Aug 1990
CESIUM 137 ENDOMETRIAL SOURCE
K850433 · Syncor Intl. Corp. · Aug 1985
CESIUM 137 SOURCE, CSM-4, CSM-11, CSM-41
K852023 · Syncor Intl. Corp. · Aug 1985