Cleared Traditional

C-QUEST (K082581) - FDA 510(k) Clearance

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

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Nov 2008
Decision
70d
Days
Class 2
Risk

K082581 is an FDA 510(k) clearance for the C-QUEST. Classified as System, Tomography, Computed, Emission (product code KPS), Class II - Special Controls.

Submitted by Medx, Inc. (Claremont, US). The FDA issued a Cleared decision on November 14, 2008 after a review of 70 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 Medx, Inc. devices

Submission Details

510(k) Number K082581 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 05, 2008
Decision Date November 14, 2008
Days to Decision 70 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
37d faster than avg
Panel avg: 107d · This submission: 70d
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 172
Devices cleared under the same product code (KPS) and FDA review panel - the closest regulatory comparables to K082581.
AUTOSPECT
K090403 · Philips Medical Systems (Cleveland), Inc. · Mar 2009
BIOGRAPH 16 TRUE POINT SYSTEMS
K083852 · Siemens Medical Solutions USA, Inc. · Mar 2009
SYMBIA, VERSION 4.0
K082506 · Siemens Medical Solutions USA, Inc. · Nov 2008
BIOGRAPH HD FAMILY
K081453 · Siemens Medical Solutions USA, Inc. · Jun 2008
NEXSTAR LIFTOFF PET APPLICATION SOFTWARE SUITE
K081426 · Philips Medical Systems (Cleveland), Inc. · Jun 2008
GEMINI CONDOR
K081135 · Philips Medical Systems (Cleveland), Inc. · Apr 2008