Cleared Traditional

SNAC (SIEMENS NUCLEAR ACQUISITION COMPUTER) (K942116) - FDA 510(k) Clearance

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

K942116 · Siemens Corp. · Radiology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jul 1994
Decision
87d
Days
Class 2
Risk

K942116 is an FDA 510(k) clearance for the SNAC (SIEMENS NUCLEAR ACQUISITION COMPUTER). Classified as System, Tomography, Computed, Emission (product code KPS), Class II - Special Controls.

Submitted by Siemens Corp. (Hoffman Estates, US). The FDA issued a Cleared decision on July 29, 1994 after a review of 87 days - a notably fast clearance cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.1200 - 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 Siemens Corp. devices

Submission Details

510(k) Number K942116 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 03, 1994
Decision Date July 29, 1994
Days to Decision 87 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
20d faster than avg
Panel avg: 107d · This submission: 87d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code KPS System, Tomography, Computed, Emission
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.1200
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 - KPS System, Tomography, Computed, Emission

All 178
Devices cleared under the same product code (KPS) and FDA review panel - the closest regulatory comparables to K942116.
ADVANCE ANALYSIS SOFTWARE
K941223 · General Electric Co. · Nov 1994
PATLAK & FDG AUTORADIOGRAPHIC
K936001 · GE Medical Systems · Sep 1994
PHOENIX NUCLEAR MEDICINE PROCESSING COMPUTER
K942146 · Siemens Medical Solutions USA, Inc. · Sep 1994
QUANTITATIVE HEART
K940236 · Siemens Medical Solutions USA, Inc. · May 1994
MAGELLAN
K940300 · GE Medical Systems · Mar 1994
GCA-7200A
K931297 · Toshiba America Medical Systems, In.C · Jul 1993