Cleared Traditional

SIENET COSMOS (K033831) - FDA 510(k) Clearance

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

K033831 · Siemens AG Medical Solutions · Radiology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Dec 2003
Decision
9d
Days
Class 2
Risk

K033831 is an FDA 510(k) clearance for the SIENET COSMOS. Classified as System, Image Processing, Radiological within the LLZ classification (a category encompassing advanced image processing and PACS-adjacent software), Class II - Special Controls.

Submitted by Siemens AG Medical Solutions (Eriangen, DE). The FDA issued a Cleared decision on December 19, 2003 after a review of 9 days - a notably fast clearance cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.2050 - 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: Incremental AI imaging tool. Moderate equivalence dependency. Overall, this clearance reflects a predicate-aligned approval typical of modern AI radiology extensions - not a novel clinical breakthrough, but a validated iteration within an established regulatory category.

View all Siemens AG Medical Solutions devices

Submission Details

510(k) Number K033831 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received December 10, 2003
Decision Date December 19, 2003
Days to Decision 9 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary Summary PDF
Third-party Review Yes - reviewed by an FDA-accredited third party
Regulatory Context
Review time vs. panel average
98d faster than avg
Panel avg: 107d · This submission: 9d
Pathway characteristics
Predicate-based equivalence. No clinical trials required. Third-party reviewed.

Device Classification

Product Code LLZ System, Image Processing, Radiological
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.2050
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 - LLZ System, Image Processing, Radiological

All 730
Devices cleared under the same product code (LLZ) and FDA review panel - the closest regulatory comparables to K033831.
X-LEONARDO
K042995 · Siemens Medical Solutions USA, Inc. · Nov 2004
LEONARDO SYNGO CARDIOLOGY WORKSTATION
K042203 · Siemens Medical Solutions USA, Inc. · Sep 2004
UNDECIDED
K041484 · Siemens Medical Solutions USA, Inc. · Jul 2004
CONSULTIVA CASE INPUT STATION, MODEL CIS-1
K031132 · Eastman Kodak Company · Nov 2003
KODAK DIRECTVIEW PACS/IMAGE MANAGEMENT SYSTEM, KODAK DIRECTVIEW WORKFLOW MANAGER,KODAK DIRECTVIEW CX/DX, KODAK DIRECTVIB
K030781 · Eastman Kodak Company · May 2003
SYNGO COLONOGRAPHY SOFTWARE PACKAGE
K030982 · Siemens Medical Solutions USA, Inc. · Apr 2003