Cleared Traditional

K994231 - SIEMENS INTEGRATED OPERATING SYSTEM (SIOS) (FDA 510(k) Clearance)

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

K994231 · Siemens Medical Corp. · Gastroenterology & Urology device
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Aug 2000
Decision
238d
Days
Class 2
Risk

K994231 is an FDA 510(k) clearance for the SIEMENS INTEGRATED OPERATING SYSTEM (SIOS). Classified as Endoscopic Central Control Unit (product code ODA), Class II - Special Controls.

Submitted by Siemens Medical Corp. (Iselin, US). The FDA issued a Cleared decision on August 10, 2000 after a review of 238 days - an extended review cycle.

This device falls under the Gastroenterology & Urology FDA review panel, regulated under 21 CFR 876.1500 - the FDA gastroenterology and urology device 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 Gastroenterology & Urology review framework, consistent with the majority of Class II 510(k) submissions.

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Submission Details

510(k) Number K994231 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received December 16, 1999
Decision Date August 10, 2000
Days to Decision 238 days
Submission Type Traditional
Review Panel Gastroenterology & Urology (GU)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
108d slower than avg
Panel avg: 130d · This submission: 238d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code ODA Endoscopic Central Control Unit
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 876.1500
Definition To Control Endoscopic And Other Ancillary Surgical Equipment In One Central Location, Either By Remote Control, Touch Screen, Or Voice Command.
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 Gastroenterology & Urology devices follow this clearance model.