Cleared Traditional

K972614 - TWISTER OXYGEN CONCENTRATOR MODEL 600, TWISTER OXYGEN CONCENTRATOR W/OPI MODEL 605 (FDA 510(k) Clearance)

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

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Jan 1998
Decision
190d
Days
Class 2
Risk

K972614 is an FDA 510(k) clearance for the TWISTER OXYGEN CONCENTRATOR MODEL 600, TWISTER OXYGEN CONCENTRATOR W/OPI MODE.... Classified as Generator, Oxygen, Portable within the CAW classification (a category for home-use oxygen therapy and respiratory devices), Class II - Special Controls.

Submitted by Healthdyne Technologies, Inc. (Marietta, US). The FDA issued a Cleared decision on January 20, 1998 after a review of 190 days - an extended review cycle.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.5440 - the FDA anesthesiology and respiratory 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 Anesthesiology review framework, consistent with the majority of Class II 510(k) submissions.

View all Healthdyne Technologies, Inc. devices

Submission Details

510(k) Number K972614 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 14, 1997
Decision Date January 20, 1998
Days to Decision 190 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
51d slower than avg
Panel avg: 139d · This submission: 190d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code CAW Generator, Oxygen, Portable
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.5440
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 - CAW Generator, Oxygen, Portable

All 284
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