Cleared Traditional

LIQUID SCINTILLATION COUNTER (K790961) - FDA 510(k) Clearance

Class I Chemistry device.

K790961 · Nuclear Ent. , Ltd. · Chemistry device
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Jun 1979
Decision
37d
Days
Class 1
Risk

K790961 is an FDA 510(k) clearance for the LIQUID SCINTILLATION COUNTER. Classified as Counter (beta, Gamma) For Clinical Use (product code JJJ), Class I - General Controls.

Submitted by Nuclear Ent. , Ltd. (Mchenry, US). The FDA issued a Cleared decision on June 28, 1979 after a review of 37 days - a notably fast clearance cycle.

This device falls under the Chemistry FDA review panel, regulated under 21 CFR 862.2320 - the FDA in vitro diagnostics and chemistry 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 Nuclear Ent. , Ltd. devices

Submission Details

510(k) Number K790961 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 22, 1979
Decision Date June 28, 1979
Days to Decision 37 days
Submission Type Traditional
Review Panel Chemistry (CH)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
51d faster than avg
Panel avg: 88d · This submission: 37d
Pathway characteristics
Predicate-based equivalence.

Device Classification

Product Code JJJ Counter (beta, Gamma) For Clinical Use
Device Class Class 1 - General Controls
CFR Regulation 21 CFR 862.2320
What this classification means

Class I devices are subject to general controls only and most are exempt from 510(k) premarket notification. They represent the lowest regulatory burden in the FDA device framework.

Regulatory Peers - JJJ Counter (beta, Gamma) For Clinical Use

All 62
Devices cleared under the same product code (JJJ) and FDA review panel - the closest regulatory comparables to K790961.
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K790905 · Abbott Laboratories · Jun 1979
LIQ. SCINTILLATION SPECTROPHOTOMETEO
K771369 · Beckman Instruments, Inc. · Sep 1977
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K771129 · Abbott Laboratories · Aug 1977