Cleared Special

K991661 - SIEMENS MEDICAL INFORMATION BUS (MIB) PROTOCOL CONVERTER (FDA 510(k) Clearance)

Class II Anesthesiology device cleared through the Special 510(k) pathway - typically does not require clinical trials.

K991661 · Siemens Medical Solutions USA, Inc. · Anesthesiology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
May 1999
Decision
14d
Days
Class 2
Risk

K991661 is an FDA 510(k) clearance for the SIEMENS MEDICAL INFORMATION BUS (MIB) PROTOCOL CONVERTER. Classified as Oximeter (product code DQA), Class II - Special Controls.

Submitted by Siemens Medical Solutions USA, Inc. (Danvers, US). The FDA issued a Cleared decision on May 28, 1999 after a review of 14 days - a notably fast clearance cycle.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 870.2700 - the FDA anesthesiology and respiratory device framework. As a Special 510(k), this submission covers a manufacturer modification to an existing cleared device rather than a new device introduction.

Device pattern: Iterative device modification. Low regulatory complexity profile. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.

View all Siemens Medical Solutions USA, Inc. devices

Submission Details

510(k) Number K991661 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 14, 1999
Decision Date May 28, 1999
Days to Decision 14 days
Submission Type Special
Review Panel Anesthesiology (AN)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
125d faster than avg
Panel avg: 139d · This submission: 14d
Pathway characteristics
Modification to existing cleared device.

Device Classification

Product Code DQA Oximeter
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.2700
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 Anesthesiology devices follow this clearance model.

Regulatory Peers - DQA Oximeter

All 723
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