Cleared Traditional

K852023 - CESIUM 137 SOURCE

K852023 is an FDA 510(k) clearance for CESIUM 137 SOURCE, manufactured by Syncor Intl. Corp.. The device is a Class 2 Radiology device with product code KXK cleared through the Traditional 510(k) pathway after a 105-day FDA review.

K852023 · Syncor Intl. Corp. · Radiology device
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Aug 1985
Decision
105d
Days
Class 2
Risk

K852023 is an FDA 510(k) clearance for the CESIUM 137 SOURCE, CSM-4, CSM-11, CSM-41. Classified as Source, Brachytherapy, Radionuclide (product code KXK), Class II - Special Controls.

Submitted by Syncor Intl. Corp. (Sylmar, US). The FDA issued a Cleared decision on August 21, 1985 after a review of 105 days - within the typical 510(k) review window.

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 Syncor Intl. Corp. devices

FDA 510(k) Submission Details - K852023

510(k) Number K852023 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 08, 1985
Decision Date August 21, 1985
Days to Decision 105 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
2d faster than avg
Panel avg: 107d · This submission: 105d
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 31
Devices cleared under the same product code (KXK) and FDA review panel - the closest regulatory comparables to K852023.
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
CS137 SEALED SOURCES
K850434 · Syncor Intl. Corp. · Mar 1985
3M I-125 SEEDS IN ABSORBABLE CARRIER
K801748 · 3M Company · Dec 1980